Deep groove ball bearing stable in operation

Abstract

The utility model discloses a deep groove ball bearing stable in operation, which comprises an outer ring, an inner ring and balls, the outer surface wall of the outer ring is fixedly connected with a lapping ring through a fastening rod, and the lapping ring and the outer ring form a U-shaped ring with a U-shaped cross section. According to the device, the limiting plate is pulled through the protruding block to be combined into the sleeve base, after the fastening rod is rotated to complete fixation of the lapping ring and the outer ring, the protruding block is released, and the limiting plate can be attached to the head of the fastening rod under the action of the spring, so that installation and separation of the fastening rod are not affected; the fastening rods are prevented from loosening by limiting the horizontal positions of the fastening rods, landing edges are arranged at the bottom of the vertical end of the outer ring and the bottom of the vertical end of the landing ring, and matching edges matched with the two landing edges in a spaced mode are arranged on the two sides of the inner ring, so that friction between the landing edges and the matching edges is avoided, and meanwhile the service life of the fastening rods is prolonged. Impurities can be effectively prevented from invading between the outer ring and the inner ring through the generated lengthy channel.

Description

Technical Field

[0001] The utility model relates to the technical field of deep groove ball bearings, in particular to a deep groove ball bearing with stable operation. Background Art

[0002] Deep groove ball bearings are suitable for high or even extremely high speed operation, and are very durable and do not require frequent maintenance. This type of bearing has a small friction coefficient, a high limit speed, and a variety of size ranges and forms. It is used in precision instruments, low-noise motors, automobiles, motorcycles, and general machinery.

[0003] Chinese patent publication number CN217401445U, publication time 20220909, discloses a high-load-bearing deep groove ball bearing with stable operation, including an outer ring, a retaining frame, a spherical roller and an inner ring, the outer ring including an outer ring A and an outer ring B, an annular semi-groove A is provided at the inner edge of the bottom surface of the outer ring A, an annular semi-groove B is provided at the notch of the inner edge of the annular semi-groove A, an arcuate annular groove A is provided at the intersection of the annular semi-groove B and the annular semi-groove A, an annular semi-groove C is provided at the inner edge of the bottom surface of the outer ring B, and an arcuate annular groove B is provided at the notch of the annular semi-groove C.

[0004] Existing deep groove ball bearings such as the above-mentioned ones shorten the spacing between spherical rings used to restrict spherical rollers by setting the outer ring as a detachable structure, thereby increasing the number of spherical rollers between the inner and outer rings to improve the bearing capacity, increasing the sealing effect between the inner and outer rings and enhancing lubrication. In the specific implementation process, the outer ring and the outer ring are fixed by long bolts. After the bearing is put into use, inevitable vibration will cause the long bolts to loosen, affecting the stability of the deep groove ball bearing. Therefore, it is urgent to propose a corresponding deep groove ball bearing to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to solve the above problems and to provide a deep groove ball bearing with stable operation.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A deep groove ball bearing with stable operation comprises an outer ring, an inner ring and a ball, the outer wall of the outer ring is fixedly connected with a collar through a fastening rod, and the collar and the outer ring form a U-shaped ring with a U-shaped cross-section, the ball is snap-connected between the U-shaped ring and the inner ring, and a retaining frame is integrated on the outer wall of the ball, the outer wall of the vertical end of the collar is fixedly connected with a sleeve, and a limiting component for limiting the loosening of the fastening rod is arranged inside the sleeve.

[0008] Preferably, an insert block is fixedly connected to the outer surface wall of the horizontal end of the loop, and the insert block is inserted into the inner surface wall of the horizontal end of the outer ring through a coupling groove.

[0009] Preferably, the overlapping ring and the bottom of the outer ring vertical end are both provided with overlapping edges, and the inner ring horizontal end is provided with matching edges on both sides, and the two groups of matching edges are matched with the spacing of the two groups of overlapping edges respectively.

[0010] Preferably, the limiting assembly includes a limiting plate slidably connected to the inner wall of the sleeve, a spring is fixedly connected between the bottom of the limiting plate and the inner wall of the bottom of the sleeve, and the limiting plate abuts against the outer wall of the fastening rod.

[0011] Preferably, a protrusion is fixedly connected to the outer wall of the limiting plate, and the outer wall of the protrusion is slidably connected to the inner wall of the sleeve through a vertical groove.

[0012] Preferably, the sleeve and the mounting ring are integrally formed, and the cross section of the limiting plate is a rectangular structure.

