CN220544779U - Wear-resistant sealing ring for motor rotor - Google Patents

Abstract

The utility model relates to the technical field of motor sealing rings and discloses a wear-resistant sealing ring for a motor rotor, which comprises a sealing ring main body and a motor end cover, wherein the sealing ring main body is arranged in the motor end cover in a penetrating way, a sealing inner layer is arranged on the surface, close to each other, of the side surface of the sealing ring main body and the side surface of the motor end cover, a through hole I is arranged in the sealing ring main body in a penetrating way, an inner grinding layer is arranged on the inner wall of the through hole I, and a sealing ring connector is detachably arranged outside the sealing ring main body. Through setting up sealing washer main part and sealing washer connector that can assemble to adopt screwed connection, can install the trompil department of motor end cover with the sealing washer fast, set up sealed inlayer and motor end cover surface laminating, can avoid grease to ooze from the gap between sealed inlayer and the motor end cover, improve sealing performance, set up support piece, under support piece's thrust, can make wear ring and motor rotor shaft surface contact always, guarantee sealed effect.

Description

Wear-resistant sealing ring for motor rotor

Technical Field

The utility model relates to the technical field of motor sealing rings, in particular to a wear-resistant sealing ring for a motor rotor.

Background

When current motor rotor shaft and end cover seal, need seal the processing generally, avoid the inside grease of motor to ooze or outside impurity enters into in the motor, traditional sealing means adopts O shape sealing washer to install on the end cover, and motor rotor shaft passes O shape sealing washer, but this kind of sealing means can lead to the sealing washer wearing and tearing after using for a long time, has the grease ooze or the outside impurity to get into the inside condition emergence that influences the motor operation of motor. Accordingly, one skilled in the art provides a wear-resistant seal ring for a motor rotor to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide a wear-resistant sealing ring for a motor rotor, which is used for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a wear-resisting sealing washer for motor rotor, includes sealing washer main part and motor end cover, the sealing washer main part runs through and installs in motor end cover's inside, sealing washer main part cross-section is the protruding font, the sealing washer main part with the surface that motor end cover side surface is close to each other is provided with sealed inlayer, the inside of sealing washer main part runs through and has seted up perforation one, the inner wall of perforation one is provided with interior wearing layer, the outside demountable installation of sealing washer main part has the sealing washer connector, perforation two has been seted up in the inside of sealing washer connector, just perforation two with perforation one coaxial line, the inside wall of perforation two is equipped with the rubber circle, the inboard of rubber circle is equipped with the antifriction circle.

As still further aspects of the utility model: the outer side surface of sealing washer main part is provided with the external screw thread, the inside wall of sealing washer connector is provided with the internal screw thread, just the internal screw thread with the mutual screwed connection of external screw thread.

As still further aspects of the utility model: the vertical distance between the left end of the external thread and the right side surface of the sealing inner layer is shorter than the thickness of the motor end cover, and the length of the internal thread is not smaller than the length of the external thread.

As still further aspects of the utility model: the sealing ring main body and the sealing ring connector are made of hard metal materials, the sealing inner layer, the inner grinding layer, the wear-resistant ring and the rubber ring are made of rubber, the sealing inner layer and the inner grinding layer are bonded through hot vulcanization, and the rubber ring and the sealing ring connector are bonded through hot vulcanization.

As still further aspects of the utility model: the inside of rubber circle is provided with support piece, support piece is annular structure, just support piece's cross-section is X shape, elastic groove has all been seted up to the both sides surface of rubber circle, elastic groove is located support piece's X shape's outside.

Compared with the prior art, the utility model has the beneficial effects that:

through setting up sealing washer main part and sealing washer connector that can assemble to adopt screwed connection, can install the trompil department of motor end cover with the sealing washer fast, set up sealed inlayer and motor end cover surface laminating, can avoid grease to ooze from the gap between sealed inlayer and the motor end cover, improve sealing performance, set up support piece, after the motor uses for a long time and lead to the wearing and tearing of wearing and tearing ring, under support piece's thrust, can make wear ring and motor rotor shaft surface contact always, and elastic groove has still been seted up to the outside of rubber ring, can avoid support piece to form pulling force to support piece when the expansion, guarantee sealed effect, thereby effectively avoid outside impurity to enter into inside the motor, improve the leakproofness.

