CN210141199U

CN210141199U - Axial flow pump

Info

Publication number: CN210141199U
Application number: CN201920756689.9U
Authority: CN
Inventors: 赵玉明; 赵昶
Original assignee: GAOYOU HUANLIU PUMP CO Ltd
Current assignee: GAOYOU HUANLIU PUMP CO Ltd
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-03-13
Anticipated expiration: 2029-05-24

Abstract

The utility model discloses an axial-flow pump technical field's an axial-flow pump. The axial flow pump comprises a pump body, wherein a water inlet part is arranged at the lower end of the pump body, a water outlet bent pipe is arranged at the upper end of the pump body, a pump shaft is arranged in the pump body, a guide impeller and an impeller are sequentially arranged at the lower end of the pump shaft from top to bottom, a filtering piece is arranged at the lower end of the pump body below the guide impeller and the impeller, a cleaning device is arranged below the filtering piece, the cleaning device comprises a rotating shaft, the upper end of the rotating shaft is fixedly connected; the periphery circumference of axis of rotation location has the rotation cover that can follow the vertical up-and-down motion of axis of rotation, rotates the cover and is fixed with the guide bar of perpendicular to axis of rotation, and two helicla flutes that the spiral is opposite are seted up to the position that pump body inner wall is located the axis of rotation, and two helicla flutes are crossing and are linked together, and the guide bar is equipped with the sliding block that slides and insert in the helicla flute, and the guide bar periphery is close to pump body inner wall and can installs the. The utility model has the advantages that prevent that impurity from being stained with the wall and blockking up.

Description

Axial flow pump

Technical Field

The utility model relates to an axial-flow pump technical field, in particular to axial-flow pump.

Background

The axial-flow pump is a pump which enables liquid to be conveyed along the axial direction by acting force of blades of a rotating impeller on the liquid, and the impeller of the axial-flow pump is provided with 2-7 blades and rotates in a circular-tube-shaped pump shell. The guide vane wheel is installed on the pump casing above the vane wheel to eliminate the rotation of liquid and convert it into axial motion and convert the kinetic energy of rotation into pressure energy. The axial-flow pump is generally vertical, the impeller is immersed under water, and after the axial-flow pump is used for a long time, impurities in water are easy to stick to the wall and block the axial-flow pump, so that the use of the axial-flow pump is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prevent being stained with axial-flow pump of wall jam.

In order to realize the above utility model purpose, the utility model discloses following technical scheme that the axial-flow pump adopted:

an axial flow pump comprises a pump body, wherein a water inlet part is arranged at the lower end of the pump body, a water outlet bent pipe is arranged at the upper end of the pump body, a pump shaft is arranged in the pump body, a guide impeller and an impeller are sequentially arranged at the lower end of the pump shaft from top to bottom, a rotatable filter piece is arranged at the lower end of the pump body and below the guide impeller and the impeller, a cleaning device for cleaning the inner wall of the pump body is arranged below the filter piece, the cleaning device comprises a rotating shaft, the upper end of the rotating shaft is fixedly connected with the filter piece, a rotating blade is arranged at the lower end of the rotating shaft, the water inlet part comprises a first water inlet which is arranged at the right side of the pump body and is used for; the periphery circumference location of axis of rotation has the rotation cover that can follow the vertical up-and-down motion of axis of rotation, rotates the guide bar that the cover is fixed with the perpendicular to axis of rotation, two helicla flutes that the spiral is opposite are seted up to the position that pump body inner wall is located the axis of rotation, and two helicla flutes are crossing and are linked together, the guide bar is equipped with the sliding block that slides and insert in the helicla flute, and the guide bar periphery is close to pump body inner wall and can installs cleaning disc with rotating, and cleaning disc is just being equipped with the cleaning brush with pump body inner wall and helicla flute inslot contact.