[0013] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0014] 1. In the present application, a limit assembly is added on the basis of retaining the outer ring and the overlap ring being fixed by the fastening rod. In actual operation, the limit plate is first pulled by the protrusion to combine it into the inside of the sleeve, and the fastening rod is rotated to complete the fixation of the overlap ring and the outer ring. Then, the protrusion is released, and the limit plate will fit with the head of the fastening rod under the action of the spring, so as not to affect the installation and separation of the fastening rod, and at the same time, the loosening of the fastening rod is avoided by limiting the horizontal position of the fastening rod. The vertical end of the outer ring and the bottom of the vertical end of the overlap ring are both provided with overlap edges, and the two sides of the inner ring are provided with matching edges matched with the spacing of the two sets of overlap edges, so as to avoid the friction between the overlap edges and the matching edges, and the long channel generated can effectively prevent impurities from invading between the outer ring and the inner ring.

[0015] 2. In the present application, during the process of combining the step ring with the outer ring, the insert block is inserted into the inner part of the outer ring through the combining groove. At this time, the step ring and the screw holes on the outer ring are exactly aligned, so that the subsequent tightening rod operation can be carried out quickly. The step ring can be quickly positioned through the insert block and the combining groove, thereby improving the convenience of using the deep groove ball bearing with stable operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The overall structure schematic diagram provided according to the embodiment of the utility model is shown;

[0017] Figure 2 A schematic diagram of a ring structure provided according to an embodiment of the utility model is shown;

[0018] Figure 3 A schematic diagram of the sleeve structure provided according to an embodiment of the utility model is shown;

[0019] Figure 4A schematic diagram of a spring structure provided according to an embodiment of the utility model is shown.

[0020] Legend:

[0021] 1. Outer ring; 2. Inner ring; 3. Sleeve; 4. Overlap ring; 5. Ball; 6. Overlap edge; 7. Limit plate; 8. Fastening rod; 9. Combination groove; 10. Cage; 11. Matching edge; 12. Protrusion; 13. Vertical groove; 14. Spring; 15. Insert block. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 , the utility model provides a technical solution:

[0024] A deep groove ball bearing with stable operation comprises an outer ring 1, an inner ring 2 and a ball 5, the outer wall of the outer ring 1 is fixedly connected with a collar 4 through a fastening rod 8, and the collar 4 and the outer ring 1 form a U-shaped ring with a U-shaped cross section, the ball 5 is clamped and connected between the U-shaped ring and the inner ring 2, and a retainer 10 is integrated on the outer wall of the ball 5, the outer wall of the vertical end of the collar 4 is fixedly connected with a sleeve 3, and a limiting component for limiting the loosening of the fastening rod 8 is arranged inside the sleeve 3;

[0025] On the basis of retaining the outer ring 1 and the loop 4 being fixed by the fastening rod 8, a limit assembly is additionally provided. In actual operation, the limit plate 7 is first pulled by the protrusion 12 to be combined with the inside of the sleeve 3, and the fastening rod 8 is rotated to complete the fixation of the loop 4 and the outer ring 1, and then the protrusion 12 is released. The limit plate 7 will fit with the head of the fastening rod 8 under the action of the spring 14, so as not to affect the installation and separation of the fastening rod 8, and at the same time, the loosening of the fastening rod 8 is avoided by limiting the horizontal position of the fastening rod 8, and the vertical end of the outer ring 1 and the bottom of the vertical end of the loop 4 are both provided with overlap edges 6, and the two sides of the inner ring 2 are provided with matching edges 11 with the spacing of the two groups of overlap edges 6, so as to avoid the friction between the overlap edges 6 and the matching edges 11, and at the same time, the long channel generated can effectively prevent impurities from invading between the outer ring 1 and the inner ring 2.

[0026] Specifically, Figure 2 and Figure 4As shown, the outer wall of the horizontal end of the collar 4 is fixedly connected with an insert block 15, and the insert block 15 is inserted into the inner wall of the horizontal end of the outer ring 1 through the coupling groove 9. In the process of combining the collar 4 with the outer ring 1, the insert block 15 is inserted into the inner wall of the outer ring 1 through the coupling groove 9. At this time, the collar 4 and the screw holes on the outer ring 1 are just aligned, so that the subsequent operation of the fastening rod 8 can be quickly performed. The collar 4 can be quickly positioned through the insert block 15 and the coupling groove 9, thereby improving the convenience of using the deep groove ball bearing with stable operation. The collar 4 and the bottom of the vertical end of the outer ring 1 are both provided with overlap edges 6, and both sides of the horizontal end of the inner ring 2 are provided with matching edges 11, and the two groups of matching edges 11 are respectively matched with the two groups of overlap edges 6 at a spacing, so as to avoid the friction between the overlap edges 6 and the matching edges 11, and the generated redundant channel can effectively prevent impurities from invading between the outer ring 1 and the inner ring 2.

