CN219654896U

CN219654896U - Deep well pump device with axial force structure

Info

Publication number: CN219654896U
Application number: CN202320456057.7U
Authority: CN
Inventors: 张明
Original assignee: Baoding Huitian Pump Manufacturing Co ltd
Current assignee: Baoding Huitian Pump Manufacturing Co ltd
Priority date: 2023-03-10
Filing date: 2023-03-10
Publication date: 2023-09-08
Anticipated expiration: 2033-03-10

Abstract

The utility model discloses a deep well pump device with an axial force structure, which comprises a motor, wherein the output end of the motor is fixedly connected with a rotating shaft, the outer surface of the rotating shaft is fixedly connected with an impeller, the lower surface of the motor is fixedly connected with a water inlet pipe, the outer surface of the water inlet pipe is fixedly connected with a mounting ring, and the rotating device comprises a fixing ring, balls and a rotating ring, the inside of the fixing ring is rotationally connected with the balls, and the upper surface of the rotating ring is fixedly connected with the impeller. Above-mentioned structure, through rotating device, realize avoiding supporting the pivot through the bearing, avoid the pivot to appear crooked condition easily under longer condition, and then lead to contacting between impeller and the pipe wall of inlet tube to through rotating device's support, avoid the pivot to receive great longitudinal tension.

Description

Deep well pump device with axial force structure

Technical Field

The utility model relates to the technical field of deep-well pumps, in particular to a deep-well pump device with an axial force structure.

Background

The long shaft deep well pump is one vertical single suction centrifugal pump with its impeller below the dynamic water level inside the well, power machine set on the well and driving the impeller to rotate inside the guide shell via the driving shaft, and water flow is lifted upwards to ground via the water pipe along the flow passage between the guide shell and the impeller. When the lift is high, a multistage centrifugal pump with a plurality of impellers connected in series can be adopted, and the axial force structure is particularly important because the problem of overlong length of the deep water well pump can occur in the using process, but the current axial force structure can influence the flow of water flow.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems in the prior art, and provides a deep well pump device with an axial force structure, which is characterized in that a rotating device is used for supporting a rotating shaft through a bearing, so that the rotating shaft is prevented from being bent easily under the condition of being longer, the impeller is further contacted with the pipe wall of a water inlet pipe, and the rotating shaft is prevented from being subjected to larger longitudinal tension through the support of the rotating device.

In order to achieve the above object, the present utility model further provides a deep well pump apparatus having the above axial force structure, comprising:

the motor is fixedly connected with a rotating shaft at the output end of the motor, an impeller is fixedly connected with the outer surface of the rotating shaft, a water inlet pipe is fixedly connected with the lower surface of the motor, and a mounting ring is fixedly connected with the outer surface of the water inlet pipe;

the rotating device comprises a fixed ring, balls and a rotating ring, wherein the inner part of the fixed ring is rotationally connected with the balls, and the upper surface of the rotating ring is fixedly connected with the impeller.

According to the deep well pump device with the axial force structure, the number of the impellers is multiple and the impellers are distributed up and down, and the lower end of the water inlet pipe is provided with a water inlet.

According to the deep well pump device with the axial force structure, the water outlet pipe is fixedly connected to the side surface of the water inlet pipe, and the water outlet pipe is communicated with the water inlet pipe.

According to the deep well pump device with the axial force structure, the bolts are connected with the inner threads of the mounting ring, the lower ends of the bolts extend to the lower side of the mounting ring, and the bolts are multiple in number and distributed annularly.

According to the deep well pump device with the axial force structure, the distance among the rotating ring, the impeller and the water inlet pipe is 0.02 millimeter, so that the problem of leakage is avoided.

According to the deep well pump device with the axial force structure, the number of the balls is multiple and distributed annularly, and the upper surfaces of the balls are in contact with the rotating ring.

According to the deep well pump device with the axial force structure, the outer surface of the fixing ring is fixedly connected with the inner surface of the water inlet pipe, the balls are in rolling connection with the water inlet pipe, and the number of the rotating devices is multiple and distributed up and down.

According to the deep well pump device with the axial force structure, the motor is connected with an external power supply, and a cavity is formed in the fixing ring.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is a schematic view of the overall structure of a deep well pump apparatus with an axial force structure according to the present utility model;

FIG. 2 is a schematic view of a portion of a deep well pump apparatus having an axial force structure according to the present utility model;

FIG. 3 is a schematic view of an impeller structure of a deep well pump apparatus with an axial force structure according to the present utility model;

fig. 4 is a side view of a deep well pump apparatus having an axial force configuration of the present utility model.