Preferably, the cleaning disc is provided with a reciprocating assembly for driving the cleaning disc to rotate in a reciprocating mode, the reciprocating assembly comprises a waist-shaped groove arranged on the inner wall of the cleaning disc along the circumferential direction, a first spring is arranged at one end of the waist-shaped groove, a second spring is arranged at the other end of the waist-shaped groove, an interval is reserved between the first spring and the second spring, the guide rod is provided with a pressing block inserted into the interval of the waist-shaped groove, and two sides of the pressing block are respectively in contact with the first spring and the second spring.

Preferably, the bottom end of the pump body is provided with a conical cylinder, the upper opening of the conical cylinder is larger than the lower opening of the conical cylinder, the lower end of the conical cylinder is provided with a drain outlet, and the drain outlet is provided with a gate. After the large-particle impurities are settled and accumulated, the gate is opened, and the impurities are discharged out of the pump body.

Preferably, the upper part of the rotating shaft is uniformly distributed with external splines, and the inner wall of the rotating sleeve is uniformly distributed with internal splines matched with the external splines. Through the cooperation of external splines and internal splines, realize circumferential positioning.

Preferably, the first water inlet is located the pump body right side and sets up towards the slope of right side rear, the second water inlet is central symmetry with first water inlet.

Preferably, the first water inlet is connected with the front end of the pump body in an arc shape, and the second water inlet is connected with the rear end of the pump body in an arc shape.

Preferably, the filter member includes a particle filtration layer and an activated carbon filtration layer, the activated carbon filtration layer being located above the particle filtration layer.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model discloses a set up the impurity filtering of filtering piece with aquatic, then, set up cleaning device in the below of filtering piece, prevent that the impurity of filtering from being stained with the wall and piling up, wherein, through set up two helicla flutes that the spiral is opposite at the pump body inner wall, make the cleaning brush reciprocate from top to bottom along the pump body inner wall spiral, thereby the cleaning work of all-round realization pump body inner wall, prevent that the impurity from being stained with the wall and piling up, at this moment, only need set up a little cleaning brush and just can realize cleaning work, it is little to occupy the space in the pump body, can not influence the normal use of the axial-flow pump of the;

2. the utility model discloses a setting of first water inlet makes the water that inhales in the pump body get into and flow along rotating vane's front side from the right side, thereby promotes rotating vane's rotation through the effort of water, simultaneously, because the setting of second water inlet makes the water that inhales in the pump body get into and flow along rotating vane's rear side from the left side, further assists the promotion rotating vane rotation through the effort of water, through the setting of first water inlet and second water inlet, makes rotating vane rotate smoothly; at the moment, the rotating blade rotates to drive the rotating shaft to rotate, the rotating sleeve is circumferentially positioned on the rotating shaft, so that the rotating sleeve rotates along with the rotating shaft and drives the guide rod to rotate, the guide rod rotates to drive the cleaning brush to rotate, and the upper and lower spiral reciprocating rotation of the cleaning brush is realized under the action of the spiral groove in the inner wall of the pump body, so that the all-dimensional cleaning is realized; the utility model has reasonable and ingenious structure, and realizes the cleaning by independently arranging the rotating shaft driving cleaning brush, the rotation of the rotating shaft is realized by the push of water power, the structure is simple, a driving device is not required to be independently arranged, the cost is reduced, and the rotating shaft is driven by water power and is not directly linked with the pump shaft, thereby reducing the rotating speed of the rotating shaft, leading the cleaning brush not to carry out quick rotating cleaning, being used for a long time and prolonging the service life of the cleaning brush;

3. the utility model discloses a set up first spring and second spring, the cleaning plate drives the briquetting and supports and press first spring when rotating, first spring is compressed and produces elastic potential energy, elastic potential energy release will support the briquetting and pop out, make to support the briquetting and continue to support and press the second spring, this moment, the second spring is compressed deformation and produces elastic potential energy, elastic potential energy release will support the briquetting and pop out and continue to support and press first spring, thereby make the cleaning plate realize the reciprocal rotation on the guide bar, make the cleaning brush can make a round trip to clean pump body inner wall or helicla flute, the rotation direction that cleans when the cleaning brush is different with the guide bar rotation direction, the bigger frictional force of production, thereby clean pump body inner wall and helicla flute totally, thereby improve cleaning of cleaning brush, prevent that impurity from being stained with the wall and piling up.

