CN209856097U

CN209856097U - Seal cartridge assembly of energy-conserving axial-flow pump

Info

Publication number: CN209856097U
Application number: CN201920606942.2U
Authority: CN
Inventors: 罗通向
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2019-12-27
Anticipated expiration: 2029-04-29

Abstract

The utility model discloses a seal cover subassembly of energy-conserving axial-flow pump, including pump case, sealing ring and inner race ring, the both sides inner wall welding of pump case has the closing plate, and the outer wall of closing plate opens and have four draw-in grooves, the outer wall welding of sealing ring has four fixture blocks, and four fixture block joints in the inner wall of four draw-in grooves, and the same position of sealing ring and closing plate is opened there is the dead eye, the inner wall of dead eye is equipped with outer race ring, and the inner wall of outer race ring and the outer wall of inner race ring all open flutedly, and the ball has been placed to the inner wall of two recesses, and the cavity intussuseption that outer race ring and inner race ring formed is. The utility model discloses a set up the recess inner wall that outer race ring and interior race ring same position opened with the ball, it has sealing rubber to fill in the middle of outer race ring and interior race ring, gets rid of the clearance that the bearing exists when guaranteeing the bearing can the pivoted, avoids liquid to cause the erosion to the drive structure.

Description

Seal cartridge assembly of energy-conserving axial-flow pump

Technical Field

The utility model relates to an axial-flow pump technical field especially relates to a seal cover subassembly of energy-conserving axial-flow pump.

Background

The axial-flow pump uses the action force of the vane of the impeller to the liquid to make the impeller of the pump axial-flow pump which transfers the liquid along the axial direction have 2-7 vanes, and rotates in the circular tube-shaped pump shell, and the pump shell on the upper part of the impeller is provided with a fixed guide vane to eliminate the rotary motion of the liquid.

Axial-flow pump is at the operation in-process, the liquid that external world got into in the pump body has some can get into driving motor place along the direction of transmission shaft, driving motor receives the erosion of liquid and can cause driving motor impaired the incident can appear in the time, the transmission shaft is generally fixed through the bearing when rotatory, the outer race ring and the interior race ring of bearing drive through the ball and rotate, the existence of ball leads to having the clearance between outer race ring and the interior race ring, cause liquid to get into driving motor department easily, cause the stop work.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a seal sleeve component of an energy-saving axial flow pump.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a seal cover assembly of energy-conserving axial-flow pump, includes pump case, sealing ring and inner race, the both sides inner wall welding of pump case has the closing plate, and the outer wall of closing plate opens and have four draw-in grooves, the outer wall welding of sealing ring has four fixture blocks, and four fixture blocks joints in the inner wall of four draw-in grooves, and the same position of sealing ring and closing plate is opened has the dead eye, the inner wall of dead eye is equipped with outer race, and the inner wall of outer race and the outer wall of inner race all open flutedly, and the ball has been placed to the inner wall of two recesses, and the cavity intussuseption that outer race and inner race formed is filled with sealing rubber, and the inner wall of inner race is pegged graft and is had the transmission shaft, and.

Furthermore, limiting rods are arranged on the inner walls of the two sides of the pump shell, and limiting rings are arranged on the outer walls of the limiting rods.

Furthermore, the inner walls of the two sides, close to the clamping groove, of the sealing plate are provided with limiting cavities, and the inner walls of the two limiting cavities are provided with two limiting springs.

Furthermore, the outer wall of the other end of each of the two limiting springs is provided with a limiting plate.

Furthermore, two the relative one side outer wall of limiting plate all welds and has spacing arch.

Furthermore, the transmission shaft is inserted in the inner wall of the limiting ring.

Further, the inner walls of the two sides, close to the limiting plate, of the clamping grooves are provided with two rubber plates, and rubber particles are welded on the outer wall, close to the limiting plate, of one side of each of the two rubber plates.

The utility model has the advantages that:

1. through being provided with sealing ring and closing plate for axial-flow pump's feed liquor end and drive end separate, avoid liquid to get into the drive motor place and cause drive motor to damage, improved the security performance of device.

2. The ball is arranged on the inner wall of the groove formed in the same position of the outer bearing ring and the inner bearing ring, sealing rubber is filled between the outer bearing ring and the inner bearing ring, the bearing can rotate, meanwhile, the gap existing in the bearing is removed, and liquid is prevented from corroding the driving structure.

3. Through being provided with spacing spring, spacing chamber and limiting plate, conveniently carry out the dismantlement of sealing ring, improved the practicality of device, the setting up of spacing arch, rubber slab and rubber grain makes the fixed more firm of sealing ring.

