CN211288197U

CN211288197U - Axial flow pump

Info

Publication number: CN211288197U
Application number: CN201922289541.1U
Authority: CN
Inventors: 黄诚; 陈荣凤; 纵钢; 王盼
Original assignee: Yangzhou Haiyuan Pump Co ltd
Current assignee: Yangzhou Haiyuan Pump Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-08-18
Anticipated expiration: 2029-12-18

Abstract

The utility model discloses an axial-flow pump. The axial flow pump comprises a shell, a rotating shaft, a motor, an impeller, a fixed guide vane, the shell is provided with a water inlet, a water outlet, a rotating shaft is arranged in the shell, the upper end of the rotating shaft is connected with the motor, the rotating shaft is connected with the fixed guide vane and the impeller, the axial flow pump further comprises a cleaning device, the cleaning device comprises a filter screen sleeve, a connecting shaft, a first blade, a first filter screen cover, a second filter screen cover, the connecting shaft can be detachably connected to the lower end of the rotating shaft, the connecting shaft is provided with a first filter screen cover, the upper end of the first filter screen cover is further provided with the filter screen sleeve, the filter screen sleeve can be detachably connected with the shell, the filter screen sleeve comprises a filter screen bottom and a cylinder wall, the upper end of. Sundries such as aquatic weeds cannot be wound on the impeller and the fixed guide vane, so that the service life of the equipment is prolonged, and the sundries collected by the cleaning device can be conveniently cleaned.

Description

Axial flow pump

Technical Field

The utility model relates to an axial-flow pump, in particular to axial-flow pump convenient to clearance.

Background

The axial-flow pump is a vane pump, the axial-flow pump makes liquid transport along the axial direction by the action force of the vane of the rotating impeller on the liquid, the impeller of the axial-flow pump is provided with 2-7 vanes, the vanes rotate in the circular tube shaped pump shell, the pump shell on the upper part of the impeller is provided with fixed guide vanes for eliminating the rotating motion of the liquid, changing the rotating motion into axial motion and converting the kinetic energy of the rotating motion into pressure energy.

The Chinese patent database discloses a patent named as an axial flow pump with adjustable flow, wherein the application number is CN201810507720.5, the application date is 2018.05.24, the publication (publication) number is CN110529388A, and the publication (publication) date is 2019.12.03. The axial flow pump with the adjustable flow rate comprises a water inlet pipe, a bent pipe connected with the water inlet pipe, a first water outlet pipe connected with the bent pipe and a second water outlet pipe connected with the water inlet pipe, wherein the diameter of the second water outlet pipe is different from that of the first water outlet pipe; the first water outlet pipe is provided with a first water outlet flange, a first cover is fixed at the first water outlet flange and provided with a first sealing gasket, and the first cover and the first water outlet flange are fixed through a first bolt; the second water outlet pipe is provided with a second water outlet flange, a second cover is fixed at the second water outlet flange and provided with a second sealing gasket, and the second cover and the second water outlet flange are fixed through a second bolt. The axial flow pump of the invention is adjustable, has a large adjusting range, and can adjust the flow and the lift. The axial flow pump has the disadvantages that when more impurities such as garbage or aquatic weeds exist in the water body, the impurities are easy to wind on the rotating blades, so that the working efficiency of the axial flow pump is reduced, and even the axial flow pump is blocked.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an axial-flow pump to reduce debris or pasture and water twine in the inside impeller of axial-flow pump, stator's possibility, and conveniently clear up the debris in the axial-flow pump.

