Bearing easy to disassemble

Abstract

The utility model relates to a bearing easy to disassemble, a rolling assembly used for rotating is arranged on the outer side of an inner ring assembly, an outer ring assembly used for being matched with the inner ring assembly to assist the rolling assembly in rotating is arranged on the outer side of the rolling assembly, a first locking assembly used for being inserted into the outer ring assembly is arranged in a sealing plate, and a second locking assembly used for being inserted into the outer ring assembly is arranged in the sealing plate. A second locking assembly used for being inserted into the inner ring assembly is arranged in the sealing plate. When the inner ring is in interference fit, the second bolt and the third bolt can be unscrewed and taken down from the first operation plate and the second operation plate respectively, the first operation plate and the second operation plate are driven to move, the first locking rod can be moved out of the second groove, meanwhile, the second locking rod can be moved out of the second groove, and the sealing plate between the inner ring and the outer ring can be moved out. A special puller is clamped in the inner groove I of the inner ring for pulling; and when the outer ring is in interference fit, a special puller is clamped in the inner groove II of the outer ring for pulling, so that the balls between the inner ring and the outer ring can be quickly disassembled and maintained easily.

Description

Technical Field

[0001] The utility model relates to the technical field of bearings, in particular to an easily disassembled bearing. Background Art

[0002] Bearings are a common part in machinery. Bearings are an important component in modern mechanical equipment, especially used in anti-slip elevator handrails. However, during the maintenance of existing bearings, the interior of the bearings is difficult to disassemble. For example, as shown in a cylindrical roller bearing with Chinese patent application number CN202223439460.3, the cylindrical roller is rotatably arranged between the outer ring of the bearing and the inner ring of the bearing, the self-aligning outer ring is coaxially sleeved on the outer ring of the bearing, the outer peripheral surface of the outer ring of the bearing is an outer convex spherical surface, and the inner peripheral surface of the self-aligning outer ring is provided with an inner concave spherical surface that matches the outer convex spherical surface on the outer ring of the bearing, and a flange is provided at one end of the self-aligning outer ring.

[0003] However, when the bearing is assembled and used, the inner and outer rings of the bearing adopt an interference fit, and the disassembly process of the bearing is not only time-consuming and labor-intensive, but also inconvenient. In addition, the balls of the inner and outer rings of the bearing are exposed to the outside, and dust may enter the bearing and cause the bearing to become stuck. Utility Model Content

[0004] In order to solve the problem raised in the above background technology that the inner and outer rings of the bearing adopt an interference fit, which makes the disassembly of the bearing not only time-consuming and labor-intensive, but also inconvenient, and the balls of the inner and outer rings of the bearing are exposed to the outside, which may cause dust to enter the bearing and cause the bearing to become stuck, the utility model provides the following technical solutions:

[0005] The invention relates to an easily disassembled bearing, which is packaged with a bearing body mounted on an elevator handrail. The left and right ends of the bearing body are provided with sealing devices for preventing the bearing body from dust.

[0006] The bearing body includes an inner ring assembly mounted on the elevator handrail, a rolling assembly for rotation is provided on the outer side of the inner ring assembly, and an outer ring assembly for cooperating with the inner ring assembly to assist the rolling assembly in rotating is provided on the outer side of the rolling assembly.

[0007] The inner ring assembly comprises an inner ring mounted on the elevator handrail, and a groove 1 for disassembling the inner ring assembly and the outer ring assembly is provided on the ring body of the inner ring.

[0008] The outer ring assembly includes an outer ring arranged outside the inner ring, and a second groove for disassembling the inner ring assembly and the outer ring assembly is opened on the inner side of the outer ring.

[0009] The sealing device includes a sealing plate arranged between the inner ring assembly and the outer ring assembly for dust-proof sealing of the bearing body, a locking assembly 1 for inserting into the outer ring assembly is arranged in the sealing plate, and a locking assembly 2 for inserting into the inner ring assembly is arranged in the sealing plate.

