CN210344301U

CN210344301U - Bearing sealing mechanism

Info

Publication number: CN210344301U
Application number: CN201921509996.3U
Authority: CN
Inventors: 刘晨诚; 闵林峰; 刘刚
Original assignee: Changzhou Jialaide Precision Bearing Co Ltd
Current assignee: Changzhou Jialaide Precision Bearing Co Ltd
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-04-17
Anticipated expiration: 2029-09-11

Abstract

The utility model discloses a bearing sealing mechanism. The utility model discloses in, including shell one and shell two, be provided with built-in holding ring two and built-in holding ring one on the inner circle wall of shell one, the rotating ring four is installed with the inner circle junction of built-in holding ring one to the inner circle of built-in holding ring two, and the inner circle wall mounting of shell two has shell three and built-in spacing ring, and shell three is installed with the inner circle wall junction of built-in spacing ring three, and the right wall of built-in spacing ring is circular notch form to be located the circular notch and install the sealing ring, play sealed effect.

Description

Bearing sealing mechanism

Technical Field

The utility model belongs to the technical field of the bearing scope, specifically be bearing sealing mechanism.

Background

The bearing seal is a device for preventing fluid leakage, which is formed by at least one pair of end faces perpendicular to the rotation axis, and is kept in fit and relatively slides under the action of fluid pressure and elasticity of the compensating mechanism and the matching of the auxiliary seal.

Bearing seal comprises rotating ring, quiet ring, pressure element and sealing element usually, improves under prior art in the application, and sealing medium easily appears leaking after long-term the use in traditional bearing seal, and impurity gets into sealed terminal surface, leads to closely the effect variation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the above-mentioned proposed problems, a bearing sealing mechanism is provided.

The utility model adopts the technical scheme as follows:

the bearing sealing mechanism comprises a first shell and a second shell, wherein a second built-in positioning ring and a first built-in positioning ring are arranged on the inner ring wall of the first shell, a fourth moving ring is arranged at the joint of the inner ring of the second built-in positioning ring and the inner ring of the first built-in positioning ring, a third shell and a built-in limiting ring are arranged on the inner ring wall of the second shell, a third moving ring is arranged at the joint of the inner ring wall of the built-in limiting ring, and the right wall of the built-in limiting ring is in a circular groove shape and is located in the circular groove to be provided with a sealing ring.

And an oil supply hole is formed in the outer wall of the second shell, and the left wall of the second shell is in a circular groove opening shape and is positioned in the circular groove opening to be provided with an O-shaped sealing ring.

And a second moving ring is arranged on the right side of the third moving ring and is arranged on the inner ring wall of the built-in limiting ring.

The right side of the first shell is provided with an external rotor, and the inner ring of the external rotor is provided with a sealing annular hole.

The sealing device comprises an O-shaped sealing ring, a first static ring, a first moving ring and a sealing strip, wherein the first static ring is arranged below the O-shaped sealing ring, the first moving ring is arranged on the right side of the first static ring, and the sealing strip is arranged on the left side of the first static ring.

Shaft sleeves are installed in inner rings of the first shell and the second shell, the middle parts of the first shell and the second shell close to the front ends are in an annular groove shape, and shaft sealing rings are installed in the annular grooves.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, set up quiet ring one on the outer wall of shell one and shell two, add lubricating oil from quiet ring one to can lubricate the pivot of installation in the slotted hole in the middle of shell one and shell two, secondly the pivot can ensure the axle sleeve rotation with the rotating ring two when the pivoted rotating ring one, follows rotating ring one and rotating ring two and function together, and then O shape sealing washer and the sealing ring of installation are used for the sealed effect to the bearing.

2. The utility model discloses in, when using, the rotating ring of built-in holding ring two and built-in holding ring inner circle is four, and the laminating pivot is installed to when pivot pivoted, drive rotating ring four and rotate, install rotating ring three between built-in spacing ring and shell is also the cooperation last pivot and use, and when the function of swing pivot, realize not having the card and pause, and the effect of sealing ring and rotating ring two lies in the pivot function, guarantees to rotate with rotating ring two both, and rotating ring two seals up the effect.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a structural diagram of the housing of the present invention;

fig. 3 is a structural view of the spacing ring and the positioning ring of the present invention.

