CN214742094U

CN214742094U - Vertical single-stage centrifugal pump for water treatment

Info

Publication number: CN214742094U
Application number: CN202120196677.2U
Authority: CN
Inventors: 胡陈春; 林西龙; 戴天翔
Original assignee: Zhejiang Kunquan Pump Co ltd
Current assignee: Zhejiang Kunquan Pump Co ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-11-16
Anticipated expiration: 2031-01-25

Abstract

The utility model relates to a water pump technical field just discloses a vertical single-stage centrifugal pump for water treatment, the test platform comprises a support, the top of frame and the bottom fixed connection of the pump body, the top of the pump body and the bottom spiro union of motor, the output of motor stretch into to the pump body in and with the middle part fixed connection of pump impeller, the left side and the right side of the pump body communicate with the one end of the pump body of two sets of connecting pipes orientation respectively. This a vertical single-stage centrifugal pump for water treatment, cooperation through spring and apron and limiting plate to and the cooperation of air current pipe and filtration pore, make the motor when using and dispelling the heat, the external air current of its extraction passes through wind-guiding seat flow direction motor, reduced in external dust and particulate matter enter into the heat dissipation fan at motor top, improved the life of motor, and can carry out the shade protection to motor top fan when not using, the separation particulate matter enters into in the motor top fan.

Description

Vertical single-stage centrifugal pump for water treatment

Technical Field

The utility model relates to a water pump technical field specifically is a vertical single-stage centrifugal pump for water treatment.

Background

The centrifugal pump is a pump for conveying a liquid by centrifugal force generated when an impeller rotates. The centrifugal pump structure basically comprises a motor part and a pump body part, the motor part and the pump body part are in sealing connection through a mechanical sealing structure, air enters the fan of the vertical pump from the top, rainwater and dust can directly enter the motor from the upper side, and the motor part is prone to being broken down.

Chinese patent publication No. CN203067301U proposes a vertical single-stage centrifugal pump, the ventiduct structure that forms through the guide plate, the annular guide plate can be fine with the axial air inlet of fan air inlet edgewise guide to the top of fan, and guide the radial exhaust of fan downwards to the motor part, has fine waterproof nature, but this kind of vertical single-stage centrifugal pump is difficult when not using to protect motor top fan, the particulate matter is more easily blown into in the motor top fan this moment, thereby influence the life of motor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a vertical single-stage centrifugal pump for water treatment has solved this kind of vertical single-stage centrifugal pump and has not easily protected motor top fan when not using, and the particulate matter is more easily blown into in the motor top fan this moment to influence the life's of motor problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a vertical single-stage centrifugal pump for water treatment comprises a base, the top of the base is fixedly connected with the bottom of a pump body, the top of the pump body is in threaded connection with the bottom of a motor, the output end of the motor extends into the pump body and is fixedly connected with the middle of a pump wheel, the left side and the right side of the pump body are respectively communicated with one ends of two groups of connecting pipes facing the pump body, one ends of the connecting pipes far away from the pump body are fixedly connected with the middle of a flange plate, the front side and the rear side of the pump body are respectively fixedly connected with one sides of two groups of supports facing the pump body, the bottoms of the supports are respectively fixedly connected with the top ends of two groups of supports, the bottom ends of the four groups of supports are respectively fixedly connected with the top of the base, a magnetic suction seat is arranged at the top of the motor, a dust screen is arranged on the inner side of the magnetic suction seat, the top of the dust screen is fixedly connected with the inner wall of the top of the magnetic suction seat, and the dust screen is positioned above a cover plate, the outer surface of the dust screen is uniformly provided with a plurality of groups of filter holes, the inner side of the dust screen is provided with a wind guide seat, the bottom of the wind guide seat is fixedly connected with the outer side of the top of the mounting disc, the bottom of the mounting disc is in threaded connection with the top of the motor, the top of the mounting disc is fixedly connected with the bottom ends of the two groups of springs, the top ends of the two groups of springs are fixedly connected with the left side and the right side of the bottom of the cover plate respectively, the top of the cover plate is in contact with the bottom of the limiting plate, the middle of the limiting plate is provided with a wind inlet groove, the wind inlet groove is positioned right above the cover plate, the top of the limiting plate is uniformly provided with a plurality of groups of airflow pipes, and the outer side walls of the airflow pipes are fixedly connected with the outer side walls of the wind guide seat.