[0010] Furthermore, a locking groove 1 is provided on the ring body of the inner ring for cooperating with the locking assembly 2 to fix the sealing plate, and there are several locking grooves 1, which are distributed in a circular array on the ring body of the inner ring.

[0011] Furthermore, a locking groove 2 is provided on the inner side of the outer ring for cooperating with the locking assembly 1 to fix the sealing plate, and there are a plurality of locking grooves 2, which are distributed in a circular array on the ring body of the outer ring.

[0012] Furthermore, the rolling assembly includes balls arranged between the inner ring and the outer ring for rotation, and there are several balls. A fixing bar for fixing the several balls is arranged between the several balls, and there are two fixing bars. A bolt for locking the fixing bar is arranged between the two fixing bars.

[0013] Furthermore, the locking assembly includes a locking rod inserted into a groove 2 for fixing the sealing plate, a connecting rod is fixedly installed on the end of the locking rod away from the sealing plate, an operating plate for driving the locking rod to move is fixedly installed on the end of the connecting rod away from the locking rod, and a bolt 2 for locking the operating plate is provided on the plate body of the operating plate.

[0014] Furthermore, the locking assembly 2 includes a locking rod 2 inserted into the groove 1 for fixing the sealing plate, a connecting rod 2 is fixedly installed on the end of the locking rod 2 away from the sealing plate, an operating plate 2 is fixedly installed on the end of the connecting rod 2 away from the locking rod 2 for driving the locking rod 2 to move, and a bolt 3 for locking the operating plate 2 is provided on the plate body of the operating plate 2.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] By arranging the inner ring, outer ring and sealing device, when the bearing body needs to be disassembled, bolt two and bolt three can be loosened and removed from the operating plate one and the operating plate two respectively. When the operating plate one and the operating plate two are driven to move, the locking rod one can be moved out of the groove two. At the same time, the locking rod two can also be moved out of the groove two, so that the sealing plate between the inner ring and the outer ring can be removed. When the inner ring has an interference fit, a special puller is used to be clamped in the inner groove one of the inner ring for pulling; and when the outer ring has an interference fit, a special puller is used to be clamped in the inner groove two of the outer ring for pulling. Therefore, the ball between the inner ring and the outer ring can be quickly disassembled and repaired very easily. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the bearing body structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the inner ring assembly of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the outer ring assembly of the utility model;

[0021] Figure 5 This is a schematic diagram of the sealing device structure of the utility model;

[0022] Figure 6 This is a schematic structural diagram of the locking assembly 1 and the locking assembly 2 of the utility model;

[0023] Figure 7 For this utility model Figure 6 Cross-sectional view at point A in the middle.

[0024] In the accompanying drawings, the names of the components represented by the reference numerals are listed as follows:

[0025] 100-bearing body, 110-inner ring assembly, 111-inner ring, 112-groove 1, 113-locking groove 1, 120-rolling assembly, 121-fixing bar, 122-ball, 123-bolt 1, 130-outer ring assembly, 131-outer ring, 132-groove 2, 133-locking groove 2;

[0026] 200-sealing device, 210-sealing plate, 220-locking assembly one, 221-locking rod one, 222-connecting rod one, 223-operating plate one, 224-bolt two, 230-locking assembly two, 231-locking rod two, 232-connecting rod two, 233-operating plate two, 234-bolt three. DETAILED DESCRIPTION

[0027] The following describes in detail the preferred specific implementations of the present invention, and provides a clear and complete description in conjunction with the accompanying drawings.

[0028] See also Figure 1-Figure 7 , the utility model provides an easily disassembled bearing.

[0029] The bearing body 100 is packaged and mounted on the elevator handrail. The left and right ends of the bearing body 100 are provided with sealing devices 200 for preventing the bearing body 100 from dust.

[0030] The bearing body 100 includes an inner ring assembly 110 mounted on the elevator handrail. A rolling assembly 120 for rotation is provided on the outer side of the inner ring assembly 110. An outer ring assembly 130 for cooperating with the inner ring assembly 110 to assist the rolling assembly 120 in rotating is provided on the outer side of the rolling assembly 120.

