CN214945047U

CN214945047U - Pump body with exhaust rotor

Info

Publication number: CN214945047U
Application number: CN202121330386.4U
Authority: CN
Inventors: 李金强; 袁乙飞
Original assignee: Dongguan Shenpeng Electronics Co ltd
Current assignee: Guangdong Shenpeng Technology Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2021-11-30
Anticipated expiration: 2031-06-16

Abstract

The utility model discloses a pump body that possesses exhaust rotor, including the rotor frame, the impeller, the magnetic ring, cavity and pump head, first basin has between the inboard of pump head and the outside of impeller, the second basin has between the outside of rotor frame and the inboard of cavity, the third basin has between the outside of magnetic ring and the inboard of cavity, the fourth basin has between the outside of rotor frame and the inboard of magnetic ring, be formed with the pump chamber between impeller and the rotor frame, the upper end and the pump chamber of fourth basin communicate with each other, first basin, the second basin, third basin communicates with each other in proper order with the fourth basin. This pump body that possesses exhaust rotor has structurally increased the basin after for hydroenergy has effectively reduced the abnormal sound that the rotor starts the back and causes with the relative dry friction of bearing in the pump body enters into pump chamber and bearing fast before the work, and the rotor avoids appearing the condition that the bearing blocked at the rotation in-process simultaneously, and water can take away the air that is in on the bearing simultaneously in the lump, makes the pump body rivers at the during operation bubble-free.

Description

Pump body with exhaust rotor

Technical Field

The utility model relates to a technical field of water pump especially relates to a pump body that possesses exhaust rotor.

Background

A pump is a machine that delivers or pressurizes a fluid. It transfers the mechanical energy of the prime mover or other external energy to the liquid, causing the liquid energy to increase. The pump is mainly used for conveying liquid such as water, oil, acid-base liquid, emulsion, suspension emulsion and liquid metal, and can also be used for conveying liquid, gas mixture and liquid containing suspended solid. The water pump can only convey material flow taking fluid as a medium, and can not convey solids.

In ordinary water pump structure, water can't get into the inside of rotor fast and the bearing contact when the water pump starts, and axle center and bearing all are dry state before the use, in case start the water pump, the axle center will produce dry friction with the bearing to produce harsh unusual sound, the time that this kind of condition appears is long afterwards in addition, makes the bearing block easily, unable normal work.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at: the utility model provides a pump body that possesses exhaust rotor for solve the problem that prior art exists.

To achieve the purpose, the utility model adopts the following technical proposal:

a pump body with an exhaust rotor comprises a rotor frame, an impeller, a magnetic ring, a cavity and a pump head, wherein the impeller is arranged at the upper end of the rotor frame, the cavity is provided with a mounting position, the magnetic ring is arranged in the mounting position, the lower end of the rotor frame is inserted into the magnetic ring, the pump head is positioned above the cavity, a first water tank is arranged between the inner side of the pump head and the outer side of the impeller, a second water tank is arranged between the outer side of the rotor frame and the inner side of the cavity, a third water tank is arranged between the outer side of the magnetic ring and the inner side of the cavity, a fourth water tank is arranged between the outer side of the rotor frame and the inner side of the magnetic ring, a pump cavity is formed between the impeller and the rotor frame, the upper end of the fourth water tank is communicated with the pump cavity, and the first water tank, the second water tank, the third water tank and the fourth water tank are sequentially communicated.

As a preferred technical scheme, a graphite bearing is arranged in the middle of the rotor frame, an axis is inserted into the graphite bearing, the upper end of the axis is connected with the middle of the pump head, and the lower end of the axis is connected with the bottom of the cavity.

As a preferred technical scheme, gaskets are arranged at two ends of the graphite bearing, and two ends of the shaft center penetrate through the gaskets.

As a preferred technical solution, an O-ring seal is disposed between the cavity and the pump head.

The cavity is placed on the shell, and the edge of the cavity is connected with the edge of the shell.

As a preferred technical scheme, the edge of the shell is provided with a screw, and the screw penetrates through the cavity and then is in threaded connection with the shell.

As a preferable technical solution, a stator is installed inside the housing, and the lower end of the cavity penetrates through the middle of the stator.

The utility model has the advantages that: the utility model provides a pump body that possesses exhaust rotor, this pump body that possesses exhaust rotor has structurally increased the basin after for hydroenergy can enter into pump chamber and bearing fast before the work in the pump body, effectively reduced the unusual sound that the rotor starts the back and the relative dry friction of bearing caused, the condition that the bearing blocked is avoided appearing at the rotation in-process to the rotor simultaneously, water can take away the air that is in on the bearing in the lump simultaneously, make the pump body rivers at the during operation bubble-free.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Fig. 1 is a perspective cross-sectional view of a pump body having an exhaust rotor according to an embodiment;

fig. 2 is a perspective sectional view of a rotor frame according to an embodiment;

FIG. 3 is an exploded view of a pump body with an exhaust rotor according to an embodiment;

fig. 4 is an overall cross-sectional view of a pump body provided with an exhaust rotor according to an embodiment.

