CN210041503U

CN210041503U - Submersible pump motor

Info

Publication number: CN210041503U
Application number: CN201921114363.2U
Authority: CN
Inventors: 陈宜文
Original assignee: Zhejiang Taifu Pump Co Ltd
Current assignee: Zhejiang Taifu Pump Co Ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-02-07
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses a immersible pump motor has solved current immersible pump motor when the controller breaks down, can only wholly change the immersible pump usually, and brings the relatively higher problem of immersible pump use cost, the technical measure who takes: a submersible pump motor comprises an outer cylinder and a connecting seat, wherein a stator is arranged in the outer cylinder, a rotor is rotationally arranged on the connecting seat, a controller is arranged in the connecting cylinder and used for controlling the motor, the connecting cylinder and the outer cylinder are coaxially arranged, and the connecting cylinder and the outer cylinder are connected together through the connecting frame; one end of the coupling frame facing the outer cylinder is formed with a coupling portion through which a plurality of coupling bolts are threadedly coupled with the coupling ring.

Description

Submersible pump motor

Technical Field

The utility model relates to a water pump especially relates to a motor on submergence pump in water when using.

Background

Chinese patent document (publication number: 107859637A) discloses a submersible pump for a well, which comprises a water pump and a motor for driving the water pump to work, wherein the motor comprises a motor shell, a wound stator, a rotating shaft, a rotor arranged on the rotating shaft, and a motor end cover and a bearing seat which are respectively arranged at two ends of the motor shell, the motor shell is provided with a rivet button for connecting with an external component, the motor end cover is provided with a first bearing, the bearing seat is provided with a second bearing, the middle part of the rotating shaft is in rotating fit with the first bearing, one end part of the rotating shaft is in rotating fit with the second bearing, two sides of the first bearing are respectively provided with a hole check ring and a shaft check ring for limiting the first bearing, the motor end cover is provided with a groove for installing the hole check ring, and the shaft check ring is fixedly arranged on the. The submersible pump for the well has the advantages of low requirement on machining precision, stable operation, long service life and the like.

In the submersible pump, the motor shell and the external component are connected into a whole in a riveting mode, and in the prior art, the motor shell and the external component are sometimes connected and fixed in a welding mode. The external member includes a controller, which is mainly a number of circuit boards and chips, for controlling the operation of the motor. The controller is arranged in the connecting cylinder, the connecting cylinder is sealed and welded or bonded on the connecting frame, and the connecting frame is welded or riveted with the motor shell. Although the coupling cylinder is in a sealed state, under the prior art conditions, liquid can be basically prevented from entering the coupling cylinder, and as the submersible pump is immersed in water for a long time, some water vapor can penetrate into the coupling cylinder to accelerate the damage of the circuit board, so that the controller is lost. Under normal conditions, the failure rate of the controller is higher than that of the motor and the pump body. The submersible pump is integrally arranged, so that after any functional part is damaged, the submersible pump can be integrally replaced, and the use cost of the submersible pump is relatively high.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that needs to solve is: the utility model provides a submersible pump motor, this motor is under the prerequisite of guaranteeing the hookup intensity, is convenient for change the easy part that decreases, can effectively reduce the use cost of submersible pump.

For solving the technical problem, the technical scheme of the utility model: a submersible pump motor comprises an outer cylinder and a connecting seat, wherein a stator is arranged in the outer cylinder, a rotor is rotationally arranged on the connecting seat, a controller is arranged in the connecting cylinder and used for controlling the motor, the connecting cylinder and the outer cylinder are coaxially arranged, and the connecting cylinder and the outer cylinder are connected together through the connecting frame; one end of the coupling frame facing the outer cylinder is formed with a coupling portion through which a plurality of coupling bolts are threadedly coupled with the coupling ring.

The coupling ring provides radial support for the motor and is the basis for the rotational stability of the rotor. The mouth of the connecting cylinder is generally sleeved on the other end of the connecting frame, and the connecting cylinder and the connecting frame are connected and fixed by gluing or welding. The connecting ring is provided with a blind hole, the end part of the connecting bolt is connected in the blind hole in a threaded manner, the connecting bolt enables the connecting frame and the motor to be fixedly connected, and the pump body and the connecting frame are respectively arranged on two opposite sides of the motor.

