CN219549606U

CN219549606U - New energy motor rotor sealing ring

Info

Publication number: CN219549606U
Application number: CN202320614563.4U
Authority: CN
Inventors: 杨金虎; 徐辰; 李志伟
Original assignee: Ningguo Kangdi Seals Co ltd
Current assignee: Ningguo Kangdi Seals Co ltd
Priority date: 2023-03-24
Filing date: 2023-03-24
Publication date: 2023-08-18
Anticipated expiration: 2033-03-24

Abstract

The utility model relates to the technical field of motor sealing, and discloses a new energy motor rotor sealing ring which comprises a sealing ring main body, wherein a waist groove is formed on the outer surface of the waist of the sealing ring main body, an inner cavity is formed in the sealing ring main body in a penetrating manner, a metal wire is arranged in the sealing ring main body, a grease adding pipeline is formed in the sealing ring main body, and a exudation groove is formed in the sealing ring main body. The lubricating grease can enter the exudation groove after being injected into the greasing pipeline and is adhered to the surface of the motor rotor, and the exudation of the oiling agent in the motor from the inner cavity to the motor rotor can be effectively avoided under the blocking of the lubricating grease.

Description

New energy motor rotor sealing ring

Technical Field

The utility model relates to the technical field of motor sealing, in particular to a new energy motor rotor sealing ring.

Background

At present, when a rotor shaft and an end cover of a motor for a new energy automobile are sealed, a framework seal and an end face oil seal are usually adopted, and the two seals are contact seals. The framework sealing ring and the end cover mounting groove are in interference fit, the inner ring is provided with a sealing lip, when the rotor shaft rotates, the sealing lip is in contact with the rotating shaft to play a sealing role, but due to accumulated errors in the motor manufacturing process, the sealing lip is easy to wear in advance and lose efficacy, an oil agent is easy to permeate between the sealing ring and the motor shell, and an end face oil seal is easy to cause motor grinding sound in the actual use process through the design mode of the outer hidden metal seat and the sealing ring.

Accordingly, a new energy motor rotor seal ring is provided by those skilled in the art to solve the above-mentioned problems in the background art.

Disclosure of Invention

The utility model aims to provide a new energy motor rotor sealing ring to solve 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 new forms of energy motor rotor sealing washer, includes the sealing washer main part, the waist surface of sealing washer main part is seted up and is formed with the waist groove, the inside of sealing washer main part runs through and has seted up the inner chamber, motor rotor run through in the inside of inner chamber, the inside of sealing washer main part is provided with the wire, the fat adding pipeline has been seted up to the inside of sealing washer main part, just the fat adding pipeline extends to the surface of sealing washer main part towards the outside, the fat adding pipeline extends to the port department of sealing washer main part outside surface is provided with detachable tube cap, ooze the groove has been seted up to the inside of sealing washer main part, just ooze the groove with the other end intercommunication each other of fat adding pipeline.

As still further aspects of the utility model: the exudation groove is annular, and the exudation groove and the inner cavity are communicated with each other.

As still further aspects of the utility model: the number of the metal wires is not less than six, and the metal wires are equidistantly arranged in the sealing ring main body relative to the central axis of the sealing ring main body.

As still further aspects of the utility model: the metal wire is divided into a parallel section, an annular section and a pressing section, and the three sections are of an integrated structure, wherein the parallel section and the central axis of the sealing ring main body are arranged in parallel, the annular section is positioned at two ends of the parallel section, the metal wire is positioned at the annular section, and the tail end of the metal wire extends towards the side edge of the sealing ring main body.

As still further aspects of the utility model: the distance between the pressing section of the wire and the side wall of the waist groove is gradually reduced, and the distance between the outermost side of the pressing section of the wire and the side wall of the waist groove is shortest.

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

the lubricating grease is injected into the grease adding pipeline after the pipe cover is opened, finally the lubricating grease enters the grease adding pipeline and adheres to the surface of the motor rotor, and under the blocking of the lubricating grease, the oil agent inside the motor can be effectively prevented from seeping out from between the inner cavity and the motor rotor.

Drawings

FIG. 1 is a schematic diagram of a semi-sectional structure of a new energy motor rotor seal ring after being installed on a motor rotor;

fig. 2 is a schematic perspective view of a rotor seal ring of a new energy motor according to the present utility model.

In the figure: 1. a seal ring main body; 2. a fat adding pipeline; 3. a tube cover; 4. a exudation tank; 5. a wire; 6. a waist groove; 7. an inner cavity.

