CN213808113U

CN213808113U - Directional water pump

Info

Publication number: CN213808113U
Application number: CN202022094593.6U
Authority: CN
Inventors: 陈校波; 陈宝红; 戴志鹏; 叶峰
Original assignee: Zhejiang Weibang Electromechanical Technology Co ltd
Current assignee: Zhejiang Weibang Electromechanical Technology Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-07-27
Anticipated expiration: 2030-09-22

Abstract

The utility model discloses a directional water pump aims at solving current water pump structure complicacy, with high costs not enough. The utility model discloses an including pump seat, stator, permanent magnet rotor, be equipped with the pump chamber in the pump seat, be equipped with on the pump seat with inlet, the liquid outlet of pump chamber intercommunication, the directional blade of installation on the permanent magnet rotor, the pump intracavity is arranged in to directional blade, the stator includes iron core and coil, the permanent magnet rotor is installed in the iron core, the installation is used for controlling the directional pivoted circuit board of permanent magnet rotor in the pump seat. When the directional water pump works, the circuit board controls the permanent magnet rotor to rotate according to a set direction, so that directional rotation is realized. The directional blades rotate along with the permanent magnet rotor, so that water flow enters from the liquid inlet and is discharged from the liquid outlet after passing through the pump cavity. The directional water pump has the advantages of simple structure, low cost and good universality, and can be applied to various scenes needing pumping and draining.

Description

Directional water pump

Technical Field

The utility model relates to a water pump, more specifically say, it relates to a directional water pump.

Background

The water pump matched with the existing swimming pool generally uses a squirrel-cage induction water pump and an alternating current permanent magnet synchronous water pump as power sources of a filtering water medium, and the water pumps have complex structures and high cost. The during operation of water pump filters rivers, gets rid of aquatic impurity, but the filter pump that uses at present generally only has the fine filtration function, and the function is single, and has great impurity in the pond, like leaf class object, behind this type of impurity suction filter pump, not only causes the jam of filter core easily, but also can cause the jam of water inlet.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model provides a directional water pump, which realizes two purposes, namely, the directional water pump has simple structure and low cost; secondly, the directional water pump makes the water flow carry out the coarse filtration before passing through the filter core, promotes filter core availability factor, makes the difficult jam of filter core.

In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides a directional water pump, includes pump seat, stator, permanent magnet rotor, is equipped with the pump chamber in the pump seat, is equipped with inlet, the liquid outlet with the pump chamber intercommunication on the pump seat, installs directional blade on the permanent magnet rotor, and directional blade arranges the pump chamber in, and the stator includes iron core and coil, and the permanent magnet rotor is installed in the iron core, and the installation is used for controlling the directional pivoted circuit board of permanent magnet rotor in the pump seat.

When the directional water pump works, the circuit board controls the permanent magnet rotor to rotate according to a set direction, so that directional rotation is realized. The directional blades rotate along with the permanent magnet rotor, so that water flow enters from the liquid inlet and is discharged from the liquid outlet after passing through the pump cavity. The directional water pump has the advantages of simple structure, low cost and good universality, and can be applied to various scenes needing pumping and draining.

Preferably, the iron core is of a U-shaped structure, a Hall element for detecting the magnetism of the permanent magnet rotor is installed in the pump seat, and the Hall element is installed at the position of a U-shaped opening of the iron core.

The Hall element detects the magnetic core at the initial position of the permanent magnet rotor, so that the directional control of the permanent magnet rotor is conveniently realized.

Preferably, a Hall fixing ring is installed in the pump base, the Hall element is installed on the Hall fixing ring, the end part of the permanent magnet rotor is rotatably installed on the Hall fixing ring, and the Hall fixing ring is fixedly connected with the stator. The Hall fixing ring facilitates the installation of the Hall element and the permanent magnet rotor.

Preferably, the pump seat is connected with the pump cover and the pump cover buckle, and the upper end of the permanent magnet rotor is rotatably arranged on the pump cover; the pump cover buckle is fixedly connected with the pump base, and the pump cover is arranged between the pump cover buckle and the pump base. This structural arrangement facilitates the mounting arrangement of the permanent magnet rotor and the directional blades.

Preferably, the pump seat is connected with the pump body, a filter cavity is arranged in the pump body, a filter element is arranged in the filter cavity, a water inlet communicated with the filter cavity is arranged on the pump body, a coarse filter screen is arranged at the position of the water inlet, and the filter element is connected between the filter cavity and a liquid inlet of the pump seat.