Drawings

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

FIG. 2 is a schematic view of the sliding block sliding in the spiral groove;

FIG. 3 is a view of the spiral groove on one side of the pump body;

FIG. 4 is a structural view of a spiral groove on the other side of the pump body;

FIG. 5 is a schematic view of the mounting of the guide bar and the cleaning pan;

FIG. 6 is a cross-sectional view taken along line B-B of FIG. 5;

FIG. 7 is a schematic view of the first and second water inlets;

FIG. 8 is a schematic view of the construction of the rotating shaft and the rotating sleeve;

fig. 9 is an enlarged view of a portion a of fig. 1.

The device comprises a pump shaft 1, a pump body 2, a guide impeller 3, an impeller 4, an activated carbon filter layer 5, a particle filter layer 6, a rotating sleeve 7, a rotating shaft 8, a spiral groove 9, a rotating blade 10, a first water inlet 11, a second water inlet 12, a cleaning brush 13, a sliding block 14, a guide rod 15, a cleaning disc 16, a water outlet bent pipe 17, a waist-shaped groove 18, a pressing block 19, a first spring 20, a second spring 21, an external spline 22, a sewage draining outlet 23 and a gate 24.

Detailed Description

The present invention will be further explained with reference to the following embodiments, which are to be understood as illustrative only and not as limiting the scope of the invention, and modifications of the various equivalent forms of the present invention by those skilled in the art after reading the present invention fall within the scope of the appended claims.

As shown in fig. 1-9, an axial flow pump comprises a pump body 2, wherein a water inlet part is arranged at the lower end of the pump body 2, a water outlet bent pipe 17 is arranged at the upper end of the pump body 2, a conical cylinder is arranged at the bottom end of the pump body 2, an opening at the upper end of the conical cylinder is larger than an opening at the lower end of the conical cylinder, a drain outlet 23 is arranged at the lower end of the conical cylinder, and a gate 24 is arranged at; a pump shaft 1 is arranged in the pump body 2, a guide impeller 3 and an impeller 4 are sequentially arranged at the lower end of the pump shaft 1 from top to bottom, a rotatable filtering piece is arranged below the guide impeller 3 and the impeller 4 at the lower end of the pump body 2, a cleaning device for cleaning the inner wall of the pump body 2 is arranged below the filtering piece, the filtering piece comprises a particle filtering layer 6 and an active carbon filtering layer 5, and the active carbon filtering layer 5 is arranged above the particle filtering layer 6; the cleaning device comprises a rotating shaft 8, the upper end of the rotating shaft 8 is fixedly connected with a filtering piece, the lower end of the rotating shaft 8 is provided with a rotating blade 10, a water inlet part comprises a first water inlet 11 which is arranged at the right side of the pump body 2 and is used for guiding fluid to flow from the front side of the rotating blade 10, and the cleaning device also comprises a second water inlet 12 which is arranged at the left side of the pump body 2 and is used for guiding fluid to flow from the rear side of the rotating blade 10; the first water inlet 11 is positioned on the right side of the pump body 2 and is obliquely arranged towards the rear of the right side, the second water inlet 12 is centrosymmetric with the first water inlet 11, the first water inlet 11 is connected with the front end of the pump body 2 in an arc shape, and the second water inlet 12 is connected with the rear end of the pump body 2 in an arc shape; a rotating sleeve 7 capable of vertically moving up and down along the rotating shaft 8 is circumferentially positioned on the periphery of the rotating shaft 8, external splines 22 are uniformly distributed on the upper part of the rotating shaft 8, and internal splines matched with the external splines 22 are uniformly distributed on the inner wall of the rotating sleeve 7; a guide rod 15 vertical to the rotating shaft 8 is fixed on the rotating sleeve 7, two spiral grooves 9 with opposite spirals are formed in the position, located on the rotating shaft 8, of the inner wall of the pump body 2, the two spiral grooves 9 are intersected and communicated, a sliding block 14 inserted into the spiral grooves 9 in a sliding mode is arranged on the guide rod 15, a cleaning disc 16 is rotatably installed on the periphery of the guide rod 15 close to the inner wall of the pump body 2, and a cleaning brush 13 in contact with the inner wall of the pump body 2 and the inner grooves of the spiral grooves 9 is arranged on one face, facing the inner wall of the pump body; the cleaning disc is provided with a reciprocating assembly for driving the cleaning disc to rotate in a reciprocating mode, the reciprocating assembly comprises a waist-shaped groove 18 which is formed in the inner wall of the cleaning disc and arranged along the circumferential direction, a first spring 20 is arranged at one end of the waist-shaped groove 18, a second spring 21 is arranged at the other end of the waist-shaped groove 18, a space is reserved between the first spring 20 and the second spring 21, a pressing block 19 which is inserted into the space of the waist-shaped groove 18 is arranged on the guide rod 15, and two sides of the pressing block 19 are respectively in contact with the first spring 20 and the second spring 21.

