CN212959228U - Draining pump with graphite bearing - Google Patents

Abstract

The utility model discloses a drain pump with graphite bearing, including pivot seat and rotation magnetic core output, it alternates in the pivot seat to rotate the magnetic core output, it is connected with the rotation impeller to rotate the magnetic core output, be provided with the graphite bearing in the pivot seat, it passes the graphite bearing to rotate the magnetic core output, the utility model provides a rotation magnetic core output and the problem of drain pump junction rotation performance among the current drain pump, through being provided with the graphite bearing, it is poor from the lubrication, can be high temperature resistant, the bearing is difficult to be corroded, and weight is lighter, can provide a structure stable in use, lubricated effectual, and simple structure, convenient to use.

Description

Draining pump with graphite bearing

Technical Field

The utility model relates to a drain pump specifically is a drain pump with graphite bearing.

Background

The principle of the drainage pump is that rotating water flies away from an impeller under the action of centrifugal force, and after the water in the pump is thrown out, the central part of the impeller forms a vacuum area.

The water from the water source is pressed into the water inlet pipe through the pipe network under the action of atmospheric pressure and then is discharged from the water discharge pipe; thus, continuous water pumping can be realized after circulation is not completed.

However, the bearings at the connection between the output end of the rotating magnetic core and the drain pump in the existing drain pump are poor in self-lubrication, easy to damage when meeting high temperature, and unable to resist high temperature, and often contact with moisture, and easily contact with corrosive liquid, the bearings are easily corroded, and the weight is heavy, etc., and thus a bearing which is stable in use cannot be provided.

Thus, the conventional drain pump is further improved.

Disclosure of Invention

The utility model aims at providing a drain pump with graphite bearing.

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

the utility model provides a drain pump with graphite bearing, is including pivot seat and rotation magnetic core output, the rotation magnetic core output alternates in the pivot seat, the rotation magnetic core output is connected with the rotation impeller, be provided with graphite bearing in the pivot seat, the rotation magnetic core output passes graphite bearing.

Further, a bearing mounting hole is formed in the axis of the rotating shaft seat, and a graphite bearing is mounted in the bearing mounting hole.

Furthermore, an annular groove is formed in the circumferential edge of one side, close to the bearing mounting hole, of the graphite bearing, and a sealing ring is mounted in the annular groove.

Further, a sealing ring baffle is arranged on the edge of the inner wall of the bearing mounting hole.

Further, the output end of the rotating magnetic core and the rotating impeller are connected through a threaded connection structure.

Furthermore, the threaded connection structure comprises an external thread arranged at the output end of the rotary magnetic core and a thread sleeve mounting hole arranged at the position of the axis of the rotary impeller, an internal thread sleeve is fixedly arranged in the thread sleeve mounting hole, and the external thread is in threaded connection with the internal thread sleeve.

Furthermore, the circumferential outer wall of the internal thread sleeve is uniformly provided with a plurality of convex strips which are arranged in the front and at the back.

Further, the internal thread sleeve is riveted on the inner wall of the thread sleeve mounting hole.

Furthermore, a plurality of mounting holes are formed in the rotating shaft seat, and the circumference of each mounting hole is uniformly distributed on the surface of the rotating shaft seat.

Further, the sealing ring is in interference fit in the bearing mounting hole.

To sum up, the utility model discloses for its beneficial effect of prior art is:

the utility model provides a problem of rotation magnetic core output and drain pump junction rotation performance among the current drain pump, through being provided with the graphite bearing, its self-lubricating is good, can be high temperature resistant, and the bearing is difficult to corroded, and weight is lighter, can provide a stable in use, lubricated effectual structure, and simple structure, convenient to use.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a right side view of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of the present invention;

fig. 4 is one of exploded views of the present invention;

fig. 5 is a second exploded view of the present invention;

fig. 6 shows the connection structure between the rotating impeller and the rotating magnetic core output end of the present invention.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution:

the utility model provides a drain pump with graphite bearing, is including pivot seat 1 and rotation magnetic core output 2, rotation magnetic core output 2 alternates in pivot seat 1, rotation magnetic core output 2 is connected with rotating impeller 3, be provided with graphite bearing 4 in the pivot seat 1, rotation magnetic core output 2 passes graphite bearing 4, and pivoted rotation magnetic core output 2 is accepted to graphite bearing 4 in the use, and its graphite bearing 4 plays better lubricated effect, and the rotating property is better.