In order to realize the above utility model purpose, the utility model relates to an axial-flow pump adopts following technical scheme:

the utility model provides an axial-flow pump, includes shell, pivot, motor, impeller, stator, the shell lower extreme is provided with the water inlet, and the upper end is provided with the delivery port, be provided with the pivot in the shell, the pivot upper end with the output shaft of motor, the pivot is from last to having connected gradually down stator with the impeller, it still includes cleaning device, cleaning device includes filter screen cover, connecting axle, blade one, filter screen panel two, the connecting axle with the coaxial setting of pivot can dismantle connect in the pivot lower extreme, the connecting axle lower extreme is provided with conical filter screen panel one, filter screen panel one's awl end sets up, filter screen panel one upper end still is provided with filter screen cover, filter screen cover with the shell can dismantle the connection, filter screen cover includes filter screen panel end, filter screen cover, The filter screen comprises a cylinder wall, the outer wall of the cylinder wall is attached to the inner wall of the shell, the upper end of the cylinder wall is provided with the filter screen bottom, the inner wall of the cylinder wall is provided with a conical filter screen cover II, the conical tip of the filter screen cover II faces upwards, and a first blade arranged on the connecting shaft is arranged between the filter screen cover I and the filter screen cover II.

When the axial flow pump works, water flow enters from the water inlet, passes through the cleaning device and then flows out from the water outlet, and sundries are chopped up through the blade for a while so as to be kept in an area formed by the filter screen sleeve, the filter screen cover I and the filter screen cover II, so that the sundries are not discharged from the water outlet, and aquatic weeds are not wound on the impeller and the fixed guide vane; when cleaning, the sundries in the filter net can be cleaned only by taking out the filter net.

Compared with the prior art, the beneficial effects of the utility model reside in that: sundries such as aquatic weeds cannot be wound on the impeller and the fixed guide vane, so that the service life of the equipment is prolonged, and the sundries collected by the cleaning device can be conveniently cleaned.

On the basis of the technical scheme, the utility model discloses can also do as follows the improvement:

further: the cleaning device further comprises a second blade, and the second blade is arranged on the outer wall of the connecting shaft between the bottom of the filter screen and the second filter screen cover. The beneficial effect of this step: the second blade further cuts up sundries, so that the situation that sundries such as large pieces of waterweeds cover the bottom of the filter screen to influence the water pumping efficiency of the axial flow pump is avoided.

Further: the cleaning device further comprises a third filter screen cover, the third filter screen cover surrounds the second blade and is arranged at the bottom of the filter screen, and the outer wall of the third filter screen cover and the inner wall of the cylinder wall are arranged at intervals. The beneficial effect of this step: the third filter screen cover prevents sundries from entering the space between the third filter screen cover and the inner wall of the cylinder wall, thereby ensuring the smoothness of water flow.

Further: the shell comprises a first shell and a second shell, the water inlet is formed in the lower end of the first shell, the water outlet is formed in the upper end of the second shell, the first shell is detachably connected with the second shell, and the filter screen sleeve is detachably connected with the first shell. The beneficial effect of this step: the first shell is separated out, so that the filter screen sleeve is convenient to disassemble and assemble.

Further: the filter screen sleeve is detachably connected to the shell I, an upper positioning hole is formed in the shell I corresponding to the upper end of the filter screen sleeve, a lower positioning hole is formed in the shell I corresponding to the lower end of the filter screen sleeve, the positioning rod is inserted into the upper positioning hole and the lower positioning hole in a sealing mode, and the filter screen sleeve is limited between the upper positioning hole and the lower positioning hole by the positioning rod. The beneficial effect of this step: the filter net sleeve is convenient to disassemble and assemble through the positioning rod.

Further: the filter screen sleeve is characterized by further comprising a rubber pad, the rubber pad is arranged on the upper end face and the lower end face of the filter screen sleeve respectively, and the positioning rod is in close contact with the rubber pad.

Further: the lower end of the rotating shaft is provided with a square insertion hole, and the upper end of the connecting shaft is provided with an insertion end corresponding to the insertion hole.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

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

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is an enlarged view of a portion B of FIG. 2;

FIG. 4 is an enlarged view of portion C of FIG. 2;

FIG. 5 is an enlarged view of a portion D of FIG. 2;

fig. 6 is a schematic view of the bottom structure of the filter screen.

