Anti-corrosion cylindrical roller bearing

Abstract

The utility model discloses an anticorrosive cylindrical roller bearing, which belongs to the technical field of cylindrical roller bearings and comprises a bearing outer ring and a bearing inner ring, a bearing retainer is mounted between the bearing outer ring and the bearing inner ring, and a cylindrical roller body is mounted on the inner wall of the bearing retainer. The anti-corrosion cylindrical roller bearing comprises a bearing inner ring and a bearing retainer, auxiliary anti-corrosion structures are arranged on the two sides of the bearing retainer, an auxiliary protection structure is arranged on one side of the bearing inner ring and comprises a protection plate and a protection ring frame, and first annular clamping blocks are fixedly connected to one side of the outer surface of the protection plate and one side of the outer surface of the protection ring frame. By arranging the protection plate and the protection ring frame, the two sides of the bearing retainer can be installed and protected, then dust can be effectively prevented from entering the installation space in the bearing retainer to corrode the bearing retainer, the protection plate and the protection ring frame are fixed through bolts, disassembly and assembly are convenient, and the time and cost for replacement after damage are low.

Description

Technical Field

[0001] The utility model belongs to the technical field of cylindrical roller bearings, in particular to an anti-corrosion cylindrical roller bearing. Background Art

[0002] The rolling element is a radial rolling bearing with cylindrical rollers. The internal structure of the cylindrical roller bearing adopts parallel arrangement of rollers, and spacers or isolation blocks are installed between the rollers to prevent the rollers from tilting or rubbing against each other, effectively preventing the increase of rotational torque.

[0003] The cylindrical roller bearing in the prior art mainly comprises a bearing outer ring, a bearing inner ring, a bearing retainer and a cylindrical roller body. When in use, the cylindrical roller body is installed with the bearing retainer and then fixed with the bearing outer ring and the bearing inner ring.

[0004] However, in actual use, the cage between the outer ring and the inner ring of the bearing is very easy to accumulate dust, which is then damaged by the corrosion of the dust, thus affecting the normal use of the bearing. Bearings are generally assembled as one piece, and the cost of replacement and maintenance is relatively high. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides an anti-corrosion cylindrical roller bearing, which solves the problem that in actual use, the retaining frame between the outer ring and the inner ring of the bearing is very easy to accumulate dust, and then be damaged by the corrosion of the dust, thereby affecting the normal use of the bearing, and the bearings are generally assembled in one piece, and the cost of replacement and maintenance is high.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-corrosion cylindrical roller bearing, comprising a bearing outer ring and a bearing inner ring, a bearing retainer is installed between the bearing outer ring and the bearing inner ring, a cylindrical roller body is installed on the inner wall of the bearing retainer, auxiliary anti-corrosion structures are arranged on both sides of the bearing retainer, an auxiliary protective structure is arranged on one side of the bearing inner ring, the auxiliary anti-corrosion structure comprises a protective plate and a protective ring frame, a first annular clamping block is fixedly connected to one side of the outer surface of the protective plate and the protective ring frame, a first annular clamping groove is opened on both sides of the outer surface of the bearing retainer, and the first annular clamping block is detachably clamped to the first annular clamping groove.

[0009] As a further solution of the utility model: a threaded rod is fixedly connected to one side of the outer surface of the first annular block located on the protective plate, and the inner wall of the bearing retainer is located on the inner wall of the first annular groove and is provided with a first plug hole, and the threaded rod can be detachably inserted into the inner wall of the first plug hole.

[0010] As a further solution of the utility model: the inner wall of the protective ring frame and the first annular block installed thereon are both provided with a second insertion hole, the threaded rod can be inserted into the inner wall of the second insertion hole, and one end of the threaded rod is threadedly connected with a fixing nut.

[0011] As a further solution of the utility model: a rubber ring block is clamped on the inner wall of the protective ring frame, and a plurality of rubber protrusions are fixedly connected to the outer surface of the rubber ring block.

[0012] As a further solution of the utility model: the auxiliary protection structure includes a first annular retaining groove, the first annular retaining groove is opened on one side of the outer surface of the inner ring of the bearing, and the inner wall of the first annular retaining groove is clamped with a first annular retaining block.

[0013] As a further solution of the utility model: the inner wall of the inner ring of the bearing is located on the inner wall of the first annular locking groove and is provided with a second annular locking groove, and the second annular locking block is fixedly connected to one side of the outer surface of the first annular locking block, and the second annular locking block can be locked into the inner wall of the second annular locking groove.