Detailed Description

Referring to fig. 1-2, in an embodiment of the present utility model, a new energy motor rotor sealing ring includes a sealing ring main body 1, a waist portion outer surface of the sealing ring main body 1 is opened and formed with a waist portion groove 6, an inner cavity 7 is opened in the inner portion of the sealing ring main body 1, a motor rotor is opened in the inner portion of the inner cavity 7, a wire 5 is provided in the inner portion of the sealing ring main body 1, a grease adding pipe 2 is opened in the inner portion of the sealing ring main body 1, the grease adding pipe 2 extends to a surface of the sealing ring main body 1 facing the outer side, a detachable pipe cover 3 is provided at a port of the grease adding pipe 2 extending to the outer side surface of the sealing ring main body 1, an exudation groove 4 is opened in the inner portion of the sealing ring main body 1, the exudation groove 4 and the other end of the grease adding pipe 2 are mutually communicated, grease is injected into the grease adding pipe 2, and finally the grease enters the exudation groove 4 and adheres to the surface of the motor rotor due to the mutual communication of the exudation groove 4, and the grease can also be effectively prevented from exuding from between the inner cavity 7 and the motor rotor under the blocking.

Preferably, the number of the metal wires 5 is not less than six, and the metal wires 5 are equidistantly arranged in the sealing ring main body 1 relative to the central axis of the sealing ring main body 1, so that the strength of the sealing ring main body 1 can be improved by arranging the metal wires 5.

Preferably, the metal wire 5 is divided into three parts of a parallel section, an annular section and a pressing section, and the three parts are of an integrated structure, wherein the parallel section and the central axis of the sealing ring main body 1 are arranged in parallel, the annular section is positioned at two ends of the parallel section, the metal wire 5 is positioned at the annular section, the tail end of the metal wire 5 extends towards the side edge of the sealing ring main body 1, the distance between the pressing section of the metal wire 5 and the side wall of the waist groove 6 is gradually reduced, the distance between the outermost side of the pressing section of the metal wire 5 and the side wall of the waist groove 6 is shortest, the metal wire 5 is arranged into three parts, the pressing section is stressed by utilizing the internal stress provided by the annular section, the side wall of the waist groove 6 is finally in tight contact with the motor casing, and the oil inside the motor is effectively prevented from seeping out from the space between the waist groove 6 and the motor casing.

The working principle of the utility model is as follows: through installing this sealing washer to motor housing department for motor housing card is in the inside of waist groove 6, utilize the pressure section of wire 5, make the lateral wall and the motor housing in waist groove 6 in close contact, effectively avoid the inside finish of motor to ooze from between waist groove 6 and the motor housing, and after the internally mounted motor rotor of inner chamber 7, open tube cap 3, drive into grease adding pipeline 2 with the lubricating grease, because ooze groove 4 and add the intercommunication of fat pipeline 2, finally the lubricating grease gets into ooze in groove 4, and adhere to motor rotor's surface, and under the blocking of lubricating grease, also can effectively avoid the inside finish of motor ooze from between inner chamber 7 and the motor rotor.

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

1. The utility model provides a new forms of energy motor rotor sealing washer, includes sealing washer main part (1), its characterized in that: the utility model discloses a sealing washer, including sealing washer main part (1), sealing washer main part (1)'s waist surface is offered and is formed with waist groove (6), the inside of sealing washer main part (1) runs through offer inner chamber (7), the inside of sealing washer main part (1) is provided with wire (5), add fat pipeline (2) have been offered to the inside of sealing washer main part (1), just add fat pipeline (2) extend to sealing washer main part (1) towards the outside surface, add fat pipeline (2) extend to sealing washer main part (1) outside surface's port department is provided with detachable tube cap (3), ooze groove (4) have been offered to the inside of sealing washer main part (1), just ooze groove (4) with the other end intercommunication of adding fat pipeline (2).

2. The new energy motor rotor seal ring of claim 1, wherein: the exudation groove (4) is annular, and the exudation groove (4) and the inner cavity (7) are communicated with each other.

3. The new energy motor rotor seal ring of claim 1, wherein: the number of the metal wires (5) is not less than six, and the metal wires (5) are equidistantly arranged in the sealing ring main body (1) relative to the central axis of the sealing ring main body (1).

4. A new energy motor rotor seal ring according to claim 3, wherein: the metal wire (5) is divided into a parallel section, an annular section and a pressing section, and the three sections are of an integrated structure, wherein the parallel section and the central axis of the sealing ring main body (1) are arranged in parallel, the annular section is positioned at two ends of the parallel section, the metal wire (5) is positioned at the annular section, and the tail end of the metal wire (5) extends towards the side edge of the sealing ring main body (1).

5. The new energy motor rotor seal ring of claim 4, wherein: the distance between the pressing section of the wire (5) and the side wall of the waist groove (6) is gradually reduced, and the distance between the outermost side of the pressing section of the wire (5) and the side wall of the waist groove (6) is shortest.