CN218376940U - Portable bottom suction centrifugal flow submersible pump - Google Patents
Portable bottom suction centrifugal flow submersible pump Download PDFInfo
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- CN218376940U CN218376940U CN202222734799.XU CN202222734799U CN218376940U CN 218376940 U CN218376940 U CN 218376940U CN 202222734799 U CN202222734799 U CN 202222734799U CN 218376940 U CN218376940 U CN 218376940U
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- impeller
- guide vane
- motor
- pump shaft
- vane group
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Abstract
The utility model relates to a portable end inhales centrifugal current immersible pump, guide vane group connects the outer staving in the upper end, and the integration base is connected to the lower extreme, forms thin wall cavity shape solid of revolution, and the water swivel is connected to outer staving upper end, and the motor is coaxial to be set up in outer staving, and the pump shaft axial passes motor center, for the pump chamber that holds the water between motor casing and the outer staving, high-efficient low level centrifugal current formula impeller of pump shaft lower extreme installation, and the filter screen is inhaled at the bottom of impeller below installation straight tube or bent pipe formula, and high-speed impeller suction rivers flow out upwards through the guide vane. The submersible pump has the characteristics of light weight, small volume, large flow and high efficiency, is convenient to move, and the bottom suction type impeller can completely adsorb water with extremely low water level; the bottom is provided with a straight pipe or a bent pipe type detachable bottom suction filter screen, can be used vertically, obliquely or horizontally, can be used independently or in series, is suitable for changeable drainage sites, and has wide application range.
Description
Technical Field
The utility model relates to a immersible pump technical field especially relates to a centrifugal current immersible pump is inhaled at portable end.
Background
The submersible pump is widely applied to occasions such as flood drainage and emergency rescue, agricultural irrigation, construction drainage, pipeline pollution discharge and the like, and pumps water from a low place to a high place.
In recent years, submersible pumps have been developed to be light in weight, small in size and applicable to various applications, and submersible pumps with the same displacement and lift are required to be light, small and convenient to move, and can be preferably changed into various use modes to meet various working scenes.
SUMMERY OF THE UTILITY MODEL
The demand to prior art, the utility model provides a centrifugal current immersible pump is inhaled at portable end, small, light in weight conveniently shifts, and the drainage is efficient, can use and can be totally with the water extraction on ground many occasions.
In order to solve the above technical problem, the utility model discloses have following constitution:
the portable bottom suction centrifugal flow submersible pump comprises a pump shaft, an outer barrel body, a guide vane group, an integrated base, a motor shell, a stator, a rotor, an impeller and a water outlet joint; the outer barrel body, the guide vane group, the integrated base and the motor shell are all thin-wall cavity-shaped revolving bodies, the upper end of the guide vane group is connected with the outer barrel body, the lower end of the guide vane group is connected with the integrated base, and the upper end of the outer barrel body is connected with a water outlet joint; the motor casing is installed on the guide vane group, and coaxial setting is in outer bucket, and the pump shaft axial passes the motor casing center, sets up the bearing between pump shaft upper end and the motor casing. A stator and a rotor of the motor are accommodated in a region between the motor casing and the pump shaft, the pump shaft is connected with the rotor, the stator is arranged outside the rotor, and a cavity between the motor casing and the outer barrel body is a pump cavity for accommodating a water body; the lower part of the pump shaft penetrates through the center of the inner cover oil chamber bearing body, the upper end of the inner cover oil chamber bearing body is connected with the guide vane group and the motor shell, and the inner cover oil chamber bearing body supports the pump shaft through an internal bearing; the lower end of the pump shaft is provided with an impeller, the impeller is arranged in a guide vane group, a plurality of groups of guide vanes are arranged in a cavity of the guide vane group, the impeller blades are positioned below the guide vanes of the guide vane group, the impeller blades and the guide vanes are corresponding and matched in shape, effluent centrifugally flows through the impeller and upwards flows out corresponding to the guide vanes, and the impeller adopts a high-efficiency low-level centrifugal flow type structure; the cable of the motor penetrates through a sealed wire outlet hole on the water outlet connector to be connected with an external variable frequency controller, and the variable frequency controller is connected with commercial power for power supply.
Specifically, the stator and the rotor use a low-speed permanent magnet synchronous variable frequency motor stator winding and a permanent magnet synchronous special motor rotor set, and are provided with a high-frequency variable frequency controller.
The stator can also be used as a stator winding of a three-phase asynchronous motor, can be started by matching with a controller, and can also be directly started.