[0031] The inner ring assembly 110 includes an inner ring 111 mounted on the elevator handrail. A groove 112 for disassembling the inner ring assembly 110 and the outer ring assembly 130 is provided on the ring body of the inner ring 111, and there are four grooves 112. The four grooves 112 are distributed in a circular array on the ring body of the inner ring 111, so that when the bearing body 100 needs to be disassembled, a special puller can be used to clamp in the groove 112 in the inner ring 111 for pulling, so that the bearing body 100 can be quickly disassembled easily; a locking groove 113 for cooperating with the locking assembly 230 to fix the sealing plate 210 is provided on the ring body of the inner ring 111, and there are four locking grooves 113. The four locking grooves 113 are distributed in a circular array on the ring body of the inner ring 111, and the four locking grooves 113 are distributed between two adjacent grooves 112.

[0032] The rolling assembly 120 includes a plurality of balls 122 arranged between the inner ring 111 and the outer ring 131 for rotation, and a fixing bar 121 for fixing the plurality of balls 122 is arranged between the plurality of balls 122, and there are two fixing bars 121, and a bolt 123 for locking the fixing bars 121 is arranged between the two fixing bars 121.

[0033] The outer ring assembly 130 includes an outer ring 131 arranged on the outside of the inner ring 111, and a groove 2 132 for disassembling the inner ring assembly 110 and the outer ring assembly 130 is provided on the inner side of the outer ring 131, and there are four grooves 2 132, which are distributed in a circumferential array on the ring body of the outer ring 131, so that when the bearing body 100 needs to be disassembled, a special puller can be used to clamp in the groove 2 132 in the outer ring 131 for pulling, so that the bearing body 100 can be easily and quickly disassembled; a locking groove 2 133 for cooperating with the locking assembly 1 220 to fix the sealing plate 210 is provided on the inner side of the outer ring 131, and there are four locking grooves 2 133, which are distributed in a circumferential array on the ring body of the outer ring 131, and the four locking grooves 2 133 are enclosed between two adjacent grooves 2 132.

[0034] The sealing device 200 includes a sealing plate 210 arranged between the inner ring assembly 110 and the outer ring assembly 130 for dust-proof sealing of the bearing body 100, and a locking assembly 220 for inserting into the outer ring assembly 130 is arranged in the sealing plate 210, and a locking assembly 2 230 for inserting into the inner ring assembly 110 is arranged in the sealing plate 210.

[0035] The locking assembly 220 includes a locking rod 221 inserted into the groove 132 for fixing the sealing plate 210, a connecting rod 222 is fixedly installed on the end of the locking rod 221 away from the sealing plate 210, and an operating plate 223 for driving the locking rod 221 to move is fixedly installed on the end of the connecting rod 222 away from the locking rod 221, and a bolt 224 for locking the operating plate 223 is provided on the plate body of the operating plate 223.

[0036] The second locking assembly 230 includes a second locking rod 231 inserted into the first groove 112 for fixing the sealing plate 210, a second connecting rod 232 is fixedly installed on the end of the second locking rod 231 away from the sealing plate 210, and a second operating plate 233 for driving the second locking rod 231 to move is fixedly installed on the end of the second connecting rod 232 away from the second locking rod 231. The plate body of the second operating plate 233 is provided with a third bolt 234 for locking the second operating plate 233; so that when the bearing body 100 needs to be disassembled, the second bolt 224 and the third bolt 234 can be loosened from the first operating plate 223 and the second operating plate 233 respectively. Remove it, and by driving the operating plate 1 223 and the operating plate 2 233 to move, the locking rod 1 221 can be moved out of the groove 2 132, and the locking rod 231 can also be moved out of the groove 2 112, so that the sealing plate 210 between the inner ring 111 and the outer ring 131 can be removed. When the inner ring 111 has an interference fit, a special puller is used to be stuck in the groove 112 in the inner ring 111 for pulling; and when the outer ring 131 has an interference fit, a special puller is used to be stuck in the groove 2 132 in the outer ring 131 for pulling, so that the ball 122 between the inner ring 111 and the outer ring 131 can be quickly disassembled and repaired.

