Double-row support bearing

Abstract

The utility model provides a double-row support bearing which comprises a double-row bearing outer ring, a double-row bearing inner ring and a plurality of pin rollers, a dustproof ring is arranged at the front end of the double-row bearing inner ring, the dustproof ring is connected with the double-row bearing outer ring through a dismounting assembly, and the dismounting assembly comprises a limiting connecting strip, a fixing column, a clamping column and an opening and closing strip. The fixing column is arranged on the outer ring of the double-row bearing and connected with one end of the limiting connecting strip, a notch is formed in the other end of the limiting connecting strip, the clamping column is arranged on the dustproof ring and connected with the notch of the limiting connecting strip, and the opening and closing strip corresponds to the notch and is connected with the limiting connecting strip. The dustproof ring is connected with the outer ring of the double-row bearing through the dismounting and mounting assembly, the dismounting and mounting assembly comprises the limiting connecting strips, the fixing columns, the clamping columns and the opening and closing strips, a good dismounting and mounting effect is achieved, the dustproof ring can be better taken down conveniently, the number of the limiting connecting strips is two, the included angle between the two limiting connecting strips is 90 degrees, and the limiting effect on the dustproof ring is improved.

Description

Technical Field

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

[0002] Double-row ball bearings usually include double-row angular contact ball bearings and double-row deep groove ball bearings; they can bear radial loads and axial loads at the same time. In addition to bearing radial loads, double-row deep groove ball bearings can also bear axial loads acting in two directions; double-row angular contact ball bearings can bear radial loads and axial loads acting in two directions.

[0003] The dust ring on the front end surface of the double-row bearing in the prior art is installed in a snap-in manner, which requires the use of tools to pry it open, and is easily damaged during the prying process. Therefore, we design a double-row support bearing. Summary of the invention

[0004] The purpose of the utility model is to provide a double-row support bearing to solve the problems raised in the above background technology.

[0005] The purpose of the utility model can be achieved through the following technical solutions: a double-row support bearing, comprising a double-row bearing outer ring, a double-row bearing inner ring, and multiple rollers, the double-row bearing outer ring is assembled with the double-row bearing inner ring and the rolling groove of the double-row bearing outer ring is used for the installation of multiple rollers, the multiple rollers are connected to the rolling groove of the double-row bearing inner ring so that the double-row bearing inner ring can rotate relative to the double-row bearing outer ring, a dust ring is provided at the front end of the double-row bearing inner ring, the dust ring is connected to the double-row bearing outer ring through a disassembly and assembly component, the disassembly and assembly component comprises a limiting connecting strip, a fixing column, a clamping column and an opening and closing strip, the fixing column is arranged on the double-row bearing outer ring and is connected to one end of the limiting connecting strip, the other end of the limiting connecting strip is provided with a notch, the clamping column is arranged on the dust ring and is connected to the notch of the limiting connecting strip, the opening and closing strip corresponds to the notch and is connected to the limiting connecting strip.

[0006] In the above-mentioned double-row support bearing, a hollow positioning block is arranged at the top end of the outer ring of the double-row bearing, and an aluminum pressure plate strip is arranged at the top end of the hollow positioning block.

[0007] In the above-mentioned double-row support bearing, a guide portion is provided at the annular groove of the outer ring of the double-row bearing, one end of the guide portion extends to the inner side of the outer ring of the double-row bearing and the other end of the guide portion is provided with an oblique pipeline, and the oblique pipeline corresponds to the hollow cavity of the hollow positioning block.

[0008] In the above-mentioned double-row support bearing, the angle between the center line of the oblique pipeline and the center axis of the outer ring of the double-row bearing is 35°.

[0009] In the above-mentioned double-row support bearing, the number of the limiting connecting strips is two and the angle between the two limiting connecting strips is 90°.

[0010] Compared with the prior art, the advantages of the double-row support bearing of the utility model are as follows: the dust ring is connected to the outer ring of the double-row bearing through a disassembly and assembly component, the disassembly and assembly component includes a limit connecting strip, a fixed column, a clamping column and an opening and closing strip, which has a good disassembly and assembly effect, and is convenient for removing the dust ring. The number of the limit connecting strips is two and the angle between the two limit connecting strips is 90°, which increases the limiting effect on the dust ring; by arranging a hollow positioning block, an aluminum pressure plate strip, an oblique pipeline, and a guide part, it has a good positioning and installation effect, and at the same time the hollow positioning block can store lubricating oil, which is convenient for lubrication. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a three-dimensional structural schematic diagram of the double-row support bearing of the utility model.

[0012] Figure 2 It is a structural schematic diagram of a double-row support bearing disassembly and assembly assembly of the utility model.

[0013] In the figure, 1. double-row bearing outer ring; 2. double-row bearing inner ring; 3. dust ring; 4. limit connecting strip; 5. fixing column; 6. hollow positioning block; 7. aluminum pressure strip; 8. oblique pipeline; 9. guide part; 10. roller; 11. notch; 12. clamping column; 13. opening and closing strip. DETAILED DESCRIPTION

[0014] 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.

