CN109236865B

CN109236865B - Be applied to dustproof bearing of bearing outward appearance detachable

Info

Publication number: CN109236865B
Application number: CN201811340463.7A
Authority: CN
Inventors: 文勤; 黄长青; 马权钱; 金礼
Original assignee: Anhui Huadan Machinery Manufacturing Co ltd
Current assignee: Anhui Huadan Machinery Manufacturing Co ltd
Priority date: 2018-11-12
Filing date: 2018-11-12
Publication date: 2020-04-14
Anticipated expiration: 2038-11-12
Also published as: CN109236865A

Abstract

The invention discloses a dustproof bearing with a detachable bearing appearance, which comprises a bearing inner ring, a bearing outer ring, balls, a retainer and a dustproof cover, wherein the bearing inner ring and the bearing outer ring are coaxially arranged; a raceway is arranged on one side, close to the bearing outer ring, of the bearing inner ring, the raceway comprises annular baffles which are distributed up and down in the radial direction, and first threaded holes are formed in the annular baffles; the annular baffle is fixed with retainers which are relatively distributed in the radial direction; and a first groove is formed in one side, close to the bearing inner ring, of the bearing outer ring. The invention aims to provide a dustproof bearing with a detachable bearing appearance, which is convenient for cleaning and maintaining the bearing at regular time by arranging a detachable dustproof cover. In addition, the retainer is fixed on the inner ring of the bearing by using the screw, the retainer can be detached by directly loosening the screw, and the bearing cannot be damaged in the detaching process.

Description

Be applied to dustproof bearing of bearing outward appearance detachable

Technical Field

The invention relates to the field of bearing structures, in particular to a dustproof bearing with a detachable bearing appearance.

Background

A rolling bearing is a precise mechanical element that reduces friction loss by changing sliding friction between a running shaft and a shaft seat into rolling friction. The rolling bearing generally comprises four parts, namely an inner ring, an outer ring, a rolling body and a retainer, wherein the inner ring is used for being matched with a shaft and rotating together with the shaft; the outer ring is matched with the bearing seat to play a supporting role; the rolling bodies are uniformly distributed between the inner ring and the outer ring by virtue of the retainer, and the shape, size and number of the rolling bodies directly influence the service performance and service life of the rolling bearing; the retainer can enable the rolling bodies to be uniformly distributed and guide the rolling bodies to rotate to play a lubricating role.

The rolling bearing is mainly used in machinery, dust and other impurities can be contacted inevitably, dust and lubricant which are mixed during long-time working are easy to solidify, the lubricating effect cannot be achieved, the service life of the bearing can be influenced seriously, and therefore the bearing needs to be subjected to dustproof treatment. Present bearing dustproof treatment mainly adopts and adds the shield, but present shield adopts fixed mounting, and the installation is dismantled the difficulty, is unfavorable for the timing of bearing to wash and maintain.

In addition, after the bearing is used for a long time, the bearing needs to be disassembled for cleaning and maintenance. When the bearing is disassembled, the most commonly used method for disassembling the retainer is a knocking method, when the bearing is knocked, knocking force is generally applied to an inner ring of the bearing, and the knocking force is not applied to a rolling body and the retainer of the bearing.

Disclosure of Invention

The invention aims to provide a dustproof bearing with a detachable bearing appearance, which is convenient for cleaning and maintaining the bearing at regular time by arranging a detachable dustproof cover. In addition, the retainer is fixed on the inner ring of the bearing by using the screw, the retainer can be detached by directly loosening the screw, and the bearing cannot be damaged in the detaching process.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a be applied to bearing outward appearance detachable dust bearing, includes bearing inner race, ball, holder and shield, bearing inner race and the coaxial setting of outer lane, the bearing inner race is fixed with the holder on, impartially inlays on the holder and is equipped with a plurality of balls, and sliding connection has the shield on the bearing inner race.

A roller path is arranged on one side, close to the bearing outer ring, of the bearing inner ring, the roller path comprises annular baffles which are distributed up and down in the radial direction, and first threaded holes are formed in the annular baffles.