Legend description:

1. a motor; 2. a water inlet pipe; 3. a water outlet pipe; 4. a mounting ring; 5. a bolt; 6. an impeller; 7. a rotating shaft; 8. a rotating device; 9. a fixing ring; 10. a rotating ring; 11. a ball; 12. a cavity.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

Referring to fig. 1-4, a deep well pump device with an axial force structure according to an embodiment of the present utility model includes a motor 1, the motor 1 is connected with an external power source, a cavity 12 is formed inside a fixing ring 9, an output end of the motor 1 is fixedly connected with a rotating shaft 7 for driving an impeller 6 to rotate, an outer surface of the rotating shaft 7 is fixedly connected with the impeller 6 for pumping water, the number of the impellers 6 is multiple and distributed up and down, a water inlet is provided at a lower end of a water inlet pipe 2, a water outlet pipe 3 is fixedly connected with a side surface of the water inlet pipe 2, the water outlet pipe 3 is communicated with the water inlet pipe 2, a water inlet pipe 2 is fixedly connected with an outer surface of the water inlet pipe 2, a mounting ring 4 is fixedly connected with an outer surface of the water inlet pipe 2 for fixing the device, a bolt 5 is connected with an inner thread of the mounting ring 4 for fixing the device, a lower end of the bolt 5 extends to a lower side of the mounting ring 4, and the number of the bolts 5 is multiple and distributed in a ring shape.

The rotating device 8 is used for reducing friction force and increasing flow quantity of water flow while providing axial force, the rotating device 8 comprises a fixed ring 9, balls 11 and a rotating ring 10, the outer surface of the fixed ring 9 is fixedly connected with the inner surface of the water inlet pipe 2, the balls 11 are in rolling connection with the water inlet pipe 2, the rotating device 8 is multiple in number and distributed up and down, the distance between the rotating ring 10, the impeller 6 and the water inlet pipe 2 is 0.02 millimeter and is used for avoiding leakage, the inner part of the fixed ring 9 is rotationally connected with the balls 11, the balls 11 are multiple in number and distributed annularly, the upper surface of the balls 11 is in contact with the rotating ring 10, and the upper surface of the rotating ring 10 is fixedly connected with the impeller 6.

Working principle: the downside of this device is placed in the deep well, fixes this device gold through collar 4, when needs pump water, opens motor 1, and motor 1 drives pivot 7 and impeller 6 and rotates, and impeller 6's circumference and axial are all limited by ball 11, avoid impeller 6 appear with the friction between the inlet tube 2, reduce the tensile that pivot 7 received axially in addition, increase the stability of device operation.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. A deep well pump apparatus having an axial force structure, comprising:

the motor (1), the output of motor (1) is fixed connection with pivot (7), the surface fixedly connected with impeller (6) of pivot (7), the lower surface fixedly connected with inlet tube (2) of motor (1), the surface fixedly connected with collar (4) of inlet tube (2);

the rotating device (8), the rotating device (8) comprises a fixed ring (9), balls (11) and a rotating ring (10), the inside of the fixed ring (9) is rotationally connected with the balls (11), and the upper surface of the rotating ring (10) is fixedly connected with the impeller (6).

2. A deep-well pump device with an axial force structure according to claim 1, characterized in that the number of impellers (6) is plural and distributed up and down, and the lower end of the water inlet pipe (2) is provided with a water inlet.

3. The deep-well pump device with the axial force structure according to claim 1, characterized in that a water outlet pipe (3) is fixedly connected to the side surface of the water inlet pipe (2), and the water outlet pipe (3) is communicated with the water inlet pipe (2).

4. Deep-well pump device with axial force structure according to claim 1, characterized in that the mounting ring (4) is internally screwed with bolts (5), the lower ends of the bolts (5) extend to the underside of the mounting ring (4), the number of bolts (5) being a plurality and annularly distributed.

5. A deep-well pump device with axial force structure according to claim 1, characterized in that the distance between the rotating ring (10), impeller (6) and water inlet pipe (2) is 0.02 mm.

6. A deep-well pump device with an axial force structure according to claim 1, characterized in that the number of balls (11) is plural and distributed annularly, the upper surface of the balls (11) being in contact with the rotating ring (10).

7. A deep-well pump device with an axial force structure according to claim 1, characterized in that the outer surface of the fixed ring (9) is fixedly connected with the inner surface of the water inlet pipe (2), the balls (11) are in rolling connection with the water inlet pipe (2), and the number of the rotating devices (8) is plural and distributed up and down.

8. A deep-well pump device with axial force structure according to claim 1, characterized in that the motor (1) is connected to an external power source, the inside of the stationary ring (9) forming a cavity (12).