The utility model discloses a concrete working process and principle: the utility model discloses when the axial-flow pump uses, be equipped with guide vane wheel 3 on the pump case on 4 upper portions of impeller, be used for eliminating the rotary motion of liquid, make it become axial motion, and change rotary motion's kinetic energy into pressure energy, inhale pump body 2 with water through first water inlet 11 and second water inlet 12, and then filter the filtration of piece, make the water after the filtration discharge from water outlet elbow 17, wherein, filter the piece and be located guide vane wheel 3 and impeller 4 below setting, make guide vane wheel 3 and impeller 4 submergence in the aquatic after the filtering impurity, thereby reduce the phenomenon that impurity is stained with the wall and blocks up the axial-flow pump; and, the lower of the filter element is equipped with the cleaning device which cleans the inner wall of the pump body 2, and prevents the impurities in the water before filtration from accumulating on the inner wall of the pump body 2, thereby blocking the axial-flow pump, wherein, when the axial-flow pump is used, and water is sucked into the pump body 2 under the action of pressure energy, because of the arrangement of the first water inlet 11, the water sucked into the pump body 2 enters from the right side and flows along the front side of the rotating blade 10, thereby pushing the rotating blade 10 to rotate by the acting force of the water, meanwhile, because of the arrangement of the second water inlet 12, the water sucked into the pump body 2 enters from the left side and flows along the rear side of the rotating blade 10, further assisting to push the rotating blade 10 to rotate by the acting force of the water, and through the arrangement of the first water inlet 11 and the second water inlet 12; at this time, the rotation of the rotating blade 10 drives the rotating shaft 8 to rotate, due to the arrangement of the internal spline and the external spline 22, the rotating sleeve 7 is circumferentially positioned on the rotating shaft 8, so that the rotating sleeve 7 rotates along the rotating shaft 8 and drives the guide rod 15 to rotate, at this time, due to the two spiral grooves 9 with opposite spiral formed on the inner wall of the pump body 2, the sliding block 14 of the guide rod 15 can slide along the two spiral grooves 9, due to the circumferential positioning of the rotating sleeve 7 on the rotating shaft 8, the rotating sleeve 7 can drive the guide rod 15 to move up and down along the rotating shaft 8, therefore, as shown in fig. 2, the sliding block 14 on the guide rod 15 can realize up and down spiral rotation along the spiral grooves 9, the sliding block 14 spirally moves down along one of the spiral grooves 9, when moving to the lowest end, because the spiral directions of the two spiral grooves 9 are opposite and are communicated, at this time, therefore, the sliding block 14 drives the guide rod 15 to realize the up-and-down spiral reciprocating motion, at the same time, the motion of the guide rod 15 drives the cleaning disc 16 to realize the up-and-down spiral reciprocating motion, wherein the cleaning disc 16 can be rotatably installed on the guide rod 15, when the guide rod 15 drives the cleaning disc 16 to rotate, the cleaning disc 16 is acted by force to realize rotation, and the axial-flow pump sucks water into the pump body 2, the acting force of the water pushes the cleaning disc 16 to rotate, at the same time, under the action of the first spring 20 and the second spring 21, the cleaning disc 16 drives the pressing block 19 to press the first spring 20 when rotating, the first spring 20 is compressed to generate elastic potential energy, the elastic potential energy is released to eject the pressing block 19 to continuously press the second spring 21, at the same time, the second spring 21 is compressed and deformed to generate elastic potential energy, the elastic potential energy is released to eject the pressing block 19 to continuously press the first spring 20, thereby make sweeping disk 16 realize the reciprocating motion on the guide bar 15 for sweeping brush 13 can make a round trip to clean 2 inner walls of the pump body or helicla flute 9, and the rotation direction that cleans when sweeping brush 13 is different with 15 rotation directions of guide bar, the bigger frictional force of production, thereby clean 2 inner walls of the pump body and helicla flute 9 totally, prevent that impurity from being stained with the wall and piling up.