Furthermore, a plug-in type conductive structure is arranged between the motor and the controller, so that the controller is electrically connected with the motor. The plug-in conductive structure can be well adapted to the connection mode between the connection frame and the motor, and is convenient to detach and connect.

Furthermore, a connecting column is arranged on the connecting frame along the axial direction of the connecting frame, the connecting column is hollow, and the conductive structure is arranged in the connecting column. This makes the compactness good at the link span, is convenient for set up seal structure and guarantees the liquid seal at conductive structure department.

Furthermore, the conductive structure comprises a hollow inserting cylinder, the inserting core is used for being inserted into the inserting cylinder, and the inserting cylinder and the inserting core are made of conductive materials. The electric connection is realized through the inserting barrel and the inserting core structure, and the stable electric connection is realized through the axial matching of the inserting barrel and the inserting core structure.

Furthermore, the shaft section of the inserting cylinder is H-shaped, and the two inserting cores are used for being inserted into the inserting cylinder from two opposite sides of the inserting cylinder. This makes the intensity of inserting a section of thick bamboo higher, can effectively improve the grafting stability between lock pin and the section of thick bamboo of inserting.

Furthermore, the periphery of the inserting cylinder is wrapped with a rubber sleeve, and the peripheral surface of the rubber sleeve is integrally formed with an outward convex ring. Through being provided with the rubber sleeve and being convenient for set up and insert a section of thick bamboo, also can effectively guarantee liquid seal nature simultaneously. Through being provided with the outside bulge loop, and can conveniently be located the section of thick bamboo of inserting and the stable butt joint of lock pin to the axial positioning who inserts a section of thick bamboo.

Furthermore, the plug is sleeved on the periphery of the inserting core, the length of the inserting cylinder is smaller than that of the rubber sleeve, the inserting cylinder is located in the rubber sleeve, the two ends of the rubber sleeve are respectively provided with a socket, and a raised head used for being matched with the socket in an inserting mode is formed on the plug. The raised head is inserted into the socket, so that the liquid tightness between the inserting barrel and the inserting core can be effectively realized, and the electric conduction between the inserting barrel and the inserting core is stable.

The beneficial effects of the utility model reside in that: in the submersible pump motor, the connecting frame and the motor are connected together through the connecting bolt in a threaded mode, the connecting bolt can be rotated to realize the connection and fixation between the connecting frame and the motor, or the connecting frame and the motor are disassembled, when the controller breaks down, the controller can be simply replaced, the submersible pump does not need to be integrally replaced, the use condition of the controller is well adapted, and the use cost of the submersible pump can be reduced.

Drawings

Fig. 1 is a longitudinal sectional view of the present submersible pump motor.

Fig. 2 is a partial enlarged structural view of the submersible pump motor and the coupling frame which are connected together.

Fig. 3 is an enlarged perspective view of the coupling frame.

Detailed Description

The motor of the submersible pump is used for providing power for the impeller in the pump body so as to pump water. The structure comprises an outer cylinder 1 and a connecting seat 2, wherein the outer cylinder 1 is made of stainless steel. Wherein, the stator 9 is arranged on the inner circumferential surface of the outer cylinder 1, the rotor 8 is arranged on the connecting seat 2, and the rotor 8 can rotate on the connecting seat 2 in the circumferential direction. The submersible pump further comprises a controller 6, the controller 6 is arranged in the coupling cylinder 5, and the controller 6 is used for controlling the operation of the motor. The coupling cylinder 5 and the outer cylinder 1 are coaxially arranged and axially opposed to each other, and the coupling cylinder 5 and the outer cylinder 1 are coupled together by a coupling frame 7. The end part of the coupling cylinder 5 is sleeved on the end part of the coupling frame 7, and the two parts are connected and fixed in a welding or gluing mode.

The end part of the outer cylinder 1 facing the connecting frame 7 is internally provided with a connecting ring 3, and the connecting ring 3 is circular ring-shaped and is generally iron. The connecting seat 2 is arranged in the inner ring of the connecting ring 3, the connecting ring 3 is in tight fit with the outer cylinder 1 and the connecting seat 2, and the outer cylinder 1 and the connecting seat 2 are radially stabilized under the supporting action of the connecting ring 3. One end of the coupling frame 7 facing the outer cylinder 1 is formed with a coupling portion 72, the coupling portion 72 is a circular plate-shaped body, and a plurality of coupling bolts 4 are screwed with the coupling ring 3 through the coupling portion 72.