[0014] As a further solution of the utility model: a protective ring plate is fixedly connected to one side of the outer surface of the first annular clamping block, an annular glue groove is provided on the outer surface of the first annular clamping block, and a glue hole is provided on the inner wall of the annular glue groove.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The anti-corrosion cylindrical roller bearing can be installed and protected on both sides of the bearing cage by arranging a protective plate and a protective ring frame, thereby effectively reducing the corrosion caused by dust entering the installation space inside the bearing cage, and the protective plate and the protective ring frame are fixed by bolts, which are convenient for disassembly and assembly, and the time and cost for replacement in case of damage are low, thereby improving the corrosion resistance and durability of the overall bearing.

[0018] 2. The anti-corrosion cylindrical roller bearing, rubber ring block and rubber protrusion can protect the inner wall of the protective ring frame, and then prevent the fixing nut and other components installed inside it from being blocked, avoiding rust at the connection between the fixing nut and the threaded rod.

[0019] 3. The anti-corrosion cylindrical roller bearing can be fixed with the first annular retaining groove on the inner ring of the bearing under the action of the annular rubber groove and the rubber hole on the first annular retaining block by setting an auxiliary protection structure, and then the rubber ring block and other components can be protected under the action of the protective ring plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the outer ring of the bearing of the utility model;

[0022] Figure 3 It is a structural schematic diagram of the protective plate of the utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the protective ring frame of the utility model;

[0024] Figure 5 It is a structural schematic diagram of the bearing retainer of the utility model.

[0025] In the figure: 1. outer ring of bearing; 2. inner ring of bearing; 3. bearing retainer; 4. cylindrical roller body; 5. auxiliary anti-corrosion structure; 51. protective plate; 52. first annular clamping block; 53. protective ring frame; 54. threaded plug rod; 55. second plug hole; 56. fixing nut; 57. rubber ring block; 58. rubber protrusion; 59. first annular clamping groove; 510. first plug hole; 6. auxiliary protective structure; 61. first annular clamping groove; 62. second annular clamping groove; 63. first annular clamping block; 64. second annular clamping block; 65. protective ring plate; 66. annular rubber groove; 67. rubber hole. DETAILED DESCRIPTION

[0026] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0027] like Figure 1-5As shown, the utility model provides a technical solution: an anti-corrosion cylindrical roller bearing, comprising a bearing outer ring 1 and a bearing inner ring 2, a bearing retainer 3 is installed between the bearing outer ring 1 and the bearing inner ring 2, a cylindrical roller body 4 is installed on the inner wall of the bearing retainer 3, auxiliary anti-corrosion structures 5 are arranged on both sides of the bearing retainer 3, and an auxiliary protective structure 6 is arranged on one side of the bearing inner ring 2. The auxiliary anti-corrosion structure 5 comprises a protective plate 51 and a protective ring frame 53. By arranging the protective plate 51 and the protective ring frame 53, the installation space of the bearing retainer 3 can be protected. One side of the outer surface of the protective plate 51 and the protective ring frame 53 is fixedly connected with a first annular clamping block 52, and both sides of the outer surface of the bearing retainer 3 are provided with a first annular clamping groove 59, the first annular clamping block 52 and the first annular clamping groove 59 are detachably clamped, and the protective plate 51 and the protective ring frame 53 can be fixed by arranging the first annular clamping block 52 and the first annular clamping groove 59.

[0028] Specifically, Figure 3-Figure 5 As shown, a threaded rod 54 is fixedly connected to one side of the outer surface of the first annular block 52 located on the protective plate 51, and a first plug hole 510 is provided on the inner wall of the inner wall of the bearing retainer 3 located on the inner wall of the first annular groove 59. The threaded rod 54 can be detachably inserted into the inner wall of the first plug hole 510. By setting the threaded rod 54 and the first plug hole 510, the bearing retainer 3 and the first annular block 52 can be fixed. The inner walls of the protective ring frame 53 and the first annular block 52 installed thereon are both provided with a second plug hole 55. The threaded rod 54 can be inserted into the inner wall of the second plug hole 55. By setting the second plug hole 55, it can be fixed in conjunction with the threaded rod 54. One end of the threaded rod 54 is threadedly connected with a fixing nut 56. The inner wall of the protective ring frame 53 is clamped with a rubber ring block 57. The outer surface of the rubber ring block 57 is fixedly connected with a plurality of rubber protrusions 58. By setting the rubber ring block 57, protection can be carried out in conjunction with the rubber protrusions 58.

