CN216617909U - Novel prevent blockking up impeller for pump - Google Patents

Abstract

The utility model discloses a novel anti-blocking impeller for a pump, which comprises a base, wherein a motor and a pump head are fixed on the base, and the motor is in transmission connection with the pump head; the pump head comprises a shell and a power shaft, the power shaft is in transmission connection with a motor, a pump blade part is fixed on the power shaft, and an impeller part is positioned in the shell; the impeller part comprises a cutting assembly, a filter screen, a vibration assembly and a pump blade which are sequentially arranged in the water flow direction; the pump blade is arranged at one side close to the motor; the cutting assembly is fixedly connected with the power shaft. The water pump has a simple structure, is convenient to use, can effectively reduce the problems of insufficient water pressure and idling of the water pump caused by the fact that impurities block a water inlet when external impurities enter the pump head of the water pump, and can also effectively prevent the external impurities from damaging pump blades and mechanical seal; the water pump is prevented from being fed with water, the motor is burnt, the working efficiency of the water pump is effectively improved, and the service life of the water pump is effectively prolonged.

Description

Novel prevent blockking up impeller for pump

Technical Field

The utility model relates to the technical field of water pumps, in particular to a novel anti-blocking impeller for a pump.

Background

The water pump is widely applied to various fields of domestic water, mine emergency, industrial cooling, farmland irrigation, seawater lifting, ship load regulation and the like, the water pump blade is made of metal, the blade on the water pump blade plays a main role, the shape and the size of the water pump blade are closely related to the performance of the water pump, the water pump blade can be divided into a single suction type pump blade and a double suction type pump blade, the single suction type pump blade absorbs water on one side, the small flow water pump blade is mostly of the type, the double suction type pump blade absorbs water on two sides, and the large flow water pump blade adopts the double suction type pump blade.

However, for some special circumstances, water pumps often face clogging problems. The existing partial water pump has complex using environment water quality, such as a sewage pump and the like, more silt and more sundries, even sundries including plastic bags and the like, easily cause the winding of sundries on a pump blade, and the blockage, so that the deformation of the outer end mechanical seal, the abrasion in the water pump, the failure of the mechanical seal, the water inlet of a motor, the frequent alarm of the pump, the increase of maintenance times, and even the burnout of the motor; and if the blade placement angles are inconsistent, operation vibration can be caused, the cavitation performance of the pump is also deteriorated, the abrasion in the water pump can be caused, and the service life of the water pump is influenced. Therefore, there is a need for a new anti-clogging impeller for a pump to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel anti-clogging pump impeller, which is used for solving the problems in the prior art.

In order to achieve the purpose, the utility model provides the following scheme: the utility model provides a novel anti-blocking impeller for a pump, which comprises a base, wherein a motor and a pump head are fixed on the base, and the motor is in transmission connection with the pump head;

the pump head comprises a shell and a power shaft, the power shaft is in transmission connection with the motor, a pump blade part is fixed on the power shaft, and the pump blade part is positioned in the shell;

the pump blade part comprises a cutting assembly, a filter screen, a vibration assembly and a pump blade which are sequentially arranged in the water flow direction; the pump blade is arranged at one side close to the motor;

the cutting assembly is fixedly connected with the power shaft; the cutting assembly is used for cutting or blocking sundries with large volumes in water flow;

the filter screen is rotationally connected with the power shaft and is used for filtering sundries in water flow;

the vibration assembly is rotatably connected with the power shaft and is used for preventing sundries from accumulating in the front and at the back of the filter screen and blocking water flow;

the pump blade is fixedly connected with the power shaft and used for pumping water.

Preferably, the power shaft comprises a first shaft, a second shaft and a third shaft which are connected in sequence; one end of the third shaft, which is far away from the second shaft, is in transmission connection with an output shaft of the motor; the cutting assembly is fixedly connected with the first shaft, the filter screen and the vibration assembly are respectively rotatably connected with the second shaft, and the pump blade is fixedly connected with the third shaft.