The controller 6 and the connecting frame 7 can be detached from the motor by screwing the connecting bolt 4. To adapt to the function, a plug-in conductive structure is arranged between the motor and the controller 6, so that the controller 6 is electrically connected with the motor, and the conductive structure can be detached when the controller is detached. The conductive structure is directly arranged in the connecting frame 7, the connecting column 71 is arranged on the connecting frame 7 along the axial direction of the connecting frame, the connecting column 71 is hollow, and the conductive structure is assembled in the connecting column 71.

The conductive structure includes a hollow barrel 14, and the rod-shaped ferrule 12 is insertable into the barrel 14 to mate with the barrel 14. The barrel 14 and the ferrule 12 are both made of conductive material, typically copper, and may also be made of stainless steel or other conductive metal materials. After the inserting core 12 and the inserting barrel 14 are inserted and matched, the electric connection between the controller 6 and the motor can be realized.

The middle of the barrel 14 has a partition to divide the interior of the barrel 14 into two parts so that the two ferrules 12 can be inserted into the barrel 14 from two opposite sides of the barrel 14. The axial cross-section of the insert barrel 14 is H-shaped due to the presence of the spacers.

The periphery of the insertion tube 14 is wrapped with the rubber sleeve 11, the length of the insertion tube 14 is smaller than that of the rubber sleeve 11, the insertion tube 14 is located in the rubber sleeve 11, and an outward convex ring is integrally formed on the peripheral surface of the rubber sleeve 11. On the facing end faces of the coupling ring 3 and the coupling stud 71 a recess is formed, respectively, which recesses snap together to form a cavity for accommodating the outwardly protruding ring. The periphery of the two insertion cores 12 is respectively sleeved with a plug 10 made of plastic materials, after the two plugs are inserted in place, the two plugs 10 are respectively positioned in the connecting column 71 and the connecting ring 3, and the peripheral surfaces of the two plugs 10 are respectively sleeved with an O-shaped sealing ring 13 so as to improve the sealing property. Two ends of the rubber sleeve 11 are respectively provided with a socket, a raised head is formed on the plug 10, and the raised head is inserted in the socket after the inserting core 12 and the inserting barrel 14 are inserted and matched in place.

Claims

1. A submersible pump motor comprises an outer cylinder and a connecting seat, wherein a stator is arranged in the outer cylinder, a rotor is rotationally arranged on the connecting seat, a controller is arranged in the connecting cylinder and used for controlling the motor, the connecting cylinder and the outer cylinder are coaxially arranged, and the connecting cylinder and the outer cylinder are connected together through the connecting frame; one end of the coupling frame facing the outer cylinder is formed with a coupling portion through which a plurality of coupling bolts are threadedly coupled with the coupling ring.

2. The submersible pump motor of claim 1, wherein a pluggable conductive structure is disposed between the motor and the controller to electrically connect the controller to the motor.

3. A submersible pump motor according to claim 2, characterized in that the coupling frame is provided with coupling studs in the axial direction thereof, which coupling studs are hollow, the electrically conductive structure being arranged in the coupling studs.

4. The submersible pump motor of claim 3, wherein the conductive structure comprises a hollow insert cylinder, the insert core is used for being inserted into the insert cylinder, and the insert cylinder and the insert core are both made of conductive materials.

5. The submersible pump motor of claim 4, wherein the insert barrel has an H-shaped axial cross-section, and the two inserts are adapted to be inserted into the insert barrel from opposite sides of the insert barrel.

6. The submersible pump motor according to claim 4 or 5, wherein the rubber sleeve is wrapped around the outer circumference of the cartridge, and an outward protruding ring is integrally formed on the outer circumference of the rubber sleeve.

7. The submersible pump motor according to claim 6, wherein a plug is sleeved on the periphery of the insertion core, the length of the insertion cylinder is smaller than that of the rubber sleeve, the insertion cylinder is located in the rubber sleeve, two ends of the rubber sleeve are respectively provided with a socket, and a raised head for being in insertion fit with the socket is formed on the plug.