Preferably, one end of the airflow pipe facing the outer side of the air guide seat is arc-shaped, one end of the airflow pipe facing the air guide seat is aligned with the outer side wall of the air guide seat, and the multiple groups of airflow pipes are located on the inner side of the dust screen.

Preferably, the inner wall of the top of the magnetic attraction seat is fixedly connected with a permanent magnet plate, the air guide seat is a carbon steel seat, and the height of the magnetic attraction seat is twice of that of the air guide seat.

Preferably, the dust screen is a black hard plastic screen, and the diameter of the filter holes on the surface of the dust screen is less than two millimeters.

Preferably, the diameter of air inlet groove and the internal diameter of mounting disc all are less than the diameter of apron, the natural length of spring and spacing looks adaptation between limiting plate to the mounting disc.

Preferably, the left end and the right end of one side of the support towards the pump body are respectively contacted with the outer side walls of the two groups of connecting pipes, and the support and the connecting pipes are welded and fixed.

(III) advantageous effects

Compared with the prior art, the utility model provides a vertical single-stage centrifugal pump for water treatment possesses following beneficial effect:

1. this a vertical single-stage centrifugal pump for water treatment, cooperation through spring and apron and limiting plate to and the cooperation of air current pipe and filtration pore, make the motor when using and dispelling the heat, the external air current of its extraction passes through wind-guiding seat flow direction motor, reduced in external dust and particulate matter enter into the heat dissipation fan at motor top, improved the life of motor, and can carry out the shade protection to motor top fan when not using, the separation particulate matter enters into in the motor top fan.

2. This a vertical single-stage centrifugal pump for water treatment, through being provided with the support, the support cooperatees with the pump body and connecting pipe to and the support of pillar to the support is fixed, make the fixed of the pump body comparatively stable, and make the pump body comparatively stable to the support of motor, the deformation damage of the pump body has been reduced, inhale the top inner wall fixedly connected with permanent magnet plate of seat through the magnetism, and the wind-guiding seat is the carbon steel seat, make magnetism inhale seat and dust screen conveniently place and dismantle, the convenience of device use has been improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the structure of the wind guide seat of the present invention;

fig. 3 is a cross-sectional view of the magnetic attraction seat of the present invention.

In the figure: 1. a machine base; 2. a pump body; 3. a motor; 4. a connecting pipe; 5. a flange plate; 6. a support; 7. a pillar; 8. a magnetic attraction seat; 9. a dust screen; 10. a wind guide seat; 11. mounting a disc; 12. a spring; 13. a cover plate; 14. a limiting plate; 15. an air inlet groove; 16. an airflow duct; 17. and (4) filtering holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a vertical single-stage centrifugal pump for water treatment comprises a machine base 1, wherein the top of the machine base 1 is fixedly connected with the bottom of a pump body 2, the top of the pump body 2 is in threaded connection with the bottom of a motor 3, the output end of the motor 3 extends into the pump body 2 and is fixedly connected with the middle part of a pump wheel, the left side and the right side of the pump body 2 are respectively communicated with one ends of two groups of connecting pipes 4 facing the pump body 2, one ends of the connecting pipes 4 far away from the pump body 2 are fixedly connected with the middle part of a flange 5, the front side and the rear side of the pump body 2 are respectively fixedly connected with one sides of two groups of supports 6 facing the pump body 2, the bottoms of the supports 6 are respectively fixedly connected with the top ends of two groups of supports 7, the bottom ends of the four groups of supports 7 are respectively fixedly connected with the top of the machine base 1, a magnetic suction base 8 is arranged at the top of the motor 3, a dust screen 9 is arranged on the inner side of the magnetic suction base 8, the top of the dust screen 9 is fixedly connected with the inner wall of the top of the magnetic suction base 8, the dust screen 9 is positioned above the cover plate 13, a plurality of groups of filtering holes 17 are uniformly formed in the outer surface of the dust screen 9, an air guide seat 10 is arranged on the inner side of the dust screen 9, the bottom of the air guide seat 10 is fixedly connected with the outer side of the top of the mounting disc 11, the bottom of the mounting disc 11 is in threaded connection with the top of the motor 3, the top of the mounting disc 11 is fixedly connected with the bottom ends of two groups of springs 12 respectively, the top ends of the two groups of springs 12 are fixedly connected with the left side and the right side of the bottom of the cover plate 13 respectively, the top of the cover plate 13 is contacted with the bottom of the limiting plate 14, the middle of the limiting plate 14 is provided with an air inlet groove 15, the air inlet groove 15 is positioned right above the cover plate 13, a plurality of groups of airflow pipes 16 are uniformly arranged at the top of the limiting plate 14, the outer side walls of the plurality of airflow pipes 16 are fixedly connected with the outer side wall of the air guide seat 10, the springs 12 are matched with the limiting plate 14 and the airflow pipes 16 are matched with the filtering holes 17, when the motor 3 is used and radiates heat, the extracted outside air flow flows to the motor 3 through the air guide seat 10, so that the entering of outside dust and particles into the heat radiation fan at the top of the motor 3 is reduced, and the service life of the motor 3 is prolonged.