Axle center department of pivot seat 1 is provided with bearing mounting hole 101, install graphite bearing 4 in the bearing mounting hole 101, graphite bearing 4 covers outside rotating magnetic core output 2 to install and fix in bearing mounting hole 101.

Graphite bearing 4 is close to bearing mounting hole 101 one side circumferential edge and is provided with annular groove 401, install sealing washer 402 in the annular groove 401, sealing washer 402 plays water-proof effects, prevents in the moisture entering equipment.

Bearing mounting hole 101 inner wall edge is provided with sealing washer baffle 1011, and sealing washer baffle 1011 prevents that sealing washer 402 from falling out.

Rotate and connect through threaded connection structure 201 between magnetic core output 2 and the rotating impeller 3, provide a detachable connection structure.

Threaded connection 201 sets up swivel nut mounting hole 2012 rotating 3 axle centers of impeller department including setting up at the external screw thread 2011 of rotating magnetic core output 2, fixed mounting has interior thread bush 2013 in swivel nut mounting hole 2012, external screw thread 2011 and interior thread bush 2013 carry out threaded connection, and with rotating impeller 3 through rotatory impeller 3, will rotate impeller 3 and dismantle.

Female thread bush 2013 circumference outer wall equipartition has sand grip 2014 that sets up around many.

The internal thread bush 2013 is riveted on the inner wall of the thread bush mounting hole 2012.

Be provided with a plurality of mounting holes 100 on pivot seat 1, mounting hole 100 circumference equipartition penetrates a plurality of mounting holes 100 and is connected with the drain pump through the screw on 1 surface of pivot seat, fixes pivot seat 1.

Sealing washer 402 interference fit is in bearing mounting hole 101.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only illustrative of the principles of the present invention, and the present invention can be modified in various ways without departing from the spirit and scope of the present invention, and these modifications and changes fall into the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a drain pump with graphite bearing, is including pivot seat (1) and rotating magnetic core output (2), rotating magnetic core output (2) alternates in pivot seat (1), rotating magnetic core output (2) are connected with impeller (3), its characterized in that: a graphite bearing (4) is arranged in the rotating shaft seat (1), and the rotating magnetic core output end (2) penetrates through the graphite bearing (4).

2. A drain pump provided with graphite bearings according to claim 1, wherein a bearing mounting hole (101) is provided at the axial center of said rotary shaft base (1), and said graphite bearings (4) are mounted in said bearing mounting hole (101).

3. A drain pump provided with a graphite bearing according to claim 2, characterized in that the graphite bearing (4) is provided with an annular groove (401) at a side circumferential edge thereof close to the bearing mounting hole (101), and a seal ring (402) is mounted in the annular groove (401).

4. A drain pump provided with graphite bearings, according to claim 3, characterized in that the edge of the inner wall of the bearing mounting hole (101) is provided with a seal ring baffle (1011).

5. A drain pump provided with graphite bearings, according to any of claims 1-4, characterized in that the connection between the outlet end (2) of the rotating magnetic core and the rotating impeller (3) is made by means of a screw connection (201).

6. A draining pump with graphite bearing according to claim 5, wherein the screw connection structure (201) comprises an external thread (2011) arranged at the output end (2) of the rotary magnetic core, a barrel installation hole (2012) arranged at the axial center of the rotary impeller (3), an internal thread barrel (2013) is fixedly installed in the barrel installation hole (2012), and the external thread (2011) and the internal thread barrel (2013) are in screw connection.

7. A draining pump with graphite bearing according to claim 6, wherein the inner thread sleeve (2013) is provided with a plurality of raised lines (2014) arranged in front and back on the circumferential outer wall.

8. A drain pump provided with graphite bearings, according to claim 7, characterized in that said internally threaded socket (2013) is riveted to the inner wall of the socket mounting hole (2012).

9. A draining pump with graphite bearing according to any one of claims 1-4, characterized in that the rotating shaft seat (1) is provided with a plurality of mounting holes (100), and the mounting holes (100) are circumferentially and uniformly distributed on the surface of the rotating shaft seat (1).

10. A drain pump provided with graphite bearings, according to claim 3 or 4, characterized in that the sealing ring (402) is interference fitted in the bearing mounting hole (101).

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