Drawings

FIG. 1 is a schematic cross-sectional view of a wear-resistant seal ring for a motor rotor;

fig. 2 is an enlarged schematic view at a in fig. 1.

In the figure: 1. a seal ring main body; 2. a motor end cover; 3. sealing the inner layer; 4. an inner grinding layer; 5. an external thread; 6. a seal ring connector; 7. an internal thread; 8. a first through hole; 9. a second through hole; 10. wear-resistant ring; 11. a rubber ring; 12. a support; 13. and the elastic groove.

Detailed Description

Referring to fig. 1-2, in an embodiment of the utility model, a wear-resistant seal ring for a motor rotor includes a seal ring main body 1 and a motor end cover 2, the seal ring main body 1 is installed inside the motor end cover 2 in a penetrating manner, the cross section of the seal ring main body 1 is in a convex shape, a seal inner layer 3 is arranged on the surface, close to the side surfaces of the seal ring main body 1 and the motor end cover 2, a through hole I8 is formed in the seal ring main body 1 in a penetrating manner, an inner grinding layer 4 is arranged on the inner wall of the through hole I8, a seal ring connector 6 is detachably installed outside the seal ring main body 1, a through hole II 9 is formed in the seal ring connector 6 in a penetrating manner, the through hole II 9 and the through hole I8 are coaxial, a rubber ring 11 is arranged on the inner side wall of the through hole II 9, and a wear-resistant ring 10 is arranged on the inner side of the rubber ring 11.

Preferably, the outer side surface of the seal ring main body 1 is provided with an external thread 5, the inner side wall of the seal ring connector 6 is provided with an internal thread 7, the internal thread 7 and the external thread 5 are in mutual spiral connection, the vertical distance between the left end of the external thread 5 and the right side surface of the seal inner layer 3 is shorter than the thickness of the motor end cover 2, the length of the internal thread 7 is not smaller than the length of the external thread 5, the internal thread 7 and the external thread 5 are in spiral connection, the distance between the left end of the external thread 5 and the right side surface of the seal inner layer 3 is shorter than the thickness of the motor end cover 2, the length of the internal thread 7 is not smaller than the length of the external thread 5, when the seal ring connector 6 rotates, the left end of the seal ring connector 6 abuts against the right side surface of the motor end cover 2, and when the seal ring connector 6 is continuously rotated, the left side surfaces of the seal inner layer 3 and the motor end cover 2 are mutually extruded, thereby avoiding grease from seeping out from a gap between the seal inner layer 3 and the motor end cover 2, and sealing performance is improved.

Preferably, the seal ring main body 1 and the seal ring connecting body 6 are made of hard metal materials, such as aluminum alloy, copper and stainless steel, the seal inner layer 3, the inner grinding layer 4, the wear-resistant ring 10 and the rubber ring 11 are made of rubber, the seal inner layer 3 and the inner grinding layer 4 are bonded by hot vulcanization, the rubber ring 11 and the seal ring connecting body 6 are also bonded by hot vulcanization, the seal ring main body 1 and the seal ring connecting body 6 are made of hard metal materials, the seal ring main body 1 and the seal ring connecting body 6 can be prevented from being damaged by extrusion during assembly, the seal inner layer 3, the inner grinding layer 4, the wear-resistant ring 10 and the rubber ring 11 are made of rubber, the seal inner layer 3 and the motor end cover 2 can be attached by utilizing the elasticity and the wear resistance of the rubber, grease seepage is avoided, the inner grinding layer 4 and the wear-resistant ring 10 are directly contacted with a motor rotor shaft, and external impurities are prevented from entering the motor.

Preferably, the inside of rubber circle 11 is provided with support piece 12, support piece 12 is annular structure, and the cross-section of support piece 12 is X shape, elastic groove 13 has all been seted up on the both sides surface of rubber circle 11, elastic groove 13 is located the outside of support piece 12X shape, after the motor uses the long time to make wear-resisting circle 10 wearing and tearing, under the thrust of support piece 12, can make wear-resisting circle 10 and motor rotor shaft surface contact always, and elastic groove 13 has still been seted up to the outside of rubber circle 11, can avoid support piece 12 to form the pulling force to support piece 12 when expanding, guarantee sealed effect, thereby effectively avoid outside impurity to enter into inside the motor.