The annular baffle is fixed with retainers which are distributed oppositely in the radial direction.

One side of the bearing outer ring, which is close to the bearing inner ring, is provided with a first groove, and a plurality of balls are arranged between the first groove and the raceway.

The dustproof cover is formed by matching a first sealing cover and a second sealing cover, and the diameter of the second sealing cover is larger than that of the first sealing cover.

The inner side of the first sealing cover is provided with a first annular connecting plate, and the first annular connecting plate is connected with the inner wall of a second groove formed in the upper end of the bearing inner ring in a sliding mode.

And a second annular connecting plate is arranged on the inner side of the second sealing cover and is in sliding connection with the inner wall of a fourth groove formed in the bottom end of the bearing inner ring.

The retainer comprises a semicircular mounting ring and a connecting plate, the mounting ring is connected with the connecting plate through the connecting plate, the connecting plate is connected with a fixing plate, and a second threaded hole is formed in the fixing plate.

The upper end of the first sealing cover is provided with a circular feed inlet, and the outlet at the bottom end of the feed inlet corresponds to a first oil storage tank which is arranged at the inner end of the first sealing cover and corresponds to the position of the ball.

The first seal cover is provided with a third threaded hole on the peripheral side, a third groove is formed in the first seal cover, and circular first magnet pieces distributed in a circumferential array mode are arranged in the third groove.

And a second oil storage groove corresponding to the first oil storage groove is arranged in the second sealing cover.

And a third annular connecting plate is arranged in the second sealing cover, and second magnet sheets distributed in a circumferential array manner are arranged on the third annular connecting plate.

The second sealing cover is provided with sealing plates distributed in a circumferential array mode, the sealing plates are attached to the periphery of the first sealing cover, and the sealing plates are provided with fourth threaded holes with the same aperture as the third threaded holes.

The inner side of the semicircular mounting ring is attached to the upper curved surface and the lower curved surface of the ball.

The aperture size of the second threaded hole is consistent with the aperture size of the first threaded hole.

And the first oil storage tank is provided with circular oil outlets distributed in a circumferential array manner.

The invention has the beneficial effects that:

1. the detachable dustproof cover is arranged, so that the timing cleaning and maintenance of the bearing are facilitated;

2. the retainer is fixed by the screws, so that the retainer is convenient to disassemble, and the bearing is not damaged in the disassembling process;

3. the detachable dustproof cover and the retainer convenient to detach are simple and practical in structure, and the use of the structures is beneficial to prolonging the service life of the bearing.

Drawings

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

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic view of a portion of the structure of the present invention;

FIG. 4 is a schematic view of a portion of the structure of the present invention;

FIG. 5 is a schematic view of a portion of the structure of the present invention;

FIG. 6 is a schematic view of a portion of the structure of the present invention;

FIG. 7 is a schematic view of a portion of the structure of the present invention;

FIG. 8 is a schematic view of a portion of the structure of the present invention;

FIG. 9 is a schematic view of a portion of the structure of the present invention;

fig. 10 is a partial structural schematic of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

The utility model provides a be applied to bearing outward appearance detachable dust bearing, as shown in fig. 1 and fig. 2, includes bearing inner race 1, bearing outer race 2, ball 3, holder 4 and shield 5, and bearing inner race 1 sets up with outer lane 2 is coaxial, is fixed with holder 4 on the bearing inner race 1, and impartial the inlaying is equipped with a plurality of balls 3 on the holder 4, and sliding connection has shield 5 on the bearing inner race 1.

As shown in fig. 3 to 6, a raceway 11 is arranged on one side of the bearing inner ring 1 close to the bearing outer ring 2, the raceway 11 includes annular baffles 12 distributed radially up and down, first threaded holes 121 are formed in the annular baffles 12, and retainers 4 distributed radially and relatively are fixed on the annular baffles 12.

