CN219754818U - Axial flow pump with filter equipment - Google Patents

Abstract

The utility model discloses an axial flow pump with a filtering device, which comprises a pump body and a pump shaft connected to the pump body, wherein an installation box is fixedly welded on the outer wall of the pump body, a motor welded with the pump body is arranged in an inner cavity of the installation box, a supporting rod is fixedly welded in the inner cavity of the pump body, an installation groove isolated from the external environment is formed in the supporting rod, two bevel gears meshed with each other are arranged in the installation groove and are respectively and coaxially connected to two inner supporting shafts, the two inner supporting shafts are both rotationally connected with the supporting rod, an output shaft of the motor penetrates through the pump body and the supporting rod and is coaxially connected with one of the inner supporting shafts, the other inner supporting shaft penetrates through the bottom wall of the supporting rod and is coaxially connected with an outer supporting shaft, an opening at the bottom of the inner cavity of the pump body is fixedly welded with a movable rod used for isolating sundries, and the outer supporting shaft penetrates through and is symmetrically welded with the movable rod. The axial flow pump with the filtering device can avoid the reduction of water inflow caused by the blockage of the filter screen by sundries.

Description

Axial flow pump with filter equipment

Technical Field

The utility model belongs to the technical field of axial flow pumps, and particularly relates to an axial flow pump with a filtering device.

Background

The axial flow pump is driven by the action force of the blades of the rotating impeller to the liquid to convey the liquid along the axial direction, and has various types such as vertical type, horizontal type, inclined type, cross flow type and the like. The impeller of the axial flow pump is provided with 2-7 blades, and rotates in a circular tube-shaped pump shell, and a pump shell at the upper part of the impeller is provided with a fixed guide vane for eliminating the rotary motion of liquid, so that the rotary motion is changed into axial motion, and the kinetic energy of the rotary motion is converted into pressure energy.

In carrying out the present utility model, the inventors have found that at least the following problems exist in this technology: in the existing axial flow pump, although the filtering device is provided (for example, a filter screen is arranged at the water inlet of the axial flow pump), when the axial flow pump is used, some impurities can be adsorbed on the surface of the filter screen, even the filter screen is directly blocked, so that the water inflow of the axial flow pump is reduced, and the operation of the axial flow pump is influenced.

To this end, we propose an axial flow pump with a filtering device that solves the above mentioned problems.

Disclosure of Invention

The utility model mainly aims to provide an axial flow pump with a filtering device, so that sundries such as aquatic plants or artificial garbage can not be attached to the surface of a filter screen, and the problem of water inflow reduction caused by blockage of the filter screen by the sundries can be avoided, and the problems in the background technology can be effectively solved.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides an axial-flow pump with filter equipment, includes the pump body and connects the pump shaft on the pump body, fixed welding has the installation box on the pump body outer wall, be equipped with in the installation box inner chamber with pump body welded motor, wherein fixed welding has branch in the pump body inner chamber, the inside of branch is formed with the mounting groove that keeps apart with external environment, be equipped with two intermeshing's bevel gears in the mounting groove, and two bevel gears respectively coaxial coupling is on two interior pivot, two interior pivot all rotates with branch to be connected, the output shaft of motor passes pump body and branch and with one of them interior pivot coaxial coupling, another interior pivot passes the diapire of branch and coaxial coupling have outer pivot, the fixed welding of opening part bottom the pump body inner chamber has the filter screen that is used for keeping apart debris, outer pivot passes the filter screen and symmetrical welding has movable lever.

As a preferred embodiment, a slot is formed in the outer wall of the pump body above the mounting box, and an arc-shaped plate is inserted in the slot along the horizontal direction; and the arc-shaped plate is of a detachable design.

As a preferred embodiment, the inner wall of the arc-shaped plate is arc-shaped and is welded with an inner frame, wherein the inner frame is ring-shaped, and a grating plate is welded on the inner side of the inner frame; the grating plate is used for intercepting large-volume sundries.

As a preferred embodiment, two sides of the outer wall of the arc-shaped plate are welded with lug seats, and bolts penetrating into the pump body are arranged on the two lug seats along the horizontal direction; thereby fixing the arc plate, the inner frame and the grating plate on the pump body.

As a preferred embodiment, the outer wall of the arc-shaped plate is welded with a handle; the handle is used for enabling personnel to conveniently withdraw the arc-shaped plate.

In summary, the technical effects and advantages of the present utility model are:

according to the axial flow pump with the filtering device, the motor is used for driving the two bevel gears to operate, so that the two movable rods operate along with the bevel gears, sundries such as aquatic plants or artificial garbage and the like close to the filter screen are driven to be processed, the sundries such as the aquatic plants or the artificial garbage and the like cannot be attached to the surface of the filter screen, and the phenomenon that the water inflow is reduced due to the fact that the filter screen is blocked by the sundries is avoided;

according to the axial flow pump with the filtering device, through the arranged grating plate, sundries with larger volume entering the pump body can be intercepted, and then the grating plate can be taken out and the sundries with large volume can be discharged by unscrewing two bolts, so that the sundries with large volume can be intercepted successfully.

Drawings

FIG. 1 is a schematic view of a structure of one side of the present utility model;

FIG. 2 is a schematic view of another embodiment of the present utility model;

FIG. 3 is a partial cross-sectional view taken at A-A of FIG. 2 in accordance with the present utility model;

FIG. 4 is an enlarged view of the structure of FIG. 3B in accordance with the present utility model;

fig. 5 is a partial cross-sectional view of the utility model at C-C in fig. 2.

