CN218177574U

CN218177574U - Anti-friction and anti-clamping pump

Info

Publication number: CN218177574U
Application number: CN202221291993.9U
Authority: CN
Inventors: 张伟君
Original assignee: Kunshan Aulank Pumps Manufacturing Co ltd
Current assignee: Kunshan Aulank Pumps Manufacturing Co ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-12-30
Anticipated expiration: 2032-05-26

Abstract

The utility model discloses a prevent friction and jamming pumping, including the motor, motor drive end is equipped with the well bearing of being connected with it, and well bearing middle part is equipped with the axle core of being connected with motor drive end, and the one end that the axle core is close to motor drive end is equipped with mechanical seal and mechanical seal spring, and the other end that motor drive end was kept away from to the axle core is equipped with rotating ring and quiet ring in proper order, is equipped with the impeller of suit on the axle core between rotating ring and the mechanical seal spring, and the pump cover is installed to the other end that the motor was kept away from to well bearing. The utility model has the advantages that: the lubricating groove is used for circulating flushing liquid, friction between the surfaces of the moving ring and the stationary ring is reduced, high-pressure liquid of the impeller is introduced into the first flushing hole and the second flushing hole, enters the stationary ring and flows out of the lubricating groove on the end face of the stationary ring to form a circulating loop, the impeller is directly contacted with the mechanical seal spring, a gap A is reserved between the impeller and the pump cover after the moving ring is contacted with the stationary ring, gaps A and B are reserved on two sides of the end face of the impeller at the moment, and the impeller is prevented from being cut and rubbed when the pump works.

Description

Anti-friction and anti-clamping pump

Technical Field

The utility model relates to a water pump technical field specifically is an anti-friction and clamping stagnation pumping.

Background

When the existing water pump is used for pumping, the impeller can rub with the bearing and the pump cover, so that the service life of the existing water pump is shortened, certain friction can be generated between the moving ring and the static ring, friction damage to internal parts of the bearing is caused, and water pump clamping stagnation can be caused in severe cases.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anti-friction and jamming pumping to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an anti-friction and clamping stagnation pumping, includes the motor, the motor drive end is equipped with the well bearing of being connected with it, well bearing middle part be equipped with the axle core that the motor drive end is connected, the axle core is close to the one end of motor drive end is equipped with mechanical seal and mechanical seal spring, the axle core is kept away from the other end of motor drive end is equipped with rotating ring and quiet ring in proper order, the rotating ring with be equipped with the suit between the mechanical seal spring in impeller on the axle core, well bearing is kept away from the pump cover is installed to the other end of motor.

Preferably, the static ring is arranged inside the pump cover and is positioned through a shaft pin, and the end face of the dynamic ring is provided with a lubricating groove for circulating flushing liquid so as to reduce the friction between the dynamic ring and the surface of the static ring.

Preferably, the end face of the static ring is provided with a lubricating groove.

Preferably, the impeller abuts against the mechanical sealing spring, and the impeller 10 is pressed to the left by the mechanical sealing spring 4, so that the impeller 10 is forced to the left and is in contact with the static ring 9 through the dynamic ring 8.

Preferably, the shaft core is provided with a key which plays a role in axial fixation so as to realize the transmission of power and rotating speed.

Preferably, a fixing bolt and an O-shaped sealing ring which are connected are arranged between the pump cover and the middle bearing, so that high-pressure liquid in the pump cover is prevented from overflowing.

Preferably, one side of the pump cover, which is close to the impeller, is provided with a first vertical flushing hole and a second vertical flushing hole, and the first flushing hole and the second flushing hole introduce high-pressure liquid of the impeller, enter the static ring position, and flow out of the static ring end face lubrication groove to form a circulation loop.

Advantageous effects

The utility model provides an antifriction and jamming pumping, the rotating ring terminal surface sets up moist groove, be used for circulating the flush fluid, in order to reduce the friction on rotating ring and quiet ring surface, the impeller pump cover introduces the high-pressure liquid of impeller and enters into quiet ring position at the first flushing hole and the second flushing hole that impeller excircle position set up, flow from quiet ring end face lubrication groove, form circulation circuit, the impeller is direct and the contact of machine seal spring, the impeller receives the extrusion effort left of spring, make the impeller atress left and through rotating ring and quiet ring contact, impeller and pump cover still leave clearance A this moment behind rotating ring and the quiet ring contact, impeller end both sides are gapped A and B all, guarantee that the pump can not cut to rub at the during operation impeller.

Drawings

FIG. 1 is a schematic side view and sectional view of the overall structure of the present invention;

fig. 2 is an enlarged schematic view of the structure of the moving ring and the stationary ring of the present invention.