[0027] Specifically, Figure 2 and Figure 3 As shown, the limiting assembly includes a limiting plate 7 slidably connected to the inner wall of the sleeve 3, a spring 14 is fixedly connected between the bottom of the limiting plate 7 and the inner wall of the bottom of the sleeve 3, the limiting plate 7 abuts against the outer wall of the fastening rod 8, the limiting plate 7 is pulled by the protrusion 12 to be combined into the inside of the sleeve 3, the fastening rod 8 is rotated to complete the fixation of the loop 4 and the outer ring 1, and the protrusion 12 is released. The limiting plate 7 will fit with the head of the fastening rod 8 under the action of the spring 14, so as not to affect the installation and separation of the fastening rod 8, and the loosening of the fastening rod 8 is avoided by limiting the horizontal position of the fastening rod 8. The outer wall of the limiting plate 7 is fixedly connected with the protrusion 12, and the outer wall of the protrusion 12 is slidably connected to the inner wall of the sleeve 3 through the vertical groove 13. The sleeve 3 and the loop 4 are integrally formed, so as to ensure the structural strength between the sleeve 3 and the loop 4, and the cross-section of the limiting plate 7 is a rectangular structure.

[0028] Working principle: On the basis of retaining the outer ring 1 and the loop 4 being fixed by the fastening rod 8, a limit assembly is added. In actual operation, the limit plate 7 is first pulled by the protrusion 12 to be combined with the inside of the sleeve 3, and the fastening rod 8 is rotated to complete the fixation of the loop 4 and the outer ring 1. After that, the protrusion 12 is released, and the limit plate 7 will fit with the head of the fastening rod 8 under the action of the spring 14, so as not to affect the installation and separation of the fastening rod 8. At the same time, the fastening rod 8 is prevented from loosening by limiting the horizontal position of the fastening rod 8, and the vertical end of the outer ring 1 and the bottom of the vertical end of the loop 4 are both provided with a overlap 6, and On both sides of the inner ring 2, there are mating edges 11 that match the spacing of the two sets of overlap edges 6, so as to avoid the friction between the overlap edges 6 and the mating edges 11. At the same time, the long channel generated can effectively prevent impurities from invading between the outer ring 1 and the inner ring 2. When the overlap ring 4 is combined with the outer ring 1, the plug block 15 is inserted into the inner part of the outer ring 1 through the coupling groove 9. At this time, the overlap ring 4 is exactly aligned with the screw holes on the outer ring 1, so that the subsequent tightening rod 8 can be quickly operated. The overlap ring 4 can be quickly positioned through the plug block 15 and the coupling groove 9, thereby improving the convenience of using the deep groove ball bearing with stable operation.

[0029] The above description of the embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A deep groove ball bearing with stable operation, comprising an outer ring (1), an inner ring (2) and balls (5), characterized in that: The outer wall of the outer ring (1) is fixedly connected to a collar (4) via a fastening rod (8), and the collar (4) and the outer ring (1) form a U-shaped ring with a U-shaped cross-section. The ball (5) is snap-connected between the U-shaped ring and the inner ring (2), and a retaining frame (10) is integrated on the outer wall of the ball (5). The outer wall of the vertical end of the collar (4) is fixedly connected to a sleeve (3), and a limiting component for limiting the loosening of the fastening rod (8) is arranged inside the sleeve (3).

2. A deep groove ball bearing with stable operation according to claim 1, characterized in that: An insert block (15) is fixedly connected to the outer surface wall of the horizontal end of the mounting ring (4), and the insert block (15) is inserted into the inner surface wall of the horizontal end of the outer ring (1) through a coupling groove (9).

3. A deep groove ball bearing with stable operation according to claim 2, characterized in that: The bottom of the vertical ends of the overlapping ring (4) and the outer ring (1) are both provided with overlapping edges (6), and the two sides of the horizontal end of the inner ring (2) are both provided with matching edges (11), and the two groups of matching edges (11) are respectively matched with the spacing of the two groups of overlapping edges (6).

4. A deep groove ball bearing with stable operation according to claim 3, characterized in that: The limiting assembly comprises a limiting plate (7) slidably connected to the inner wall of the sleeve (3), a spring (14) fixedly connected between the bottom of the limiting plate (7) and the inner wall of the bottom of the sleeve (3), and the limiting plate (7) abuts against the outer wall of the fastening rod (8).

5. A deep groove ball bearing with stable operation according to claim 4, characterized in that: The outer wall of the limiting plate (7) is fixedly connected with a protrusion (12), and the outer wall of the protrusion (12) is slidably connected to the inner wall of the sleeve (3) through a vertical groove (13).

6. A deep groove ball bearing with stable operation according to claim 5, characterized in that: The sleeve (3) and the mounting ring (4) are integrally formed, and the cross section of the limiting plate (7) is a rectangular structure.

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