The holder 4 comprises semicircular mounting rings 41 and connecting plates 42, the mounting rings 41 being connected to each other by the connecting plates 42. The fixing plate 421 is connected to the connecting plate 42, a second screw hole 4211 having a diameter identical to that of the first screw hole 121 is formed in the fixing plate 421, and the retainer 4 is fixed to the ring guard 12 by passing a screw through the first screw hole 121 and the second screw hole 4211.

One side of the bearing outer ring 2 close to the bearing inner ring 1 is provided with a first groove 21, as shown in fig. 7, a plurality of balls 3 are installed between the first groove 21 and the raceway 11, and the balls 3 are fixed in position by an installation ring 41 on the retainer 4, so that stable installation between the bearing inner ring 1 and the bearing outer ring 2 is realized.

The dust cover 5 is formed by a first seal cover 51 and a second seal cover 52, which are engaged with each other, as shown in fig. 8 to 9.

The first sealing cover 51 is provided with a first annular connecting plate 511 at the inner side, and the first annular connecting plate 511 is connected with the inner wall of the second groove 13 arranged at the upper end of the bearing inner ring 1 in a sliding way.

The upper end of the first sealing cover 51 is provided with a circular feed inlet 512, the feed inlet 512 is sealed by a rubber cap, the outlet at the bottom end of the feed inlet 512 corresponds to a first oil storage tank 513 arranged at the inner end of the first sealing cover 51 and corresponding to the position of the ball 3, and the first oil storage tank 513 is provided with circular oil outlet holes 5131 distributed in a circumferential array. In order to ensure that the bearing normally runs, the friction and the abrasion in the bearing are reduced, the service life of the bearing is prolonged, the performance of the bearing is enhanced, and meanwhile, the rusting and the corrosion caused by the intrusion of foreign matters into the bearing are prevented, lubricating oil enters the first oil storage groove 513 through the feeding hole 512, falls onto the surface of the ball 3 through the oil outlet 5131, and is smeared in the raceway 11 and the inner surface of the first groove 21 when the ball 3 rolls in the raceway 11 and the first groove 21.

The first seal cover 51 is provided with a third screw hole 514 around the circumference, the first seal cover 51 is provided with a third groove 515, and the third groove 515 is internally provided with circular first magnet pieces 5151 distributed in a circumferential array.

A second annular connecting plate 521 is arranged on the inner side of the second sealing cover 52, and the second annular connecting plate 521 is in sliding connection with the inner wall of the fourth groove 14 arranged at the bottom end of the bearing inner ring 1.

A second oil storage groove 522 corresponding to the first oil storage groove 513 is formed in the second seal cover 52, the upper end of the second oil storage groove 522 is opened, and redundant lubricating oil falls into the second oil storage groove 522 to prevent the lubricating oil from flowing around in the bearing. A third annular connecting plate 523 is arranged in the second sealing cover 52, and second magnet pieces 5231 distributed in a circumferential array are arranged on the third annular connecting plate 523.

The second seal cover 52 is provided with a seal plate 524 arranged in a circumferential array, the seal plate 524 is attached to the first seal cover 51 on the circumferential side, and the seal plate 524 is provided with a fourth screw hole 5241 having the same diameter as the third screw hole 514.

When the first sealing cover 51 is matched with the second sealing cover 52, the second magnet piece 5231 on the third annular connecting plate 523 and the first magnet piece 5151 in the third groove 515 attract each other, so that the third annular connecting plate 523 and the third groove 515 are matched and tightly matched. The bolts penetrate through the third and fourth screw holes 514 and 5241, so that the first and second seal covers 51 and 52 are tightly fitted to prevent impurities such as dust in the air from entering the bearing.

The use steps are as follows:

1. install first sealed lid 51 in bearing inner race 1 upper end, install second sealed lid 52 in bearing inner race 1 bottom, utilize the bolt to run through third screw hole 514 and fourth screw hole 5241 for first sealed lid 51 and second sealed lid 52 closely cooperate, thereby in having avoided the dust in the air to get into the bearing, prolonged the life of bearing.