Reference numerals

1-motor, 2-shaft core, 3-mechanical seal, 4-mechanical seal spring, 5-middle bearing, 6-shaft pin, 7-key, 8-movable ring, 9-stationary ring, 10-impeller, 11-pump cover, 12-O type seal ring, 13-lubricating groove, 14-first vertical flushing hole and 15-second vertical flushing hole.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Examples

As shown in fig. 1-2, an anti-friction and anti-blocking pump includes a motor 1, a middle bearing 5 connected to a driving end of the motor 1 is provided at the driving end of the motor 1, a shaft core 2 connected to the driving end of the motor 1 is provided at the middle part of the middle bearing 5, a mechanical seal 3 and a mechanical seal spring 4 are provided at one end of the shaft core 2 close to the driving end of the motor 1, a movable ring 8 and a stationary ring 9 are sequentially provided at the other end of the shaft core 2 far from the driving end of the motor 1, an impeller 10 sleeved on the shaft core 2 is provided between the movable ring 8 and the mechanical seal spring 4, and a pump cover 11 is installed at the other end of the middle bearing 5 far from the motor 1.

In this embodiment, quiet ring 9 sets up inside pump cover 11, and quiet ring 9 passes through pivot 6 location, lubrication groove 13 has been seted up to quiet ring 9 terminal surface, pump cover 11 sets up the high-pressure liquid that first flushing port and second flushing port introduced impeller 10 in impeller 10 excircle position, and enter into quiet ring 9 position, flow out from quiet ring 9 terminal surface lubrication groove, form circulation circuit, impeller 10 and mechanical seal spring 4 butt are equipped with key 7 on the axle core 2, key 7 has played the axial fixity effect, in order to realize the transmission of power and rotational speed.

Fixing bolts and O-shaped sealing rings 12 which are connected are arranged between the pump cover 11 and the middle bearing 5, the pump cover 11 is connected with the middle bearing 5 in a sealing mode through the fixing bolts and the O-shaped sealing rings 12, a first vertical flushing hole 14 and a second vertical flushing hole 15 are formed in one side, close to the impeller 10, of the pump cover 11, and the two flushing holes can be communicated through high-pressure flushing holes.

The end face of the movable ring 8 is provided with a lubricating groove for circulating flushing liquid so as to reduce friction between the surfaces of the movable ring 8 and the static ring 9, a first flushing hole and a second flushing hole which are arranged on the outer circle of the impeller 10 of the impeller pump cover 11 introduce high-pressure liquid of the impeller 10 into the position of the static ring 9 and flow out of a lubricating groove 13 on the end face of the static ring 9 to form a circulating loop, the impeller 10 is directly contacted with the mechanical seal spring 4, the impeller 10 is extruded leftwards by the mechanical seal spring 4 to enable the impeller 10 to be stressed leftwards and contacted with the static ring 9 through the movable ring 8, and a gap A is left between the impeller 10 and the pump cover 11 after the movable ring 8 is contacted with the static ring 9, and at the moment, gaps A and B are arranged on two sides of the end face of the impeller 10, so that the impeller of the pump can not be scratched and rubbed during operation.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the content of the present invention within the protection scope of the present invention.

Claims

1. The utility model provides an anti-friction and jamming pump which characterized in that: including motor (1), motor (1) drive end is equipped with well bearing (5) of being connected with it, well bearing (5) middle part be equipped with axle core (2) that motor (1) drive end is connected, axle core (2) are close to the one end of motor (1) drive end is equipped with mechanical seal (3) and mechanical seal spring (4), keep away from axle core (2) the other end of motor (1) drive end is equipped with rotating ring (8) and quiet ring (9) in proper order, rotating ring (8) with be equipped with suit between mechanical seal spring (4) impeller (10) on axle core (2), well bearing (5) are kept away from pump cover (11) are installed to the other end of motor (1).

2. The anti-friction and seizure pump of claim 1, wherein: the static ring (9) is arranged inside the pump cover (11), and the static ring (9) is positioned through a shaft pin (6).

3. The anti-friction and seizure pump of claim 1, further comprising: the end face of the static ring (9) is provided with a lubricating groove (13).

4. The anti-friction and seizure pump of claim 1, further comprising: the impeller (10) is abutted against the mechanical seal spring (4).

5. The anti-friction and seizure pump of claim 1, further comprising: the shaft core (2) is provided with a key (7).

6. The anti-friction and seizure pump of claim 1, further comprising: and a fixing bolt and an O-shaped sealing ring (12) which are connected are arranged between the pump cover (11) and the middle bearing (5).

7. The anti-friction and seizure pump of claim 1, further comprising: one side of the pump cover (11) close to the impeller (10) is provided with a first vertical flushing hole (14) and a second vertical flushing hole (15).