Specifically, in order to avoid interference, one end of the airflow pipe 16 facing the outside of the air guide seat 10 is set to be arc-shaped, one end of the airflow pipe 16 facing the air guide seat 10 is aligned with the outer side wall of the air guide seat 10, and the multiple groups of airflow pipes 16 are all located on the inner side of the dust screen 9, so that the airflow pipe 16 and the dust screen 9 are prevented from being scratched.

Specifically, in order to improve the convenience of the device, the top inner wall fixedly connected with permanent magnet plate of the magnetic attraction seat 8, the air guide seat 10 is a carbon steel seat, so that the magnetic attraction seat 8 and the dust screen 9 are convenient to place and detach, the height of the magnetic attraction seat 8 is twice the height of the air guide seat 10, the magnetic attraction seat 8 can shield the top of the motor 3, and the influence of falling objects on the motor 3 and the device is reduced.

Specifically, in order to filter dust in the air current, the dust screen 9 is a black hard plastic net, so that the dust screen 9 can keep a certain shape, the phenomenon that the air current flows through the dust screen 9 and the air guide seat 10 are blown to be attached to influence the flow of the air current is avoided, and the diameter of the filtering holes 17 on the surface of the dust screen 9 is smaller than two millimeters, so that large particles can be separated.

Specifically, in order to enable the cover plate 13 to separate the air inlet groove 15, the diameter of the air inlet groove 15 and the inner diameter of the mounting disc 11 are both smaller than the diameter of the cover plate 13, the natural length of the spring 12 is matched with the distance between the limiting plate 14 and the mounting disc 11, and then the cover plate 13 separates the air inlet groove 15 under the pushing of the spring 12, so that when the motor 3 is not started, the amount of external impurities entering the device is reduced.

Specifically, in order to reduce the deformation damage of the pump body 2, the support 6 contacts with the outer side walls of the two sets of connecting pipes 4 respectively towards the left end and the right end of one side of the pump body 2, and the support 6 and the connecting pipes 4 are welded and fixed, so that the fixation of the pump body 2 is stable, and the support of the pump body 2 to the motor 3 is stable.

The working principle is as follows: the device starts motor 3 when using, the output of motor 3 drives the impeller at the 2 internal rotations of pump body, and utilize centrifugal action to make rivers in a set of connecting pipe 4 of input pump body 2 export from another set of connecting pipe 4, simultaneously when the device starts, the heat dissipation fan at motor 3 self top starts simultaneously, negative pressure when the heat dissipation fan rotates through motor 3 top, make apron 13 downstream and compression spring 12, external air current can pass filtration pore 17 and air current pipe 16 and enter into in the guide seat 10 this moment, and make the air current dispel the heat to motor 3 through the clearance between limiting plate 14 and the apron 13.

