CN217784016U

CN217784016U - R3 seal for flat head of outer spherical surface

Info

Publication number: CN217784016U
Application number: CN202222176987.5U
Authority: CN
Inventors: 泮海昌; 索恩康; 邵淑妍
Original assignee: Zhongda Hebei Bearing Manufacturing Co ltd
Current assignee: Zhongda Hebei Bearing Manufacturing Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2022-11-11
Anticipated expiration: 2032-08-18

Abstract

The utility model relates to a bearing technology field just discloses a R3 is sealed for outer sphere crew cut includes the outer lane, the outer lane on be equipped with the inner circle, the inside of inner circle is provided with the oil pocket, circles in and is provided with first lubrication hole, the oil pocket on be equipped with the steel ball, circle in be provided with first seal groove, the joint has first sealing washer on the first seal groove, circle in be provided with the second seal groove, the joint has the second sealing washer on the second seal groove, above-mentioned a R3 is sealed to be used for outer sphere crew cut has solved current bearing seal groove sealed effect not good through the cooperation of first sealing washer, second sealing washer, outside foreign matter gets into the bearing inner chamber easily, pollutes the bearing emollient, will reduce the lubricated life of bearing by a wide margin, reduces the result of use to show the fatigue life who reduces the bearing, make it the problem that service life reduces.

Description

R3 seal for flat head of outer spherical surface

Technical Field

The utility model relates to a bearing technical field specifically is a R3 is sealed for insert face crew cut.

Background

The bearing is an important part in modern mechanical equipment, the main function of the bearing is to support a mechanical rotating body, reduce the friction coefficient in the movement process of the mechanical rotating body and ensure the rotation precision of the mechanical rotating body, a sealing gasket or a sealing groove is arranged in a common bearing, and the bearing has the characteristics of preventing grease from being ignited, avoiding frequent oiling, being simple in structure and the like.

However, the existing bearing has the following problems in the use process:

the existing bearing sealing groove has poor sealing effect, external foreign matters easily enter the inner cavity of the bearing to pollute the lubricant of the bearing, the lubricating service life of the bearing is greatly shortened, the using effect is reduced, the fatigue life of the bearing is obviously shortened, and the service life of the bearing is shortened, so that the R3 sealing for the flat head of the outer spherical surface is necessary to be used in the technical field of the existing bearing.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To current bearing seal groove sealed effect not good, outside foreign matter gets into the bearing inner chamber easily, pollutes the bearing emollient, will reduce the lubricated life-span of bearing by a wide margin, reduces the result of use to showing the fatigue life who reduces the bearing, making it the problem that service life reduces, the utility model provides a R3 for the flat head of ectosphere is sealed, possesses the advantage that improves the sealed effect of bearing, with the problem that the solution background art provided.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a R3 is sealed for insert face crew cut, includes the outer lane, the outer lane on be equipped with the inner circle, the inside of inner circle is provided with the oil pocket, circle in and be provided with first lubrication oil hole, first lubrication oil hole communicates with the oil pocket, the oil pocket on be equipped with the steel ball, the inner circle on be provided with first seal groove, first seal groove communicates with the oil pocket, the joint has first sealing washer on the first seal groove, circle in and be provided with the second seal groove, the second seal groove communicates with the oil pocket, the joint has the second sealing washer on the second seal groove.

Preferably, the outer ring on be provided with the axial trough, the surface of outer ring is provided with the third lubricant hole, the third lubricant hole communicates with the axial trough, the outer ring on be provided with the second lubricant hole, the second lubricant hole communicates with the axial trough, the interior first lubricant hole that circles and the second lubricant hole that circles on the outer ring be one side.

Preferably, the second lubricating oil hole and the third lubricating oil hole on the outer ring are free of burrs, and internal threads are arranged on the first sealing groove and the second sealing groove on the inner ring.

(III) advantageous effects

Compared with the prior art, the utility model discloses possess following beneficial effect:

the utility model discloses in be used for the R3 of ectosphere crew cut sealed, lubricating oil enters into the oil pocket through first lubricant hole, under the effect of first sealing washer and second sealing washer for leakproofness between outer lane and the inner circle strengthens, and when avoiding the bearing to be in moist and have the environment of dust, outside foreign matter can get into the bearing inner chamber, pollutes the bearing lubricant, thereby will reduce the lubricated condition in life-span of bearing by a wide margin and take place.

