CN116928345A - Deep groove ball bearing inner ring groove sealing structure and bearing based on same - Google Patents

Deep groove ball bearing inner ring groove sealing structure and bearing based on same Download PDF

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Publication number
CN116928345A
CN116928345A CN202311010753.6A CN202311010753A CN116928345A CN 116928345 A CN116928345 A CN 116928345A CN 202311010753 A CN202311010753 A CN 202311010753A CN 116928345 A CN116928345 A CN 116928345A
Authority
CN
China
Prior art keywords
bearing
sealing structure
inner ring
sealing
deep groove
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311010753.6A
Other languages
Chinese (zh)
Inventor
刘鑫鑫
苟会利
胡静
汤志伟
李俊茹
李鸿刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harbin Bearing Manufacturing Co ltd
Harbin Bearing Group Ltd
Original Assignee
Harbin Bearing Manufacturing Co ltd
Harbin Bearing Group Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Harbin Bearing Manufacturing Co ltd, Harbin Bearing Group Ltd filed Critical Harbin Bearing Manufacturing Co ltd
Priority to CN202311010753.6A priority Critical patent/CN116928345A/en
Publication of CN116928345A publication Critical patent/CN116928345A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
    • F16J15/3232—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7803—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings
    • F16C33/7806—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings for spherical roller bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
    • F16C33/782—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region
    • F16C33/7823—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region of sealing lips
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
    • F16C33/783—Details of the sealing or parts thereof, e.g. geometry, material of the mounting region
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3248—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports
    • F16J15/3252—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3268—Mounting of sealing rings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Of Bearings (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

The application relates to the technical field of bearings, in particular to a deep groove ball bearing inner ring groove sealing structure and a bearing based on the same, which are used for solving the problem that bearing grease leaks due to poor sealing performance of the bearing; two seal structures are located between the inner ring and the outer ring, and the two seal structures are symmetrically arranged on the outer sides of the plurality of rollers.