Optionally, a bottom suction filter screen is detachably mounted below the integrated base, and the bottom suction filter screen can be a straight pipe type or a bent pipe type.
Preferably, the outer barrel body, the guide vane group, the integrated base and the impeller are made of stainless steel.
Furthermore, a mechanical seal and a framework oil seal for sealing the radial clearance of the pump shaft are arranged in the inner cover oil chamber bearing body, the lower end of the inner cover oil chamber bearing body is connected with an oil chamber cover to be used as a cover plate, and engine oil is added into the inner cover oil chamber bearing body. And the lubricating function is realized on the pump shaft.
The water outlet joint adopts a closed inner threading structure.
And the water outlet joint is connected with the leather pipe type joint by using a quick-assembling clamp.
Compared with the prior art, the utility model has the advantages of:
the submersible pump of the utility model has the characteristics of light weight, small volume, large flow and high efficiency, and is convenient to move; the bottom suction type impeller can adsorb water with extremely low water level completely; the bottom is provided with a straight pipe or a bent pipe type detachable bottom suction filter screen, can be used vertically, obliquely or horizontally, can be used independently or in series, is suitable for changeable drainage sites, and has wide application range.
Drawings
The following drawings describe some specific embodiments of the invention by way of example and not by way of limitation. The same reference numbers in the drawings identify the same or similar elements or components.
FIG. 1: the structure chart of the submersible pump of the utility model;
FIG. 2: the utility model discloses a schematic diagram of a single use mode of a submersible pump;
FIG. 3: the utility model discloses a second schematic diagram of a single use mode of the submersible pump;
FIG. 4 is a schematic view of: the utility model discloses a schematic diagram of a serial use mode of a submersible pump;
FIG. 5: the utility model discloses immersible pump series connection using-way two sketch maps.
The symbols in the drawings represent the following meanings:
the pump comprises a pump shaft 1, an outer barrel 2, a guide vane group 3, an integrated base 4, a motor shell 5, a stator 6, a rotor 7, an oil chamber bearing body with an inner cover 8, an oil chamber cover 9, an impeller 10, a bottom suction filter screen 11, a water outlet joint 12, a variable frequency controller 13, a leather hose type joint 14, a hose 15 and a pump cavity A.
Detailed Description
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
As shown in figure 1, the utility model discloses a portable end is inhaled centrifugal current immersible pump is with the solid of revolution structure of taking pump shaft 1 axis as the center, and its main spare part outer barrel body 2, guide vane group 3, integrated base 4, motor casing 5 all are thin wall cavity shape solid of revolution.
The upper end of the guide blade group 3 is connected with the outer barrel body 2, the lower end is connected with the integrated base 4, and the joint is welded or provided with a flange which is connected by a fastener.
The motor casing 5 is installed on the guide vane group 3 and coaxially arranged in the outer barrel body 2, the pump shaft 1 axially penetrates through the center of the motor casing 5, and a bearing is arranged between the upper end of the pump shaft 1 and the motor casing 5. A stator 6 and a rotor 7 of the motor are accommodated in the area between the motor shell 5 and the pump shaft 1, the pump shaft 1 is connected with the rotor 7, and the stator 6 is arranged outside the rotor 7; the cavity between the motor casing 5 and the outer barrel body 2 is a pump cavity A for accommodating water.
The lower part of the pump shaft 1 penetrates through the center of the inner cover oil chamber bearing body 8, and the upper end of the inner cover oil chamber bearing body 8 is connected with the guide vane group 3 and the motor shell 5 and is positioned below the motor. The inner cover oil chamber bearing body 8 supports the pump shaft 1 through an inner bearing. And a mechanical seal and a framework oil seal for sealing the radial clearance of the pump shaft 1 are also arranged in the inner cover oil chamber bearing body 8, the lower end of the inner cover oil chamber bearing body is connected with an oil chamber cover 9 to be used as a cover plate, and engine oil is added into the inner cover oil chamber bearing body 8. And plays a role in lubricating the pump shaft 1.
The impeller 10 is installed to pump shaft 1 lower extreme, and the impeller 10 sets up in guide blade group 3, sets up the multiunit stator in the guide blade group 3 cavity, and impeller 10 blade is located guide blade below of guide blade group 3, and both are corresponding and appearance phase-match, and the centrifugal flow of play water is through the impeller 10 and is upwards flowed out corresponding to the guide blade.
The impeller 10 adopts a high-efficiency low-level centrifugal flow type structure, and has the characteristics of light weight, large flow and high efficiency.