Drawings

Fig. 1 is a schematic structural diagram of a seal cartridge assembly of an energy-saving axial flow pump according to the present invention;

fig. 2 is a schematic view of a bearing structure of a seal cartridge assembly of an energy-saving axial flow pump according to the present invention;

fig. 3 is a schematic view of a groove structure of a seal cartridge assembly of an energy-saving axial flow pump according to the present invention;

in the figure: 1-pump shell, 2-transmission shaft, 3-limiting rod, 4-sealing ring, 5-sealing plate, 6-bearing hole, 7-clamping block, 8-limiting ring, 9-oil inlet hole, 10-sealing rubber, 11-ball, 12-inner bearing ring, 13-outer bearing ring, 14-clamping groove, 15-limiting protrusion, 16-limiting plate, 17-limiting cavity, 18-limiting spring, 19-rubber particle and 20-rubber plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a seal cover assembly of energy-conserving axial-flow pump, including pump case 1, sealing ring 4 and inner race 12, the welding of the both sides inner wall of pump case 1 has closing plate 5, and the outer wall of closing plate 5 is opened there are four draw-in grooves 14, the welding of the outer wall of sealing ring 4 has four fixture blocks 7, and four fixture blocks 7 joint in the inner wall of four draw-in grooves 14, the same position of sealing ring 4 and closing plate 5 is opened there is dead eye 6, the inner wall of dead eye 6 is equipped with outer race 13, and the inner wall of outer race 13 and the outer wall of inner race 12 all open flutedly, ball 11 has been placed to the inner wall of two recesses, the cavity intussuseption that outer race 13 and inner race 12 formed is filled with sealing rubber 10, the inner wall of inner race 12 is pegged graft and is had transmission shaft 2, oil inlet 9 has.

The utility model discloses in, the both sides inner wall of pump case 1 passes through fix with screw stopper 3, and the outer wall of stopper 3 passes through fix with screw stopper ring 8, the both sides inner wall that closing plate 5 is close to draw-in groove 14 all is equipped with spacing chamber 17, and the inner wall of two spacing chambers 17 all has two spacing springs 18 through fix with screw, the other end outer wall of two spacing springs 18 passes through fix with screw stopper plate 16, two relative one side outer walls of limiting plate 16 all weld spacing arch 15, peg graft in the inner wall of spacing ring 8 transmission shaft 2, the both sides inner wall that draw-in groove 14 is close to limiting plate 16 all has two rubber slab 20 through fix with screw, and two rubber slab 20 all weld the rubber grain 19 near one side outer wall of limiting plate 16.

The working principle is as follows: when the axial-flow pump works, a motor is started, the motor drives a transmission shaft 2, the transmission shaft 2 drives an impeller to rotate, when external liquid enters the axial-flow pump, a liquid inlet end and a driving end of the axial-flow pump are separated by arranging a sealing ring 4 and a sealing plate 5, the driving motor is prevented from being damaged when the liquid enters the driving motor, the safety performance of the device is improved, when the transmission shaft 2 rotates on the inner wall of a bearing, a ball 11 is arranged on the inner wall of a groove formed in the same position of an outer bearing ring 13 and an inner bearing ring 12, sealing rubber 10 is filled between the outer bearing ring 13 and the inner bearing ring 12, the bearing can rotate, a gap existing in the bearing is removed, the driving structure is prevented from being corroded by the liquid, when the sealing ring 4 needs to be replaced after the axial-flow pump is used, the sealing ring 4 is directly taken out from the inner wall of a clamping groove, the sealing ring 4 can be conveniently disassembled and assembled.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A sealing sleeve assembly of an energy-saving axial-flow pump comprises a pump shell (1), a sealing ring (4) and an inner bearing ring (12), and is characterized in that sealing plates (5) are welded on the inner walls of two sides of the pump shell (1), four clamping grooves (14) are formed in the outer wall of each sealing plate (5), four clamping blocks (7) are welded on the outer wall of each sealing ring (4), the four clamping blocks (7) are clamped on the inner walls of the four clamping grooves (14), bearing holes (6) are formed in the same positions of the sealing rings (4) and the sealing plates (5), an outer bearing ring (13) is arranged on the inner wall of each bearing hole (6), grooves are formed in the inner wall of each outer bearing ring (13) and the outer wall of the inner bearing ring (12), balls (11) are placed on the inner walls of the two grooves, sealing rubber (10) is filled in a cavity formed by the outer bearing rings (13) and the inner bearing rings (12), and a transmission shaft (2), oil inlet holes (9) are formed in the outer walls of the sealing ring (4) and the outer bearing ring (13).

2. A sealing sleeve assembly for an energy-saving axial-flow pump according to claim 1, wherein the inner walls of both sides of the pump casing (1) are provided with limit rods (3), and the outer wall of the limit rod (3) is provided with a limit ring (8).

3. A seal cartridge assembly for an energy-saving axial-flow pump according to claim 1, wherein the inner walls of the two sides of the seal plate (5) close to the clamping groove (14) are provided with two limit cavities (17), and the inner walls of the two limit cavities (17) are provided with two limit springs (18).

4. A seal jacket assembly of an energy-saving axial flow pump according to claim 3, wherein the outer wall of the other end of the two limit springs (18) is provided with a limit plate (16).

5. A seal sleeve assembly of an energy-saving axial-flow pump according to claim 4, wherein, the outer wall of one side of each of the two limit plates (16) opposite to each other is welded with a limit bulge (15).

6. A gland component of an energy-saving axial flow pump according to claim 1, wherein the transmission shaft (2) is inserted into the inner wall of the limit ring (8).

7. A sealing sleeve assembly for an energy-saving axial-flow pump according to claim 1, wherein two rubber plates (20) are respectively disposed on the inner walls of two sides of the clamping groove (14) close to the limiting plate (16), and rubber particles (19) are respectively welded on the outer walls of one sides of the two rubber plates (20) close to the limiting plate (16).