The labels in the figure are: 1. a first shell; 2. a second shell; 3. an external rotor; 4. sealing the annular hole; 5. a first movable ring; 6. a first stationary ring; 7. a second movable ring; 8. a shaft seal ring; 9. a shaft sleeve; 10. a third shell; 11. a third moving ring; 12. an oil supply hole; 13. an O-shaped sealing ring; 14. a first positioning ring is arranged inside; 15. a second positioning ring is arranged inside; 16. a moving ring IV; 17. A limit ring is arranged inside; 18. and (4) a sealing ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1-3, the bearing sealing mechanism comprises a first shell 1 and a second shell 2, an external rotor 3 is installed on the right side of the first shell 1, a shaft sleeve 9 is installed in inner rings of the first shell 1 and the second shell 2, the middle parts of the first shell 1 and the second shell 2 close to the front end are in an annular groove shape, a shaft sealing ring 8 is installed in the annular groove, a sealing ring hole 4 is formed in the inner ring of the external rotor 3, an oil supply hole 12 is formed in the outer wall of the second shell 2, the left wall of the second shell 2 is in a circular groove shape and is provided with an O-shaped sealing ring 13 in the circular groove, a first stationary ring 6 is arranged below the O-shaped sealing ring 13, a first movable ring 5 is arranged on the right side of the first stationary ring 6, the first movable ring 5 and the second movable ring 7 can ensure that the shaft sleeve 9 rotates to follow the first movable ring 5 and the second movable ring 7 to operate together, and the O-, the left side of the first stationary ring 6 is provided with a sealing strip, the inner ring wall of the first shell 1 is provided with a second built-in positioning ring 15 and a first built-in positioning ring 14, the second positioning ring 15 and a fourth rotating ring 16 of the inner ring of the first built-in positioning ring 14 are installed by being attached to the rotating shaft and drive the fourth rotating ring 16 to rotate when the rotating shaft rotates, the third rotating ring 11 installed between the third built-in limiting ring 17 and the third shell 10 is also matched with the upper rotating shaft for use, the fourth rotating ring 16 is installed at the joint of the inner ring of the second built-in positioning ring 15 and the inner ring of the first built-in positioning ring 14, the third shell 10 and the second built-in limiting ring 17 are installed on the inner ring wall of the second shell 2, the third rotating ring 11 installed between the third built-in limiting ring 17 and the third shell 10 is also matched with the upper rotating shaft for use and realizes no jamming when the rotating shaft operates in a swinging mode, and the sealing ring 18 and the second rotating, the movable ring II 7 has the sealing effect, a movable ring III 11 is arranged at the joint of the shell III 10 and the inner ring wall of the built-in limiting ring 17, the movable ring II 7 is arranged on the right side of the movable ring III 11, the movable ring II 7 is arranged on the inner ring wall of the built-in limiting ring 17, the right wall of the built-in limiting ring 17 is in a circular groove shape, and a sealing ring 18 is arranged in the circular groove.

The working principle is as follows: the first embodiment is as follows: referring to the first drawing and the second drawing, when in use, a first static ring 6 is arranged on the outer walls of a first shell 1 and a second shell 2, lubricating oil is filled from the first static ring 6, a rotating shaft arranged in a slotted hole between the first shell 1 and the second shell 2 can be lubricated, then a first dynamic ring 5 and a second dynamic ring 7 can ensure that a shaft sleeve 9 rotates when the rotating shaft rotates, the first dynamic ring 5 and the second dynamic ring 7 operate together, and then an O-shaped sealing ring 13 and a sealing ring 18 are arranged for sealing the bearing;

in the second embodiment, referring to fig. one and fig. three, when in use, the second built-in positioning ring 15 and the fourth rotating ring 16 with the inner ring of the first built-in positioning ring 14 are mounted to the rotating shaft, and when the rotating shaft rotates, the fourth rotating ring 16 is driven to rotate, the third rotating ring 11 mounted between the built-in limiting ring 17 and the third shell 10 is also used in cooperation with the upper rotating shaft, and when the rotating shaft is swung to operate, no jamming is realized, and the sealing ring 18 and the second rotating ring 7 function in that the rotating shaft operates to ensure that both the second rotating ring 7 and the 18 rotate, and the second rotating ring 7 performs a sealing effect;

when all parts are operated, oil is supplied through the oil supply holes 12, the lubrication degree of the one-way parts is ensured, and the end faces of the movable ring and the static ring form a pair of friction pairs. The end face of the dynamic ring is pressed against the end face of the static ring by the pressure of the liquid in the sealing chamber, and proper specific pressure is generated on the end faces of the two rings and a layer of extremely thin liquid film is kept to achieve the purpose of sealing.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Bearing seal mechanism, including shell one (1) and shell two (2), its characterized in that: the inner ring wall of the first shell (1) is provided with a second built-in locating ring (15) and a first built-in locating ring (14), the junction of the inner ring of the second built-in locating ring (15) and the inner ring of the first built-in locating ring (14) is provided with a fourth moving ring (16), the inner ring wall of the second shell (2) is provided with a third shell (10) and a third built-in limiting ring (17), the junction of the third shell (10) and the inner ring wall of the first built-in limiting ring (17) is provided with a third moving ring (11), the right wall of the first built-in limiting ring (17) is in a circular groove shape and is positioned in the circular groove to be provided with a sealing ring (18).

2. The bearing seal mechanism of claim 1 wherein: an oil supply hole (12) is formed in the outer wall of the second shell (2), the left wall of the second shell (2) is in a circular groove opening shape, and an O-shaped sealing ring (13) is arranged in the circular groove opening.

3. The bearing seal mechanism of claim 1 wherein: a second moving ring (7) is arranged on the right side of the third moving ring (11), and the second moving ring (7) is installed on the inner ring wall of the built-in limiting ring (17).

4. The bearing seal mechanism of claim 1 wherein: an external rotor (3) is installed on the right side of the first shell (1), and a sealing annular hole (4) is formed in the inner ring of the external rotor (3).

5. The bearing seal mechanism of claim 2 wherein: the sealing device is characterized in that a first static ring (6) is arranged below the O-shaped sealing ring (13), a first dynamic ring (5) is arranged on the right side of the first static ring (6), and a sealing strip is arranged on the left side of the first static ring (6).

6. The bearing seal mechanism of claim 1 wherein: and a shaft sleeve (9) is arranged in the inner rings of the first shell (1) and the second shell (2), the middle parts of the first shell (1) and the second shell (2) close to the front end are in an annular groove shape, and a shaft sealing ring (8) is arranged in the annular groove.