CN211082583U

CN211082583U - Bearing with sealing structure

Info

Publication number: CN211082583U
Application number: CN201921473715.3U
Authority: CN
Inventors: 郑建华
Original assignee: WENZHOU MUTE BEARING CO Ltd; C&U Group Ltd; Shanghai C&U Group Co Ltd
Current assignee: WENZHOU MUTE BEARING CO Ltd; Shanghai C&U Group Co Ltd; C&U Co Ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-07-24
Anticipated expiration: 2029-09-05

Abstract

The utility model discloses a bearing with a sealing structure, which comprises an outer ring and an inner ring, wherein a roller and a sealing ring are arranged between the outer ring and the inner ring, the bearing also comprises an annular framework, the outer edge of the sealing ring is bent towards one side to form an annular baffle wall, the baffle wall is enclosed into a mounting groove for installing the framework, the outer edge of the framework is abutted against the inner wall of the mounting groove, the inner edge of the framework is in clearance fit with the inner ring, the framework has the same function as the existing dust cap, compared with the existing dust cap, the framework is not in direct contact with the outer ring but is installed and fixed on the sealing ring, the sealing ring is preferably made of rubber materials, has elasticity, cannot damage the framework in the installation process of the framework, is preferably made of hard materials, is preferably arranged on one side of the sealing ring far away from the roller, and enables the bearing to operate in the severe environments such as, the framework can effectively prevent pollutants from entering the bearing, and effectively prevent the pollutants from damaging the sealing ring.

Description

Bearing with sealing structure

Technical Field

The utility model belongs to the technical field of the bearing, concretely relates to take seal structure's bearing.

Background

The bearing is a commonly used part in modern machinery, the working environment of the bearing is generally filled with various impurities which influence the operation of the bearing, such as powder, water vapor, dust and the like, and the existing bearing is generally provided with a sealing structure in order to prevent the impurities from entering the inside of the bearing to influence the operation of the bearing and prevent lubricating grease in the inside of the bearing from leaking.

The sealing structure of the bearing comprises an annular groove arranged on an outer ring, the annular groove is arranged on the outer edge of the existing dust cover and the outer edge of the existing sealing ring, and is in interference fit with the annular groove, but the existing dust cover is made of hard materials such as metal, certain force is needed when the dust cover is installed, the dust cover is easy to deform, the service life of the dust cover is influenced, particularly on agricultural machinery, part of the bearing is in direct contact with muddy water, weeds and the like, and the service life of the dust cover directly influences the service life of the bearing.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a more easy to assemble than the prior art, the longer bearing of taking seal structure of life.

In order to realize the purpose, the utility model discloses a technical scheme is: the utility model provides a take seal structure's bearing, includes outer lane and inner circle, be equipped with roller and sealing washer between outer lane and the inner circle, still include annular skeleton, the outer annular fender wall that forms along buckling to one side of sealing washer, keep off the mounting groove that the wall encloses into the confession skeleton installation, the outer inner wall butt with the mounting groove of following of skeleton, the interior edge and the inner circle clearance fit of skeleton.

Among the above-mentioned technical scheme, the effect of skeleton is equivalent with current shield effect, compare in current shield, the skeleton does not with outer lane direct contact, but the installation is fixed on the sealing washer, the sealing washer is preferred to adopt rubber materials to make, elasticity has, can not cause the harm to the skeleton in the skeleton installation process, preferred skeleton adopts hard material to make, one side of roller is kept away from at the sealing washer to preferred skeleton setting, make the bearing when having muddy water, comparatively abominable environment such as weeds moves, the skeleton can effectively block inside the pollutant gets into the bearing, effectively block the destruction of pollutant to the sealing washer.

As a further setting of the utility model, the outer department of following of sealing washer is equipped with the stiff end, the stiff end is located the both sides face and the relative setting of sealing washer respectively with keeping off the wall, the interior department of following of sealing washer is equipped with the seal lip with inner circle interference fit, be equipped with the annular groove who supplies the stiff end embedding on the outer lane, stiff end and annular groove interference fit.

Among the above-mentioned technical scheme, stiff end and annular groove interference fit prevent that the sealing washer breaks away from at the bearing operation in-process, and seal lip and inner circle interference fit can prevent that the inside grease of bearing from leaking to with the skeleton combined action, prevent that outside pollutant from getting into inside the bearing.

As a further setting of the utility model, one side that the roller was kept away from to the annular groove is equipped with the breach that makes things convenient for the stiff end embedding, the stiff end include with sealing washer fixed connection's first segmentation, arrange the annular groove in and with the tank bottom interference fit's of annular groove second segmentation and the third segmentation of connecting first segmentation and second segmentation, there is the clearance between first segmentation and the second segmentation, one side butt that the clearance was kept away from to the third segmentation is on the cell wall that the annular groove is close to the roller, the stiff end is the Jiong font.

Among the above-mentioned technical scheme, the breach makes things convenient for the sealing washer embedding annular groove, and the shape of stiff end makes the skeleton have certain floating volume in the bearing operation process, makes the skeleton be difficult for appearing warping in the bearing operation process, increases the life of skeleton.

As a further arrangement of the present invention, the lateral surface of the second segment is connected to the lateral surface of the third segment by an inclined transition surface.

Among the above-mentioned technical scheme, the slope transition face makes things convenient for the stiff end embedding annular groove.

As a further arrangement of the utility model, the sealing lip is bent towards the end close to the inner ring, and the bending angle is between 30 degrees and 60 degrees.

Among the above-mentioned technical scheme, compare in the sealing lip of linear type, the sealing lip that has the bending has better sealed effect, and life is longer.

