A kind of oscillating bearing sealing structure
Technical field
The present invention relates to technical field of bearings, especially a kind of oscillating bearing sealing structure.
Background technique
With the development of science and technology technical equipment develops to the directions such as heavily loaded, non-maintaining more and more, therefore to matched
Higher requirements are also raised for oscillating bearing.Sealing oscillating bearing in the prior art, seal structure complex is not compact, accounts for
It is more with effective sliding contact area, it is unfavorable for the promotion of bearing load carrying capacity and service life.When using unreinforced seal circle,
There are the technical problems such as sealing ring is not fixed firmly, sealing ring is easy to fall off, sealing effect is bad, unstable quality again.
Summary of the invention
That it is an object of the present invention to provide sealing structures is simple and compact, sealing ring is not easily to fall off, sealing effect is good, reliable in quality
A kind of oscillating bearing sealing structure.
The technical solution adopted by the present invention is that: a kind of oscillating bearing sealing structure, it is characterised in that it includes bearing outer ring
And bearing inner race, sealing ring are equipped with corresponding with sealing ring between bearing outer ring and bearing inner race, on the inside of bearing outer ring
The outer rim of seal groove, sealing ring is embedded into seal groove, sealing ring inner edge and the spherical Elastic Contact of inner ring.
A kind of oscillating bearing sealing structure, it is characterised in that sealing ring is that a flexible nonmetallic circular ring is thin
Simultaneously flexible deformation occurs for piece, inner rim side and bearing inner race sphere-contact, is tightly attached to sealing ring inner edge with certain elasticity interior
It encloses on spherical surface.
A kind of oscillating bearing sealing structure, it is characterised in that bearing outer ring is equipped with close to osculum side and sealing ring
The seal groove of corresponding annular, sealing ring outer rim are embedded in certain elastic magnitude of interference and are fixed in seal groove.
Using the present invention, with the rotation of bearing, sealing ring it is opposite with inner ring spherical surface sliding, generate abrasion, sealing ring with
Inner ring sphere-contact area is also continuously increased, and sealing effect progressivelyes reach most preferably;Meanwhile sealing ring is fixedly secured in seal groove
It is interior, keep sealing structure simple and compact, sealing ring firmly installs, and it is not easily to fall off, to ensure that product quality.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the enlarged diagram in Fig. 1 of the invention at A.
Serial number indicates in figure: outer ring 1, inner ring 2, sealing ring 3 and seal groove 4.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
Referring to Fig.1, Fig. 2, the oscillating bearing sealing structure include bearing outer ring 1 and bearing inner race 2, and sealing ring 3 is located at axis
Between bearing outer-ring 1 and bearing inner race 2, the seal groove 4 of annular corresponding with sealing ring 3, sealing ring are equipped on the inside of bearing outer ring 1
3 outer rim is embedded into seal groove 4,3 inner edge of sealing ring and the spherical Elastic Contact of inner ring 2, is on the inside of bearing outer ring 1 therein
Bearing outer ring 1 is close to osculum side.
Sealing ring 3 among the above is a flexible nonmetallic circular ring thin slice, and inner rim side and bearing inner race 2 are in ball
Simultaneously flexible deformation occurs for face contact, is tightly attached to 3 inner edge of sealing ring on 2 spherical surface of inner ring with certain elasticity;When bearing working, with
The rotation of bearing, the sliding opposite with the spherical surface of inner ring 2 of sealing ring 3, generates abrasion, the sphere-contact area of sealing ring 3 and inner ring 2
Also it is continuously increased, sealing effect progressivelyes reach most preferably;Meanwhile 3 outer rim of sealing ring is with certain elastic magnitude of interference embedding sealing slot 4
Interior, sealing ring 3 is able to be fixedly secured in seal groove 4, keeps sealing structure simple and compact, and sealing ring 3 firmly installs, and is not easy to take off
It falls.