Thin-wall bearing

Abstract

The utility model discloses a thin-wall bearing, which relates to the technical field of bearings, and comprises an outer ring block, an inner ring block, a roller, a limiting assembly and a dismounting assembly, the inner surfaces of the outer ring block and the inner ring block are provided with raceways, and the two ends of the outer ring block and the two ends of the inner ring block are respectively provided with a limiting rod and a limiting hole. The dismounting and mounting assembly comprises a fixing plate A, a fixing plate B and a fixing ring, and a fixing cylinder A is fixedly mounted on the surface of the fixing plate A. According to the bearing dismounting and mounting structure, the inner ring block, the outer ring block and the rollers are assembled through the limiting rods and the limiting holes, and then dismounting and mounting of the bearing can be completed through splicing of the dismounting and mounting structure; the design of the disassembly and assembly structure facilitates the assembly of the bearing, and also facilitates the disassembly of the bearing, thereby facilitating the replacement of the roller by maintenance personnel, avoiding the situation that the roller needs to be replaced together with the whole bearing when the roller is seriously damaged, and reducing the maintenance and replacement cost of the bearing.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing technical field especially relates to a thin wall bearing. BACKGROUND

[0002] Thin wall bearing is a kind of rolling bearing type with thin outer diameter wall thickness in design, usually used in limited space or weight reduction application, compared with traditional bearing, thin wall bearing has smaller size and lighter weight, commonly used in mechanical structure needing to save space, reduce load and improve efficiency.

[0003] In prior art, such as Chinese patent publication No. CN206495898U discloses a kind of thin wall bearing, including inner ring, outer ring, dust cover and the rolling body being arranged between inner ring and outer ring, the dust cover is set between the inner ring and the outer ring, the outer edge of dust cover extends upwards and forms flanging, the flanging is provided with several notches, the notch separates the flanging into several independent flanging blocks, the flanging block includes higher first flanging block and lower second flanging block.

[0004] Although the thin wall bearing reduces the deformation of the outer diameter after bearing gland, ensures the normal use of bearing, prolongs the service life of bearing, but there is a lack in the maintenance of bearing, since the thin wall bearing does not have dismounting structure, and once the bearing is assembled, the rotor inside cannot be replaced, and the ball in the bearing revolves around its own axis and revolves around the bearing center, the motion state is complex, the friction direction and size change constantly, the complex friction force will accelerate the wear of ball surface material, especially under high speed and heavy load working condition, the wear will be more obvious, and the bearing needs to be replaced as a whole after the roller is seriously worn, thereby improving the maintenance and use cost of bearing. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problem of existing technology that bearing does not have dismounting structure, which leads to the need to replace the bearing as a whole when replacing the roller, and provides a kind of thin wall bearing.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a kind of thin wall bearing, including outer ring block, inner ring block, roller, limiting component and dismounting assembly, the inner surface of outer ring block and inner ring block is provided with raceway, the both ends of outer ring block and inner ring block are respectively provided with limiting rod and limiting hole.

[0007] Preferably, the disassembling and assembling component includes a fixed plate A, a fixed plate B and a fixed ring, a fixed cylinder A is fixedly installed on the surface of the fixed plate A, a plug rod A is fixedly installed on the surface of the fixed plate A, a rotating plate is rotatably connected in the fixed plate B, a fixed cylinder B is fixedly installed on the surface of the rotating plate, a plug rod B is fixedly installed on the surface of the fixed plate B, a positioning hole B is formed in the surface of the outer ring block, a positioning hole A is formed in the surface of the inner ring block, and a plug strip A is inserted into the fixed ring.

[0008] Preferably, the limiting rod and the limiting hole are in sliding connection, and the roller and the rolling groove are in rolling connection.

[0009] Preferably, the number of the inner ring block A and the outer ring block is four groups, one end of one group of the inner ring block and the outer ring block is provided with a limiting rod, one end of another group is provided with a limiting hole, and both ends of the remaining two groups are provided with limiting rods and limiting holes.

[0010] Preferably, the fixed cylinder A and the fixed cylinder B are in threaded connection, and the fixed cylinder B and the inner ring block are in rotating connection.

[0011] Preferably, the plug rod A and the plug rod B are in sliding connection with the positioning hole A, and the plug strip A is in threaded connection with the positioning hole B.