[0029] Specifically, Figure 4 and Figure 5As shown, the auxiliary protection structure 6 includes a first annular positioning groove 61, which is provided on one side of the outer surface of the bearing inner ring 2, and the inner wall of the first annular positioning groove 61 is clamped with a first annular positioning block 63, and the inner wall of the bearing inner ring 2 is located on the inner wall of the first annular positioning groove 61 and is provided with a second annular positioning groove 62. By providing the first annular positioning block 63 and the first annular positioning groove 61, the protection ring plate 65 can be fixed, and the outer surface of the first annular positioning block 63 is fixedly connected with the second annular positioning block 64, and the second annular positioning block 64 can be clamped into the inner wall of the second annular positioning groove 62, and the outer surface of the first annular positioning block 63 is fixedly connected with the protection ring plate 65. The outer surface of the first annular positioning block 63 is provided with an annular glue groove 66, and the inner wall of the annular glue groove 66 is provided with a glue hole 67. By providing the annular glue groove 66 and the glue hole 67, the first annular positioning block 63 and the first annular positioning groove 61 can be glued and fixed.

[0030] The working principle of the utility model is:

[0031] S1. First, fix the first annular block 52 and the first annular groove 59. At this time, the threaded rod 54 can be inserted into the inner walls of the first plug hole 510 and the second plug hole 55. At this time, the fixing nut 56 can be rotated to fix it with the threaded rod 54.

[0032] S2. At this time, the rubber ring block 57 is inserted into the inner wall of the protective ring frame 53 to fix the fixing nut 56. At this time, the rubber protrusion 58 can cooperate to increase friction.

[0033] S3. At this time, the first annular locking block 63 is locked into the inner wall of the first annular locking groove 61, and then the second annular locking block 64 can be locked into the inner wall of the second annular locking groove 62. At this time, the internal glue of the annular glue groove 66 and the inner wall glue of the glue hole 67 can be fixed with the first annular locking groove 61, thereby fixing the protective ring plate 65.

[0034] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0035] The above describes in detail the preferred implementation of this patent, but this patent is not limited to the above implementation. Various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of this patent.

Claims

1. A corrosion-resistant cylindrical roller bearing, comprising a bearing outer ring (1) and a bearing inner ring (2), characterized in that: A bearing retainer (3) is installed between the bearing outer ring (1) and the bearing inner ring (2), and a cylindrical roller body (4) is installed on the inner wall of the bearing retainer (3). Auxiliary anti-corrosion structures (5) are arranged on both sides of the bearing retainer (3), and an auxiliary protective structure (6) is arranged on one side of the bearing inner ring (2). The auxiliary anti-corrosion structure (5) includes a protective plate (51) and a protective ring frame (53). A first annular clamping block (52) is fixedly connected to one side of the outer surface of the protective plate (51) and the protective ring frame (53). First annular clamping grooves (59) are provided on both sides of the outer surface of the bearing retainer (3), and the first annular clamping block (52) and the first annular clamping groove (59) are detachably clamped.

2. The anti-corrosion cylindrical roller bearing according to claim 1, characterized in that: A threaded rod (54) is fixedly connected to one side of the outer surface of the first annular clamping block (52) on the protective plate (51), and a first insertion hole (510) is provided on the inner wall of the bearing retainer (3) located in the inner wall of the first annular clamping groove (59), and the threaded rod (54) is detachably inserted into the inner wall of the first insertion hole (510).

3. The anti-corrosion cylindrical roller bearing according to claim 2, characterized in that: The inner walls of the protective ring frame (53) and the first annular block (52) mounted thereon are both provided with a second insertion hole (55), the threaded insertion rod (54) can be inserted into the inner wall of the second insertion hole (55), and one end of the threaded insertion rod (54) is threadedly connected with a fixing nut (56).

4. The anti-corrosion cylindrical roller bearing according to claim 1, characterized in that: A rubber ring block (57) is clamped on the inner wall of the protective ring frame (53), and a plurality of rubber protrusions (58) are fixedly connected to the outer surface of the rubber ring block (57).

5. The anti-corrosion cylindrical roller bearing according to claim 1, characterized in that: The auxiliary protection structure (6) comprises a first annular locking groove (61), the first annular locking groove (61) is arranged on one side of the outer surface of the bearing inner ring (2), and the inner wall of the first annular locking groove (61) is clamped with a first annular locking block (63).

6. The anti-corrosion cylindrical roller bearing according to claim 5, characterized in that: The inner wall of the bearing inner ring (2) is located on the inner wall of the first annular locking groove (61) and is provided with a second annular locking groove (62); one side of the outer surface of the first annular locking block (63) is fixedly connected with a second annular locking block (64); the second annular locking block (64) can be locked into the inner wall of the second annular locking groove (62).

7. The anti-corrosion cylindrical roller bearing according to claim 5, characterized in that: A protective ring plate (65) is fixedly connected to one side of the outer surface of the first annular locking block (63); an annular glue groove (66) is provided on the outer surface of the first annular locking block (63); and a glue hole (67) is provided on the inner wall of the annular glue groove (66).

Images