CN211874823U - Double-layer isolation sleeve for magnetic pump - Google Patents

Abstract

The utility model discloses a double-deck separation sleeve for magnetic drive pump, including support, first separation sleeve, second separation sleeve, outer magnetic rotor, connecting rod, bearing plate, connecting plate, loading board, sleeve axle, fixed axle, inlet tube, outlet pipe, connecting pipe, port, connecting axle, end cover, clamp plate, pivot, interior magnetic rotor and spacing axle. The utility model discloses simple structure, convenient operation can improve the pressure-bearing effect of separation sleeve through double-deck separation sleeve design, avoids the problem that the high pressure that produces in the separation sleeve leads to damaging when the magnetic pump is worked, can improve withstand voltage effect through adopting bearing plate and loading board, has improved the life of separation sleeve; the utility model discloses a set up the radiating efficiency that the cooling water of circulation can improve the separation sleeve between the separation sleeve, solved in the separation sleeve because of producing the vortex and lead to the problem that the high temperature is difficult for scattering and cause the separation sleeve to damage, improved the result of use of magnetic drive pump.

Description

Double-layer isolation sleeve for magnetic pump

Technical Field

The utility model relates to an isolation sleeve specifically is a double-deck isolation sleeve for magnetic drive pump belongs to isolation sleeve application technical field.

Background

The magnetic pump isolation sleeve is a sealing device applied to a magnetic pump, the magnetic pump belongs to a branch of the field of water pumps, and is a new product applying the working principle of a permanent magnet coupling to a centrifugal pump. Because the sliding bearing of the magnetic pump is lubricated by the conveyed medium, different materials are selected to manufacture the bearing according to different media and use working conditions.

The isolation sleeve of the magnetic pump plays a sealing role, so that the high pressure generated when the fluid enters the isolation sleeve easily causes the damage of the isolation sleeve and is not beneficial to the long-time use of the isolation sleeve; when the metal spacer bush works, the spacer bush generates heat due to eddy current generated by the metal spacer bush, the damage rate of the spacer bush is increased, and the service time is shortened. Therefore, a double-layer isolation sleeve for a magnetic pump is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a double-deck separation sleeve for magnetic drive pump just in order to solve above-mentioned problem.

The utility model realizes the purpose through the following technical proposal, a double-layer isolation sleeve for a magnetic pump, which comprises a first isolation sleeve, a second isolation sleeve, an installation mechanism and a cooling mechanism which are positioned inside a bracket;

the mounting mechanism comprises a bearing plate and a bearing plate, the bearing plate is fixedly connected with the inner wall of the first isolation sleeve through a connecting rod, the bearing plate is fixedly connected with the bottom surface of the first isolation sleeve through a connecting plate, the side wall of the bearing plate is fixedly connected with the sleeve shaft, the side wall of the end part of the second isolation sleeve is fixedly connected with a fixed shaft, the fixed shaft is in threaded connection with the first isolation sleeve, and the inner wall of the first isolation sleeve is fixedly connected with the limiting shaft;

cooling body includes inlet tube and outlet pipe, inlet tube and outlet pipe all communicate with the fixed axle, inlet tube and outlet pipe tip all with connecting pipe threaded connection, and connecting pipe tip and port fixed connection, support side and connecting axle fixed connection, connecting axle and end cover threaded connection, end cover inner wall and clamp plate fixed connection, and all with pivot through connection in the middle part of end cover and the clamp plate.

Preferably, the second isolation sleeve is positioned inside the first isolation sleeve, the first isolation sleeve and the second isolation sleeve are both in a circular ring structure, and the first isolation sleeve and the bracket are rotatably connected with the outer magnetic rotor.

Preferably, be equipped with four bearing plates between first spacer sleeve and the second spacer sleeve, four bearing plates all are the ring structure, and every loading board lateral wall all with four connecting rod fixed connection.

Preferably, the second isolation sleeve is fixedly connected with a fixed shaft of the circular ring-shaped structure, the fixed shaft and the first isolation sleeve are in sealed sleeve joint, the limiting shaft of the inner wall of the first isolation sleeve is of the circular ring-shaped structure, the limiting shaft is provided with a plurality of openings, and the second isolation sleeve is arranged inside the limiting shaft.

Preferably, the bottom end of the second isolation sleeve is sleeved with the inner part of the sleeve shaft, the outer surface of the second isolation sleeve is contacted with a bearing plate, and the side wall of the end part of the second isolation sleeve is contacted with a pressing plate.

Preferably, the rotating shaft is rotatably connected with the middle parts of the end cover and the pressing plate, the inner magnetic rotor at the end part of the rotating shaft is positioned inside the second isolation sleeve, and a connecting shaft of a circular ring structure is arranged between the end cover and the pressing plate.