[0012] Preferably, the fixed cylinder B and the fixed plate B are in rotating connection, and the plug strip A and the fixed ring are in sliding connection.

[0013] Preferably, the limiting assembly includes a limiting ring A and a limiting ring B, a groove is formed in the surface of the limiting ring A, a fixing hole is formed in the inner surface of the limiting ring B, and a plug strip B is inserted into the limiting ring A.

[0014] Preferably, the plug strip B and the groove are in sliding connection, and the plug strip B and the fixed ring A are in sliding connection.

[0015] Preferably, the plug strip B and the fixing hole are in threaded connection, and the limiting ring A and the limiting ring B are in rolling connection with the roller.

[0016] Compared with the prior art, the utility model has the advantages and positive effects that:

[0017] 1、In the utility model, the inner ring block, the outer ring block and the roller are assembled through the limiting rod and the limiting hole, and then the bearing can be disassembled and assembled through the assembly of the disassembling and assembling structure, so that the bearing can be conveniently assembled and disassembled, the roller can be conveniently replaced by the maintenance personnel, the situation that the bearing needs to be replaced as a whole when the roller is seriously damaged is avoided, and the cost of bearing maintenance and replacement is reduced.

[0018] 2、The utility model discloses a thin -walled bearing, including outer ring block, inner ring block, a plurality of rollers, fixed plate A, fixed cylinder A, insert rod A, fixed cylinder B, rotation plate, fixed plate B, insert rod B, limiting ring A, limiting ring B, fixed hole, recess, insert strip B, limiting component, dismounting component, limiting rod, limiting hole, the fixed plate A is connected with the fixed cylinder A through the insert rod A, and the fixed cylinder B is connected with the rotation plate through the insert rod B. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 A three-dimensional structure schematic diagram of a thin -walled bearing is provided for the utility model;

[0020] Figure 2 An explosion structure schematic diagram at the dismounting component and limiting component of a thin -walled bearing is provided for the utility model;

[0021] Figure 3 An explosion structure schematic diagram at the dismounting component of a thin -walled bearing is provided for the utility model;

[0022] Figure 4 An explosion structure schematic diagram at the insert strip and limiting ring B of a thin -walled bearing is provided for the utility model;

[0023] Figure 5 A three-dimensional structure schematic diagram of a thin -walled bearing is provided for the utility model; Figure 4 The enlarged view of A in the middle of the thin -walled bearing.

[0024] Legend: 1, outer ring block;2, inner ring block;201, raceway;3, roller;4, dismounting component;5, limiting component;6, limiting rod;7, limiting hole;401, fixed plate A;402, fixed cylinder A;403, insert rod A;404, fixed cylinder B;405, rotation plate;406, fixed plate B;407, insert rod B;408, positioning hole A;409, positioning hole B;410, fixed ring;411, insert strip A;501, limiting ring A;502, limiting ring B;503, fixed hole;504, recess;505, insert strip B. DETAILED DESCRIPTION

[0025] In order to more clearly understand the above -mentioned purpose, features and advantages of the utility model, the utility model is further explained below with the help of drawings and examples. It should be explained that the embodiment of the application and the features in the embodiment can be combined with each other without conflict.

[0026] In the following description, a lot of specific details are set forth in order to fully understand the utility model, however, the utility model can also be implemented in other ways different from the description, therefore, the utility model is not limited to the specific embodiment disclosed in the following disclosure. EMBODIMENT

[0027] AsFigures 1-5 The utility model provides a kind of thin-wall bearing, including outer ring block 1, inner ring block 2, roller 3, limit component 5 and dismounting component 4, the inner surface of outer ring block 1 and inner ring block 2 is all provided with raceway 201, the both ends of outer ring block 1 and inner ring block 2 are respectively provided with limit rod 6 and limit hole 7, dismounting component 4 includes fixed plate A401, fixed plate B406 and fixed ring 410, the surface of fixed plate A401 is fixedly installed with fixed cylinder A402, the surface of fixed plate A401 is fixedly installed with plug rod A403, the inside rotationally connected with turning plate 405 of fixed plate B406, the surface of turning plate 405 is fixedly installed with fixed cylinder B404, the surface of fixed plate B406 is fixedly installed with plug rod B407, the surface of outer ring block 1 is provided with locating hole B409, the surface of inner ring block 2 is provided with locating hole A408, the inside of fixed ring 410 is inserted with plug strip A411, limit rod 6 and limit hole 7 are slidably connected, roller 3 and raceway 201 are rollingly connected, the number of inner ring block 2A and outer ring block 1 is four groups, one end of one group of inner ring block 2 in four groups of inner ring block 2 and outer ring block 1 is provided with limit rod 6, the other group is provided with limit hole 7 at one end, the both ends of remaining two groups are all provided with limit rod 6 and limit hole 7, fixed cylinder A402 and fixed cylinder B404 are connected by screw thread, fixed cylinder B404 and inner ring block 2 are rotationally connected, plug rod A403 and plug rod B407 are slidably connected with locating hole A408, plug strip A411 and locating hole B409 are connected by screw thread, fixed cylinder B404 and fixed plate B406 are rotationally connected, plug strip A411 and fixed ring 410 are slidably connected.