The bottom suction filter screen 11 is detachably arranged below the integrated base 4, and the bottom suction filter screen 11 can be a straight pipe type or an elbow type, or can be directly used without the bottom suction filter screen 11.
The upper end of the outer barrel body 2 is connected with a water outlet connector 12, the water outlet connector 12 adopts a closed inner threading structure, a cable of the motor penetrates through a sealed wire outlet hole on the water outlet connector 12 to be connected with an external variable frequency controller 13, and the variable frequency controller 13 is connected with commercial power for power supply. A quick-fit clamp is used on the water outlet joint 12 to connect the leather pipe type joint 14.
The utility model discloses a immersible pump during operation starts variable frequency controller 13, and the motor drives impeller 10 rotatory, inhales impeller 10 with water, upwards gets into pump chamber A through guide vane group 3, discharges through outlet connector 12 again.
As can be seen from the above operation, when water is pumped, the water flows through the pump cavity a between the outer tub 2 and the motor housing 5 and is discharged upward, and the flowing water cools the motor, so that the pump can be operated away from the water surface. Therefore, the pump of the present invention has a plurality of usage modes.
Fig. 1, 2 and 3 show the usage of a single pump, fig. 1 shows the bottom of the straight pipe type bottom suction filter screen 11, fig. 2 shows the bottom suction filter screen 11 is removed, in this case, the water suction level is lower, and the water with extremely low water level can be drained. The water suction part of fig. 3 is provided with an integrally welded bent pipe type bottom filter screen, and when the pump is used in a recumbent manner, the bent pipe type bottom filter screen has the characteristics of low water suction level and capability of draining accumulated water with lower water level. Fig. 4 shows that a plurality of pumps are used in a fast connection mode and are connected in series, the water outlet flow is unchanged, the lift is doubled (2), and 3 or more lifts are added sequentially. Fig. 5 is that the mode soft series that many pumps connect soon with the remote uses, uses hose 15 to connect between the immersible pump, and the displacement is unchangeable, and the lift is doubled (2), and 3 and above lifts are in the same direction as adding, and the pump dives in the below uses, and all the other pumps all can leave the surface of water and use, can realize that long-distance sectional type pressure boost send water. The application range of the pump is greatly expanded by the multiple application modes, and the pump is more efficient and practical.
As one embodiment, the submersible pump is provided with a stator 6 and a rotor 7 of a motor, a stator winding of a low-speed permanent magnet synchronous variable frequency motor and a rotor set of a permanent magnet synchronous special motor are used, and a high-frequency variable frequency controller 13 is provided. As the second embodiment, the submersible pump is provided with a stator winding of a three-phase asynchronous motor, and can be started by matching with a controller or can be directly started. The submersible pump of two kinds of embodiments all has small, light in weight, efficient characteristics, and convenient the removal has portable function, for example the flow 200 cube of power 7.5KW, the lift is 6 meters, and weight is less than 50 kilograms, and general two people can move, are fit for residential property district, underground garage, and the emergent flood prevention drainage waterlogging special use of industrial enterprise also is fit for low-cost occasions such as agricultural interim irrigation and uses.
Preferably, the outer barrel body 2, the guide vane group 3, the integrated base 4 and the impeller 10 are made of stainless steel, so that the submersible pump is lighter in weight and has the characteristics of wear resistance, corrosion resistance and durability.
To sum up, the submersible pump of the utility model has the characteristics of light weight, small volume, large flow and high efficiency, and is convenient to move; the bottom suction type impeller can completely absorb water with extremely low water level; the bottom is provided with a straight pipe or a bent pipe type detachable bottom suction filter screen, can be used vertically, obliquely or horizontally, can be used independently or in series, is suitable for changeable drainage sites, and has wide application range.
The above embodiments are only for illustrating the present invention, and are not to be construed as limiting the present invention. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art will understand that various combinations, modifications and equivalent substitutions can be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all of the technical solutions should be covered by the scope of the claims of the present invention.