In the figure: 1. a pump body; 2. a pump shaft; 3. a mounting box; 4. a motor; 5. a support rod; 6. a mounting groove; 7. bevel gears; 8. an inner support shaft; 9. an outer support shaft; 10. a movable rod; 11. an inner frame; 12. a grating plate; 13. an arc-shaped plate; 14. an ear seat; 15. a bolt; 16. a handle; 17. and (5) a filter screen.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-5, an axial flow pump with a filtering device comprises a pump body 1 and a pump shaft 2 connected to the pump body 1, wherein an installation box 3 is fixedly welded on the outer wall of the pump body 1, a motor 4 welded with the pump body 1 is arranged in an inner cavity of the installation box 3, a supporting rod 5 is fixedly welded in the inner cavity of the pump body 1, an installation groove 6 isolated from the external environment is formed in the inner part of the supporting rod 5, two bevel gears 7 meshed with each other are arranged in the installation groove 6, the two bevel gears 7 are respectively and coaxially connected to two inner supporting shafts 8, the two inner supporting shafts 8 are both in rotary connection with the supporting rod 5, an output shaft of the motor 4 passes through the pump body 1 and the supporting rod 5 and is coaxially connected with one of the inner supporting shafts 8, the other inner supporting shaft 8 passes through the bottom wall of the supporting rod 5 and is coaxially connected with an outer supporting shaft 9, a filter screen 17 for isolating sundries is fixedly welded at an opening at the bottom of the inner cavity of the pump body 1, one end of the outer supporting shaft 9, which is far from the supporting rod 5 extends vertically downwards, the filter screen 17 passes through the filter screen 17 and is symmetrically welded with a movable rod 10;

the slot has been seted up to being located mounting box 3 top at the pump body 1 outer wall, insert along the horizontal direction in the slot and have been equipped with arc 13, and arc 13 is detachable design, the inner wall of arc 13 is arc and welded with inner frame 11, wherein inner frame 11 is annular, and the inboard welding of inner frame 11 has grid board 12, grid board 12 is used for intercepting bulky debris, both sides at arc 13 outer wall have all welded ear seat 14, install the bolt 15 that penetrates in the pump body 1 along the horizontal direction on two ear seats 14, thereby be fixed in on the pump body 1 arc 13, inner frame 11 and grid board 12, the outer wall welding at arc 13 has handle 16, the handle 16 of setting is used for making personnel conveniently take out arc 13.

Working principle: when the pump body 1 runs, water enters the inner cavity of the pump body 1 from an opening at the bottom of the pump body 1, sundries in the water can hardly enter the inner cavity of the pump body 1 under the action of the filter screen 17, but moves below the filter screen 17, at the moment, the driving motor 4 runs to drive the two bevel gears 7 and the two inner support shafts 8 connected with the bevel gears and the two inner support shafts to run, so that the outer support shafts 9 drive the two movable shafts 10 to run along with the bevel gears and the two inner support shafts, and sundries (artificial garbage or aquatic plants) below the filter screen 17 are stirred, so that the sundries can not be adsorbed on the surface of the filter screen 17, and the condition that the filter screen 17 is blocked by the sundries is avoided;

when the pump body 1 is used for a period of time, a part of large-volume sundries possibly passes through the filter screen 17 and enters the inner cavity of the pump body 1, and the large-volume sundries are intercepted on the grating plate 12, so that the two bolts 15 can be detached to separate the arc plate 13 and the two lugs 14 from the pump body 1, and at the moment, the handle 16 can be held and the arc plate 13 can be horizontally pulled out, and the inner frame 11 and the grating plate 12 can be pulled out from the inner cavity of the pump body 1, thereby conveniently discharging the large-volume sundries.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (5)

1. The utility model provides an axial-flow pump with filter equipment, includes pump body (1) and connects pump shaft (2) on pump body (1), its characterized in that, fixed welding has installation box (3) on pump body (1) outer wall, be equipped with in installation box (3) inner chamber with pump body (1) welded motor (4), wherein fixed welding has branch (5) in pump body (1) inner chamber, the inside of branch (5) is formed with mounting groove (6) with external environment isolation, be equipped with two intermeshing bevel gears (7) in mounting groove (6), and two bevel gears (7) coaxial coupling respectively on two interior branch shafts (8), two interior branch shafts (8) all are connected with branch (5) rotation, the output shaft of motor (4) pass pump body (1) and branch (5) and with one of them interior branch shaft (8) coaxial coupling, another interior branch shaft (8) pass the diapire of branch (5) and coaxial coupling have outer (9), the opening part of branch shaft (1) inner chamber bottom is fixed with and is used for carrying out filter screen (17) and welds filter screen (17) outside the filter screen (17) and the symmetry.

2. An axial flow pump with a filtering device according to claim 1, characterized in that the outer wall of the pump body (1) is provided with a slot above the mounting box (3), and an arc-shaped plate (13) is inserted in the slot along the horizontal direction.

3. An axial flow pump with a filter device according to claim 2, characterized in that the inner wall of the arc plate (13) is arc-shaped and welded with an inner frame (11), wherein the inner frame (11) is ring-shaped and the inner side of the inner frame (11) is welded with a grating plate (12).

4. An axial flow pump with a filtering device according to claim 2, characterized in that the two sides of the outer wall of the arc-shaped plate (13) are welded with lugs (14), and bolts (15) penetrating into the pump body (1) are arranged on the two lugs (14) along the horizontal direction.

5. An axial flow pump with a filter device according to claim 2, characterized in that the outer wall of the arcuate plate (13) is welded with a handle (16).