When the directional water pump works, the directional blades rotate to drive water flow to flow from the water inlet to the liquid outlet, the water flow is firstly subjected to rough filtration through the rough filter screen, larger impurities are blocked outside, the situation that the larger impurities enter the filter to cause the blockage of the filter element is avoided, and the service efficiency of the filter element is improved. The water flow after rough filtration is filtered by the filter element for fine filtration and finally discharged from the liquid outlet. The directional water pump makes water flow carry out the colating before passing through the filter core, promotes filter core availability factor, makes the difficult jam of filter core.

Preferably, the water inlet on the pump body is detachably connected with a filter joint, and the coarse filter screen is arranged between the filter joint and the pump body. The connection can be dismantled on the pump body to the filter joint, and the coarse strainer is installed between the filter joint and the pump body, is convenient for dismantle the clearance to the filter screen.

Preferably, the coarse strainer is of a bowl-shaped structure, and a plurality of filtering holes are formed in the bottom surface and the side surface of the coarse strainer of the bowl-shaped structure. The coarse strainer with the structure has good water passing effect.

Preferably, the upper part of the pump body is provided with an upper cover, and the upper cover is connected with an exhaust nut.

Compared with the prior art, the beneficial effects of the utility model are that: (1) the directional water pump has simple structure and low cost; (2) the directional water pump is used for performing rough filtration before water flows pass through the filter element, so that the service efficiency of the filter element is improved, the filter element is not easy to block, and the directional water pump is energy-saving and environment-friendly.

Drawings

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

fig. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a cross-sectional view of the present invention;

fig. 4 is a partial exploded view of the present invention;

fig. 5 is a layout of a permanent magnet rotor and stator of the present invention;

in the figure: 1. the device comprises a pump body, 2, a filter element, 3, a water inlet, 4, a liquid outlet, 5, a coarse filter screen, 6, a filter cavity, 7, an installation cavity, 8, a filter joint, 9, a positioning flange, 10, an extension sleeve, 11, a permanent magnet rotor, 12, a stator, 13, a directional blade, 14, a pump seat, 15, a pump cavity, 16, a water outlet pipe, 17, a pump cover, 18, a pump cover buckle, 19, a connecting sleeve, 20, an upper cover, 21, an exhaust nut, 22, a convex ring, 23, a sealing ring, 24, a positioning ring, 25, a butting ring, 26, a circuit board, 27, a Hall fixing ring, 28, a left pole, 29, a right pole, 30 and a Hall element.

Detailed Description

The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:

example (b): a directional water pump (see attached figures 1 to 5) comprises a pump base 14, a stator 12 and a permanent magnet rotor 11, wherein a pump cavity 15 is arranged in the pump base, a liquid inlet and a liquid outlet 4 communicated with the pump cavity are formed in the pump base, directional blades 13 are arranged on the permanent magnet rotor and are of a spiral gradually-opening structure, the directional blades are arranged in the pump cavity, the stator comprises an iron core and a coil, the permanent magnet rotor is arranged in the iron core, and a circuit board 26 used for controlling the permanent magnet rotor to rotate directionally is arranged in the pump base.

The core is U-shaped and the open position of the core forms a left pole 28 and a right pole 29 surrounding the permanent magnet rotor. A Hall element 30 for detecting the magnetism of the permanent magnet rotor is arranged in the pump seat, and the Hall element is arranged at the position of a U-shaped opening of the iron core. The Hall fixing ring 27 is installed in the pump base, the Hall element is installed on the Hall fixing ring, the end part of the permanent magnet rotor is rotatably installed on the Hall fixing ring, and the Hall fixing ring is fixedly connected with the stator. The pump seat is connected with a pump cover 17 and a pump cover buckle 18, and the upper end of the permanent magnet rotor is rotatably arranged on the pump cover; the pump cover buckle is fixedly connected with the pump base, and the pump cover is arranged between the pump cover buckle and the pump base. The Hall element is electrically connected with the circuit board, and the circuit board, the Hall fixing ring and the stator are encapsulated on the pump base by glue. And a water outlet pipe 16 is arranged on the pump seat and extends out of the pump body, one end of the water outlet pipe is communicated with the pump cavity, and the other end of the water outlet pipe is a liquid outlet.

Half of the permanent magnet rotor is an N pole, and the other half of the permanent magnet rotor is an S pole, and the permanent magnet rotor is symmetrically arranged along the radial direction. The permanent magnet rotor is inserted between the left pole and the right pole of the U-shaped iron core, and the end part of the permanent magnet rotor is installed on the Hall fixing ring through a bearing.

