CN213685277U

CN213685277U - Sealing device for motor shaft through part

Info

Publication number: CN213685277U
Application number: CN202022811096.3U
Authority: CN
Inventors: 杨建军
Original assignee: Wuxi Blue Ocean Electric Technology Co ltd
Current assignee: Wuxi Blue Ocean Electric Technology Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-07-13
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses a sealing device at motor shaft link up position, including motor casing, motor end cover, motor shaft, fixed cover, spacing ring, rotation cover, rubber seal cover, sponge circle, first sponge strip, second sponge strip, connection sponge strip, fixed pipe, connecting pipe, an oil storage section of thick bamboo, rubber piston, stationary blade, connecting rod and handle. The utility model has the advantages that: this device is rational in infrastructure, and the leakproofness is better, can avoid the rotating part of motor shaft to be in for a long time and lead to motor shaft department to pile up the dust and lead to motor function impaired under the dust environment, and this device has lubricating structure, can play the lubrication action to the motor shaft through lubricating structure, reduces the trouble of frequent adding lubricating oil many times, and the lubricated oil mass can carry out quick adjustment simultaneously, is fit for using widely.

Description

Sealing device for motor shaft through part

Technical Field

The utility model relates to a sealing device specifically is a sealing device at motor shaft link up position belongs to sealing device application technical field for the motor shaft.

Background

An Electric machine (also known as "motor") is an electromagnetic device that converts or transmits Electric energy according to the law of electromagnetic induction, and is represented by the letter M (old standard is D) in a circuit, and mainly functions to generate driving torque as a power source for electrical appliances or various machines, and a generator is represented by the letter G in a circuit and mainly functions to convert mechanical energy into Electric energy.

When the motor is used under the dust environment for a long time, dust is easily piled up at the rotating part of the motor shaft, so that the function of the motor is reduced, meanwhile, the dust easily enters the motor, the internal elements of the motor are damaged, and the service life of the motor is shortened. Therefore, a sealing device for a through part of a motor shaft is provided to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to provide a sealing device for a motor shaft through portion to solve the above problems.

The utility model realizes the purpose through the following technical proposal, a sealing device of a motor shaft through part comprises a motor shell, a motor end cover, a motor shaft, a fixed sleeve, a rotating sleeve, a rubber sealing sleeve and a lubricating structure;

a motor end cover is fixedly installed on the side face of the motor shell, a motor shaft is rotatably connected onto the motor end cover, a fixed sleeve is fixedly connected onto the side wall of the motor end cover, a limiting ring is fixedly connected onto the inner wall of the fixed sleeve, a rotating sleeve is rotatably connected onto the inner wall of the fixed sleeve, a rubber sealing sleeve is fixedly connected onto the inner wall of the rotating sleeve, and the inner wall of the rubber sealing sleeve hoops the arc-shaped face of the motor shaft;

the rotating sleeve is provided with a lubricating structure, the lubricating structure comprises a sponge ring, a first sponge strip, a second sponge strip, a connecting sponge strip, a fixed pipe, a connecting pipe, an oil storage cylinder, a rubber piston, a fixed piece, a connecting rod and a handle, an annular groove is formed in the inner wall of the rubber sealing sleeve, the sponge ring is fixedly embedded in the annular groove of the inner wall of the rubber sealing sleeve, the second sponge strip is arranged in the rotating sleeve in an embedded mode, one end of the first sponge strip is arranged on the side wall of the sponge ring, the other end of the first sponge strip extends to the side wall of the second sponge strip, one end of the fixed pipe is fixedly embedded in the arc-shaped surface of the rotating sleeve, one end of the connecting pipe is fixedly connected to the side wall of the oil storage cylinder, the connecting pipe is communicated with the inner cavity of the oil storage cylinder, and the rubber piston is connected to the inner cavity of the, fixedly connected with stationary blade on rubber piston's the lateral wall, the one end of fixedly connected with connecting rod on the lateral wall of stationary blade, the other end of connecting rod runs through the lateral wall of an oil storage section of thick bamboo and extends to outside the wall, the other end department fixedly connected with handle of connecting rod.

Preferably, the arc surface of the rotating sleeve is provided with a groove with the same size as the limiting ring, and the limiting ring is rotatably connected in the groove of the rotating sleeve.

Preferably, a plurality of annular grooves are formed in the inner wall of the rubber sealing sleeve, and sponge rings are embedded and fixed in the annular grooves of the rubber sealing sleeve.

Preferably, first sponge strip has a plurality of, a plurality of first sponge strip all sets up between second sponge strip and sponge circle.

Preferably, the bottom of fixed pipe is provided with the one end of connecting the sponge strip, the other end of connecting the sponge strip extends to the lateral wall department of second sponge strip.

Preferably, the arc surface of the fixed pipe and the inner wall of the connecting pipe are both provided with thread grooves, and the fixed pipe is in threaded connection with the connecting pipe.

