A deep groove ball bearing assembly

Abstract

The utility model provides a deep groove ball bearing assembly, which belongs to the field of bearing technology. It solves the problem of inconvenient assembly of existing bearings. The deep groove ball bearing assembly includes a bearing body and a bearing seat for mounting the bearing body, and an assembly groove is provided on the bearing seat. The bearing body is composed of an outer ring, an inner ring, a retaining frame and a rolling body. The bearing seat is composed of a base, a splicing shell one and a splicing shell two. The splicing shell one is arranged on the base and connected thereto, and the splicing shell two is arranged on the splicing shell one and is detachably connected to the splicing shell one through a connecting unit. The splicing shell two is provided with a lubrication unit connected thereto and convenient for lubricating the bearing body. The utility model has the advantage of being easy to assemble.

Description

Technical Field

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

[0002] Bearings are an important component in modern mechanical equipment. Their main function is to support mechanical rotating bodies, reduce the friction coefficient during their movement, and ensure their rotation accuracy. Bearings are generally composed of four parts: outer ring, inner ring, rolling element, and cage. Some bearings need to be used with bearing seats when in use, but in the actual assembly process, it is easy to cause assembly wear, thus affecting the subsequent use effect. At the same time, it is inconvenient to lubricate them later, which is easy to cause rolling element wear and affect the subsequent service life. Summary of the invention

[0003] The utility model aims to solve the above problems existing in the prior art and provide a deep groove ball bearing assembly which is easy to assemble and reduces wear.

[0004] The purpose of the utility model can be achieved through the following technical solutions: a deep groove ball bearing assembly, including a bearing body and a bearing seat for mounting the bearing body, and an assembly groove is provided on the bearing seat, the bearing body is composed of an outer ring, an inner ring, a retaining frame and a rolling body, and is characterized in that the bearing seat is composed of a base, a splicing shell one and a splicing shell two, the splicing shell one is arranged on the base and connected thereto, the splicing shell two is arranged on the splicing shell one, and is detachably connected to the splicing shell one through a connecting unit, and the splicing shell two is provided with a lubrication unit connected thereto and convenient for lubricating the bearing body.

[0005] In the above-mentioned deep groove ball bearing assembly, the connecting unit is composed of two connecting columns and two locking caps. The two connecting columns are provided with connecting threads on the outer peripheral walls at the two ends. The outer peripheral walls of the splicing shell one and the splicing shell two are provided with two extension parts connected to them and for the installation of the corresponding connecting columns. The two locking caps are arranged on the upper ends of the corresponding connecting columns and are connected with their threads, and are in conflict with the splicing shell two through the connecting column.

[0006] In the above-mentioned deep groove ball bearing assembly, the lubrication unit is composed of an outer joint and an inner joint, the outer joint is arranged on the splicing shell two and connected thereto, and the outer joint is hollow, and a connecting hole for connecting the outer joint with the assembly groove is provided on the outer peripheral wall of the splicing shell two at the outer joint, and the inner joint and the outer joint are coaxially arranged, and a connecting hole is also provided on the outer peripheral wall of the outer ring at the inner joint, and the outer peripheral wall of the inner joint is slidably fitted with the inner wall of the connecting hole in the splicing shell two, and a sealing cover connected thereto is provided on the outer end of the outer joint.

[0007] In the above-mentioned deep groove ball bearing assembly, the bearing seat is provided with an assembly unit connected to it at the assembly groove, for the bearing body to be installed, and leaving a distance between the outer circumferential wall of the bearing body and the inner circumferential wall of the bearing seat. The assembly unit is composed of two assembly sets, and the outer ends of the two assembly sets are provided with limit rings that protrude radially outward and prevent the assembly sets from being assembled too deep, and the inner ends of the two assembly sets are provided with annular grooves for the outer ring of the bearing body to be embedded and installed.

[0008] In the above-mentioned deep groove ball bearing assembly, a connecting ring is sleeved on the outer end of the assembly sleeve, and the connecting ring is in conflict with the bearing seat through a limiting ring on the assembly sleeve, and the outer diameter of the connecting ring is larger than the outer diameter of the limiting ring. The connecting ring can be connected to the bearing seat through a plurality of studs.

[0009] In the above-mentioned deep groove ball bearing assembly, a weight-reducing hole is provided on the base.