The pump seat is connected the pump body 1, is equipped with filter chamber 6 in the pump body, and filter core 2 is installed to the filter chamber, is equipped with the water inlet 3 with the filter chamber intercommunication on the pump body, and water inlet position installation coarse strainer 5, filter core are connected between the inlet of filter chamber and pump seat. The position of the water inlet on the pump body is detachably connected with a filtering joint 8, and a coarse strainer is arranged between the filtering joint and the pump body. The coarse strainer is of a bowl-shaped structure, and a plurality of filtering holes are formed in the bottom surface and the side surface of the coarse strainer of the bowl-shaped structure. The opening of the bowl-shaped structure coarse strainer is arranged towards the filtering joint, the edge of the filtering net is provided with a positioning flange 9, and the positioning flange is abutted against the edge of the water inlet on the pump body. An extension sleeve 10 is arranged at the water inlet on the outer wall of the pump body, a filter joint is hermetically connected on the extension sleeve, and a coarse filter screen is arranged in the extension sleeve. The upper part of the pump body is provided with an upper cover 20 which is connected with an exhaust nut 21. Be equipped with installation cavity 7 in the pump body, the filter chamber below is arranged in to the installation cavity, and the pump seat is installed in the installation cavity. The connecting sleeve 19 is arranged at the bottom of the mounting cavity in the pump body, the lower end of the filter element is sleeved outside the connecting sleeve, the pump cover is sleeved in the connecting sleeve, the pump cover buckle is in threaded connection with the pump base, and the edge of the pump cover is arranged between the pump cover buckle and the pump base.

The upper cover edge is equipped with bulge loop 22, is equipped with the transition face on the pump body upper end inner wall, and the bulge loop supports on the transition face, installs sealing washer 23 between bulge loop and the transition face, connects holding ring 24 on the outer wall of pump body upper end, is equipped with downwardly extending's butt ring 25 on the holding ring inner wall, and the butt ring butt is on the bulge loop.

When the N pole or the S pole of the magnetic field of the permanent magnet rotor points to the Hall element, the Hall element detects the signal and transmits the signal to the circuit board, and if the stator coil winding of the motor passes through forward current or reverse current (namely, the forward half cycle or the negative half cycle of a power supply is conducted), the stator magnetic field generated by the stator of the motor enables the stress direction of the permanent magnet rotor to be the same as the set anticlockwise rotation direction, and then the triggering is carried out; if the directions are opposite, the rotor magnetic field is waited to rotate in the power supply half cycle until the stress direction is the same as the set anticlockwise rotation direction, and then the rotor magnetic field is triggered or the power supply half cycle is not triggered, so that the circuit realizes the functions of directional starting and running of the motor. This function is achieved by circuitry on the circuit board, which is not addressed in this patent for prior art.

The above-described embodiments are merely preferred and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A directional water pump is characterized by comprising a pump base, a stator and a permanent magnet rotor, wherein a pump cavity is arranged in the pump base, a liquid inlet and a liquid outlet which are communicated with the pump cavity are formed in the pump base, directional blades are mounted on the permanent magnet rotor and are arranged in the pump cavity, the stator comprises an iron core and a coil, the permanent magnet rotor is mounted in the iron core, and a circuit board used for controlling the permanent magnet rotor to rotate directionally is mounted in the pump base; the pump seat is connected with the pump body, is equipped with the filter chamber in the pump body, and the filter core is installed to the filter chamber, is equipped with the water inlet with the filter chamber intercommunication on the pump body, and the coarse strainer is installed to the water inlet position, and the filter core is connected between the inlet of filter chamber and pump seat.

2. The directional water pump as claimed in claim 1, wherein the iron core has a U-shaped configuration, and a hall element for detecting magnetism of the permanent magnet rotor is installed in the pump base, and the hall element is installed at a U-shaped opening of the iron core.

3. The directional water pump as claimed in claim 2, wherein the hall fixing ring is installed in the pump base, the hall element is installed on the hall fixing ring, the end of the permanent magnet rotor is rotatably installed on the hall fixing ring, and the hall fixing ring is tightly connected with the stator.

4. The directional water pump according to claim 1, wherein the pump cover and the pump cover buckle are connected to the pump base, and the upper end of the permanent magnet rotor is rotatably mounted on the pump cover; the pump cover buckle is fixedly connected with the pump base, and the pump cover is arranged between the pump cover buckle and the pump base.

5. The directional water pump as recited in claim 1, wherein the water inlet is removably connected to the filter adapter and the strainer is mounted between the filter adapter and the pump body.

6. A directional water pump according to claim 1, wherein the coarse screen is in the form of a bowl, and the bowl is provided with a plurality of filter holes in both the bottom and side surfaces of the coarse screen.

7. The directional water pump as claimed in claim 1, wherein the upper part of the pump body is provided with an upper cover, and the upper cover is connected with the exhaust nut.