Preferably, the cutting assembly comprises a first sleeve, the inner wall of the first sleeve is fixedly connected with the outer wall of the first shaft, and a plurality of cutting edges are fixed on the outer wall of the first sleeve at equal intervals in the circumferential direction; the cutting edge comprises a chisel edge and a longitudinal edge, the chisel edge is fixedly connected with the first sleeve in a perpendicular mode, the longitudinal edge is fixedly connected with one end, far away from the first sleeve, of the chisel edge in a perpendicular mode, and the longitudinal edge is parallel to the first sleeve.

Preferably, the vibration assembly comprises a second sleeve sleeved on the second shaft, and the second sleeve is fixedly connected with the inner wall of the shell through a plurality of fixing rods; the circumference is equidistant sliding connection has a plurality of vibrating arms on the second sleeve, the one end of vibrating arm with second shaft sliding connection, the other end of vibrating arm with the connection can be dismantled to the inner wall of shell.

Preferably, a cam is fixed on the second shaft, the cam is arranged corresponding to the second sleeve, and the vibrating rod is connected with the cam in a sliding manner.

Preferably, the vibrating rod comprises a connecting rod which is connected with the second sleeve in a sliding manner, one end of the connecting rod is connected with the cam in a sliding manner, and a vibrating hammer is fixed at the other end of the connecting rod; a limiting ring is fixed on the connecting rod, a spring is connected between the limiting ring and the inner wall of the second sleeve, and the spring is sleeved on the connecting rod.

Preferably, the pump blade comprises a third sleeve, and the inner wall of the third sleeve is fixedly connected with the third shaft; a plurality of blades are fixed on the outer wall of the third sleeve at equal intervals in the circumferential direction, the size of each blade is matched with the inner cavity of the shell, a bottom plate is fixed on one side, close to the motor, of each blade and one side, close to the motor, of the third sleeve, and the bottom plate is fixedly connected with the power shaft.

Preferably, the inner wall of the third sleeve and the outer wall of the third shaft are respectively provided with a key groove which is correspondingly arranged, and a spline is detachably connected in the key groove.

The utility model discloses the following technical effects: according to the utility model, the motor drives the power shaft to rotate in the housing of the pump head, so as to drive the pump blade on the power shaft to rotate, and external water flow is pumped from the water inlet of the pump head to the water outlet through the pump blade part, so that a water pumping process is completed; the pump blade part comprises a cutting assembly, a filter screen, a vibration assembly and pump blades which are sequentially arranged along the water flow direction, the water flow cuts impurities in the water flow through the cutting assembly, then the water flow is filtered through the filter screen, the impurities with larger particles are intercepted by the filter screen, and then the water flow is continuously cut, so that the impurities in the water flow, such as plants, plastics, sand stones and the like, are prevented from blocking a water inlet and winding the pump blades, the rotation of the pump blades is slowed down, the pressure is reduced, the pump blades are deformed, and even the motor is burnt due to the stop of the pump blades; the water flow passing through the filter screen passes through the vibration assembly again and reaches the position of the pump blade, and the rotating pump blade pumps the water flow into the water outlet; the vibration subassembly is circulating vibration under the drive of power shaft, prevents that impurity from piling up in the filter screen both sides, blocks up the filter screen, and the inflow reduces, leads to the idle running of pump leaf even, and the pump influences the pump water because the not enough warning of water pressure, and the idle running of pump also influences the life-span of water pump. The water pump has a simple structure, is convenient to use, can effectively reduce the problems of insufficient water pressure and idling of the water pump caused by the fact that impurities block a water inlet when external impurities enter the pump head of the water pump, and can also effectively prevent the external impurities from damaging pump blades and mechanical seal; the water pump is prevented from water inflow, the motor is burnt, and the working efficiency and the service life of the water pump are effectively improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.