In fig. 1 to 4:

1. a rotor frame; 2. an impeller; 3. a magnetic ring; 4. a cavity; 5. a pump head; 6. a first water tank; 7. a second water tank; 8. a third water tank; 9. a fourth water tank; 10. a pump chamber; 11. a graphite bearing; 12. an axis; 13. a gasket; 14. an O-shaped sealing ring; 15. a housing; 16. a screw; 17. a stator; 18. a water inlet; 19. and (7) a water outlet.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1 to 4, in the present embodiment, a pump body having an exhaust rotor includes a rotor frame 1, an impeller 2, a magnetic ring 3, a cavity 4, and a pump head 5, the impeller 2 is mounted on an upper end of the rotor frame 1, a mounting position is provided on the cavity 4, the magnetic ring 3 is placed in the mounting position, a lower end of the rotor frame 1 is inserted into the magnetic ring 3, the pump head 5 is located above the cavity 4, a first water tank 6 is provided between an inner side of the pump head 5 and an outer side of the impeller 2, a second water tank 7 is provided between an outer side of the rotor frame 1 and an inner side of the cavity 4, a third water tank 8 is provided between an outer side of the magnetic ring 3 and an inner side of the cavity 4, a fourth water tank 9 is provided between an outer side of the rotor frame 1 and an inner side of the magnetic ring 3, and a pump cavity 10 is formed between the impeller 2 and the rotor frame 1, the upper end of the fourth water tank 9 is communicated with the pump cavity 10, and the first water tank 6, the second water tank 7, the third water tank 8 and the fourth water tank 9 are sequentially communicated.

Before use, water starts to flow into the pump head 5 (the arrow direction is a water flow direction), enters the first water tank 6 formed between the impeller 2 and the pump head 5 through the water inlet 18 of the pump head 5, sequentially passes through the second water tank 7 formed between the rotor frame 1 and the cavity 4 and the third water tank 8 formed between the magnetic ring 3 and the cavity 4, flows to the bottommost part of the cavity 4, and drives the gas in the cavity 4 into the fourth water tank 9 formed between the rotor frame 1 and the magnetic ring 3, and then rushes into the pump cavity 10 formed between the impeller 2 and the rotor frame 1, and when the impeller 2 rotates, bubbles formed by the gas and the water are thrown out together and discharged from the water outlet 19 of the pump head 5, and when the whole process occurs, since the water discharges the gas below the shaft center 12 before the impeller 2 works, the shaft center 12 can be ensured not to be dried before rotating, and abnormal sounds generated by the shaft center 12, the rotor frame 1 and other parts under the dry grinding condition can be reduced.

The middle part of rotor frame 1 is provided with graphite bearing 11, graphite bearing 11 is last to have inserted axle center 12, the upper end of axle center 12 with the middle part of pump head 5 is connected, the lower extreme of axle center 12 with the bottom of cavity 4 is connected, moreover, graphite bearing 11's both ends all are provided with gasket 13, the both ends of axle center 12 all pass gasket 13.

Since the water flow passes through the graphite bearing before rotation, the graphite bearing 11 does not get stuck when relative movement occurs.

An O-shaped sealing ring 14 is arranged between the cavity 4 and the pump head 5.

Under the action of the O-ring 14, a sealed state is formed between the cavity 4 and the pump head 5, and water does not flow out from between the cavity 4 and the pump head 5 in the process of flowing inside.

The pump body with the exhaust rotor further comprises a shell 15, the cavity 4 is placed on the shell 15, the edge of the cavity 4 is connected with the edge of the shell 15, a screw 16 is arranged on the edge of the shell 15, and the screw 16 penetrates through the cavity 4 and then is in threaded connection with the shell 15.

After the cavity 4 is placed in the housing 15, the hole sites on the edge of the housing 15 are aligned with the hole sites on the edge of the cavity 4, and then the two are locked by the screws 16.

A stator 17 is installed inside the housing 15, and the lower end of the cavity 4 penetrates through the middle of the stator 17.

When the pump body works, the shaft center 12 drives the rotor frame 1 and the impeller 2 to rotate together, friction is reduced by the graphite bearing 11, and magnetic rotation is formed between the rotor frame 1 and the stator 17.

It should be noted that the above embodiments are only preferred embodiments of the present invention and the technical principles applied, and any changes or substitutions which can be easily conceived by those skilled in the art within the technical scope of the present invention are covered by the protection scope of the present invention.

Claims

1. The utility model provides a pump body that possesses exhaust rotor, its characterized in that, includes rotor frame, impeller, magnetic ring, cavity and pump head, the impeller is installed the upper end of rotor frame, be provided with the installation position on the cavity, the magnetic ring is placed in the installation position, the lower extreme of rotor frame inserts in the magnetic ring, the pump head is located the top of cavity, the inboard of pump head with first basin has between the outside of impeller, the outside of rotor frame with the inboard of cavity has the second basin between, the outside of magnetic ring with the inboard of cavity has the third basin, the outside of rotor frame with the inboard of magnetic ring has the fourth basin, be formed with the pump chamber between impeller and the rotor frame, the upper end of fourth basin with the pump chamber communicates with each other, first basin, second basin, the pump head, The third water tank is communicated with the fourth water tank in sequence.

2. The pump body with the exhaust rotor according to claim 1, wherein a graphite bearing is disposed in a middle portion of the rotor frame, a shaft center is inserted into the graphite bearing, an upper end of the shaft center is connected to a middle portion of the pump head, and a lower end of the shaft center is connected to a bottom of the cavity.

3. The pump body with the exhaust rotor according to claim 2, wherein the graphite bearing is provided with a gasket at both ends, and both ends of the shaft center penetrate the gasket.

4. The pump body with the vent rotor of claim 1, wherein an O-ring seal is disposed between the cavity and the pump head.

5. The pump body with the exhaust rotor according to claim 1, comprising a housing, wherein the cavity is placed on the housing, and a rim of the cavity is connected with a rim of the housing.

6. The pump body with the exhaust rotor according to claim 5, wherein a screw is provided at an edge of the housing, and the screw penetrates through the cavity and is screwed with the housing.

7. The pump body with the exhaust rotor according to claim 5, wherein a stator is installed inside the housing, and a lower end of the cavity penetrates through a middle portion of the stator.