CN217976697U - Thrust bearing assembly for magnetic pump - Google Patents

Abstract

The utility model relates to a pump industry machinery provides a thrust bearing subassembly for magnetic drive pump, including thrust ring, thrust dish and thrust ring gland, the thrust dish with thrust ring gland threaded connection, the thrust ring is located the thrust dish with between the thrust ring gland, be equipped with the spring that is used for pressing from both sides tight thrust ring between thrust ring and the thrust dish. The thrust bearing component is assembled in a thread matching mode, so that the problems can be solved fundamentally, the production cost is greatly reduced, and the thrust bearing component is very favorable for manufacturers and users; the thread matching is used for fixing, so that no special requirements are required on the working environment, the self material of the part is good in corrosion resistance, the factors with large temperature difference change can not cause adverse effects on the performance of the thrust bearing assembly except normal mechanical wear, the potential safety hazard can be avoided, and the thrust bearing assembly does not need to be frequently replaced.

Description

Thrust bearing assembly for magnetic pump

Technical Field

The utility model relates to a pump industry machinery especially relates to a thrust bearing assembly for magnetic pump under the great and more abominable operational environment of corrosivity of temperature change.

Background

The thrust bearing assembly is an important part for keeping the magnetic pump normally running, the whole rotor part of the magnetic pump is soaked in a medium, axial force is generated by the front cover plate and the rear cover plate of the impeller due to unbalanced pressure when the magnetic pump runs, the axial force is directly applied to the thrust bearing assembly, most of the axial force is balanced in the design process, and the residual axial force needs to be borne by the thrust bearing assembly.

Especially, when the temperature of a conveying medium is too high, too low and high in corrosivity, and when the conveying medium is continuously started and stopped for operation, the axial force still exists, the axial force can also be changed along with the change of the operation condition, so that the bearing is abnormal, the anti-rotation failure of the thrust bearing assembly is easily caused, sufficient attention should be given to the design of the thrust bearing assembly of the magnetic pump, and the normal use performance of a product is ensured.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem that exists among the above-mentioned prior art, the utility model discloses a main aim at provides a thrust bearing subassembly for magnetic drive pump to thrust bearing subassembly is assembled to screw-thread fit's form, not only can fundamentally solve the problem, and manufacturing cost will significantly reduce moreover, no matter all very favourable to producer or user, can adapt to the temperature variation big and corrosive comparatively abominable operational environment.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:

the utility model provides a footstep bearing subassembly for magnetic drive pump, including thrust collar, thrust disc and thrust collar gland, the thrust disc with thrust collar gland threaded connection, the thrust collar is located the thrust disc with between the thrust collar gland, be equipped with the spring that is used for pressing from both sides tight thrust collar between thrust collar and the thrust disc.

As a further scheme of the utility model, be equipped with the external screw thread on the thrust plate lateral wall, be equipped with the internal thread on the thrust ring gland inside wall, when the equipment, the thrust plate twist soon in the thrust ring gland.

As a further aspect of the utility model, the thrust dish orientation one side of thrust collar gland is equipped with annular recess, the recess is used for placing of thrust collar.

As a further aspect of the utility model, be provided with at least one spring clamping groove in the recess of thrust dish, spring clamping groove follows the equidistant distribution of circumference in the recess, spring one end card is established in the spring clamping groove, the spring other end with the thrust collar offsets for press from both sides tight thrust collar.

As the utility model discloses a further scheme, be provided with at least one cylindric lock in the recess of thrust dish, the orientation is gone up to the thrust ring be provided with at least one spacing pinhole on the side that the inner groovy of thrust dish set up, spacing pinhole is used for the cylindric lock to insert, and under the spacing of cylindric lock, prevents that the thrust ring from rotating for the thrust dish, improves and prevents changeing the effect, avoids footstep bearing subassembly to prevent changeing inefficacy.

As a further aspect of the utility model, the thrust collar outside is equipped with the step face, it is right to be equipped with on the thrust collar gland the spacing clamping ring of thrust collar, the clamping ring of thrust collar gland with the step face of thrust collar offsets, and is used for rightly the thrust collar is spacing and stop.

As the utility model discloses a further scheme, thrust ring gland side is provided with at least one screw, the screw runs through thrust ring gland lateral wall sets up, it has holding screw to twist in the screw.

As a further aspect of the utility model, set screw with the thrust dish offsets for with the thrust dish for the thrust ring gland locking takes place rotatoryly between the two after avoiding threaded connection.