FIG. 1 is a front view of the novel anti-clogging pump impeller of the present invention;

FIG. 2 is a three-dimensional view of a pump head of the present invention;

FIG. 3 is a front view of the pump head of the present invention;

FIG. 4 is a schematic diagram of a pump head according to the present invention;

FIG. 5 is a three-dimensional view of a pump blade according to the present invention;

FIG. 6 is a front view of the pumping vane of the present invention;

FIG. 7 is a schematic structural view of the vibration assembly of the present invention;

FIG. 8 is a three-dimensional view of the cutting assembly of the present invention;

wherein, 1, a base; 2. a motor; 3. a pump head; 4. a housing; 5. a power shaft; 6. a cutting assembly; 7. filtering with a screen; 8. a vibrating assembly; 9. a pump blade; 401. a water inlet; 402. a water outlet; 501. a first shaft; 502. a second shaft; 503. a third axis; 504. a connecting flange; 505. a connecting bolt; 506. sealing the bearing; 601. a first sleeve; 602. a cutting edge; 603. a chisel edge; 604. a longitudinal edge; 605. a first fastening nut; 801. a second sleeve; 802. fixing the rod; 803. a vibrating rod; 804. a cam; 805. a connecting rod; 806. a vibratory hammer; 807. a limiting ring; 808. a spring; 901. a third sleeve; 902. a blade; 903. a base plate; 904. a keyway; 905. a spline; 906. a water guide cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Referring to fig. 1-8, the utility model provides a novel anti-clogging impeller for a pump, which comprises a base 1, wherein a motor 2 and a pump head 3 are fixed on the base 1, and the motor 2 is in transmission connection with the pump head 3;

the pump head 3 comprises a shell 4 and a power shaft 5, the power shaft 5 is in transmission connection with the motor 2, a pump blade part is fixed on the power shaft 5, and the pump blade part is positioned in the shell 4; the motor 2 drives the pump blade part in the pump head 3 to pump water;

the pump blade part comprises a cutting component 6, a filter screen 7, a vibration component 8 and a pump blade 9 which are sequentially arranged according to the water flow direction; the pump vane 9 is arranged on the side close to the motor 2.

In a further optimization scheme, the power shaft 5 comprises a first shaft 501, a second shaft 502 and a third shaft 503 which are sequentially connected; one end of the third shaft 503, far away from the second shaft 502, is in transmission connection with an output shaft of the motor 2; the cutting assembly 6 is fixedly connected with a first shaft 501, the filter screen 7 and the vibration assembly 8 are respectively and rotatably connected with a second shaft 502, and the pump blade 9 is fixedly connected with a third shaft 503; the power shaft 5 is of a stepped structure, wherein the second shaft 502 and the third shaft 503 partially extend into the water inlet 401 of the shell 4, the shaft diameter is reduced, the influence on the water inlet area of the water inlet 401 can be reduced, and the water inflow is increased.

The cutting assembly 6 is fixedly connected with the power shaft 5; the cutting assembly 6 is used for cutting or blocking sundries with large volume in water flow; the cutting assembly 6 comprises a first sleeve 601, the inner wall of the first sleeve 601 is fixedly connected with the outer wall of the first shaft 501, and a plurality of cutting edges 602 are fixed on the outer wall of the first sleeve 601 at equal intervals in the circumferential direction; the cutting edge 602 comprises a chisel edge 603 and a longitudinal edge 604, the chisel edge 603 is vertically fixedly connected with the first sleeve 601, the longitudinal edge 604 is vertically fixed at one end of the chisel edge 603 far away from the first sleeve 601, and the longitudinal edge 604 is parallel to the first sleeve 601; the cutting blade 602 is used for cutting the common sundries such as the grass vines, leaves, plastic bags and the like entering the near water gap along with the water flow and the sand and stone, so that the common sundries can not damage the pump blades 9 and the inner cavity of the shell 4; the first sleeve 601 is fixedly connected with the third shaft 503, the chisel edge 603 is fixedly connected with the first sleeve 601, when the first shaft 501 rotates, the chisel edge 603 is driven to rotate through the first sleeve 601, the chisel edge 603 is provided with a blade in the rotating direction to cut up sundries, the tail end of the chisel edge 603 is fixed with a longitudinal blade 604, and the longitudinal blade 604 is provided with blades in the rotating direction of the first shaft 501 and in the water flow inflow direction to cut up the sundries flowing in from the head to the tail.

Further, to facilitate mounting and dismounting, the cutting blade 602 is fixed to the first shaft 501 by a first fastening nut 605.