[0010] Compared with the prior art, the deep groove ball bearing assembly has the following advantages:

[0011] 1. The bearing seat is composed of a base, a splicing shell 1 and a splicing shell 2. The splicing shell 1 is arranged on the base and connected to it, the splicing shell 2 is arranged on the splicing shell 1, and is detachably connected to the splicing shell 1 through a connecting unit. The splicing shell 2 is provided with a lubrication unit connected to it and convenient for lubricating the bearing body. The arrangement of the above structure is convenient for its assembly and can also lubricate the inside of the bearing body. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the three-dimensional structure of the deep groove ball bearing assembly.

[0013] Figure 2 It is a schematic cross-sectional view of the longitudinal section of the deep groove ball bearing assembly.

[0014] Figure 3 It is a schematic sectional view of a cross section in the deep groove ball bearing assembly.

[0015] In the figure, 1. bearing body; 2. base; 3. splicing shell 1; 4. splicing shell 2; 5. connecting column; 6. locking cap; 7. extension part; 8. external joint; 9. internal joint; 10. sealing cover; 11. assembly set; 12. limiting ring; 13. connecting ring. DETAILED DESCRIPTION

[0016] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0017] like Figure 1, Figure 2 , Figure 3 As shown, the deep groove ball bearing assembly includes a bearing body 1 and a bearing seat for installing the bearing body 1, and an assembly groove is provided on the bearing seat. The bearing body 1 is composed of an outer ring, an inner ring, a retaining frame and a rolling element. The bearing seat is composed of a base 2, a splicing shell 1 3 and a splicing shell 2 4. The splicing shell 1 3 is arranged on the base 2 and connected thereto. The splicing shell 2 4 is arranged on the splicing shell 1 3 and is detachably connected to the splicing shell 1 3 through a connecting unit. The splicing shell 2 4 is provided with a lubrication unit connected thereto and convenient for lubricating the bearing body 1. The connecting unit is composed of two connecting columns 5 and two locking caps 6. The two connecting columns 5 are provided with connecting threads on the outer peripheral walls at the two ends. The outer peripheral walls of the splicing shell 1 3 and the splicing shell 2 4 are both provided with two extensions 7 connected thereto and for installing the corresponding connecting columns 5. A threaded hole is provided on the extension 7 in the splicing shell 1 3, and a through hole is provided on the extension 7 in the splicing shell 2 4. , the two locking caps 6 are arranged on the upper ends of the corresponding connecting columns 5 and are threadedly connected thereto, and are in conflict with the splicing shell 2 4 through the connecting column 5. The lubrication unit is composed of an external joint 8 and an internal joint 9. The external joint 8 is arranged on the splicing shell 2 4 and is connected thereto, and the external joint 8 is hollow. A connecting hole that connects the external joint 8 with the assembly groove is provided on the outer peripheral wall of the splicing shell 2 4 located at the external joint 8. The internal joint 9 is arranged on the outer ring in the bearing, and the internal joint 9 and the external joint 8 are coaxially arranged. A connecting hole is also provided on the outer peripheral wall of the outer ring located at the internal joint 9, and the outer peripheral wall of the internal joint 9 is slidably fitted with the inner wall of the connecting hole in the splicing shell 2 4. A sealing ring can be arranged between the internal joint 9 and the splicing shell 2 4, and the lubricating oil can enter the bearing body 1 from the internal joint 9 through the connecting hole. A sealing cover 10 connected thereto is provided on the outer end of the external joint 8. Of course, a one-way valve structure can also be provided to ensure sealing and facilitate the injection of lubricating oil.

[0018] To elaborate further, in order to better assemble and ensure the assembly strength, the bearing seat is provided with an assembly unit connected to it at the assembly groove, for the bearing body 1 to be installed, and leaving a distance between the outer circumferential wall of the bearing body 1 and the inner circumferential wall of the bearing seat, the assembly unit is composed of two assembly sleeves 11, the outer ends of the two assembly sleeves 11 are provided with limit rings that protrude radially outward and prevent the assembly sleeves 11 from being assembled too deeply, the inner ends of the two assembly sleeves 11 are provided with an annular groove for the outer ring of the bearing body 1 to be embedded and installed, the inner diameter of the inner circumferential wall of the inner ring of the bearing body 1 is not less than the inner diameter of the assembly sleeve 11, and a sealing ring gasket can be provided at the annular groove of the assembly sleeve 11.