The device comprises a shell 1, a water inlet 101, a water outlet 102, a first shell 103, a second shell 104, a first sealing ring groove 105, a first sealing ring 106, a positioning hole on a 107, a positioning hole under 108, a rotating shaft 2, a plug-in hole 201, a motor 3, a 4-fixed guide vane, an impeller 5, a 6 cleaning device, a filter screen sleeve 601, a 602 connecting shaft, a first blade 603, a first filter screen cover 604, a second filter screen cover 605, a filter screen bottom 606, a cylinder wall 607, a second blade 608, a third filter screen cover 609, a 610 positioning rod, a 611 rubber pad, a 612 mounting plate, a second sealing ring groove 613, a second sealing ring 614, a plug-in end 615, an outer ring plate 616, an inner ring plate 618, a connecting rib plate, a 619 filter screen 620.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

As shown in fig. 1 and 2, an axial flow pump comprises a housing 1, a rotating shaft 2, a motor 3, a fixed guide vane 4 and an impeller 5, wherein a water inlet 101 is arranged at the lower end of the housing 1, a water outlet 102 is arranged at the upper end of the housing 1, the rotating shaft 2 arranged along the vertical direction is arranged in the housing 1, the upper end of the rotating shaft 2 is connected with an output shaft of the motor 3 through a coupling, the motor 3 is arranged at the upper end of the housing 1, the motor 3 is a speed reducing motor, the rotating shaft 2 is sequentially connected with the fixed guide vane 4 and the impeller 5 from top to bottom, the axial flow pump further comprises a cleaning device 6, the cleaning device 6 is used for collecting impurities in a water body, the cleaning device 6 comprises a filter screen sleeve 601, a connecting shaft 602, a blade I603, a filter screen I604 and a filter screen II 605, the connecting shaft 602 is coaxially arranged with the rotating shaft 2, the upper end, the first filter screen cover 604 and the connecting shaft 602 are coaxially arranged, the cone tip of the first filter screen cover 604 is arranged downwards, the first filter screen cover 604 can be connected to the connecting shaft 602 in a welding or bolt connection mode, the filter screen cover 601 is further arranged above the first filter screen cover 604, the filter screen cover 601 is detachably connected with the shell 1, the filter screen cover 601 comprises a filter screen bottom 606 and a cylinder wall 607, the outer wall of the cylinder wall 607 is attached to the inner wall of the shell 1, the filter screen bottom 606 is arranged at the upper end of the cylinder wall 607, a conical filter screen cover two 605 is arranged on the inner wall of the cylinder wall 607, the cone tip of the filter screen cover two 605 is arranged upwards, a plurality of blades first 603 welded to the connecting shaft 602 are arranged between the first filter screen cover 604 and the second filter screen cover 605, the blades first blades 603 are arranged around the outer wall of the connecting shaft 602, the upper and lower ends of the blades first 603 are, thereby cutting off the sundries in the water body.

As shown in fig. 1 and 2, the cleaning device 6 further includes a second blade 608 and a third filter screen cover 609, the second blade 608 is disposed on the outer wall of the connecting shaft 602 between the filter screen bottom 606 and the second filter screen cover 605, the second blade 608 is provided with a plurality of blades and is disposed around the outer wall of the connecting shaft 602, the upper end and the lower end of the second blade 608 both have cutting edges, and the rotation of the second blade 608 is driven by the rotation of the connecting shaft 602, so that the impurities in the water body are cut off; the filter screen cover third 609 is conical and is arranged around the blade second 608, the filter screen cover third 609 is provided with a filter screen bottom 606, the outer wall of the filter screen cover third 609 and the inner wall of the cylinder wall 607 are arranged at an interval, and impurities are limited to the inner side of the filter screen cover third 609 through the filter screen cover third 609, so that liquid can enter the interval and enter the shell second 104 through the filter screen bottom 606, and the continuous flowing capacity of the liquid is guaranteed when the axial-flow pump works.