According to the further optimized scheme, the filter screen 7 is rotatably connected with the power shaft 5, and the filter screen 7 is used for filtering sundries in water flow; the filter screen 7 is of an annular structure, the inner side and the outer side are both lock edges, the middle part is a screen, and the mesh number of the screen is selected according to the use environment of the water pump; the outer side edge of the filter screen 7 is fixedly connected with the inner wall of the shell 4, and the inner side edge of the filter screen 7 is sleeved on the second shaft 502 and is not contacted with the second shaft 502; the filter screen 7 is used for filtering sundries cut by the cutting blade 602, the particle size of the foreign particles is smaller than that of meshes of the filter screen 7, the foreign particles can pass through the vibrating component 8, the foreign particles with the particle size larger than that of the meshes are intercepted, and the foreign particles are accumulated in front of the filter screen 7 or are drawn into the cutting blade 602 again along with the turbulent flow of water flow for cutting; the filter screen 7 is fixed with the inner wall of the shell 4 but not with the second shaft 502, so that the installation is more convenient.

According to the further optimized scheme, the vibration assembly 8 is rotatably connected with the power shaft 5, and the vibration assembly 8 is used for preventing sundries from accumulating in front of and behind the filter screen 7 and blocking water flow; the vibration component 8 comprises a second sleeve 801 sleeved on the second shaft 502, and the second sleeve 801 is fixedly connected with the inner wall of the shell 4 through a plurality of fixing rods 802; a plurality of vibrating rods 803 are circumferentially and equidistantly slidably connected to the second sleeve 801, one end of each vibrating rod 803 is slidably connected with the second shaft 502, and the other end of each vibrating rod 803 is detachably connected with the inner wall of the shell 4; a cam 804 is fixed on the second shaft 502, the cam 804 is arranged corresponding to the second sleeve 801, and a vibrating rod 803 is connected with the cam 804 in a sliding manner; the vibrating rod 803 comprises a connecting rod 805 which is connected with the second sleeve 801 in a sliding way, one end of the connecting rod 805 is connected with the cam 804 in a sliding way, and the other end of the connecting rod 805 is fixed with a vibrating hammer 806; a limiting ring 807 is fixed on the connecting rod 805, a spring 808 is connected between the limiting ring 807 and the inner wall of the second sleeve 801, and the spring 808 is sleeved on the connecting rod 805; the inner diameter of the second sleeve 801 is larger than the shaft diameter of the second shaft 502, so that the inner edge of the second sleeve 801 is not in contact with the second shaft 502, and the outer edge of the second sleeve 801 is fixedly fixed with the inner wall of the shell 4 through a plurality of fixing rods 802, so that the second sleeve 801 does not rotate along with the second shaft 502; a cam 804 is fixedly sleeved on the second shaft 502, the cam 804 is positioned in the second sleeve 801, the cross section of the cam 804 is oval, the long axis of the oval is smaller than the inner diameter of the second sleeve 801, a joint spring 808 is connected between a limiting ring 807 on the connecting rod 805 and the inner wall of the second sleeve 801, the spring 808 is sleeved on the connecting rod 805, when the connecting rod 805 is forced to slide outwards of the second sleeve 801, the spring 808 is compressed and contracted, when the external force disappears, the spring 808 rebounds, and the connecting rod 805 is pushed back to the original position by pushing the limiting ring 807; when the connecting rod 805 moves outwards from the second spring 808, the vibration hammer 806 moves to the limit close to the inner wall of the shell 4 due to the maximum compression stroke limit of the spring 808; when the cam 804 is driven by the second shaft 502 to rotate at a high speed, the long shaft and the short shaft of the cam 804 are respectively contacted with the tail end of the connecting rod 805 in sequence, when the cam 804 is contacted with the connecting rod 805 from the short shaft to the outer edge of the long shaft, the cam 804 pushes the connecting rod 805 to slide on the second sleeve 801 in the direction away from the second shaft 502, when the stroke of the connecting rod 805 is farthest, the long shaft of the cam 804 is opposite to the connecting rod 805, and the vibrating hammer 806 is close to the inner wall of the shell 4; when the cam 804 rotates at a high speed along with the second shaft 502, each vibrating rod 803 reciprocates in the radial direction under the elastic force of the cam 804 and the spring 808; because the vibration component 8 is arranged close to the filter screen 7, the vibration hammer 806 reciprocates along with the connecting rod 805 to vibrate nearby water flow, so that impurities nearby the filter screen 7 cannot be deposited, and the water inlet 401 is prevented from being blocked; meanwhile, the turbulence caused by the vibration hammer 806 can also vibrate impurities which do not meet the filtering requirement after the cutting edge 602 is cut or are not cut to be contacted with the cutting edge 602 again, and the impurities are cut again, so that the impurity accumulation in front of the filter screen 7 is further reduced.