Claims (8)
1. A portable bottom suction centrifugal flow submersible pump is characterized by comprising a pump shaft (1), an outer barrel body (2), a guide vane group (3), an integrated base (4), a motor shell (5), a stator (6), a rotor (7), an impeller (10) and a water outlet joint (12);
the outer barrel body (2), the guide vane group (3), the integrated base (4) and the motor shell (5) are all thin-wall cavity-shaped revolving bodies, the upper end of the guide vane group (3) is connected with the outer barrel body (2), the lower end of the guide vane group is connected with the integrated base (4), and the upper end of the outer barrel body (2) is connected with the water outlet joint (12);
the motor casing (5) is mounted on the guide vane group (3) and coaxially arranged in the outer barrel body (2), the pump shaft (1) axially penetrates through the center of the motor casing (5), a bearing is arranged between the upper end of the pump shaft (1) and the motor casing (5), the stator (6) and the rotor (7) of a motor are accommodated in a region between the motor casing (5) and the pump shaft (1), the pump shaft (1) is connected with the rotor (7), the stator (6) is arranged outside the rotor (7), and a cavity between the motor casing (5) and the outer barrel body (2) is a pump cavity (A) for accommodating a water body;
the lower part of the pump shaft (1) penetrates through the center of an inner cover oil chamber bearing body (8), the upper end of the inner cover oil chamber bearing body (8) is connected with the guide vane group (3) and the motor shell (5), and the inner cover oil chamber bearing body (8) supports the pump shaft (1) through an internal bearing;
the impeller (10) is installed at the lower end of the pump shaft (1), the impeller (10) is arranged in the guide vane group (3), a plurality of groups of guide vanes are arranged in a cavity of the guide vane group (3), blades of the impeller (10) are positioned below the guide vanes of the guide vane group (3), the guide vanes and the guide vanes are corresponding and matched in shape, effluent centrifugally flows through the impeller (10) and flows upwards corresponding to the guide vanes, and the impeller (10) adopts a high-efficiency low-level centrifugal flow type structure;
and a cable of the motor penetrates through a sealed wire outlet hole on the water outlet joint (12) to be connected with an external variable frequency controller (13), and the variable frequency controller (13) is connected with commercial power for power supply.
2. The portable bottom suction centrifugal flow submersible pump according to claim 1, characterized in that the stator (6) and the rotor (7) are a low speed permanent magnet synchronous variable frequency motor stator winding and a permanent magnet synchronous purpose-built motor rotor set, equipped with the high frequency variable frequency controller (13).
3. The portable bottom suction centrifugal submersible pump according to claim 1, wherein the stator (6) is a three-phase asynchronous motor stator winding that can be started with a controller or directly started.
4. The portable bottom suction centrifugal flow submersible pump according to claim 1, characterized in that a bottom suction screen (11) is detachably mounted below the integrated base (4), and the bottom suction screen (11) can be a straight pipe type or a bent pipe type.
5. The portable bottom-suction centrifugal submersible pump according to claim 1, wherein the outer tub (2), the guide vane group (3), the integrated base (4), and the impeller (10) are made of stainless steel.
6. The portable bottom suction centrifugal flow submersible pump according to claim 1, wherein a mechanical seal and a skeleton oil seal for sealing the radial clearance of the pump shaft (1) are further provided in the inner cover oil chamber bearing body (8), the lower end of the inner cover oil chamber bearing body is connected with an oil chamber cover (9) to serve as a cover plate, engine oil is added into the inner cover oil chamber bearing body (8),
the pump shaft (1) is lubricated.
7. The portable bottom suction centrifugal flow submersible pump according to claim 1, wherein the water outlet fitting (12) is of a closed internal threading construction.
8. The portable bottom suction centrifugal submersible pump according to claim 1, wherein the outlet fitting (12) is connected to the bellows fitting (14) using a quick-fit clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222734799.XU CN218376940U (en) | 2022-10-18 | 2022-10-18 | Portable bottom suction centrifugal flow submersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222734799.XU CN218376940U (en) | 2022-10-18 | 2022-10-18 | Portable bottom suction centrifugal flow submersible pump |
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| Publication Number | Publication Date |
|---|---|
| CN218376940U true CN218376940U (en) | 2023-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222734799.XU Active CN218376940U (en) | 2022-10-18 | 2022-10-18 | Portable bottom suction centrifugal flow submersible pump |
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| CN (1) | CN218376940U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116995881A (en) * | 2023-08-09 | 2023-11-03 | 浙江创美机电有限公司 | Energy-saving efficient high-frequency submersible motor and manufacturing process thereof |
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2022
- 2022-10-18 CN CN202222734799.XU patent/CN218376940U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116995881A (en) * | 2023-08-09 | 2023-11-03 | 浙江创美机电有限公司 | Energy-saving efficient high-frequency submersible motor and manufacturing process thereof |
| CN116995881B (en) * | 2023-08-09 | 2024-02-23 | 浙江创美机电有限公司 | Energy-saving efficient high-frequency submersible motor and manufacturing process thereof |
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