Drawings

Fig. 1 is a schematic cross-sectional structural view of an R3 seal for flat head of an outer spherical surface in the present invention;

fig. 2 is a schematic structural diagram of an R3 seal front view for a flat head of an outer spherical surface in the present invention;

fig. 3 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 4 is an enlarged schematic structural diagram of the position B of fig. 1 in the present invention.

In the figure:

10. an outer ring; 11. an inner ring; 12. a first lubricant oil hole; 13. a second lubricant hole;

20. a third lubrication oil hole; 21. a shaft groove; 22. a steel ball; 23. a first seal groove;

30. a first seal ring; 31. a second seal groove; 32. and a second seal ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

As shown in fig. 1-4, it is the utility model discloses a preferred embodiment's a R3 seal structure sketch for ectosphere crew cut, the R3 seal for ectosphere crew cut of this embodiment includes outer lane 10, outer lane 10 on be equipped with inner circle 11, the inside of inner circle 11 is provided with the oil pocket, be provided with first lubricant hole 12 on the inner circle 11, first lubricant hole 12 communicates with the oil pocket, the oil pocket on be equipped with steel ball 22, inner circle 11 on be provided with first seal groove 23, first seal groove 23 communicates with the oil pocket, the joint has first sealing washer 30 on the first seal groove 23, be provided with second seal groove 31 on the inner circle 11, second seal groove 31 communicates with the oil pocket, the joint has second sealing washer 32 on the second seal groove 31.

The outer lane 10 on be provided with axle slot 21, the surface of outer lane 10 is provided with third lubricant hole 20, third lubricant hole 20 communicates with axle slot 21, outer lane 10 on be provided with second lubricant hole 13, second lubricant hole 13 communicates with axle slot 21, inner circle 11 on second lubricant hole 12 and outer lane 10 on second lubricant hole 13 be one side, and the contained angle between first lubricant hole 12 and the second lubricant hole 13 is 120 degrees, outer lane 10 on second lubricant hole 13 and outer lane 10 on third lubricant hole 20's contained angle be 60 degrees, and outer lane 10 on second lubricant hole 13 and the no burr of third lubricant hole 20, inner circle 11 on first seal groove 23 and the second seal groove 31 on be provided with the internal thread.

In this embodiment, lubricating oil enters into the oil cavity through first lubrication oil hole 12, under the effect of first sealing washer 30 and second sealing washer 32 for the leakproofness between outer lane 10 and the inner circle 11 strengthens, when avoiding the bearing to be in moist and have the environment of dust, and outside foreign matter can get into the bearing inner chamber, pollutes the bearing emollient, thereby will reduce the lubricated life's of bearing the condition emergence by a wide margin.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An R3 seal for a truncated end of an outer spherical surface comprises an outer ring (10),

the method is characterized in that:

an inner ring (11) is assembled on the outer ring (10), an oil cavity is arranged inside the inner ring (11), a first lubricating oil hole (12) is formed in the inner ring (11), the first lubricating oil hole (12) is communicated with the oil cavity, and a steel ball (22) is assembled on the oil cavity;

inner circle (11) on be provided with first seal groove (23), first seal groove (23) communicate with the oil pocket, first seal groove (23) go up the joint have first sealing washer (30), be provided with second seal groove (31) on inner circle (11), second seal groove (31) communicate with the oil pocket, joint has second sealing washer (32) on second seal groove (31).

2. An R3 seal for a flat head of an outer spherical surface as claimed in claim 1, wherein: the lubricating oil structure is characterized in that a shaft groove (21) is formed in the outer ring (10), a third lubricating oil hole (20) is formed in the surface of the outer ring (10), and the third lubricating oil hole (20) is communicated with the shaft groove (21).

3. An R3 seal for a flat head of an outer spherical surface as claimed in claim 2, wherein: the bearing is characterized in that a second lubricating oil hole (13) is formed in the outer ring (10), the second lubricating oil hole (13) is communicated with the shaft groove (21), and the first lubricating oil hole (12) in the inner ring (11) and the second lubricating oil hole (13) in the outer ring (10) are arranged on one side.

4. An R3 seal for a flat end of an external spherical surface according to claim 3, wherein: and the second lubricating oil hole (13) and the third lubricating oil hole (20) on the outer ring (10) are burr-free.

5. An R3 seal for a flat head of an outer spherical surface as claimed in claim 4, wherein: and internal threads are arranged on the first sealing groove (23) and the second sealing groove (31) on the inner ring (11).