[0037] Based on the above content and the accompanying drawings, those skilled in the art can understand and implement the present invention. In addition, any non-creative modifications made to the present invention by those skilled in the art without making any creative work still fall within the scope of protection of the present invention.

Claims

1. An easily disassembled bearing, characterized by: A bearing body (100) is packaged and mounted on an elevator handrail, wherein left and right ends of the bearing body (100) are provided with sealing devices (200) for preventing the bearing body (100) from dust; The bearing body (100) comprises an inner ring assembly (110) mounted on an elevator handrail, a rolling assembly (120) for rotation is provided on the outer side of the inner ring assembly (110), and an outer ring assembly (130) for cooperating with the inner ring assembly (110) to assist the rolling assembly (120) in rotating is provided on the outer side of the rolling assembly (120); The inner ring assembly (110) includes an inner ring (111) mounted on an elevator handrail, and a groove (112) for disassembling the inner ring assembly (110) and the outer ring assembly (130) is provided on the ring body of the inner ring (111); The outer ring assembly (130) includes an outer ring (131) arranged outside the inner ring (111), and a second groove (132) for disassembling the inner ring assembly (110) and the outer ring assembly (130) is provided on the inner side of the outer ring (131); The sealing device (200) includes a sealing plate (210) arranged between an inner ring assembly (110) and an outer ring assembly (130) for sealing the bearing body (100), a locking assembly (220) for inserting into the outer ring assembly (130) is arranged in the sealing plate (210), and a locking assembly (230) for inserting into the inner ring assembly (110) is arranged in the sealing plate (210).

2. The easily disassembled bearing according to claim 1, characterized in that: The inner ring (111) is provided with a locking groove (113) for cooperating with the locking assembly (230) to fix the sealing plate (210), and there are a plurality of locking grooves (113), which are distributed in a circular array on the inner ring (111).

3. The easily disassembled bearing according to claim 1, characterized in that: A locking groove 2 (133) is provided on the inner side of the outer ring (131) for cooperating with the locking assembly 1 (220) to fix the sealing plate (210), and there are a plurality of locking grooves 2 (133), which are distributed in a circular array on the ring body of the outer ring (131).

4. The easily dismountable bearing according to claim 3, characterized in that: The rolling assembly (120) includes a plurality of balls (122) arranged between an inner ring (111) and an outer ring (131) and capable of rotating. A fixing bar (121) for fixing the plurality of balls (122) is arranged between the plurality of balls (122). There are two fixing bars (121), and a bolt (123) for locking the fixing bar (121) is arranged between the two fixing bars (121).

5. The easily dismountable bearing according to claim 3, characterized in that: The locking assembly (220) includes a locking rod (221) inserted into a second groove (132) for fixing the sealing plate (210), a connecting rod (222) fixedly mounted on one end of the locking rod (221) away from the sealing plate (210), an operating plate (223) fixedly mounted on one end of the connecting rod (222) away from the locking rod (221) for driving the locking rod (221) to move, and a bolt (224) for locking the operating plate (223) is provided on the plate body of the operating plate (223).

6. The easily dismountable bearing according to claim 2, characterized in that: The locking assembly 2 (230) includes a locking rod 2 (231) inserted into the groove 1 (112) for fixing the sealing plate (210), a connecting rod 2 (232) is fixedly installed on one end of the locking rod 2 (231) away from the sealing plate (210), an operating plate 2 (233) for driving the locking rod 2 (231) to move is fixedly installed on one end of the connecting rod 2 (232) away from the locking rod 2 (231), and a bolt 3 (234) for locking the operating plate 2 (233) is provided on the plate body of the operating plate 2 (233).

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