The utility model has the advantages that:

1. the utility model discloses simple structure, convenient operation can improve the pressure-bearing effect of separation sleeve through double-deck separation sleeve design, avoids the problem that the high pressure that produces in the separation sleeve leads to damaging when the magnetic pump is worked, can improve withstand voltage effect through adopting bearing plate and loading board, has improved the life of separation sleeve;

2. the utility model discloses a set up the radiating efficiency that the cooling water of circulation can improve the separation sleeve between the separation sleeve, solved in the separation sleeve because of producing the vortex and lead to the problem that the high temperature is difficult for scattering and cause the separation sleeve to damage, improved the result of use of magnetic drive pump.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention;

FIG. 2 is a schematic side view of the pressure-bearing plate of the present invention;

fig. 3 is a schematic side view of the first isolation sleeve of the present invention.

In the figure: 1. the bearing comprises a support, 2, a first isolation sleeve, 3, a second isolation sleeve, 4, an outer magnetic rotor, 5, a connecting rod, 6, a bearing plate, 7, a connecting plate, 8, a bearing plate, 9, a sleeve shaft, 10, a fixing shaft, 11, a water inlet pipe, 12, a water outlet pipe, 13, a connecting pipe, 14, a port, 15, a connecting shaft, 16, an end cover, 17, a pressing plate, 18, a rotating shaft, 19, an inner magnetic rotor, 20 and a limiting shaft.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

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

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those 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 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 double-layer spacer sleeve for a magnetic pump includes a first spacer sleeve 2, a second spacer sleeve 3, a mounting mechanism and a cooling mechanism inside a bracket 1;

the mounting mechanism comprises a bearing plate 6 and a bearing plate 8, the bearing plate 6 is fixedly connected with the inner wall of the first isolation sleeve 2 through a connecting rod 5, the bearing plate 8 is fixedly connected with the bottom surface of the first isolation sleeve 2 through a connecting plate 7, the side wall of the bearing plate 8 is fixedly connected with a sleeve shaft 9, the side wall of the end part of the second isolation sleeve 3 is fixedly connected with a fixed shaft 10, the fixed shaft 10 is in threaded connection with the first isolation sleeve 2, and the inner wall of the first isolation sleeve 2 is fixedly connected with a limiting shaft 20;

cooling body includes inlet tube 11 and outlet pipe 12, inlet tube 11 and outlet pipe 12 all communicate with fixed axle 10, inlet tube 11 and outlet pipe 12 tip all with connecting pipe 13 threaded connection, and connecting pipe 13 tip and port 14 fixed connection, 1 side of support and connecting axle 15 fixed connection, connecting axle 15 and end cover 16 threaded connection, 16 inner walls of end cover and clamp plate 17 fixed connection, and all with pivot 18 through connection in the middle part of end cover 16 and clamp plate 17.

The second isolation sleeve 3 is positioned inside the first isolation sleeve 2, the first isolation sleeve 2 and the second isolation sleeve 3 are both in a circular ring structure, and the first isolation sleeve 2 and the bracket 1 are rotationally connected with the outer magnetic rotor 4; four bearing plates 6 are arranged between the first isolation sleeve 2 and the second isolation sleeve 3, the four bearing plates 6 are all in a circular structure, and the side wall of each bearing plate 8 is fixedly connected with four connecting rods 5; the second isolation sleeve 3 is fixedly connected with a fixed shaft 10 of a circular ring-shaped structure, the fixed shaft 10 and the first isolation sleeve 2 are in sealed sleeve joint, a limiting shaft 20 on the inner wall of the first isolation sleeve 2 is of a circular ring-shaped structure, a plurality of openings are formed in the limiting shaft 20, and the second isolation sleeve 3 is arranged inside the limiting shaft 20; the bottom end of the second isolation sleeve 3 is sleeved with the inner part of the sleeve shaft 9, the outer surface of the second isolation sleeve 3 is contacted with the bearing plate 6, and the side wall of the end part of the second isolation sleeve 3 is contacted with the pressing plate 17; the rotating shaft 18 is rotatably connected with the middle parts of the end cover 16 and the pressing plate 17, the inner magnetic rotor 19 at the end part of the rotating shaft 18 is positioned inside the second isolation sleeve 3, and the connecting shaft 15 with a circular ring-shaped structure is arranged between the end cover 16 and the pressing plate 17.

