Lubricating type bearing

Abstract

The utility model provides a lubrication type bearing, which belongs to the technical field of bearings and comprises an outer ring and an inner ring, balls and a retainer are sleeved in the middle between the outer ring and the inner ring, a lower seal cover is in threaded connection with the inner side of the lower end of the outer ring, the inner side of the lower seal cover is flexibly abutted against the outer surface of the inner ring for sealing, and an upper seal cover group is embedded in the inner side of the upper end of the outer ring. And the inner side and the outer side of the lower end of the upper sealing cover group are respectively and softly propped against the inner side of the outer ring and the outer side of the inner ring in a sealing manner, and through the sealing design of the lower sealing cover and the upper sealing cover group between the upper end and the lower end of the outer ring and the inner ring, a lubricant can be filled into a sealing cavity between the outer ring and the inner ring to lubricate the ball and the retainer. And the upper cover, the pressing plate and each spring form an upper sealing cover group, and the pressing plate always has a downward pressing buffering acting force under the action of each spring, so that the lubricant can be pressed into the ball and the retainer by the pressing plate after being upwards extruded and pushed by the ball and the retainer during rotation, and the lubricating effect of the ball and the retainer is not easy to reduce.

Description

Technical Field

[0001] The utility model relates to a lubricating bearing and belongs to the technical field of bearings. Background Art

[0002] Bearings are components that fix and reduce the load friction coefficient during mechanical transmission. In other words, when other parts move relative to each other on the shaft, they are used to reduce the friction coefficient during power transmission and keep the center position of the shaft fixed. Bearings are an important component in contemporary mechanical equipment. Its main function is to support the mechanical rotating body and reduce the mechanical load friction coefficient of the equipment during transmission.

[0003] Whether it is a rolling bearing or a sliding bearing, when the shaft rotates, its rotating part and the stationary part cannot be in direct contact, otherwise it will be damaged due to friction. In order to prevent friction between the moving and stationary parts, lubricant must be added, but during use, due to the rotation of the balls and the cage in the middle of the outer ring and the inner ring, the lubricant will be pushed to the upper and lower cavities between the outer ring and the inner ring, which reduces the lubricating effect of the lubricant on the balls and the cage. In view of the above problems, the utility model proposes a lubricating bearing. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a lubricating bearing to solve the existing problems.

[0005] In order to achieve the above-mentioned purpose, the utility model is realized by the following technical scheme: a lubricating bearing, comprising an outer ring and an inner ring, wherein a ball and a retaining frame are sleeved in the middle between the outer ring and the inner ring, a lower cover is threadedly connected to the inner side of the lower end of the outer ring, and the inner side of the lower cover is softly abutted and sealed against the outer surface of the inner ring, an upper cover group is embedded in the inner side of the upper end of the outer ring, and the inner and outer sides of the lower end of the upper cover group are softly abutted and sealed against the inner side of the outer ring and the outer side of the inner ring respectively;

[0006] The upper sealing cover assembly comprises an upper cover, and a plurality of springs are welded on the bottom surface of the upper cover in a circular array, and a pressure plate is welded between the lower ends of the springs.

[0007] As a further improvement, a groove for embedding the upper cover is provided on the inner side of the top surface of the outer ring, and a first thread for locking the lower cover is provided on the inner side of the lower end of the outer ring.

[0008] As a further improvement, the lower cover comprises a lower cover body, a second thread is formed on the outer side of the lower cover body, and a first sealing gasket is formed inside the lower cover body.

[0009] As a further improvement, a vertical clamping edge is arranged on the outer peripheral edge of the bottom surface of the upper cover, a plurality of spring upper sleeve grooves are arranged on the bottom surface of the upper cover in a circular array, and a through opening is arranged on one side of the upper cover.

[0010] A further improvement is that the pressure plate includes a pressure plate body, and the outer ring of the pressure plate body is provided with a second sealing gasket, and the inner ring of the pressure plate body is provided with a third sealing gasket, the top surface of the pressure plate body is provided with a plurality of spring lower sleeve grooves in a circular array, and a feeding pipe is vertically connected to one side of the top surface of the pressure plate body, and the upper end of the feeding pipe passes through the through opening, and a cover cap is provided on the top end of the feeding pipe.

[0011] As a further improvement, the outer ring, inner ring and retaining frame are prior art, and their structures are not described one by one here.

[0012] The beneficial effects of the utility model are:

[0013] The utility model provides a lubricating bearing, through the sealing design of the lower cover and the upper cover group at the upper and lower ends between the outer ring and the inner ring, the lubricant can be filled into the sealing cavity between the outer ring and the inner ring to lubricate the ball and the retaining frame, and the upper cover group composed of the upper cover, the pressure plate and the springs allows the pressure plate to always have a downward pressure buffering force under the action of the springs, so that the lubricant can be pushed upward by the ball and the retaining frame when the ball and the retaining frame rotate, and can also be pressed downward into the ball and the retaining frame by the pressure plate, so that the lubricating effect of the ball and the retaining frame is not easily reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of a lubricating bearing structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the lower cover structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the upper cover structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the pressing plate of the utility model. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] See also Figure 1-Figure 4, the utility model is a schematic diagram of a lubricating bearing technical solution: it includes an outer ring 1 and an inner ring 2, a ball 3 and a retaining frame 6 are sleeved in the middle between the outer ring 1 and the inner ring 2, the inner side of the lower end of the outer ring 1 is threadedly connected with a lower cover 4, and the inner side of the lower cover 4 is softly abutted and sealed with the outer surface of the inner ring 2, the inner side of the upper end of the outer ring 1 is embedded with an upper cover group 5, and the inner and outer sides of the lower end of the upper cover group 5 are softly abutted and sealed with the inner side of the outer ring 1 and the outer side of the inner ring 2 respectively, the upper cover group 5 includes an upper cover 51, and a plurality of springs 53 are welded on the bottom surface of the upper cover 51 in an annular array, and a pressure plate 52 is welded between the lower ends of each spring 53, the inner side of the top surface of the outer ring 1 is provided with an embedding groove 11 for the upper cover 51 to be embedded, and the inner side of the lower end of the outer ring 1 is provided with a first thread for locking the lower cover 4, and the lower cover 4 includes a lower cover itself The upper cover 51 is provided with a vertical clamping edge 511 on the outer peripheral edge of the bottom surface, and a plurality of spring upper sleeve grooves 512 are provided on the bottom surface of the upper cover 51 in an annular array, and a through opening 513 is provided on one side of the upper cover 51, the pressure plate 52 comprises a pressure plate body 521, and a second sealing gasket 522 is provided on the outer ring of the pressure plate body 521, and a third sealing gasket 523 is provided on the inner ring of the pressure plate body 521, a plurality of spring lower sleeve grooves 524 are provided on the top surface of the pressure plate body 521 in an annular array, a feeding pipe 525 is vertically connected to one side of the top surface of the pressure plate body 521, and the upper end of the feeding pipe 525 passes through the through opening 513, and a cap 526 is provided on the top end of the feeding pipe 525.

[0020] Working principle:

[0021] The installation method is as follows: first, the outer ring 1, the inner ring 2, the ball 3 and the retainer 6 are assembled in an existing manner to form a bearing, and then the lower cover 4 is assembled on the lower end between the outer ring 1 and the inner ring 2 through the cooperation of the first thread and the second thread 42 to seal and abut against each other, and the upper cover assembly 5 is assembled on the upper end between the outer ring 1 and the inner ring 2 through the cooperation of the embedded groove 11 and the vertical clamping edge 511 to seal and abut against each other. It should be noted that the upper cover assembly 5 has an upper cover 51, a pressure plate 52 and multiple springs before assembly. 53 need to be assembled in advance, and then the lubricant is injected into the feeding tube 525 under high pressure. When the lubricant is injected, after the sealed cavity between the pressure plate 52 and the lower cover 4 is filled, when the lubricant is continued to be injected, the pressure plate 52 will be pushed up by the lubricant, so that each spring 53 is in a taut state, and the feeding tube 525 will float up, so that it can be judged that the lubricant has been added. Finally, the cap 526 is installed on the upper end of the feeding tube 525 to complete the filling of the bearing lubricant.

[0022] In addition, during use, the rotation of the balls 3 and the retaining frame 6 between the outer ring 1 and the inner ring 2 will squeeze and push the lubricant upward, causing the pressure plate 52 to be forced to rise. However, under the action of the tension of each spring 53, the pressure plate 52 always has a downward force, thereby pressing the lubricant downward, so that the lubricant can always be squeezed to the balls 3 and the retaining frame 6 for lubrication.

[0023] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0024] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A lubricating bearing, comprising an outer ring (1) and an inner ring (2), wherein a ball (3) and a retaining frame (6) are sleeved between the outer ring (1) and the inner ring (2), and characterized in that: The lower end of the outer ring (1) is threadedly connected to a lower sealing cover (4), and the inner side of the lower sealing cover (4) is softly abutted against the outer surface of the inner ring (2) for sealing; the upper end of the outer ring (1) is embedded with an upper sealing cover assembly (5), and the inner and outer sides of the lower end of the upper sealing cover assembly (5) are softly abutted against the inner side of the outer ring (1) and the outer side of the inner ring (2) for sealing; The upper sealing cover assembly (5) comprises an upper cover (51), and a plurality of springs (53) are welded to the bottom surface of the upper cover (51) in an annular array, and a pressure plate (52) is welded between the lower ends of the springs (53).

2. A lubricating bearing according to claim 1, characterized in that: The inner side of the top surface of the outer ring (1) is provided with an embedding groove (11) for embedding the upper cover (51), and the inner side of the lower end of the outer ring (1) is provided with a first thread for locking the lower cover (4).

3. A lubricating bearing according to claim 2, characterized in that: The lower cover (4) comprises a lower cover body (41), the outer side surface of the lower cover body (41) is provided with a second thread (42), and a first sealing gasket (43) is rolled inside the lower cover body (41).

4. A lubricating bearing according to claim 3, characterized in that: A vertical clamping edge (511) is provided on the outer peripheral edge of the bottom surface of the upper cover (51), a plurality of spring upper sleeve grooves (512) are provided on the bottom surface of the upper cover (51) in an annular array, and a through opening (513) is provided on one side of the upper cover (51).

5. A lubricating bearing according to claim 4, characterized in that: The pressing plate (52) comprises a pressing plate body (521), and the outer ring of the pressing plate body (521) is provided with a second sealing gasket (522), and the inner ring of the pressing plate body (521) is provided with a third sealing gasket (523), the top surface of the pressing plate body (521) is provided with a plurality of spring lower sleeve grooves (524) in an annular array, and a feeding pipe (525) is vertically connected to one side of the top surface of the pressing plate body (521), and the upper end of the feeding pipe (525) passes through the through port (513), and a cover cap (526) is sleeved on the top end of the feeding pipe (525).

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