[0028] In the embodiment: roller 3 is placed in raceway 201 on inner ring block 2 and outer ring block 1, then inner ring block 2 and outer ring block 1 are assembled by limit rod 6 and limit hole 7, after assembling inner ring block 2 and outer ring block 1, then fixed plate A401 is inserted into locating hole A408 by plug rod A403, then fixed plate B406 is inserted into the locating hole A408 on the other side by plug rod B407, then turning plate 405 is rotated, and turning plate 405 will drive fixed cylinder B404 to rotate when rotating, after fixed cylinder B404 and fixed cylinder A402 are connected by screw thread, the fixing of inner ring block 2 is completed, then plug strip A411 is inserted into fixed ring 410, and then plug strip A411 is connected with locating hole B409 by screw thread, after connecting plug strip A411, the fixing of outer ring block 1 is completed, the design of dismounting structure facilitates the assembly of bearing, and facilitates the disassembly of bearing, so that maintenance personnel can replace roller 3 conveniently, avoiding the case that roller 3 needs to be replaced together with the whole bearing when roller 3 is damaged seriously, thereby reducing the cost of bearing maintenance and replacement. Embodiment

[0029] AsFigures 1-5 As shown, the limiting assembly 5 includes a limiting ring A 501 and a limiting ring B 502, the surface of the limiting ring A 501 is provided with a groove 504, the inner surface of the limiting ring B 502 is provided with a fixing hole 503, the inside of the limiting ring A 501 is provided with an insertion strip B 505, the insertion strip B 505 and the groove 504 are slidingly connected, the insertion strip B 505 and the fixed ring 410A are slidingly connected, the insertion strip B 505 and the fixed hole 503 are connected by threads, and the limiting ring A 501 and the limiting ring B 502 are rollingly connected with the roller 3.

[0030] In this embodiment: through the rolling between the limiting ring A 501 and the limiting ring B 502 and the roller 3, and then rotating the insertion strip B 505, the insertion strip B 505 can be taken out of the groove 504 after the insertion strip B 505 is turned out of the fixed hole 503, and then the limiting ring A 501 and the limiting ring B 502 can be removed from the surface of the roller 3, and then the new limiting ring A 501 and the limiting ring B 502 are sleeved on the surface of the roller 3, and then the insertion strip B 505 is inserted into the groove 504, and then the insertion strip B 505 is connected with the fixed hole 503 by threads, and then the disassembly and replacement of the limiting ring A 501 and the limiting ring B 502 can be completed after the insertion strip B 505 is connected, the threaded connection design of the insertion strip B 505 and the fixed hole 503 facilitates the disassembly and replacement of the limiting ring A 501 and the limiting ring B 502, and also keeps the rolling distance of the roller 3 in the rolling groove 201 consistent, avoiding the adhesion of multiple rollers 3.

[0031] The working principle and method of using the device: when the thin-wall bearing needs to be installed, the roller 3 is only placed in the rolling groove 201 on the inner ring block 2 and the outer ring block 1, and then the inner ring block 2 and the outer ring block 1 are assembled through the limiting rod 6 and the limiting hole 7, and then the fixed plate A 401 is inserted into the positioning hole A 408 through the insertion rod A 403, and then the fixed plate B 406 is inserted into the positioning hole A 408 on the other side through the insertion rod B 407, and then the rotating plate 405 is rotated, and the rotating plate 405 drives the fixed cylinder B 404 to rotate when rotating, and then the inner ring block 2 is fixed after the fixed cylinder B 404 is connected with the fixed cylinder A 402 by threads, and then the insertion strip A 411 is inserted into the fixed ring 410, and then the insertion strip A 411 is connected with the positioning hole B 409 by threads, and then the outer ring block 1 is fixed after the insertion strip A 411 is connected.