Description

Deep groove ball bearing inner ring groove sealing structure and bearing based on same
Technical Field
The application relates to the technical field of bearings, in particular to a deep groove ball bearing inner ring groove sealing structure and a bearing based on the deep groove ball bearing inner ring groove sealing structure.
Background
The bearing sealing ring is a main sealing part in the bearing, the bearing leaks water and grease, the sealing performance is poor, external moisture and dust and transmission gear grease in the tool permeate into the bearing, the grease in the bearing leaks, and the used bearing always has grease leakage phenomena of different degrees or has too fast temperature rise, so that the service life of the bearing can be directly influenced. The main causes of lipid leakage are analyzed as follows: the wheel stopping oil accounts for about 80% of the internal space, under the high-speed running condition, the wheel stopping oil is continuously meshed at a high speed, the internal pressure is gradually increased, the pressure difference is generated between the inside and the outside of the bearing, the gear oil enters the inside of the bearing from the outside of the bearing through the outer lip and the inner lip of the sealing ring, the grease in the bearing is continuously increased, and the grease continuously increased overflows from the other side of the bearing while rotating at a high speed. The bearing is peeled off in advance, and in the high-speed rotation, the stop wheel is continuously engaged at a high speed and is worn, so that more and more metal particles in the grease of the stop wheel are caused, and the contaminated stop wheel oil enters the bearing, so that the bearing is failed in advance, and the service life of the bearing is greatly reduced.
Starting from the requirements of improving the sealing performance of the bearing and preventing grease leakage of the bearing, combining the machining precision of easy deformation and dimensional tolerance of the bearing part and the machining precision of the sealing ring, and carrying out personalized sealing ring design in a limited bearing space, thereby compensating the machining errors of the bearing part and the sealing member and meeting the expected requirements of users.
Excessive grease can cause grease leakage; in addition, in the running process of the bearing, pressure difference exists between the inside and the outside of the bearing due to internal gas expansion caused by high temperature or exhaust channel blockage, and grease leakage can be caused; when the bearing operates in a high-temperature environment, grease is softened along with the rise of temperature, and the corresponding fluidity is enhanced; when the bearing is subjected to an external impact load, there is a short separation of the contact point of the sealing lip with the bearing.
In summary, the existing bearing has the problem that the sealing performance of the bearing is poor, and thus the grease of the bearing leaks.
Disclosure of Invention
The application provides a deep groove ball bearing inner ring groove sealing structure and a bearing based on the deep groove ball bearing inner ring groove sealing structure, and aims to solve the problem that bearing grease leaks due to poor bearing sealing performance.
The application relates to a sealing structure with a groove for an inner ring of a deep groove ball bearing, which comprises a bearing steel skeleton and a bearing rubber pad;
the bearing rubber pad's upper surface middle part is equipped with U type recess, and the inside of this U type recess inlays and is equipped with the bearing steel skeleton, and the top of bearing rubber pad is equipped with sealing joint, and the bottom of bearing rubber pad is equipped with in proper order from right to left with sealing lip and No. two sealing lips, and the axis of sealing lip and horizontal line between become contained angle a setting, and the axis of sealing lip and horizontal line between become contained angle b setting.
Further, the included angle a is 95-105 degrees.
Still further, the included angle b is 90 °.
Further, the bearing steel skeleton and the bearing rubber pad are integrally embedded.
Still further, the left side of sealing joint is equipped with the inclination that the slant set up from left to right.
A bearing based on a groove sealing structure of an inner ring of a deep groove ball bearing comprises an outer ring, an inner ring and a plurality of rollers;
the inner ring is arranged on the inner side of the outer ring, and the plurality of rollers are arranged between the inner ring and the outer ring; the two sealing structures are both positioned between the inner ring and the outer ring and symmetrically arranged on the outer sides of the rolling bodies.
Further, a retainer is provided between the sealing structure and the plurality of rollers.
Still further, seal lip No. two of seal structure inserts in the breach one that corresponds the setting on the inner circle, seal lip No. one of seal structure pushes up on the lateral wall of inner circle.
Further, the sealing joint of the sealing structure is inserted into the corresponding notch II on the outer ring.
Still further, both sides of the outer ring of the inner ring and both sides of the inner ring of the outer ring are arc-shaped chamfer angles.
Compared with the prior art, the application has the following beneficial effects:
the original sealing ring of the bearing is replaced by the sealing structure, the sealing structure is a contact type sealing, the friction moment of the bearing is increased due to over-tightening of the sealing, and the temperature rise is too fast, so that the first sealing lip is in interference contact with the inner ring of the bearing for ensuring the sealing property of the bearing, the second sealing lip is in light contact and is inserted into the inner ring to form labyrinth sealing, the friction moment of the bearing is reduced while the sealing is carried out, the sealing property of the bearing and the bearing can be effectively improved, in addition, the leakage of lubricating oil in the bearing can be effectively avoided, the first sealing lip and the second sealing lip can also effectively prevent the interference of the external environment to the bearing, dust is not easy to enter the bearing due to the effect of the sealing structure, the probability that dust or other impurities enter the bearing is greatly reduced, and the abrasion of the impurity to the bearing is also reduced.
Drawings
FIG. 1 is a cross-sectional view of a deep groove ball bearing inner race fluted seal configuration according to the present application;
FIG. 2 is a front cross-sectional view of a bearing based on a grooved seal structure for the inner race of a deep groove ball bearing according to the present application;
FIG. 3 is a schematic view of the outer race of the present application;
FIG. 4 is a schematic view of an inner ring of the present application;
FIG. 5 is a schematic view of the cage of the present application;
FIG. 6 is a view in the A-A direction of FIG. 5;
in the figure: the bearing steel skeleton 1, the bearing rubber pad 2, the first sealing lip 3, the second sealing lip 4, the outer ring 5, the retainer 6, the sealing joint 7 and the rolling body 8.
Detailed Description
The first embodiment is as follows: referring to fig. 1 and 2, a sealing structure with grooves for an inner ring of a deep groove ball bearing according to the present embodiment is described, and is characterized in that: the bearing steel skeleton comprises a bearing steel skeleton 1 and a bearing rubber pad 2;
the upper surface middle part of bearing rubber pad 2 is equipped with U type recess, and the inside of this U type recess inlays and is equipped with bearing steel skeleton 1, and the top of bearing rubber pad 2 is equipped with sealing joint 7, and the bottom of bearing rubber pad 2 is equipped with in proper order by right to left and seals lip 3 and No. two sealing lips 4, and the axis of No. 3 sealing lips and horizontal line between become contained angle a setting, and the axis of No. 4 sealing lips and horizontal line between become contained angle b setting.
According to the specific embodiment, the original sealing ring is replaced by the sealing structure, the sealing structure is in contact type sealing, the first sealing lip is in interference contact with the inner ring of the bearing, the sealing joint is used for being inserted into the outer ring, the second sealing lip is in light contact and is inserted into the inner ring to form labyrinth sealing, and friction moment of the bearing is reduced while sealing, so that the sealing performance of the bearing sealing structure with the structure can be effectively improved, and leakage of lubricating oil in the bearing can be effectively avoided.
The second embodiment is as follows: the present embodiment is further limited to the sealing structure according to the first embodiment, and the sealing structure with grooves for the inner ring of the deep groove ball bearing according to the present embodiment has an included angle a of 95 ° to 105 °.
In this embodiment, the following will be described: the included angle a is 95-105 degrees, which is the best choice of the sealing structure.
Other embodiments are the same as the first embodiment.
And a third specific embodiment: the present embodiment is further limited to the sealing structure according to the first embodiment, and the sealing structure with grooves for the inner ring of the deep groove ball bearing according to the present embodiment has the included angle b of 90 ° with reference to fig. 1 and 2.
In this embodiment, the following will be described: the included angle b is 90 degrees, so that the sealing structure is the best choice.
Other embodiments are the same as the first embodiment.
The specific embodiment IV is as follows: the present embodiment is further limited to the sealing structure according to the first embodiment, and the sealing structure with grooves for the inner ring of the deep groove ball bearing according to the present embodiment is described with reference to fig. 1 and 2, and the bearing steel skeleton 1 and the bearing rubber pad 2 are integrally embedded.
In this embodiment, the following will be described: the bearing steel skeleton 1 and the bearing rubber pad 2 are integrally embedded and arranged, so that the bearing steel skeleton 1 forms a support for the bearing rubber pad 2, and the strength of the sealing structure can be ensured.
Other embodiments are the same as the first embodiment.
Fifth embodiment: the present embodiment is further limited to the sealing structure according to the fourth embodiment, and the sealing structure with grooves for the inner ring of the deep groove ball bearing according to the present embodiment is described with reference to fig. 1 and 2, and an inclination angle that is set obliquely upward is set from left to right on the left side of the sealing joint 7.
In this embodiment, the following will be described: the left side of the sealing joint 7 is provided with an inclined angle which is obliquely upwards arranged from left to right, so that pressing and assembling are facilitated when the bearing is assembled.
Other embodiments are the same as the first embodiment.
Specific embodiment six: the present embodiment is further limited to the sealing structure described in the first embodiment, and the bearing based on the grooved sealing structure of the inner ring of the deep groove ball bearing of the present embodiment includes an outer ring 5, an inner ring 6 and a plurality of rollers 8, which are described with reference to fig. 1 and 2;