The utility model has the advantages that:

1. this device is rational in infrastructure, and the leakproofness is better, can avoid the rotating part of motor shaft to be in for a long time and lead to motor shaft department to pile up the dust and lead to motor function impaired under the dust environment.

This device has lubricating structure, can play the lubrication action to the motor shaft through lubricating structure, reduces the trouble of frequent adding lubricating oil many times, and the lubricated oil mass can carry out quick adjustment simultaneously, is fit for using widely.

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 internal structure of the present invention;

FIG. 2 is a schematic view of the enlarged structure of the part A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of a three-dimensional structure of a cut surface of the sponge ring of the present invention;

fig. 4 is a schematic view of a side connecting structure of the rubber sealing sleeve of the present invention.

In the figure: 1. motor casing, 2, motor end cover, 3, motor shaft, 4, fixed cover, 5, spacing ring, 6, rotate the cover, 7, rubber seal cover, 8, sponge circle, 9, first sponge strip, 10, second sponge strip, 11, connect sponge strip, 12, fixed tube, 13, connecting pipe, 14, oil storage section of thick bamboo, 15, rubber piston, 16, stationary blade, 17, connecting rod, 18, handle.

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. 1-4, a sealing device for a through portion of a motor shaft includes a motor housing 1, a motor end cover 2, a motor shaft 3, a fixed sleeve 4, a rotating sleeve 6, a rubber sealing sleeve 7 and a lubricating structure;

a motor end cover 2 is fixedly installed on the side face of the motor shell 1, a motor shaft 3 is rotatably connected onto the motor end cover 2, a fixed sleeve 4 is fixedly connected onto the side wall of the motor end cover 2, a limiting ring 5 is fixedly connected onto the inner wall of the fixed sleeve 4, a rotating sleeve 6 is rotatably connected onto the inner wall of the fixed sleeve 4, a rubber sealing sleeve 7 is fixedly connected onto the inner wall of the rotating sleeve 6, and the arc-shaped face of the motor shaft 3 is hooped by the inner wall of the rubber sealing sleeve 7;

the rotating sleeve 6 is provided with a lubricating structure, the lubricating structure comprises a sponge ring 8, a first sponge strip 9, a second sponge strip 10, a connecting sponge strip 11, a fixed pipe 12, a connecting pipe 13, an oil storage cylinder 14, a rubber piston 15, a fixed sheet 16, a connecting rod 17 and a handle 18, an annular groove is formed in the inner wall of the rubber sealing sleeve 7, the sponge ring 8 is fixedly embedded in the annular groove of the inner wall of the rubber sealing sleeve 7, the second sponge strip 10 is embedded in the rotating sleeve 6, one end of the first sponge strip 9 is arranged on the side wall of the sponge ring 8, the other end of the first sponge strip 9 extends to the side wall of the second sponge strip 10, one end of the fixed pipe 12 is fixedly embedded in the arc-shaped surface of the rotating sleeve 6, one end of the connecting pipe 13 is fixedly connected to the side wall of the oil storage cylinder 14, the connecting pipe 13 is communicated with the inner cavity of the oil storage cylinder 14, sliding connection has rubber piston 15 in the inner chamber of oil storage section of thick bamboo 14, fixedly connected with stationary blade 16 on rubber piston 15's the lateral wall, fixedly connected with connecting rod 17's one end on the lateral wall of stationary blade 16, connecting rod 17's the other end runs through the lateral wall of oil storage section of thick bamboo 14 and extends to outside the wall, the other end department fixedly connected with handle 18 of connecting rod 17.

A groove with the same size as the limiting ring 5 is formed in the arc-shaped surface of the rotating sleeve 6, and the limiting ring 5 is rotatably connected in the groove of the rotating sleeve 6; a plurality of annular grooves are formed in the inner wall of the rubber sealing sleeve 7, and sponge rings 8 are fixedly embedded in the annular grooves of the rubber sealing sleeve 7; a plurality of first sponge strips 9 are arranged, and the plurality of first sponge strips 9 are arranged between the second sponge strips 10 and the sponge ring 8; one end of a connecting sponge strip 11 is arranged at the bottom end of the fixed tube 12, and the other end of the connecting sponge strip 11 extends to the side wall of the second sponge strip 10; the arc surface of the fixed pipe 12 and the inner wall of the connecting pipe 13 are both provided with thread grooves, and the fixed pipe 12 is in threaded connection with the connecting pipe 13.