According to the further optimized scheme, the pump blade 9 is fixedly connected with the power shaft 5, and the pump blade 9 is used for water pumping operation; the pump blade 9 comprises a third sleeve 901, and the inner wall of the third sleeve 901 is fixedly connected with a third shaft 503; a plurality of blades 902 are fixed on the outer wall of the third sleeve 901 at equal intervals in the circumferential direction, the size of each blade 902 is matched with the inner cavity of the shell 4, a bottom plate 904903 is fixed on one side, close to the motor 2, of each blade 902 and the third sleeve 901, and the bottom plate 904903 is fixedly connected with the power shaft 5; key grooves which are correspondingly arranged are respectively formed in the inner wall of the third sleeve 901 and the outer wall of the third shaft 503, and splines 905 are detachably connected in the key grooves; the third sleeve 901 is fixedly sleeved on the third shaft 503, a plurality of blades 902 are fixed on the outer wall of the third sleeve 901, one sides of the third sleeve 901 and the blades 902 facing the motor 2 are jointly fixed on the bottom plate 904903, the bottom plate 904903 is fixedly connected with the third shaft 503, the bottom plate 904903 strengthens the strength of the blades 902, and reduces the probability of deformation of the blades 902; a water guide cavity 905 is formed between the adjacent blade 902 and the inner wall of the shell 4, the bending direction of the blade 902 is opposite to the rotating direction of the third shaft 503, when the third shaft 503 rotates, the blade 902 is driven to rotate through the third sleeve 901, the water guide cavity 905 also rotates along with the third sleeve, the centrifugal force generated by the rotation of the water guide cavity 905 and the blade 902 throws out the water in the water guide cavity 905 from the water outlet 402, so that negative pressure is formed in the water guide cavity 905, and then the external water flow is sucked into the water guide cavity 905 from the water inlet 401, and the process of pumping the water flow from the water inlet 401 to the water outlet 402 is realized in a cycle; key grooves which are arranged oppositely are formed in the outer side wall of the third shaft 503 and the inner wall of the third sleeve 901, a spline 905 is inserted in each key groove, and the spline 905 is clamped in each key groove, so that the third sleeve 901 and the third shaft 503 cannot rotate relatively, and the pump blade 9 and the third shaft 503 are fixed more firmly; meanwhile, the key groove enables the pump blade 9 and the third shaft 503 to correspond accurately, and the corresponding deviation is prevented from causing the inaccurate angle of the pump blade 9, so that the efficiency of the water pump is influenced.

Further, a third shaft 503 behind the base 1 is provided with a limit, and a third sleeve 901 is in threaded connection with the third shaft 503 through a second fastening nut to tightly press the pump blade 9 on the third shaft 503; meanwhile, when the pump vane 9 is disassembled in the later period, the second fastening nut is screwed off, and the spline 905 is pulled out.

Further, a connecting flange 504 is fixed on one end of the third shaft 503 facing the motor 2; the tail end of the output shaft of the motor 2 is also fixed with a connection flange 504 which is matched with the tail end of the output shaft, the two connection flanges 504 are fixed through a connection bolt 505, the torque output by the motor 2 is transmitted to a third shaft 503 through the bolt and the connection flange 504, finally, the whole power shaft 5 and the pump blade part on the power shaft 5 are driven to work, the connection flange 504 is firm in connection, the torque transmission efficiency is high, and meanwhile, later maintenance and overhaul are facilitated.

Furthermore, in order to prevent water in the pump head 3 from flowing out and causing water entering the motor 2 to be burnt, a sealing bearing 506 is arranged at a position where the third shaft 503 penetrates through the housing 4, the outer wall of the sealing bearing 506 is fixedly connected with the housing 4, and the inner wall of the sealing bearing 506 is fixedly connected with the third shaft 503; for the convenience of modularization management, the sealed bearing 506 is preferably a UCF315 mechanical industry spherical outside surface bearing or a 6412-2RS high precision sealed bearing 506, when the third shaft 503 rotates, the sealed bearing 506 does not affect the rotation of the third shaft 503, and simultaneously, water in the shell 4 cannot leak and flow out to cause water entering the motor 2 to be burnt.