As shown in fig. 1, 2, 3 and 4, the housing 1 is divided into a first housing 103 and a second housing 104 along the water flow direction, the water inlet 101 is arranged at the lower end of the first housing 103, the water outlet 102 is arranged at the upper end of the second housing 104, the first housing 103 is detachably connected with the second housing 104, and the detachable connection is realized by the bolt-nut connection, more specifically, the connection part of the first housing 103 and the second housing 104 is provided with a flange, the flange of the first housing 103 and the flange of the second housing 104 are connected together by the bolt-nut, the upper end surface of the flange of the first housing 103 is provided with a first seal ring groove 105, the first seal ring groove 105 is provided with a first seal ring 106, and the first housing 103 and the second housing 104 are hermetically connected by the first seal; the filter net sleeve 601 is arranged in the first shell 103 and the first shell 103 is detachably connected; the axial flow pump further comprises a positioning rod 610 and a rubber pad 611, the function of quickly positioning the filter screen sleeve 601 in the first shell 103 or quickly separating the filter screen sleeve 601 from the first shell 103 is realized through the positioning rod 610, the positioning rod 610 is detachably connected to the first shell 103, the first shell 103 is provided with a plurality of upper positioning holes 107 corresponding to the upper end surface of the filter screen sleeve 601, a plurality of lower positioning holes 108 corresponding to the lower end surface of the filter screen sleeve 601, the positioning rod 610 is inserted in the upper positioning holes 107 and the lower positioning holes 108 in a sealing manner, and the filter screen sleeve 601 is limited between the upper positioning holes 107 and the lower positioning holes 108 through the positioning rod 610 in the upper positioning holes 107 and the lower positioning holes 108; the specific structure that the positioning rod 610 and the first shell 103 are detachable is that an arc-shaped mounting plate 612 is arranged at the end part of the positioning rod 610, which is located on the outer side of the first shell 103, the end face, facing the first shell 103, of the mounting plate 612 is in a circular arc shape matched with the outer wall of the first shell 103, and the mounting plate 612 is connected to the outer wall of the first shell 103 through bolts, so that the detachable connection of the positioning rod 610 and the first shell 103 is realized; a second seal ring groove 613 is further formed in the periphery of the positioning rod 610, a second seal ring 614 is arranged in the second seal ring groove 613, and the positioning rod 610 is connected with the first shell 103 in a sealing mode through the second seal ring 614; the rubber gasket 611 is annular and is respectively arranged on the upper end surface and the lower end surface of the filter screen sleeve 601, and the positioning rod 610 is in close contact with the rubber gasket 611, so that the function of stably positioning the filter screen sleeve 601 in the first shell 103 by the positioning rod 610 is ensured; the end of the positioning rod 610 extending into the first housing 103 is provided with an arc angle, and the outer side of the end face of the rubber pad 611 contacting with the positioning rod 610 is provided with an oblique chamfer.

As shown in fig. 1, 2, 5 and 6, the lower end of the rotating shaft 2 is provided with a square insertion hole 201, the upper end of the connecting shaft 602 is provided with a square insertion end 615 corresponding to the insertion hole 201, and the insertion end 615 is inserted into the insertion hole 201 correspondingly; the filter screen bottom 606 comprises an outer ring plate 616, an inner ring plate 617, connecting rib plates 618 and filter screens 619, wherein the outer ring plate 616 and the inner ring plate 617 are both circular, the inner ring plate 617 is arranged in the inner ring of the outer ring plate 616 and is coaxially arranged with the outer ring plate 616, the outer ring plate 616 and the inner ring plate 617 are connected through a plurality of connecting rib plates 618 which are arranged along the radial direction, and the filter screens 619 are arranged in the areas formed by the outer ring plate 616, the inner ring plate 617 and the connecting rib plates 618; cleaning device 6 still includes axle sleeve 620, axle sleeve 620 is the self-lubricating copper sheathing, axle sleeve 620 upper end is provided with the turn-ups, axle sleeve 620 pegs graft in the inner circle of interior ring plate 617 and through bolted connection in interior ring plate 617, connecting axle 602 pegs graft in axle sleeve 620 along the through-hole that the axis was seted up, connecting axle 602 outer wall still is provided with annular protruding edge 621, protruding edge 621 down terminal surface and the laminating of axle sleeve 620 up end, cooperation through axle sleeve 620 and connecting axle 602, peg graft hole 201 and the cooperation of grafting end 615, the dismantlement that has realized pivot 2 and connecting axle 602 is connected.