the inner ring 6 is arranged on the inner side of the outer ring 5, and a plurality of rollers 8 are arranged between the inner ring 6 and the outer ring 5; the two sealing structures are located between the inner ring 6 and the outer ring 5, and the two sealing structures are symmetrically arranged on the outer sides of the rolling bodies 8.
In this embodiment, the following will be described: the structure is similar to that of a common bearing, the roller body 8 is a roller, and alternatively, the roller body 8 can also use the roller, the inner ring 6 and the outer ring 5, and the roller is suitable for the sealing structure to adjust.
Other embodiments are the same as the fifth embodiment.
Seventh embodiment: the present embodiment is further limited to the sealing structure according to the first embodiment, and the bearing according to the present embodiment is based on a sealing structure with grooves of an inner ring of a deep groove ball bearing, and a retainer 6 is disposed between the sealing structure and a plurality of rollers 8, as described in the present embodiment with reference to fig. 1 and 2.
In this embodiment, the following will be described: the bearing can be supported by means of the cage 6.
Other embodiments are the same as the fifth embodiment.
Eighth embodiment: the present embodiment is further limited to the sealing structure according to the first embodiment, and the bearing based on the grooved sealing structure of the inner ring of the deep groove ball bearing according to the present embodiment is described with reference to fig. 1 and 2, where the second sealing lip 4 of the sealing structure is inserted into the corresponding notch one provided on the inner ring 6, and the first sealing lip 3 of the sealing structure is propped against the side wall of the inner ring 6.
In this embodiment, the following will be described: the second sealing lip 4 of the sealing structure is inserted into the first notch correspondingly arranged on the inner ring 6, the first sealing lip 3 of the sealing structure is propped against the side wall of the inner ring 6, and the sealing effect is better.
Other embodiments are the same as the fifth embodiment.
Detailed description nine: the present embodiment is further limited to the sealing structure according to the first embodiment, and the bearing based on the grooved sealing structure of the inner ring of the deep groove ball bearing according to the present embodiment is described with reference to fig. 1 and 2, and the sealing joint 7 of the sealing structure is inserted into the corresponding notch two on the outer ring 5.
In this embodiment, the following will be described: the sealing joint 7 of the sealing structure is inserted into the corresponding second notch on the outer ring 5, so that the sealing effect is better.
Other embodiments are the same as the fifth embodiment.
Detailed description ten: the present embodiment is further limited to the sealing structure according to the first embodiment, and the bearing based on the sealing structure with the groove of the inner ring of the deep groove ball bearing according to the present embodiment, wherein both sides of the outer ring of the inner ring 6 and both sides of the inner ring of the outer ring 5 are arc-shaped chamfer angles, as described with reference to fig. 1 and 2.
In this embodiment, the following will be described: both sides of the outer ring of the inner ring 6 and both sides of the inner ring of the outer ring 5 are arc-shaped chamfer angles, so that the sealing structure is convenient to press and assemble.
Other embodiments are the same as the fifth embodiment.
Principle of operation
When the bearing runs, the first sealing lip and the second sealing lip play a role in preventing grease in the bearing from leaking out and simultaneously preventing the external environment of the bearing from entering the bearing, so that the bearing fails prematurely. The main bright point of this patent lies in bearing inner race have breach one, and No. two sealing lips and recess form the structure that first sealing grease leaked outward, form the sealing groove between No. one sealing lips and No. two sealing lips and can store the position that little part grease formed pressure buffer, and No. one sealing lips also can form the second to seal, and the effect of twice sealing lips each other. When the bearing runs at a high speed, fluid flows outwards along with the acting force, grease enters the grooves along the flow channels and rubs at a plurality of positions to form friction resistance, so that the grease is effectively prevented from flowing. The grease is supposed to enter a gap between the second sealing lip and the notch along the outer diameter of the inner ring, the first sealing lip and the outer diameter direction of the inner ring are provided with angles towards the inside of the bearing, and relative to the angles opposite to the movement of the grease, the movement direction of the grease is greatly prevented, and the grease is prevented from leaking out of the inside of the bearing through a series of processes in a very effective mode.
When the sealing structure is used, the traditional structures of rolling bodies, a retainer, a bearing inner ring, a bearing outer ring and a deep groove ball bearing retainer rivet in the deep groove ball bearing are unchanged, the original sealing ring is replaced by the sealing structure, the sealing structure is in contact type sealing, the first sealing lip is in interference contact with the bearing inner ring and used for guaranteeing the sealing performance of the bearing, the sealing joint is used for being inserted into the outer ring, the second sealing lip is in light contact and is inserted into the inner ring to form labyrinth sealing, and friction moment of the bearing is reduced while sealing is carried out, so that the sealing performance of the bearing sealing structure with the structure can be effectively improved, and leakage of lubricating oil in the bearing is effectively avoided.