As the utility model discloses a further scheme, the thrust dish lateral wall is provided with at least one locking hole, the locking hole is used for holding screw twists, fixes thrust dish and thrust collar gland relatively connected through holding screw to it is spacing to the thrust dish, places the thrust dish and takes place to rotate with the thrust collar gland.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model provides a thrust bearing assembly for a magnetic pump, which is assembled in a thread fit mode, not only can fundamentally solve the problem, but also greatly reduces the production cost, and is extremely favorable for manufacturers and users; the thread matching is used for fixing, so that no special requirements are required on the working environment, the self material of the part is good in corrosion resistance, the factors with large temperature difference change can not cause adverse effects on the performance of the thrust bearing assembly except normal mechanical wear, the potential safety hazard can be avoided, and the thrust bearing assembly does not need to be frequently replaced.

The utility model discloses fundamentally has solved footstep bearing assembly and has changed the normal work under the big and various abominable operating modes such as corrosivity seriously of difference in temperature, moreover, the structure of the pump that still optimizes greatly has practiced thrift a large amount of raw and other materials and manpower resources, the manufacturing cost that has significantly reduced, the performance of equipment is more stable moreover.

These and other aspects of the invention will be apparent from and elucidated with reference to the embodiments described hereinafter. It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following descriptions are only some embodiments of the present invention. In the drawings:

fig. 1 is a schematic cross-sectional view of a thrust bearing assembly for a magnetic pump according to an embodiment of the present invention;

fig. 2 is an exploded view of a thrust bearing assembly for a magnetic pump according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a thrust bearing assembly for a magnetic pump according to an embodiment of the present invention.

Reference numbers in the figures: 1-thrust ring, 2-thrust disc, 3-thrust ring gland, 4-set screw, 5-cylindrical pin and 6-spring.

The purpose of the present invention is to provide a portable electronic device, which can be easily and conveniently operated.

Detailed Description

This section will describe in detail the embodiments of the present invention, the preferred embodiments of which are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can visually and vividly understand each technical feature and the whole technical solution of the present invention, but it cannot be understood as a limitation to the scope of the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number.

In the utility model discloses an in the description, to the continuous reference numeral of method step be for the convenience examination and understanding, combine the utility model discloses an overall technical scheme and the logical relation between each step, the implementation order between the adjustment step can not influence the utility model discloses technical scheme reaches technical effect.

In the description of the present invention, unless there is a clear limitation, words such as setting should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.

Because the axial force still exists when the temperature of a conveying medium is too high, too low and high in corrosivity of the existing thrust bearing assembly and the operation is started and stopped continuously, the axial force can also be changed along with the change of the operation working condition, so that the bearing is abnormal, and the anti-rotation failure of the thrust bearing assembly is easy to realize.

The utility model provides a thrust bearing subassembly for magnetic drive pump to thrust bearing subassembly is assembled to screw-thread fit's form, not only can fundamentally solution problem, and manufacturing cost will significantly reduce moreover, no matter all very favourable to producer or user, can adapt to temperature variation big and corrosive nature relatively abominable operational environment.

Referring to fig. 1, 2 and 3, an embodiment of the present invention provides a thrust bearing assembly for a magnetic pump, including a thrust collar 1, a thrust disk 2 and a thrust collar gland 3, the thrust disk 2 is in threaded connection with the thrust collar gland 3, the thrust collar 1 is located between the thrust collar 2 and the thrust collar gland 3, and a spring 6 for clamping the thrust collar 1 is arranged between the thrust collar 1 and the thrust collar 2.

Referring to fig. 1 and 2, an external thread is provided on the outer side wall of the thrust disk 2, and an internal thread is provided on the inner side wall of the thrust ring gland 3. In the embodiment of the present invention, when assembling, the thrust disk 2 is screwed into the thrust ring gland 3, so as to connect the thrust disk with the thrust ring gland 3, so as to lock the thrust ring 1 between the thrust disk 2 and the thrust ring gland 3.

In order to further improve the installation firmness degree and the connection stability of a spring 6 connected between the thrust collar 1 and the thrust disc 2, at least one spring clamping groove is formed in a groove of the thrust disc 2, the spring clamping grooves are distributed at equal intervals along the circumferential direction in the groove, one end of the spring 6 is clamped in the spring clamping groove, and the other end of the spring 6 abuts against the thrust collar 1 and is used for clamping the thrust collar 1.

In the embodiment of the present invention, as shown in fig. 2, 4 spring clamping grooves are provided in the groove of the thrust disk 2, and the 4 spring clamping grooves are distributed along the circumferential direction of the thrust disk 2 at equal intervals, at least one cylindrical pin 5 is provided in the groove of the thrust disk 2, and the cylindrical pin 5 is located between adjacent spring clamping grooves.

