CN211231299U

CN211231299U - Canned type gyro wheel bearing

Info

Publication number: CN211231299U
Application number: CN201922434731.8U
Authority: CN
Inventors: 王玉珍
Original assignee: Wujiang Sunshine Plastic Products Co ltd
Current assignee: Wujiang Sunshine Plastic Products Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-08-11
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a canned type roller bearing, including bearing inner race, outer lane draw-in groove, cylindrical roller, packing ring draw-in groove, graphite packing ring, bearing inner circle, inner circle draw-in groove, connecting axle, thread groove, screw thread post, activity chamber, reset spring, guide way, guide block, shrouding, rubber pad, interface channel and water conservancy diversion hole. The graphite gasket is arranged between the bearing outer ring and the bearing inner ring, the bearing outer ring and the bearing inner ring have self-lubricating effect and good sealing performance at the same time, and lubricating oil can be conveyed from the flow guide hole to the interior of the movable cavity through the compression sealing plate by using an injector and then conveyed to the interior of the cylindrical roller through the connecting channel; what adopt threaded column and thread groove is threaded connection, what the inside movable cavity of threaded column adopted is the regular hexagonal structure, can dismantle the threaded column through using interior hexagonal spanner, and shrouding and guide way sliding connection, and internals associativity is stronger, the maintenance and the change in the later stage of being convenient for.

Description

Canned type gyro wheel bearing

Technical Field

The utility model relates to a roller bearing specifically is a canned type roller bearing, belongs to roller bearing application technical field.

Background

The outer ring of the roller bearing adopts a full-filling cylindrical roller bearing with a thicker outer ring wall, the outer diameter surface of the roller has a cylindrical shape and an arc shape, and can be designed to be matched with a raceway surface according to the use occasion, and the roller can directly roll on the raceway and bear heavier load and impact load by utilizing the outer ring; the bearing is a sealing structure, is filled with lubricating grease, provides long-term effective lubrication, can avoid lubrication for users, can design a channel for supplementing the lubricating grease for severe use working conditions, prolongs the service life of the bearing, can cause the roller bearing to generate heat due to improper mode, can reduce the abrasion of parts in motion through lubrication, ensures the precision of a press machine, and reduces the energy consumption; the lubrication is divided into thin oil lubrication, thick oil lubrication and the like.

In the prior art, the roller bearing needs to be added with lubricating oil in the using process, the existing roller bearing is simple in lubricating oil adding process and generally can be directly coated from the side edge, so that the lubricating of an internal rolling body is not thorough, the service life of the bearing is influenced, and the roller bearing is simple in structure and lacks of a lubricating structure. Accordingly, a seal type roller bearing has been proposed to address the above problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a sealed roller bearing for solving the above problems.

The utility model realizes the purpose through the following technical proposal, a sealing type roller bearing comprises a bearing outer ring, an oiling structure, a cylindrical roller, a bearing inner ring and a connecting shaft which are sequentially arranged from top to bottom;

the bearing outer ring is sleeved on the outer surface of the bearing inner ring, a gasket clamping groove is formed in the inner wall of the bearing outer ring, a graphite gasket is clamped in the gasket clamping groove, and the graphite gasket is sleeved on the surface of the bearing inner ring;

the oil injection structure comprises a thread groove, a thread column, a movable cavity and a sealing plate, wherein the thread groove is formed in the surface of the outer ring of the bearing, the thread column is connected with the thread groove in a screwing mode, and the movable cavity is formed in the top end of the thread column; the shrouding block is in the activity intracavity portion, the shrouding with be equipped with reset spring between the activity chamber bottom, it has the guide way to open on the inner wall in activity chamber, the equal rigid coupling in both sides side of shrouding has the guide block, just the guide block is in inside the guide way.

Preferably, an outer ring clamping groove is formed in the inner side wall of the bearing outer ring, an inner ring clamping groove is formed in the outer surface of the bearing inner ring, and the cylindrical roller is clamped between the outer ring clamping groove and the inner ring clamping groove.

Preferably, the connecting shaft is sleeved inside the bearing inner ring, and the sizes of the connecting shaft and the bearing inner ring are matched with each other.