The working principle of the utility model is as follows: when this wear-resisting sealing washer is installed, need assemble earlier, pass the trompil on the motor end cover 2 with the inside of sealing washer main part 1 motor, make the surface laminating of sealing washer inlayer 3 and motor end cover 2, then rotate sealing washer connector 6 to the surface of sealing washer main part 1, utilize internal thread 7 and external screw thread 5 screwed connection, because the distance of the left end of external screw thread 5 and sealing washer inlayer 3 right flank, and the length of internal screw thread 7 is not less than the length of external screw thread 5, when sealing washer connector 6 is rotating, when sealing washer connector 6's left end supports the right flank to motor end cover 2, because sealing washer inlayer 3 is the rubber material, have certain elasticity, can continue to rotate sealing washer connector 6, until sealing washer inlayer 3 and motor end cover 2's left surface extrudees each other, can avoid the grease to ooze from the gap between sealing washer inlayer 3 and the motor end cover 2, improve sealing performance, after assembling, pass through hole one 8 and through hole two 9 with the motor rotor shaft, because the inside of rubber ring 11 is provided with support piece 12, support piece 12 can be to motor rotor ring 10 can form wear-resisting ring 10 to the motor rotor 10 and can be avoided the wear-resisting ring to the inside to the wear-resisting ring 10 to the outside to the surface of the wear-resisting ring, can also be guaranteed to the wear-resisting ring 10, the inside is guaranteed to the wear-resisting ring is formed to the outer wear-resisting ring is guaranteed, the surface is guaranteed to the wear-resisting ring is guaranteed to the inside the surface is 12, the wear-resisting ring is made to the inside the surface is guaranteed, and can be extended to the wear-resisting ring is extended, and can be extended to the wear-resisting ring is made to the inside the wear-resisting ring 12, and can be used to the wear-resisting ring, and is kept out.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed equally within the scope of the present utility model.

Claims (5)

1. The utility model provides a wear-resisting sealing washer for motor rotor, includes sealing washer main part (1) and motor end cover (2), sealing washer main part (1) run through and install in the inside of motor end cover (2), its characterized in that: the utility model discloses a motor end cover, including motor end cover (2), sealing washer main part (1) and motor end cover (2) side surface are close to each other the surface be provided with sealed inlayer (3), the inside of sealing washer main part (1) is run through and is offered through hole one (8), the inner wall of through hole one (8) is provided with interior wearing layer (4), the outside demountable installation of sealing washer main part (1) has sealing washer connector (6), the inside of sealing washer connector (6) is run through and is offered through hole two (9), just through hole two (9) with the coaxial line of through hole one (8), the inside wall of through hole two (9) is equipped with rubber circle (11), the inboard of rubber circle (11) is equipped with wear ring (10).

2. The wear-resistant seal ring for a motor rotor according to claim 1, wherein: the sealing ring is characterized in that an external thread (5) is arranged on the outer side surface of the sealing ring main body (1), an internal thread (7) is arranged on the inner side wall of the sealing ring connecting body (6), and the internal thread (7) and the external thread (5) are in mutual threaded connection.

3. A wear-resistant seal ring for a motor rotor as set forth in claim 2, wherein: the vertical distance between the left end of the external thread (5) and the right side surface of the sealing inner layer (3) is shorter than the thickness of the motor end cover (2), and the length of the internal thread (7) is not smaller than the length of the external thread (5).

4. A wear-resistant seal ring for a motor rotor as set forth in claim 2, wherein: the sealing ring is characterized in that the sealing ring main body (1) and the sealing ring connector (6) are made of hard metal materials, the sealing inner layer (3), the inner grinding layer (4), the wear-resistant ring (10) and the rubber ring (11) are made of rubber, the sealing inner layer (3) and the inner grinding layer (4) are bonded through hot vulcanization, and the rubber ring (11) and the sealing ring connector (6) are bonded through hot vulcanization.

5. The wear-resistant seal ring for a motor rotor according to claim 1, wherein: the inside of rubber circle (11) is provided with support piece (12), support piece (12) are annular structure, just the cross-section of support piece (12) is X shape, elasticity recess (13) have all been seted up on the both sides surface of rubber circle (11), elasticity recess (13) are located the outside of the X shape of support piece (12).