The connection mode of the connection, the setting, the installation and the fixed connection can select a proper connection mode in the existing prior art, such as welding, riveting, threaded connection, bonding, pin connection, key connection, elastic deformation connection, buckle connection, interference connection and injection molding, so as to realize structural connection.

The utility model discloses a concrete working process and principle:

when the axial flow pump works, water flow enters the first shell 103 from the water inlet 101, enters the second shell 104 through the filter screen sleeve 601, and finally flows out of the water outlet 102, and impurities in the water body are cut by the first rotating blade 603 and the second rotating blade 608 when meeting the first blade 603 and the second blade 608 and enter an area formed by the third filter screen cover 609 and the filter screen bottom 606; when sundries need to be cleaned out, the first shell 103 is separated from the second shell 104, in the process, the connecting end is inserted into the insertion hole 201, the filter net sleeve 601 is positioned in the first shell 103 through the positioning rod 610, the cleaning device 6 can be separated from the second shell 104 together with the first shell 103, then the positioning rod 610 is pulled out from the upper positioning hole 107 and the lower positioning hole 108, and therefore the cleaning device 6 is taken out of the first shell 103, and the sundries of the cleaning device 6 can be cleaned.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The utility model provides an axial-flow pump, includes shell, pivot, motor, impeller, stator, the shell lower extreme is provided with the water inlet, and the upper end is provided with the delivery port, be provided with the pivot in the shell, the pivot upper end with the output shaft of motor, the pivot is from last to having connected gradually down stator with the impeller, its characterized in that, it still includes cleaning device, cleaning device is including filtering screen cloth, connecting axle, blade one, filtering screen panel two, the connecting axle with the coaxial setting of pivot can dismantle connect in the pivot lower extreme, the connecting axle lower extreme is provided with the toper filtering screen panel one, the cone bottom of filtering screen panel one sets up, filtering screen panel one upper end still is provided with filtering screen cloth, filtering screen cloth with the shell can be dismantled the connection, filtering screen cloth includes filtering screen bottom, The filter screen comprises a cylinder wall, the outer wall of the cylinder wall is attached to the inner wall of the shell, the upper end of the cylinder wall is provided with the filter screen bottom, the inner wall of the cylinder wall is provided with a conical filter screen cover II, the conical tip of the filter screen cover II faces upwards, and a first blade arranged on the connecting shaft is arranged between the filter screen cover I and the filter screen cover II.

2. The axial-flow pump of claim 1, wherein the cleaning device further comprises a second blade, and the second blade is disposed on an outer wall of the connecting shaft between the filter screen bottom and the second filter screen cover.

3. The axial-flow pump of claim 2, wherein the cleaning device further comprises a third filter screen, the third filter screen surrounds the second blade and is disposed at the bottom of the filter screen, and an outer wall of the third filter screen is spaced from an inner wall of the cylinder wall.

4. The axial-flow pump of claim 3, wherein the housing includes a first housing and a second housing, the water inlet is disposed at a lower end of the first housing, the water outlet is disposed at an upper end of the second housing, the first housing is detachably connected to the second housing, and the filter screen is detachably connected to the first housing.

5. The axial-flow pump of claim 4, further comprising a positioning rod detachably connected to the first housing, wherein the first housing has an upper positioning hole corresponding to the upper end of the filter screen sleeve and a lower positioning hole corresponding to the lower end of the filter screen sleeve, the positioning rod is inserted into the upper positioning hole and the lower positioning hole in a sealing manner, and the positioning rod limits the filter screen sleeve between the upper positioning hole and the lower positioning hole.

6. The axial-flow pump of claim 5, further comprising rubber pads, wherein the rubber pads are respectively disposed on the upper end surface and the lower end surface of the filter screen sleeve, and the positioning rod is in close contact with the rubber pads.

7. The axial-flow pump of claim 6, wherein the lower end of the rotating shaft is provided with a square insertion hole, and the upper end of the connecting shaft is provided with an insertion end corresponding to the insertion hole.