Preferably, the guide block is of a convex structure, the guide groove is of a concave structure, and the guide block and the guide groove are in sliding connection.

Preferably, the movable cavity and the sealing plate are of a regular hexagon structure, and a rubber pad is fixedly connected to the top end of the movable cavity.

Preferably, the surface of the guide block is provided with a flow guide hole, the bottom end of the movable cavity is provided with a connecting channel, and the connecting channel penetrates into the bearing outer ring.

The utility model has the advantages that:

1. the utility model discloses be equipped with the graphite packing ring between bearing inner race and bearing outer race, can make bearing inner race and bearing outer race have self-lubricating effect through the graphite packing ring, have good leakproofness simultaneously, and use the syringe to carry lubricating oil to the movable chamber inside from the water conservancy diversion hole through compressing the shrouding, pass through the connecting channel again and carry it to the cylindrical roller inside, it is comparatively simple when lubricated;

2. the utility model discloses what adopt screw thread post and thread groove is threaded connection, what the inside movable chamber of screw thread post adopted is the regular hexagonal structure, can dismantle the screw thread post through using interior hexagonal spanner, and the shrouding and the guide way sliding connection of activity intracavity portion, and the internals associativity is stronger, the maintenance and the change in the later stage of being convenient for.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

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

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is the connection diagram of the threaded post and the sealing plate of the present invention.

In the figure: 1. bearing inner race, 2, outer lane draw-in groove, 3, cylindrical roller, 4, packing ring draw-in groove, 5, graphite packing ring, 6, bearing inner race, 7, inner race draw-in groove, 8, connecting axle, 9, thread groove, 10, screw thread post, 11, activity chamber, 12, reset spring, 13, guide way, 14, guide block, 15, shrouding, 16, rubber pad, 17, interface channel, 18, water conservancy diversion hole.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-3, a sealed roller bearing includes a bearing outer ring 1, an oil injection structure, a cylindrical roller 3, a bearing inner ring 6 and a connecting shaft 8, which are sequentially installed from top to bottom;

the bearing outer ring 1 is sleeved on the outer surface of the bearing inner ring 6, a gasket clamping groove 4 is formed in the inner wall of the bearing outer ring 1, a graphite gasket 5 is clamped in the gasket clamping groove 4, and the graphite gasket 5 is sleeved on the surface of the bearing inner ring 6;

the oil injection structure comprises a thread groove 9, a thread column 10, a movable cavity 11 and a sealing plate 15, wherein the thread groove 9 is formed in the surface of the bearing outer ring 1, the thread column 10 is connected with the thread groove 9 in a screwing mode, and the movable cavity 11 is formed in the top end of the thread column 10; the shrouding 15 block is in inside the activity chamber 11, the shrouding 15 with be equipped with reset spring 12 between the 11 bottoms in activity chamber, it has guide way 13 to open on the inner wall in activity chamber 11, the equal rigid coupling in both sides side of shrouding 15 has guide block 14, just guide block 14 block is in inside guide way 13.

An outer ring clamping groove 2 is formed in the inner side wall of the bearing outer ring 1, an inner ring clamping groove 7 is formed in the outer surface of the bearing inner ring 6, and the cylindrical roller 3 is clamped between the outer ring clamping groove 2 and the inner ring clamping groove 7, so that the cylindrical roller 3 is conveniently fixed between the bearing outer ring 1 and the bearing inner ring 6; the connecting shaft 8 is sleeved inside the bearing inner ring 6, and the sizes of the connecting shaft 8 and the bearing inner ring 6 are matched with each other, so that the connecting shaft 8 and the bearing inner ring 6 are conveniently connected; the guide block 14 is of a convex structure, the guide groove 13 is of a concave structure, the guide block and the guide groove are connected in a sliding manner, and when the sealing plate 15 slides, the guide block 14 plays a role in guiding; the movable cavity 11 and the sealing plate 15 are both in a regular hexagon structure, a rubber pad 16 is fixedly connected to the top end of the movable cavity 11, and the sealing plate 15 and the movable cavity 11 are sealed through the rubber pad 16; the surface of the guide block 14 is provided with a flow guide hole 18, the bottom end of the movable cavity 11 is provided with a connecting channel 17, the connecting channel 17 penetrates into the bearing outer ring 1, so that lubricating oil can be conveniently conveyed into the movable cavity 11 through the flow guide hole 18, and then conveyed to the surface of the cylindrical roller 3 through the connecting channel 17.