The using method comprises the following steps:

connecting a water inlet 401 of the pump head 3 with an upper water inlet pipe (not shown in the figure), arranging a barrier net at the inlet of the water inlet pipe, and primarily filtering impurities with large volume; the water is filled in the pump head 3 through the water inlet 401 to discharge the air in the water guide cavity 905, and then the water outlet 402 of the pump head 3 is connected with the water outlet pipe (not shown in the figure) and is stretched to a preset position, and the preliminary preparation work is completed without exceeding the lift of the water pump.

The motor 2 is powered on (not shown in the figure) and started, and the motor 2 starts to rotate; the motor 2 transmits torque to the third shaft 503 through the connecting flange 504, and drives the third shaft 503, the second shaft 502 and the first shaft 501 to rotate simultaneously; the third shaft 503 drives the pump blade 9 to rotate, the blade 902 and the water guide cavity 905 of the pump blade 9 rotate along with the pump blade, and the centrifugal force generated by the rotation of the water guide cavity 905 and the blade 902 throws the water in the water guide cavity 905 out of the water outlet 402, so that negative pressure is formed in the water guide cavity 905, and then the external water flow is sucked into the water guide cavity 905 from the water inlet 401, and the operation is repeated, so that the purpose of pumping the water flow from the water inlet 401 to the water outlet 402 is realized; after being primarily filtered by the barrier net, water flows into the water inlet 401 from the water inlet pipe, and the cutting edge 602 rotates at a high speed along with the first shaft 501; the cross blade 603 and the longitudinal blade 604 chop the impurities entering from the barrier for the first time, and if the particle size of the crushed impurities is smaller than the mesh of the filter screen 7, the crushed impurities pass through the filter screen 7, finally enter the water guide cavity 905 between the blades 902 after passing through the vibration assembly 8, and then are pumped out from the water outlet 402 to the water outlet pipe along with the rotation of the pump blade 9 and the water guide cavity 905 to finally reach the preset position; if the particle size of the impurities is larger than the meshes of the filter screen 7, the impurities are blocked by the filter screen 7 and are intercepted in front of the filter screen 7; when the second shaft 502 of the vibration assembly 8 rotates, the cam 804 is driven to rotate along with the rotation, and each vibration rod 803 performs radial reciprocating motion under the action of the elastic force of the cam 804 and the spring 808; because the vibration component 8 is arranged close to the filter screen 7, the vibration hammer 806 reciprocates along with the connecting rod 805 to vibrate nearby water flow, so that impurities nearby the filter screen 7 cannot be deposited, and the water inlet 401 is blocked; meanwhile, the turbulence caused by the vibration hammer 806 can contact the impurities which do not meet the filtering requirement after the cutting edge 602 is cut or are not cut with the cutting edge 602 again, and the impurities are cut again, so that the impurity accumulation in front of the filter screen 7 is further reduced.

The cutting edge 602, the filter screen 7, the vibration component 8 and the pump blade 9 are mutually matched to finish the water pumping work, and the probability of the blockage of the pump head 3 is effectively reduced.

The water pump has the advantages of simple structure and convenient use, can effectively reduce the problems of insufficient water pressure and idling of the water pump caused by the blockage of the water inlet 401 by impurities due to the fact that the impurities enter the pump head 3 of the water pump, can also effectively prevent the pump blades 9 and the seal bearing 506 from being damaged by the impurities, prevents the water from entering the water pump, burns the motor 2, and effectively improves the working efficiency and the service life of the water pump.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims (8)