[0019] As a preferred structure, a connecting ring is sleeved on the outer end of the assembly sleeve 11, and the connecting ring is in conflict with the bearing seat through a limiting ring on the assembly sleeve 11, and the outer diameter of the connecting ring is larger than the outer diameter of the limiting ring. The connecting ring can be connected to the bearing seat through a plurality of studs.

[0020] As a preferred structure, a weight-reducing hole is provided on the base 2, and an assembly hole is also provided on the base 2. An oil drain hole can be provided on the lower end surface of the base 2, and the oil drain hole extends into the assembly groove. When the seal fails to prevent the lubricating oil from accumulating in the assembly groove, the oil can be discharged outward through the oil drain hole.

[0021] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0022] Although the term ", " and " are used more frequently in this article, the possibility of using other terms is not excluded. These terms are used only to more conveniently describe and explain the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. A deep groove ball bearing assembly, comprising a bearing body (1) and a bearing seat for mounting the bearing body (1), wherein the bearing seat is provided with an assembly groove, the bearing body (1) comprising an outer ring, an inner ring, a retaining frame and rolling elements, characterized in that: The bearing seat is composed of a base (2), a splicing shell one (3) and a splicing shell two (4); the splicing shell one (3) is arranged on the base (2) and connected thereto; the splicing shell two (4) is arranged on the splicing shell one (3) and is detachably connected to the splicing shell one (3) via a connecting unit; and the splicing shell two (4) is provided with a lubrication unit connected thereto and convenient for lubricating the bearing body (1).

2. A deep groove ball bearing assembly according to claim 1, characterized in that: The connection unit is composed of two connection columns (5) and two locking caps (6). The two connection columns (5) are provided with connection threads on the outer peripheral walls at the two ends. The outer peripheral walls of the splicing shell 1 (3) and the splicing shell 2 (4) are provided with two extension parts (7) connected thereto and for mounting the corresponding connection columns (5). The two locking caps (6) are arranged on the upper ends of the corresponding connection columns (5) and are connected thereto by threaded engagement, and are in conflict with the splicing shell 2 (4) through the connection columns (5).

3. A deep groove ball bearing assembly according to claim 1, characterized in that: The lubrication unit is composed of an external joint (8) and an internal joint (9). The external joint (8) is arranged on the second splicing shell (4) and connected thereto, and the external joint (8) is hollow. A connecting hole is provided on the outer peripheral wall of the second splicing shell (4) at the external joint (8) so as to connect the external joint (8) with the assembly groove. The internal joint (9) is arranged on the outer ring of the bearing, and the internal joint (9) and the external joint (8) are coaxially arranged. A connecting hole is also provided on the outer peripheral wall of the outer ring at the internal joint (9), and the outer peripheral wall of the internal joint (9) is slidably fitted with the inner wall of the connecting hole in the second splicing shell (4). A sealing cover (10) connected thereto is provided on the outer end of the external joint (8).

4. A deep groove ball bearing assembly according to claim 1, characterized in that: The bearing seat is provided with an assembly unit connected to the assembly groove and for mounting the bearing body (1), and leaving a spacing between the outer peripheral wall of the bearing body (1) and the inner peripheral wall of the bearing seat. The assembly unit is composed of two assembly sleeves (11). The outer ends of the two assembly sleeves (11) are provided with a limit ring (12) which protrudes radially outward and prevents the assembly sleeve (11) from being assembled too deep. The inner ends of the two assembly sleeves (11) are provided with an annular groove for embedding and mounting the outer ring of the bearing body (1).

5. A deep groove ball bearing assembly according to claim 4, characterized in that: A connecting ring (13) is sleeved on the outer end of the assembly sleeve (11). The connecting ring (13) contacts the bearing seat through a limiting ring (12) on the assembly sleeve (11). The outer diameter of the connecting ring (13) is larger than the outer diameter of the limiting ring (12). The connecting ring (13) can be connected to the bearing seat through a plurality of studs.

6. A deep groove ball bearing assembly according to claim 1, characterized in that: The base (2) is provided with a weight-reducing hole.

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