When the utility model is used, the second isolation sleeve 3 is placed in the first isolation sleeve 2, the second isolation sleeve 3 is limited by the limiting shaft 20, the bearing plate 6 and the sleeve shaft 9, the end part of the first isolation sleeve 2 is connected on the fixed shaft 10 by screw thread, and then the first isolation sleeve 2 and the second isolation sleeve 3 are fixed, the first isolation sleeve 2 is placed in the bracket 1, after the operation is completed, the rotating shaft 18 and the inner magnetic rotor 19 are placed in the second isolation sleeve 3, and the end cover 16 is screwed on the connecting shaft 15, so that the pressing plate 17 is propped against the side wall of the first isolation sleeve 2, and then the first isolation sleeve 2 is clamped by the pressing plate 17 and the bracket 1, at the moment, the water inlet pipe 11 and the water outlet pipe 12 on both sides of the fixed shaft 10 respectively correspond to the connecting pipe 13, then the connecting pipe 13 is screwed, so that the end part of the connecting pipe 13 is respectively connected with the end parts of the water inlet pipe 11 and the water outlet pipe 12, and then the port, make the cooling water flow to between first spacer sleeve 2 and the second spacer sleeve 3 through inlet tube 11, and flow and then play good radiating effect by outlet pipe 12, avoid the during operation to lead to the problem of spacer sleeve damage because of high temperature, place outer magnet rotor 4 between first spacer sleeve 2 and support 1, when driving outer magnet rotor 4 through the motor and rotate, magnetic field between outer magnet rotor 4 and the inner magnet rotor 19 drives inner magnet rotor 19 and rotates, the spacer sleeve plays the effect of static seal, avoid fluid leakage, when fluid gets into second spacer sleeve 3 inside, carry out the pressure-bearing through second spacer sleeve 3, bearing plate 6 and loading board 8 through connecting rod 5 and connecting plate 7 tip can play good supporting role, lead to the problem of spacer sleeve damage when avoiding using.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (6)

1. The utility model provides a double-deck separation sleeve for magnetic drive pump which characterized in that: the cooling device comprises a first isolation sleeve (2), a second isolation sleeve (3), a mounting mechanism and a cooling mechanism, wherein the first isolation sleeve and the second isolation sleeve are positioned in a bracket (1);

the mounting mechanism comprises a bearing plate (6) and a bearing plate (8), the bearing plate (6) is fixedly connected with the inner wall of the first isolation sleeve (2) through a connecting rod (5), the bearing plate (8) is fixedly connected with the bottom surface of the first isolation sleeve (2) through a connecting plate (7), the side wall of the bearing plate (8) is fixedly connected with a sleeve shaft (9), the side wall of the end part of the second isolation sleeve (3) is fixedly connected with a fixed shaft (10), the fixed shaft (10) is in threaded connection with the first isolation sleeve (2), and the inner wall of the first isolation sleeve (2) is fixedly connected with a limiting shaft (20);

cooling body includes inlet tube (11) and outlet pipe (12), inlet tube (11) and outlet pipe (12) all communicate with fixed axle (10), inlet tube (11) and outlet pipe (12) tip all with connecting pipe (13) threaded connection, and connecting pipe (13) tip and port (14) fixed connection, support (1) side and connecting axle (15) fixed connection, connecting axle (15) and end cover (16) threaded connection, end cover (16) inner wall and clamp plate (17) fixed connection, and end cover (16) and clamp plate (17) middle part all with pivot (18) through connection.

2. The double-layered insulating sleeve for a magnetic pump according to claim 1, wherein: the second isolation sleeve (3) is positioned inside the first isolation sleeve (2), the first isolation sleeve (2) and the second isolation sleeve (3) are both in a circular ring structure, and the first isolation sleeve (2) and the support (1) are rotatably connected with the outer magnetic rotor (4).

3. The double-layered insulating sleeve for a magnetic pump according to claim 1, wherein: four bearing plates (6) are arranged between the first isolation sleeve (2) and the second isolation sleeve (3), the four bearing plates (6) are of circular ring-shaped structures, and the side wall of each bearing plate (8) is fixedly connected with four connecting rods (5).

4. The double-layered insulating sleeve for a magnetic pump according to claim 1, wherein: second spacer sleeve (3) and fixed axle (10) fixed connection of ring structure, sealed cup joint between fixed axle (10) and first spacer sleeve (2), spacing axle (20) of first spacer sleeve (2) inner wall is ring structure, a plurality of opening has been seted up to spacing axle (20), and spacing axle (20) inside is equipped with second spacer sleeve (3).

5. The double-layered insulating sleeve for a magnetic pump according to claim 1, wherein: the bottom end of the second isolation sleeve (3) is sleeved with the inner part of the sleeve shaft (9), the outer surface of the second isolation sleeve (3) is contacted with the bearing plate (6), and the side wall of the end part of the second isolation sleeve (3) is contacted with the pressing plate (17).

6. The double-layered insulating sleeve for a magnetic pump according to claim 1, wherein: the rotating shaft (18) is rotatably connected with the middle parts of the end covers (16) and the pressing plates (17), the inner magnetic rotor (19) at the end part of the rotating shaft (18) is positioned inside the second isolating sleeve (3), and the connecting shaft (15) of a circular ring-shaped structure is arranged between the end covers (16) and the pressing plates (17).

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