CN215567277U

CN215567277U - Precision flange type bearing

Info

Publication number: CN215567277U
Application number: CN202121981073.5U
Authority: CN
Inventors: 施天津; 陈志婷; 伍海魂
Original assignee: FK Bearing Group Co Ltd
Current assignee: FK Bearing Group Co Ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-01-18
Anticipated expiration: 2031-08-23

Abstract

The utility model discloses a precise flange type bearing which comprises a flange plate and a bearing, wherein the flange plate is provided with the bearing, the bearing comprises an outer ring, an inner ring, a pressing ring, a sealing disc, a rubber ring and steel balls, the outer ring is welded on the flange plate, the inner ring is sleeved on the inner side of the outer ring, the pressing ring is sleeved on the inner ring, the sealing disc is welded on the pressing ring, the rubber ring is adhered on the outer edge of the sealing disc, and the steel balls are arranged between the outer ring and the inner ring. Has the advantages that: the sealing disc and the rubber ring are utilized to cover the steel ball, so that the steel ball is in a sealing state, dust, rainwater, sand grains and the like are prevented from entering the steel ball groove, the interior of the bearing is ensured to be clean, and the service life is prolonged; through having seted up the oil filler point and leading the oilhole on sealed dish and rubber ring, utilize the oil filler point to the steel ball on the oiling, can send lubricating oil to the laminating department of rubber ring and outer lane simultaneously, be convenient for lubricate the rubber ring, reduce frictional force, ensure that the bearing rotates in the same direction as smooth, overall structure is comparatively accurate, improves self protectiveness greatly.

Description

Precision flange type bearing

Technical Field

The utility model relates to the technical field of flange bearings, in particular to a precision flange type bearing.

Background

The flange bearing is a series of products with flanges on the outer wheel, so that the axial positioning becomes simple; the bearing seat is not needed any more, and the method becomes more economical. In order to obtain low friction torque, high rigidity and good rotation accuracy of the bearing, steel balls with small outer diameters are used. The hollow shaft ensures the space of light weight and wiring, and has the greatest characteristic that the flange and the bearing are integrated. The flange bearing presents its advantages when the shaft has no connection at one end and needs to be fixed on a plane such as a plate or a wall.

The flange formula bearing that uses at present, the leakproofness is relatively poor, installs when outdoor, and dust, rainwater, grains of sand etc. enter into the steel ball inslot very easily to increase the frictional force of steel ball, very easily cause the steel ball to damage, secondly be unfavorable for carrying out the oiling lubrication to the steel ball, whole precision is relatively poor, causes its self protectiveness not good enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: aiming at the problems existing at present, the sealing disc is welded on the outer side of the pressing ring in a sealing mode, the rubber ring is adhered to the outer side of the sealing disc, the steel ball is covered by the sealing disc and the rubber ring, the steel ball is in a sealing state, dust, rainwater, sand grains and the like are prevented from entering a steel ball groove, the inner part of the bearing is guaranteed to be clean, and the service life is prolonged; through having seted up the oil filler point and leading the oilhole on sealed dish and rubber ring, utilize the oil filler point to the steel ball on the oiling, can send lubricating oil to the laminating department of rubber ring and outer lane simultaneously, be convenient for lubricate the rubber ring, reduce frictional force, ensure that the bearing rotates in the same direction as smooth, overall structure is comparatively accurate, improves self protectiveness greatly to solve not enough and the defect that prior art exists.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides an accurate flange formula bearing, includes ring flange and bearing, be provided with the bearing on the ring flange, the bearing includes outer lane, inner circle, clamping ring, sealed dish, rubber circle and steel ball, the welding has the outer lane on the ring flange, the inboard cover of outer lane is equipped with the inner circle, forms holistic flange formula bearing structure, the inherent clamping ring of inner circle cover, the welding has sealed dish on the clamping ring, paste inherent rubber circle on the outward flange of sealed dish for it is closely sealed, be provided with a plurality of steel balls between outer lane and the inner circle, the inner circle of being convenient for rotates.

Preferably, a first steel ball groove is formed in the inner wall of the outer ring, a second steel ball groove is formed in the outer side of the inner ring, and the steel ball is located between the first steel ball groove and the second steel ball groove.

Preferably, two oil filler holes are formed in the sealing disc, and oil guide holes are formed in the side of each oil filler hole and the inner portion of the rubber ring.

Preferably, the oil filling hole is plugged with a sealing plug.

Preferably, a seat hole is formed in the center of the flange plate, and the bottom of the outer ring is welded to the seat hole.

Preferably, the outer edge of the rubber ring is tightly attached to the inner wall of the outer ring.

Due to the adoption of the technical scheme, the utility model has the beneficial effects that:

on the one hand, have sealed dish through the outside seal welding at the clamping ring to in the outside of sealed dish the intrinsic rubber circle of gluing, utilize sealed dish and rubber circle to cover the steel ball, let the steel ball be in encapsulated situation, avoid dust, rainwater, sand grain etc. enters into the steel ball inslot, guarantee that the bearing is inside clean, improve life.