1. The utility model provides a novel prevent blockking up impeller for pump, includes base (1), be fixed with motor (2) and pump head (3) on base (1), motor (2) with pump head (3) transmission is connected, its characterized in that: the pump head (3) comprises a shell (4) and a power shaft (5), the power shaft (5) is in transmission connection with the motor (2), and a pump blade part is fixed on the power shaft (5) and is positioned in the shell (4);

the pump blade part comprises a cutting component (6), a filter screen (7), a vibration component (8) and a pump blade (9) which are sequentially arranged in the water flow direction; the pump blade (9) is arranged at one side close to the motor (2);

the cutting assembly (6) is fixedly connected with the power shaft (5); the cutting assembly (6) is used for cutting or blocking sundries with large volume in water flow;

the filter screen (7) is rotatably connected with the power shaft (5), and the filter screen (7) is used for filtering sundries in water flow;

the vibration assembly (8) is rotatably connected with the power shaft (5), and the vibration assembly (8) is used for preventing sundries from being accumulated in the front and at the back of the filter screen (7) to block water flow;

the pump blade (9) is fixedly connected with the power shaft (5), and the pump blade (9) is used for pumping water.

2. The impeller for the novel anti-clogging pump according to claim 1, is characterized in that: the power shaft (5) comprises a first shaft (501), a second shaft (502) and a third shaft (503) which are connected in sequence; one end of the third shaft (503), which is far away from the second shaft (502), is in transmission connection with an output shaft of the motor (2); cutting assembly (6) with first axle (501) rigid coupling, filter screen (7) with vibrate subassembly (8) respectively with second axle (502) rotate and are connected, pump leaf (9) with third axle (503) rigid coupling.

3. The impeller for the novel anti-clogging pump according to claim 2, is characterized in that: the cutting assembly (6) comprises a first sleeve (601), the inner wall of the first sleeve (601) is fixedly connected with the outer wall of the first shaft (501), and a plurality of cutting edges (602) are fixed on the outer wall of the first sleeve (601) at equal intervals in the circumferential direction; the cutting edge (602) comprises a chisel edge (603) and a longitudinal edge (604), the chisel edge (603) is vertically fixedly connected with the first sleeve (601), the longitudinal edge (604) is vertically fixed at one end of the chisel edge (603) far away from the first sleeve (601), and the longitudinal edge (604) is parallel to the first sleeve (601).

4. The impeller for the novel anti-clogging pump according to claim 2, is characterized in that: the vibration component (8) comprises a second sleeve (801) sleeved on the second shaft (502), and the second sleeve (801) is fixedly connected with the inner wall of the shell (4) through a plurality of fixing rods (802); a plurality of vibrating rods (803) are connected to the second sleeve (801) in a sliding mode in the circumferential direction at equal intervals, one end of each vibrating rod (803) is connected with the second shaft (502) in a sliding mode, and the other end of each vibrating rod (803) is connected with the inner wall of the shell (4) in a detachable mode.

5. The impeller for the novel anti-clogging pump according to claim 4, is characterized in that: the second shaft (502) comprises a cam (804), the cam (804) is arranged corresponding to the second sleeve (801), and the vibrating rod (803) is in sliding contact with the cam (804).

6. The impeller for the novel anti-clogging pump according to claim 5, is characterized in that: the vibrating rod (803) comprises a connecting rod (805) which is connected with the second sleeve (801) in a sliding mode, one end of the connecting rod (805) is in sliding contact with the cam (804), and a vibrating hammer (806) is fixed to the other end of the connecting rod (805); a limiting ring (807) is fixed on the connecting rod (805), a spring (808) is connected between the limiting ring (807) and the inner wall of the second sleeve (801), and the spring (808) is sleeved on the connecting rod (805).

7. The impeller for the novel anti-clogging pump according to claim 2, is characterized in that: the pump blade (9) comprises a third sleeve (901), and the inner wall of the third sleeve (901) is fixedly connected with the third shaft (503); a plurality of blades (902) are fixed on the outer wall of the third sleeve (901) at equal intervals in the circumferential direction, the size of each blade (902) is matched with the inner cavity of the shell (4), a bottom plate (903) is fixed on one side, close to the motor (2), of each blade (902) and the third sleeve (901), and the bottom plate (903) is fixedly connected with the power shaft (5).

8. The novel anti-clogging pump impeller according to claim 7, wherein: the inner wall of the third sleeve (901) and the outer wall of the third shaft (503) are respectively provided with a key groove (904) which is correspondingly arranged, and a spline (905) is detachably connected in the key groove (904).

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