To sum up, the vertical single-stage centrifugal pump for water treatment is characterized in that through the cooperation of the spring 12, the cover plate 13 and the limit plate 14 and the cooperation of the airflow pipe 16 and the filter hole 17, when the motor 3 is used and radiates heat, the external airflow pumped by the motor flows to the motor 3 through the air guide seat 10, so that the external dust and particles are prevented from entering the heat radiation fan at the top of the motor 3, the service life of the motor 3 is prolonged, the magnetic suction seat 8 can shield and protect the top of the motor 3, the influence of falling objects on the motor 3 and the device is reduced, the bracket 6 is matched with the pump body 2 and the connecting pipe 4 and the support of the support 6 is fixed by the support 6, so that the fixing of the pump body 2 is stable, the support of the pump body 2 on the motor 3 is stable, the deformation and the damage of the pump body 2 is reduced, and the permanent magnet plate is fixedly connected to the inner wall at the top of the magnetic suction seat 8, and the air guide seat 10 is a carbon steel seat, so that the magnetic suction seat 8 and the dust screen 9 are convenient to place and detach, and the use convenience of the device is improved.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A vertical single-stage centrifugal pump for water treatment, includes frame (1), its characterized in that: the top of the engine base (1) is fixedly connected with the bottom of the pump body (2), the top of the pump body (2) is connected with the bottom of the motor (3) in a screwed mode, the output end of the motor (3) extends into the pump body (2) and is fixedly connected with the middle of the pump wheel, the left side and the right side of the pump body (2) are communicated with one ends of the two groups of connecting pipes (4) facing the pump body (2) respectively, the middle of one ends of the connecting pipes (4) far away from the pump body (2) and the flange plate (5) is fixedly connected, the front side and the rear side of the pump body (2) are fixedly connected with one sides of the two groups of supports (6) facing the pump body (2) respectively, the bottom of each support (6) is fixedly connected with the top ends of the two groups of pillars (7), the bottom ends of the four groups of pillars (7) are fixedly connected with the top of the engine base (1), and the top of the motor (3) is provided with a magnetic suction base (8), the inner side of the magnetic suction seat (8) is provided with a dust screen (9), the top of the dust screen (9) is fixedly connected with the inner wall of the top of the magnetic suction seat (8), the dust screen (9) is positioned above the cover plate (13), the outer surface of the dust screen (9) is uniformly provided with a plurality of groups of filter holes (17), the inner side of the dust screen (9) is provided with an air guide seat (10), the bottom of the air guide seat (10) is fixedly connected with the outer side of the top of the mounting plate (11), the bottom of the mounting plate (11) is in threaded connection with the top of the motor (3), the top of the mounting plate (11) is respectively and fixedly connected with the bottom ends of two groups of springs (12), the top ends of the two groups of springs (12) are respectively and fixedly connected with the left side and the right side of the bottom of the cover plate (13), the top of the cover plate (13) is contacted with the bottom of the limiting plate (14), the middle part of the limiting plate (14) is provided with an air inlet groove (15), the air inlet groove (15) is positioned right above the cover plate (13), a plurality of groups of airflow pipes (16) are uniformly arranged at the top of the limiting plate (14), and the outer side walls of the airflow pipes (16) are fixedly connected with the outer side wall of the air guide seat (10).

2. A vertical single stage centrifugal pump for water treatment according to claim 1, wherein: one end of the airflow pipe (16) facing the outer side of the air guide seat (10) is arc-shaped, one end of the airflow pipe (16) facing the air guide seat (10) is aligned with the outer side wall of the air guide seat (10), and the multiple groups of airflow pipes (16) are located on the inner side of the dust screen (9).

3. A vertical single stage centrifugal pump for water treatment according to claim 1, wherein: the inner wall of the top of the magnetic attraction seat (8) is fixedly connected with a permanent magnet plate, the air guide seat (10) is a carbon steel seat, and the height of the magnetic attraction seat (8) is twice of that of the air guide seat (10).

4. A vertical single stage centrifugal pump for water treatment according to claim 1, wherein: the dust screen (9) is a black hard plastic screen, and the diameter of the surface filter holes (17) of the dust screen (9) is less than two millimeters.

5. A vertical single stage centrifugal pump for water treatment according to claim 1, wherein: the diameter of air inlet groove (15) and the internal diameter of mounting disc (11) all are less than the diameter of apron (13), the natural length of spring (12) and spacing looks adaptation between limiting plate (14) to mounting disc (11).

6. A vertical single stage centrifugal pump for water treatment according to claim 1, wherein: support (6) are towards one side left end and the right-hand member of the pump body (2) and are contacted with the lateral wall of two sets of connecting pipes (4) respectively, and welded fastening between support (6) and connecting pipe (4).