[0015] like Figure 1 , Figure 2 As shown, the utility model double-row support bearing;

[0016] Embodiment: It includes a double-row bearing outer ring 1, a double-row bearing inner ring 2, and multiple rollers 10. The double-row bearing outer ring 1 is assembled with the double-row bearing inner ring 2 and the rolling groove of the double-row bearing outer ring 1 is used for installing multiple rollers 10. The multiple rollers 10 are connected to the rolling groove of the double-row bearing inner ring 2 so that the double-row bearing inner ring 2 can rotate relative to the double-row bearing outer ring 1. A dust ring 3 is provided at the front end of the double-row bearing inner ring 2. The dust ring 3 is connected to the double-row bearing outer ring 1 through a disassembly and assembly component. The disassembly and assembly component includes a limiting strip 4, a fixing column 5, a clamping column 12 and an opening and closing strip 13. The fixing column 5 is arranged on the double-row bearing outer ring 1 and is connected to one end of the limiting strip 4. The other end of the limiting strip 4 is provided with a notch 11. The clamping column 12 is arranged on the dust ring 3 and is connected to the notch 11 of the limiting strip 4. The opening and closing strip 13 corresponds to the notch 11 and is connected to the limiting strip 4.

[0017] In this embodiment, in order to better facilitate the positioning of the double-row bearing outer ring 1, a hollow positioning block 6 is provided at the top of the double-row bearing outer ring 1, and an aluminum pressure plate strip 7 is provided at the top of the hollow positioning block 6.

[0018] In this embodiment, in order to facilitate the storage of lubricating oil and realize the lubrication of the double-row bearing outer ring 1 and the double-row bearing inner ring 2, a guide portion 9 is provided at the annular groove of the double-row bearing outer ring 1, one end of the guide portion 9 extends to the inner side of the double-row bearing outer ring 1 and the other end of the guide portion 9 is provided with an oblique pipeline 8, and the oblique pipeline 8 corresponds to the hollow cavity of the hollow positioning block 6; the angle between the center line of the oblique pipeline 8 and the central axis of the double-row bearing outer ring 1 is 35°.

[0019] In this embodiment, in order to increase the firmness of the limiting, the number of the limiting connecting strips 4 is two and the angle between the two limiting connecting strips 4 is 90°.

[0020] Working principle: The bearing is composed of a double-row bearing outer ring 1, a double-row bearing inner ring 2, and a plurality of rollers 10 in the prior art. The double-row bearing outer ring 1 is assembled with the double-row bearing inner ring 2, and the rolling groove of the double-row bearing outer ring 1 is used for the plurality of rollers 10, so that the double-row bearing inner ring 2 rotates relative to the double-row bearing outer ring 1;

[0021] A dust ring 3 is arranged at the front end of the double-row bearing inner ring 2, and the dust ring 3 is connected to the double-row bearing outer ring 1 through a disassembly and assembly component; the disassembly and assembly component includes the following structures: a limiting connecting strip 4, a fixing column 5, a clamping column 12 and an opening and closing strip 13, the fixing column 5 is arranged on the double-row bearing outer ring 1 and is connected to one end of the limiting connecting strip 4, a notch 11 is opened at the other end of the limiting connecting strip 4, the clamping column 12 is arranged on the dust ring 3 and is connected to the notch 11 of the limiting connecting strip 4, the opening and closing strip 13 corresponds to the notch 11 and is connected to the limiting connecting strip 4, which has a good disassembly and assembly effect and is convenient for removing the dust ring 3.

[0022] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The specific embodiments described in this article are only used to illustrate the spirit of the utility model. The technicians in the technical field of the utility model can make various modifications or supplements to the specific embodiments described or replace them in a similar way, but they will not deviate from the spirit of the utility model or exceed the scope defined by the attached claims.

Claims

1. A double-row support bearing, comprising a double-row bearing outer ring (1), a double-row bearing inner ring (2), and a plurality of rollers (10), wherein the double-row bearing outer ring (1) is assembled with the double-row bearing inner ring (2), and the rolling groove of the double-row bearing outer ring (1) is used for installing the plurality of rollers (10), and the plurality of rollers (10) are connected with the rolling groove of the double-row bearing inner ring (2) so that the double-row bearing inner ring (2) rotates relative to the double-row bearing outer ring (1), characterized in that: A dustproof ring (3) is arranged at the front end of the double-row bearing inner ring (2), and the dustproof ring (3) is connected to the double-row bearing outer ring (1) through a disassembly assembly component, and the disassembly assembly component comprises a limit connecting strip (4), a fixing column (5), a clamping column (12) and an opening and closing strip (13), wherein the fixing column (5) is arranged on the double-row bearing outer ring (1) and is connected to one end of the limit connecting strip (4), and a notch (11) is provided at the other end of the limit connecting strip (4), the clamping column (12) is arranged on the dustproof ring (3) and is connected to the notch (11) of the limit connecting strip (4), and the opening and closing strip (13) corresponds to the notch (11) and is connected to the limit connecting strip (4).

2. The double-row support bearing according to claim 1, characterized in that: A hollow positioning block (6) is arranged at the top end of the double-row bearing outer ring (1), and an aluminum pressure plate strip (7) is arranged at the top end of the hollow positioning block (6).

3. The double row support bearing according to claim 2, characterized in that: A guide portion (9) is provided at the annular groove of the double-row bearing outer ring (1), one end of the guide portion (9) extends to the inner side of the double-row bearing outer ring (1) and an oblique pipeline (8) is provided at the other end of the guide portion (9), and the oblique pipeline (8) corresponds to the hollow cavity of the hollow positioning block (6).

4. The double-row support bearing according to claim 3, characterized in that: The angle between the center line of the oblique pipeline (8) and the center axis of the double-row bearing outer ring (1) is 35°.

5. The double row support bearing according to claim 1, characterized in that: The number of the limiting connecting strips (4) is two and the angle between the two limiting connecting strips (4) is 90°.

Images