Claims (10)

1. The utility model provides a deep groove ball bearing inner race trough of belt seal structure which characterized in that: the bearing comprises a bearing steel skeleton (1) and a bearing rubber pad (2);
the bearing rubber pad (2) is equipped with U type recess in the middle part of the upper surface, and the inside of this U type recess inlays and is equipped with bearing steel skeleton (1), and the top of bearing rubber pad (2) is equipped with sealed joint (7), and the bottom of bearing rubber pad (2) is equipped with in proper order by right to left and seals lip (3) and No. two seal lips (4), and the axis and the horizontal line of No. one seal lips (3) become contained angle a setting, and the axis and the horizontal line of No. two seal lips (4) become contained angle b setting.
2. The deep groove ball bearing inner race grooved sealing structure of claim 1, wherein: the included angle a is 95-105 degrees.
3. The deep groove ball bearing inner race grooved sealing structure of claim 1, wherein: the included angle b is 90 °.
4. The deep groove ball bearing inner race grooved sealing structure of claim 1, wherein: the bearing steel skeleton (1) and the bearing rubber pad (2) are integrally embedded.
5. The deep groove ball bearing inner race grooved sealing structure of claim 1, wherein: the left side of the sealing joint (7) is provided with an inclined angle which is obliquely upwards arranged from left to right.
6. A bearing based on the deep groove ball bearing inner race grooved sealing structure as set forth in any one of claims 1-5, characterized in that: the novel rolling mill comprises an outer ring (5), an inner ring (9) and a plurality of rolling bodies (8);
the inner ring (9) is arranged on the inner side of the outer ring (5), and the plurality of rollers (8) are arranged between the inner ring (9) and the outer ring (5); the two sealing structures are both positioned between the inner ring (9) and the outer ring (5), and are symmetrically arranged on the outer sides of the rolling bodies (8).
7. The bearing based on the grooved sealing structure of the inner ring of the deep groove ball bearing according to claim 6, wherein: a retainer (6) is arranged between the sealing structure and the plurality of rollers (8).
8. The bearing based on the grooved sealing structure of the inner ring of the deep groove ball bearing according to claim 6, wherein: the second sealing lip (4) of the sealing structure is inserted into a notch I correspondingly arranged on the inner ring (9), and the first sealing lip (3) of the sealing structure is propped against the side wall of the inner ring (9).
9. The bearing based on the grooved sealing structure of the inner ring of the deep groove ball bearing according to claim 6, wherein: the sealing joint (7) of the sealing structure is inserted into the corresponding notch II on the outer ring (5).
10. The bearing based on the grooved sealing structure of the inner ring of the deep groove ball bearing according to claim 6, wherein: both sides of the outer ring of the inner ring (9) and both sides of the inner ring of the outer ring (5) are arc-shaped chamfer angles.
CN202311010753.6A 2023-08-11 2023-08-11 Deep groove ball bearing inner ring groove sealing structure and bearing based on same Pending CN116928345A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311010753.6A CN116928345A (en) 2023-08-11 2023-08-11 Deep groove ball bearing inner ring groove sealing structure and bearing based on same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311010753.6A CN116928345A (en) 2023-08-11 2023-08-11 Deep groove ball bearing inner ring groove sealing structure and bearing based on same

Publications (1)

Publication Number Publication Date
CN116928345A true CN116928345A (en) 2023-10-24

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ID=88392434

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311010753.6A Pending CN116928345A (en) 2023-08-11 2023-08-11 Deep groove ball bearing inner ring groove sealing structure and bearing based on same

Country Status (1)

Country Link
CN (1) CN116928345A (en)

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