On the other hand, through set up oil filler point and lead the oilhole on sealed dish and rubber ring, utilize the oil filler point to the steel ball on the oiling, can send lubricating oil to the laminating department of rubber ring and outer lane simultaneously, be convenient for lubricate the rubber ring, reduce frictional force, ensure that the bearing rotates in the same direction as smooth, overall structure is comparatively accurate, improves self protectiveness greatly.

Drawings

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

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

FIG. 3 is a schematic view of a press ring cut-away structure according to the present invention;

fig. 4 is an enlarged schematic view of a in fig. 3 according to the present invention.

In the figure: 1. a flange plate; 2. an outer ring; 3. an inner ring; 4. pressing a ring; 5. sealing the disc; 6. a rubber ring; 7. a first steel ball groove; 8. a second steel ball groove; 9. a steel ball; 10. an oil filler hole; 11. a sealing plug; 12. an oil guide hole; 13. a seat bore.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer and more complete, the technical solutions in the embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1-4, the utility model provides a technical scheme that the precision flange type bearing comprises a flange plate 1 and a bearing, wherein the flange plate 1 is provided with the bearing, the bearing comprises an outer ring 2, an inner ring 3, a pressing ring 4, a sealing disc 5, a rubber ring 6 and steel balls 9, the outer ring 2 is welded on the flange plate 1, the inner ring 3 is sleeved on the inner side of the outer ring 2 to form a complete bearing, the pressing ring 4 is fixedly sleeved on the inner ring 3, the sealing disc 5 is welded on the pressing ring 4, the rubber ring 6 is fixedly adhered on the outer edge of the sealing disc 5 and used for sealing the bearing, and a plurality of steel balls 9 are arranged between the outer ring 2 and the inner ring 3 to facilitate the rotation of the inner ring 3.

Preferably, the inner wall of the outer ring 2 is provided with a first steel ball groove 7, the outer side of the inner ring 3 is provided with a second steel ball groove 8, and the steel ball 9 is located between the first steel ball groove 7 and the second steel ball groove 8 and used for fixing the steel ball 9.

Preferably, two oil injection holes 10 are formed in the sealing disc 5, and oil guide holes 12 are formed in the side of each oil injection hole 10 and the inner portion of the rubber ring 6 and used for injecting lubricating oil to the inner walls of the steel ball 9 and the outer ring 2.

Preferably, the oil filling hole 10 is plugged with a sealing plug 11 to prevent impurities from entering the inside of the bearing.

Preferably, a seat hole 13 is formed in the center of the flange plate 1, and the bottom of the outer ring 2 is welded to the seat hole 13, so that precise welding is facilitated.

Preferably, the outer edge of the rubber ring 6 is tightly attached to the inner wall of the outer ring 2, so as to facilitate tight sealing.

In this embodiment, the assembly process of the precision flange bearing is as follows:

firstly, the outer ring 2 is welded on the seat hole 13 on the flange plate 1, then the pressing ring 4 is sleeved on the inner ring 3, then the inner ring 3 is placed in the outer ring 2, then the steel ball 9 is placed in the steel ball groove between the inner ring 3 and the outer ring 2 for pressing, thereby forming the integral flange type bearing structure, the sealing disc 5 and the rubber ring 6 are utilized to cover the steel ball 9, the steel ball 9 is in a sealing state, dust, rainwater, sand grains and the like are prevented from entering the steel ball groove, the interior of the bearing is ensured to be clean, the service life is prolonged, the oil injection hole 10 is utilized to inject oil onto the steel ball 9, meanwhile, the lubricating oil can be sent to the joint of the rubber ring 6 and the outer ring 2, the rubber ring 6 is convenient to lubricate, the friction force is reduced, the smooth rotation of the bearing is ensured, the integral structure is more precise, and the self-protection performance is greatly improved.

The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a precision flange formula bearing, includes ring flange (1) and bearing, its characterized in that: be provided with the bearing on ring flange (1), the bearing includes outer lane (2), inner circle (3), clamping ring (4), sealed dish (5), rubber ring (6) and steel ball (9), the welding has outer lane (2) on ring flange (1), the inboard cover of outer lane (2) is equipped with inner circle (3), inherent clamping ring (4) of cover on inner circle (3), the welding has sealed dish (5) on clamping ring (4), glue inherent rubber ring (6) on the outward flange of sealed dish (5), be provided with a plurality of steel balls (9) between outer lane (2) and inner circle (3).

2. A precision flange bearing according to claim 1, wherein: a first steel ball groove (7) is formed in the inner wall of the outer ring (2), a second steel ball groove (8) is formed in the outer side of the inner ring (3), and the steel ball (9) is located between the first steel ball groove (7) and the second steel ball groove (8).

3. A precision flange bearing according to claim 1, wherein: two oil filler holes (10) are formed in the sealing disc (5), and oil guide holes (12) are formed in the side of each oil filler hole (10) and the inside of the rubber ring (6).

4. A precision flange bearing according to claim 3, wherein: and a sealing plug (11) is plugged in the oil filling hole (10).

5. A precision flange bearing according to claim 1, wherein: the center of the flange plate (1) is provided with a seat hole (13), and the bottom of the outer ring (2) is welded on the seat hole (13).

6. A precision flange bearing according to claim 1, wherein: the outer edge of the rubber ring (6) is tightly attached to the inner wall of the outer ring (2).