When the utility model is used, firstly, the oil storage cylinder 14 is rotated, the connecting pipe 13 is driven to be separated from the fixed pipe 12 through the rotation of the oil storage cylinder 14, then one end of the connecting pipe 13 is immersed into lubricating oil, the handle 18 is pulled, the rubber piston 15 is driven to move through the movement of the handle 18, so that the lubricating oil is sucked and filled in the inner cavity of the oil storage cylinder 14, the connecting pipe 13 is connected with the fixed pipe 12 in a threaded manner again, the lubricating oil in the inner cavity of the oil storage cylinder 14 flows into the connecting sponge strip 11 through the fixed pipe 12 and is diffused into the second sponge strip 10, the first sponge strip 9 and the sponge ring 8 through diffusion, when the motor shaft 3 rotates, the motor shaft 3 can be sealed through the sealing effect of the rubber sealing sleeve 7, meanwhile, the contact between the motor shaft 3 and the sponge ring 8 rotates, so that the oil in the sponge ring 8 is coated on the arc-shaped surface of the motor, play the lubrication action to motor shaft 3, in the time of the lubrication, make the leakproofness of rubber seal cover 7 better, the staff also can be through pushing down handle 18, push down through handle 18 and drive connecting rod 17 and rubber piston 15 and move down, lubricating oil in the 14 inner chambers of oil storage cylinder is carried to sponge ring 8 departments with higher speed, make motor shaft 3 lubricating oil on the surface increase, lubricating oil also can spread to the junction of motor end cover 2 and motor shaft 3 through the diffusion of the flow of self, lubricate the junction of motor end cover 2 and motor shaft 3, can use according to particular case is nimble.

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

1. The utility model provides a sealing device at motor shaft through position which characterized in that: comprises a motor shell (1), a motor end cover (2), a motor shaft (3), a fixed sleeve (4), a rotating sleeve (6), a rubber sealing sleeve (7) and a lubricating structure;

a motor end cover (2) is fixedly installed on the side face of the motor shell (1), a motor shaft (3) is rotatably connected onto the motor end cover (2), a fixed sleeve (4) is fixedly connected onto the side wall of the motor end cover (2), a limiting ring (5) is fixedly connected onto the inner wall of the fixed sleeve (4), a rotating sleeve (6) is rotatably connected onto the inner wall of the fixed sleeve (4), a rubber sealing sleeve (7) is fixedly connected onto the inner wall of the rotating sleeve (6), and the arc-shaped face of the motor shaft (3) is hooped by the inner wall of the rubber sealing sleeve (7);

the rotating sleeve (6) is provided with a lubricating structure, the lubricating structure comprises a sponge ring (8), a first sponge strip (9), a second sponge strip (10), a connecting sponge strip (11), a fixed pipe (12), a connecting pipe (13), an oil storage cylinder (14), a rubber piston (15), a fixed sheet (16), a connecting rod (17) and a handle (18), the inner wall of the rubber sealing sleeve (7) is provided with an annular groove, the inner wall annular groove of the rubber sealing sleeve (7) is fixedly embedded with the sponge ring (8), the rotating sleeve (6) is internally embedded with the second sponge strip (10), the side wall of the sponge ring (8) is provided with one end of the first sponge strip (9), the other end of the first sponge strip (9) extends to the side wall of the second sponge strip (10), and the arc-shaped surface of the rotating sleeve (6) is fixedly embedded with one end of the fixed pipe (12), the one end of the lateral wall fixedly connected with connecting pipe (13) of an oil storage section of thick bamboo (14), communicate each other between the inner chamber of connecting pipe (13) and an oil storage section of thick bamboo (14), sliding connection has rubber piston (15) in the inner chamber of an oil storage section of thick bamboo (14), fixedly connected with stationary blade (16) on the lateral wall of rubber piston (15), the one end of fixedly connected with connecting rod (17) on the lateral wall of stationary blade (16), the other end of connecting rod (17) runs through the lateral wall of an oil storage section of thick bamboo (14) and extends to outside the wall, the other end department fixedly connected with handle (18) of connecting rod (17).

2. The sealing device for the through part of the motor shaft as claimed in claim 1, wherein: the arc-shaped surface of the rotating sleeve (6) is provided with a groove with the same size as the limiting ring (5), and the limiting ring (5) is rotatably connected in the groove of the rotating sleeve (6).

3. The sealing device for the through part of the motor shaft as claimed in claim 1, wherein: a plurality of annular grooves are formed in the inner wall of the rubber sealing sleeve (7), and sponge rings (8) are fixedly embedded in the annular grooves of the rubber sealing sleeve (7).

4. The sealing device for the through part of the motor shaft as claimed in claim 1, wherein: first sponge strip (9) have a plurality of, a plurality of first sponge strip (9) all set up between second sponge strip (10) and sponge circle (8).

5. The sealing device for the through part of the motor shaft as claimed in claim 1, wherein: the bottom of fixed pipe (12) is provided with the one end of connecting sponge strip (11), the other end of connecting sponge strip (11) extends to the lateral wall department of second sponge strip (10).

6. The sealing device for the through part of the motor shaft as claimed in claim 1, wherein: the arc surface of the fixed pipe (12) and the inner wall of the connecting pipe (13) are both provided with thread grooves, and the fixed pipe (12) is in threaded connection with the connecting pipe (13).