When the utility model is used, firstly, the graphite gasket 5 is arranged between the bearing outer ring 1 and the bearing inner ring 6, and the graphite gasket 5 can ensure that the bearing outer ring 1 and the bearing inner ring 6 have self-lubricating function and good sealing performance; when lubricating oil is added, firstly, the lubricating oil is sucked into the injector, then the top end of the injector is clamped at the top end of the sealing plate 15, the sealing plate 15 is pressed downwards, the sealing plate 15 moves towards the bottom end along the guide groove 13, meanwhile, the return spring 12 is in a compressed state, so that the injector injects the lubricating oil, the lubricating oil can be conveyed to the bottom end of the movable cavity 11 from the guide hole 18 on the surface of the guide block 14, the lubricating oil can be conveyed to the surface of the cylindrical roller 3 through the connecting channel 17, and the lubricating effect of the cylindrical roller 3 can be better; when the lubrication is finished, the injector is taken down, and under the action of the return spring 12, the sealing plate 15 seals the top end of the movable cavity 11 through the rubber pad 16 to prevent dust from entering the inside of the movable cavity;

then what screw thread post 10 and thread groove 9 adopted is threaded connection, what the inside movable cavity 11 of screw thread post 10 adopted is the regular hexagonal structure, can install or dismantle screw thread post 10 through using the allen key, and the inside shrouding 15 and the guide way 13 sliding connection of movable cavity 11, and the internals associativity is stronger, the maintenance and the change in the later stage of being convenient for.

It is well within the skill of those in the art to implement, without undue experimentation, the present invention does not relate to software and process improvements, as related to circuits and electronic components and modules.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A sealed roller bearing characterized by: the oil filling device comprises a bearing outer ring (1), an oil filling structure, a cylindrical roller (3), a bearing inner ring (6) and a connecting shaft (8) which are sequentially arranged from top to bottom;

the bearing outer ring (1) is sleeved on the outer surface of the bearing inner ring (6), a gasket clamping groove (4) is formed in the inner wall of the bearing outer ring (1), a graphite gasket (5) is clamped in the gasket clamping groove (4), and the graphite gasket (5) is sleeved on the surface of the bearing inner ring (6);

the oil injection structure comprises a thread groove (9), a thread column (10), a movable cavity (11) and a sealing plate (15), wherein the thread groove (9) is formed in the surface of the bearing outer ring (1), the thread column (10) is connected with the thread groove (9) in a screwing mode, and the movable cavity (11) is formed in the top end of the thread column (10); shrouding (15) block is in inside activity chamber (11), shrouding (15) with be equipped with reset spring (12) between activity chamber (11) bottom, it has guide way (13) to open on the inner wall in activity chamber (11), the equal rigid coupling in both sides side of shrouding (15) has guide block (14), just guide block (14) block is in inside guide way (13).

2. The sealed roller bearing of claim 1, wherein: an outer ring clamping groove (2) is formed in the inner side wall of the bearing outer ring (1), an inner ring clamping groove (7) is formed in the outer surface of the bearing inner ring (6), and the cylindrical roller (3) is clamped between the outer ring clamping groove (2) and the inner ring clamping groove (7).

3. The sealed roller bearing of claim 1, wherein: the connecting shaft (8) is sleeved inside the bearing inner ring (6), and the sizes of the connecting shaft and the bearing inner ring are matched with each other.

4. The sealed roller bearing of claim 1, wherein: the guide block (14) is of a convex structure, the guide groove (13) is of a concave structure, and the guide block and the guide groove are connected in a sliding mode.

5. The sealed roller bearing of claim 1, wherein: the movable cavity (11) and the sealing plate (15) are both of a regular hexagon structure, and a rubber pad (16) is fixedly connected to the top end of the movable cavity (11).

6. The sealed roller bearing of claim 1, wherein: the surface of the guide block (14) is provided with a flow guide hole (18), the bottom end of the movable cavity (11) is provided with a connecting channel (17), and the connecting channel (17) penetrates into the bearing outer ring (1).