The present invention will be further described with reference to the accompanying drawings.

Drawings

FIG. 1 is a cross-sectional view of an embodiment of the present invention;

fig. 2 is a cross-sectional view of a seal ring according to an embodiment of the present invention.

Detailed Description

When terms such as "upper" and "lower", "right" and "left" or similar relative expressions are used in the present embodiment, these refer only to the accompanying drawings and are not necessarily actual usage.

The embodiment of the present invention is shown in fig. 1-2, a bearing with a sealing structure, comprising an outer ring 01 and an inner ring 02, a roller 03 and a sealing ring 04 are disposed between the outer ring 01 and the inner ring 02, the bearing further comprises an annular frame 05, an outer edge of the sealing ring 04 is bent to one side to form an annular blocking wall 041, the blocking wall 041 encloses a mounting groove 042 for the frame 05 to be mounted, an outer edge of the frame 05 abuts against an inner wall of the mounting groove 042, an inner edge of the frame 05 is in clearance fit with the inner ring 02, the frame 05 has a function equivalent to that of an existing dust cap, compared with the existing dust cap, the frame 05 is not in direct contact with the outer ring 01, but is mounted and fixed on the sealing ring 04, in this embodiment, the sealing ring 04 is made of rubber material, has elasticity, and cannot damage the frame 05 in the mounting process of the frame 05, in this embodiment, in the embodiment, the framework 05 is arranged on one side of the sealing ring 04 far away from the roller 03, so that when the bearing operates in a severe environment with muddy water, weeds and the like, the framework 05 can effectively prevent pollutants from entering the interior of the bearing and effectively prevent the pollutants from damaging the sealing ring 04, a fixed end 043 is arranged at the outer edge of the sealing ring 04, the fixed end 043 and the baffle wall 041 are respectively positioned at two side surfaces of the sealing ring 04 and are oppositely arranged, a sealing lip 044 in interference fit with the inner ring 02 is arranged at the inner edge of the sealing ring 04, grease in the interior of the bearing can be prevented from leaking out and can be acted with the framework 05 together to prevent external pollutants from entering the interior of the bearing, an annular groove 011 for embedding the fixed end 043 is arranged on the outer ring 01, the fixed end 043 is matched with the annular groove 011 to prevent the sealing ring 04 from being separated in the interference fit process of the, a notch 0111 facilitating embedding of a fixing end 043 is arranged on one side, far away from the roller 03, of the annular groove 011, the fixing end 043 comprises a first section 0431 fixedly connected with the sealing ring 04, a second section 0432 arranged in the annular groove 011 and in interference fit with the groove bottom of the annular groove 011, and a third section 0433 connecting the first section 0431 and the second section 0432, a gap 0434 exists between the first section 0431 and the second section 0432, one side, far away from the gap 0434, of the third section 0433 abuts against the groove wall, close to the roller 03, of the annular groove 011, the fixing end 043 is shaped like Jiong, the notch 0111 facilitates embedding of the sealing ring 04 into the annular groove 011, the shape of the fixing end 043 enables the framework 05 to have a certain floating amount in the bearing operation process, the framework 05 is not prone to deform in the bearing operation process, the service life of the framework 05 is prolonged, the outer side face of the second section 0432 is connected with the outer face of the third section 0433 through an, the inclined transition surface 0435 facilitates the fixing end 043 to be embedded into the annular groove 011, the sealing lip 044 is bent towards one end close to the inner ring 02, in the embodiment, the bending angle is 45, and compared with the linear sealing lip 044, the sealing lip 044 with the bending has a better sealing effect and is longer in service life.

The utility model discloses do not confine the above-mentioned embodiment to, the general technical personnel in this field can adopt other multiple embodiments to implement according to the utility model discloses a, perhaps all adopt the utility model discloses a design structure and thinking do simple change or change, all fall into the utility model discloses a protection scope.

Claims

1. The utility model provides a take seal structure's bearing, includes outer lane and inner circle, be equipped with roller and sealing washer between outer lane and the inner circle, its characterized in that: still include annular skeleton, the outer edge of sealing washer forms annular fender wall to one side buckling, keep off the mounting groove that the wall encloses into the confession skeleton installation, the outer edge of skeleton and the inner wall butt of mounting groove, the interior edge and the inner circle clearance fit of skeleton.

2. A bearing with a sealing structure according to claim 1, wherein: the outer department of following of sealing washer is equipped with the stiff end, the stiff end is located the both sides face of sealing washer and relative setting respectively with keeping off the wall, the interior department of following of sealing washer be equipped with inner circle interference fit's seal lip, be equipped with the annular groove who supplies the stiff end embedding on the outer lane, stiff end and annular groove interference fit.

3. A bearing with a sealing structure according to claim 2, wherein: one side that the roller was kept away from to the annular groove is equipped with the breach that makes things convenient for the stiff end embedding, the stiff end include with sealing washer fixed connection's first segmentation, arrange the annular groove in and with the tank bottom interference fit's of annular groove second segmentation and the third segmentation of connecting first segmentation and second segmentation, there is the clearance between first segmentation and the second segmentation, one side butt in the clearance is kept away from to the third segmentation is on the cell wall that the annular groove is close to the roller, the stiff end is the Jiong font.

4. A bearing with a sealing structure according to claim 3, wherein: the outer side surface of the second section is connected with the outer side surface of the third section through an inclined transition surface.

5. A bearing with a sealing structure according to claim 2, 3 or 4, wherein: the sealing lip is bent towards one end close to the inner ring, and the bending angle is 30-60 degrees.