At least one limiting pin hole is formed in one side face, facing the inner groove of the thrust disc 2, of the thrust ring 1 and used for inserting the cylindrical pin 5, the thrust ring 1 is prevented from rotating relative to the thrust disc 2 under the limiting effect of the cylindrical pin 5, the anti-rotation effect is improved, and the anti-rotation failure of the thrust bearing assembly is avoided.

The utility model discloses an embodiment, the 1 outside of thrust collar is equipped with the step face, it is right to be equipped with on the thrust collar gland 3 be used for the spacing clamping ring of thrust collar 1, the clamping ring of thrust collar gland 3 with the step face of thrust collar 1 offsets, and is used for rightly the thrust collar 1 is spacing and stop.

The utility model discloses an in some embodiments, 3 sides of thrust ring gland are provided with at least one screw, the screw runs through 3 lateral walls of thrust ring gland set up, the screw internal rotation is twisted and is had holding screw 4.

The set screw 4 abuts against the thrust disk 2 and is used for locking the thrust disk 2 relative to the thrust ring gland 3 and preventing the two components from rotating after being connected in a threaded manner.

The utility model discloses an in some embodiments, 2 lateral walls of thrust dish are provided with at least one locking hole, the locking hole is used for set screw 4 twists, and is connected thrust dish 2 and thrust collar gland 3 relatively fixedly through set screw 4 to it is spacing to thrust dish 2, place thrust dish 2 and thrust collar gland 3 and take place to rotate.

The utility model provides a thrust bearing assembly for a magnetic pump, which is assembled in a thread matching manner, not only can solve the problem fundamentally, but also greatly reduces the production cost, and is extremely beneficial to both manufacturers and users; the thread matching is used for fixing, so that no special requirements are required on the working environment, the self material of the part is good in corrosion resistance, the factors with large temperature difference change can not cause adverse effects on the performance of the thrust bearing assembly except normal mechanical wear, the potential safety hazard can be avoided, and the thrust bearing assembly does not need to be frequently replaced.

The above is only the preferred embodiment of the present invention, and the patent scope of the present invention is not limited thereby, and all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings of the present invention, or directly or indirectly applied to other related technical fields, are included in the same way in the patent protection scope of the present invention.

Claims (9)

1. The thrust bearing assembly for the magnetic pump is characterized by comprising a thrust ring (1), a thrust disc (2) and a thrust ring gland (3), wherein the thrust disc (2) is in threaded connection with the thrust ring gland (3), the thrust ring (1) is located between the thrust disc (2) and the thrust ring gland (3), and a spring (6) used for clamping the thrust ring (1) is arranged between the thrust ring (1) and the thrust disc (2).

2. Thrust bearing assembly for a magnetic pump according to claim 1, characterized in that the thrust disc (2) is provided on its outer side with an external thread and the thrust ring gland (3) is provided on its inner side with an internal thread.

3. Thrust bearing assembly for a magnetic pump according to claim 2, characterized in that the side of the thrust disc (2) facing the thrust ring gland (3) is provided with an annular groove for the placement of the thrust ring (1).

4. Thrust bearing assembly for a magnetic pump according to claim 3, characterized in that at least one spring slot is provided in the groove of the thrust disc (2), said spring slots are distributed at equal intervals along the circumference of the groove, one end of the spring (6) is clamped in the spring slot, and the other end of the spring (6) abuts against the thrust ring (1).

5. Thrust bearing assembly for a magnetic pump according to claim 4, characterized in that said thrust disc (2) has at least one cylindrical pin (5) arranged in a groove thereof, said thrust ring (1) having at least one stop pin hole arranged on a side thereof facing the groove in the thrust disc (2), said stop pin hole being adapted for the insertion of the cylindrical pin (5).

6. The thrust bearing assembly for the magnetic pump according to claim 5, wherein a step surface is arranged on the outer side of the thrust ring (1), a pressing ring for limiting the thrust ring (1) is arranged on the thrust ring pressing cover (3), and the pressing ring of the thrust ring pressing cover (3) abuts against the step surface of the thrust ring (1).

7. Thrust bearing assembly for a magnetic pump according to claim 1, characterized in that the thrust ring gland (3) is provided laterally with at least one threaded hole arranged through the side wall of the thrust ring gland (3), said threaded hole having a set screw (4) screwed therein.

8. Thrust bearing assembly for a magnetic pump according to claim 7, characterized in that said set screw (4) abuts against said thrust disc (2) for locking the thrust disc (2) with respect to said thrust ring gland (3).

9. Thrust bearing assembly for a magnetic pump according to claim 8, characterized in that the thrust disk (2) is provided on its outer side wall with at least one locking hole for the screwing in of the set screw (4).

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