Claims

1. The utility model provides an axial-flow pump, includes the pump body, and pump body lower extreme is equipped with the portion of intaking, and pump body upper end is equipped with out the water return bend, be equipped with the pump shaft in the pump body, the pump shaft lower extreme is equipped with impeller and impeller, its characterized in that from last to down in proper order: the lower end of the pump body is positioned below the guide impeller and the impeller, a rotatable filter piece is arranged below the filter piece, a cleaning device for cleaning the inner wall of the pump body is arranged below the filter piece, the cleaning device comprises a rotating shaft, the upper end of the rotating shaft is fixedly connected with the filter piece, the lower end of the rotating shaft is provided with a rotating blade, the water inlet part comprises a first water inlet which is arranged on the right side of the pump body and used for guiding fluid to flow from the front side of the rotating blade, and the cleaning device also comprises a second water inlet which is arranged on the left side of the; the periphery circumference location of axis of rotation has the rotation cover that can follow the vertical up-and-down motion of axis of rotation, rotates the guide bar that the cover is fixed with the perpendicular to axis of rotation, two helicla flutes that the spiral is opposite are seted up to the position that pump body inner wall is located the axis of rotation, and two helicla flutes are crossing and are linked together, the guide bar is equipped with the sliding block that slides and insert in the helicla flute, and the guide bar periphery is close to pump body inner wall and can installs cleaning disc with rotating, and cleaning disc is just being equipped with the cleaning brush with pump body inner wall and helicla flute inslot contact.

2. The axial flow pump of claim 1, wherein: the cleaning disc is provided with a reciprocating assembly for driving the cleaning disc to rotate in a reciprocating mode, the reciprocating assembly comprises a waist-shaped groove arranged on the inner wall of the cleaning disc along the circumferential direction, a first spring is arranged at one end of the waist-shaped groove, a second spring is arranged at the other end of the waist-shaped groove, an interval is reserved between the first spring and the second spring, the guide rod is provided with a pressing block inserted into the interval of the waist-shaped groove, and two sides of the pressing block are respectively in contact with the first spring and the second spring.

3. The axial flow pump of claim 1, wherein: the bottom end of the pump body is provided with a conical cylinder, the upper end opening of the conical cylinder is larger than the lower end opening of the conical cylinder, the lower end of the conical cylinder is provided with a drain outlet, and a gate is arranged at the drain outlet.

4. The axial flow pump of claim 1, wherein: the upper portion of the rotating shaft is evenly distributed with external splines, and the inner wall of the rotating sleeve is evenly distributed with internal splines matched with the external splines.

5. The axial flow pump of claim 1, wherein: the first water inlet is located the pump body right side and sets up towards the slope of right side rear, the second water inlet is central symmetry with first water inlet.

6. The axial flow pump of claim 5, wherein: the first water inlet is connected with the front end of the pump body in an arc shape, and the second water inlet is connected with the rear end of the pump body in an arc shape.

7. The axial flow pump of claim 1, wherein: the filter piece comprises a particle filtering layer and an activated carbon filtering layer, and the activated carbon filtering layer is positioned above the particle filtering layer.