2. After the bearing is installed, lubricating oil enters the first oil storage groove 513 through the feeding hole 512, the bearing is axially rotated, the lubricating oil in the first oil storage groove 513 can be fully distributed at the bottom of the first oil storage groove 513, and the lubricating oil falls to the surface of the ball 3 through the oil outlet 5131 to lubricate the ball.

3. After the above steps are completed, the feed port 512 is sealed by using a rubber sealing cap.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims

1. A dustproof bearing with a detachable bearing appearance comprises a bearing inner ring (1), a bearing outer ring (2), balls (3), a retainer (4) and a dustproof cover (5), and is characterized in that the bearing inner ring (1) and the bearing outer ring (2) are coaxially arranged, the retainer (4) is fixed on the bearing inner ring (1), the balls (3) are equally embedded on the retainer (4), and the dustproof cover (5) is slidably connected on the bearing inner ring (1);

a raceway (11) is arranged on one side, close to the bearing outer ring (2), of the bearing inner ring (1), the raceway (11) comprises annular baffles (12) which are distributed up and down in the axial direction, and first threaded holes (121) are formed in the annular baffles (12);

the annular baffle (12) is fixed with retainers (4) which are relatively distributed in the radial direction;

a first groove (21) is formed in one side, close to the bearing inner ring (1), of the bearing outer ring (2), and a plurality of balls (3) are mounted between the first groove (21) and the roller path (11);

the dustproof cover (5) is formed by matching a first sealing cover (51) and a second sealing cover (52);

a first annular connecting plate (511) is arranged on the inner side of the first sealing cover (51), and the first annular connecting plate (511) is in sliding connection with the inner wall of a second groove (13) formed in the upper end of the bearing inner ring (1);

a second annular connecting plate (521) is arranged on the inner side of the second sealing cover (52), and the second annular connecting plate (521) is in sliding connection with the inner wall of a fourth groove (14) formed in the bottom end of the bearing inner ring (1);

the retainer (4) comprises semicircular mounting rings (41) and a connecting plate (42), the mounting rings (41) are connected with each other through the connecting plate (42), the connecting plate (42) is connected with a fixing plate (421), and a second threaded hole (4211) is formed in the fixing plate (421).

2. The dustproof bearing applied to the detachable bearing appearance of claim 1, wherein the first sealing cover (51) is provided with a circular feeding hole (512) at the upper end, and the outlet at the bottom end of the feeding hole (512) corresponds to the first oil storage groove (513) which is arranged at the inner end of the first sealing cover (51) and corresponds to the position of the ball (3).

3. The dust-proof bearing applied to the detachable bearing appearance of claim 1, wherein the first sealing cover (51) is provided with a third threaded hole (514) on the periphery, the first sealing cover (51) is provided with a third groove (515), and the third groove (515) is provided with a circular first magnet piece (5151) distributed in a circumferential array.

4. The dustproof bearing with the detachable bearing appearance as set forth in claim 1, wherein said second seal cover (52) is provided with a second oil reservoir (522) corresponding to the position of said first oil reservoir (513).

5. The dust-proof bearing applied to the detachable bearing appearance of claim 1, wherein a third annular connecting plate (523) is arranged in the second sealing cover (52), and second magnet pieces (5231) distributed in a circumferential array are arranged on the third annular connecting plate (523).

6. The dust-proof bearing applied to the detachable bearing appearance of claim 1, wherein the second sealing cover (52) is provided with sealing plates (524) distributed in a circumferential array, the sealing plates (524) are attached to the circumferential side of the first sealing cover (51), and the sealing plates (524) are provided with fourth threaded holes (5241) with the same diameter as the third threaded holes (514).

7. The dustproof bearing with the detachable bearing appearance as claimed in claim 2, wherein the inner side of the semicircular mounting ring (41) is attached to the upper and lower curved surfaces of the ball (3).

8. The dustproof bearing with the detachable bearing appearance is characterized in that the second threaded hole (4211) has a hole size consistent with that of the first threaded hole (121).

9. The dustproof bearing with the detachable bearing appearance as claimed in claim 2, wherein said first oil storage groove (513) is provided with circular oil outlet holes (5131) distributed in a circumferential array.