[0032] When the limiting ring A501 and the limiting ring B502 need to be disassembled and replaced, only the insertion strip B505 is rotated, the insertion strip B505 is extracted from the groove 504 after the insertion strip B505 is turned out from the fixed hole 503, the limiting ring A501 and the limiting ring B502 are taken off from the surface of the roller 3 after the insertion strip B505 is extracted, the new limiting ring A501 and the new limiting ring B502 are sleeved on the surface of the roller 3, the insertion strip B505 is inserted into the groove 504, the insertion strip B505 is connected with the fixed hole 503 through the screw thread at this time, and the disassembly and replacement of the limiting ring A501 and the limiting ring B502 are completed after the insertion strip B505 is connected.

[0033] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields. However, any simple modification, equivalent change and modification of the above embodiments made according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. A thin-walled bearing comprising an outer ring block (1), an inner ring block (2), a roller (3), a limiting assembly (5) and a dismounting assembly (4), characterized in that: The inner surface of the outer ring block (1) and the inner ring block (2) is provided with a raceway (201), and the two ends of the outer ring block (1) and the inner ring block (2) are respectively provided with a limiting rod (6) and a limiting hole (7).

2. A thin-walled bearing according to claim 1, characterized in that: The dismounting assembly (4) comprises a fixed plate A (401), a fixed plate B (406) and a fixed ring (410), the surface of the fixed plate A (401) is fixedly provided with a fixed cylinder A (402), the surface of the fixed plate A (401) is fixedly provided with a plug rod A (403), the inner portion of the fixed plate B (406) is rotatably connected with a rotating plate (405), the surface of the rotating plate (405) is fixedly provided with a fixed cylinder B (404), the surface of the fixed plate B (406) is fixedly provided with a plug rod B (407), the surface of the outer ring block (1) is provided with a positioning hole B (409), the surface of the inner ring block (2) is provided with a positioning hole A (408), and the inner portion of the fixed ring (410) is inserted with a plug strip A (411).

3. A thin-walled bearing according to claim 1, characterized in that: The limiting rod (6) and the limiting hole (7) are in sliding connection, and the roller (3) and the raceway (201) are in rolling connection.

4. A thin-walled bearing according to claim 1, characterized in that: The number of the inner ring block (2) A and the outer ring block (1) is four groups, one end of one group of the inner ring block (2) in the four groups of the inner ring block (2) and the outer ring block (1) is provided with a limiting rod (6), the other group is provided with a limiting hole (7) at one end, and the other two groups are provided with a limiting rod (6) and a limiting hole (7) at both ends.

5. A thin-walled bearing according to claim 2, characterized in that: The fixed cylinder A (402) and the fixed cylinder B (404) are in threaded connection, and the fixed cylinder B (404) and the inner ring block (2) are in rotating connection.

6. A thin-walled bearing according to claim 2, characterized in that: The plug rod A (403) and the plug rod B (407) are in sliding connection with the positioning hole A (408), and the plug strip A (411) and the positioning hole B (409) are in threaded connection.

7. A thin-wall bearing according to claim 2, characterized in that: The fixed cylinder B (404) and the fixed plate B (406) are in rotating connection, and the plug strip A (411) and the fixed ring (410) are in sliding connection.

8. A thin-wall bearing according to claim 1, characterized in that: The limiting assembly (5) comprises a limiting ring A (501) and a limiting ring B (502), the surface of the limiting ring A (501) is provided with a groove (504), the inner surface of the limiting ring B (502) is provided with a fixed hole (503), and the inner portion of the limiting ring A (501) is inserted with a plug strip B (505).

9. A thin-walled bearing according to claim 8, characterized in that: The plug strip B (505) and the groove (504) are in sliding connection, and the plug strip B (505) and the fixed ring (410) A are in sliding connection.

10. A thin-walled bearing according to claim 8, characterized in that: The plug strip B (505) and the fixed hole (503) are in threaded connection, and the limiting ring A (501) and the limiting ring B (502) are in rolling connection with the roller (3).

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