Deep groove ball bearing convenient to maintain

Abstract

The utility model discloses a deep groove ball bearing convenient to maintain, which belongs to the technical field of deep groove ball 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, a bearing ball body is mounted in the bearing retainer, and the bearing outer ring and the bearing inner ring are integrally formed. A maintenance structure convenient to disassemble is arranged between the bearing outer ring and the bearing inner ring, through the arrangement of a protection structure convenient to disassemble, under the action of a first annular plate and a second annular plate, a threaded insertion rod and a threaded insertion cylinder can be matched to be fixed to the bearing retainer, and then the space between the bearing retainer and the bearing outer ring and the space between the bearing retainer and the bearing inner ring are blocked; at the moment, under the action that a first annular clamping groove and a second annular clamping groove are matched with a first annular clamping block and a second annular clamping block, a first rubber check block and a second rubber check block can be fixed in an auxiliary mode, then gaps between a first annular plate and a bearing inner ring and gaps between a second annular plate and a bearing outer ring can be blocked, and dust entering is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of deep groove ball bearings, in particular to a deep groove ball bearing which is easy to maintain. Background Art

[0002] Deep groove ball bearings, formerly known as radial ball bearings, are the most widely used rolling bearings. They are characterized by low friction resistance and high speed. They can be used on parts that bear radial loads or combined loads of radial and axial loads at the same time, and can also be used on parts that bear axial loads, such as low-power motors, automobile and tractor gearboxes, machine tool gearboxes, general machines, tools, etc.

[0003] The deep groove ball bearing in the prior art mainly includes a bearing outer ring, a bearing inner ring, a bearing retainer and a bearing ball. When in use, the bearing ball is fixedly installed with the bearing retainer and then installed between the bearing outer ring and the bearing inner ring.

[0004] However, in actual use, dust is easily accumulated in the cage installation space between the bearing inner ring and the bearing outer ring, and the bearing needs to be disassembled as a whole for maintenance to reduce the impact of dust on the bearing outer ring and the bearing inner ring. However, the disassembly and assembly steps are relatively cumbersome, which makes the maintenance time longer. Frequent maintenance will reduce work efficiency and is very inconvenient. 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 a deep groove ball bearing which is easy to maintain, and solves the problem that in actual use, dust is easily accumulated in the retaining frame installation space between the bearing inner ring and the bearing outer ring, and the bearing needs to be disassembled as a whole for maintenance, thereby reducing the impact of dust on the bearing outer ring and the bearing inner ring. However, the disassembly and assembly steps are relatively cumbersome, which makes the maintenance time longer, and frequent maintenance will reduce work efficiency, which is very inconvenient.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a deep groove ball bearing that is easy to maintain, 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 bearing ball is installed inside the bearing retainer, an easy-to-disassemble maintenance structure is arranged between the bearing outer ring and the bearing inner ring, a dust accumulation structure is arranged on one side of the outer surface of the bearing inner ring, the easy-to-disassemble maintenance structure comprises a plurality of first plug holes, a first annular plate and a second annular plate, a plurality of the first plug holes are opened on the inner wall of the bearing retainer, the first annular plate and the second annular plate are arranged on both sides of the bearing outer ring and the bearing inner ring and are located between the bearing inner ring and the bearing outer ring.

[0009] As a further solution of the utility model: a plurality of threaded inserts arranged equidistantly in a circumferential manner are fixedly connected to one side of the outer surface of the second annular plate, the threaded inserts are inserted into the inner wall of the first insertion hole, the inner wall of the first annular plate is detachably threadedly inserted with a threaded rod, and the threaded rod is detachably threadedly connected to the inner wall of the threaded insert.

[0010] As a further solution of the utility model: one side of the outer surface of the second annular plate is fixedly connected to a plurality of equidistant circular inserts, the circular inserts are inserted into the inner wall of the first insertion hole, and one side of the outer surface of the first annular plate is fixedly connected to a plurality of circular insert rods, the circular insert rods can be inserted into the inner wall of the circular insert cylinders.

[0011] As a further solution of the utility model: first annular grooves are provided on both sides of the outer surface of the bearing outer ring, a first annular block is clamped on the inner wall of the first annular groove, and a first rubber stopper is fixedly connected to one side of the outer surface of the first annular block.

[0012] As a further solution of the utility model: second annular grooves are provided on both sides of the outer surface of the inner ring of the bearing, a second annular block is clamped on the inner wall of the second annular groove, and a second rubber stopper is fixedly connected to one side of the outer surface of the second annular block.

[0013] As a further solution of the utility model: the dust accumulation prevention structure includes a plurality of second holes, and the plurality of second holes are opened on the inner wall of the inner ring of the bearing, and a threaded clamping rod is inserted into the inner wall of the second hole, and one end of the threaded clamping rod is threadedly connected with a fixing nut.

[0014] As a further solution of the utility model: a truncated cone frame is fixedly connected to one side of the outer surface of the threaded clamping rod, and a blocking bristle is fixedly connected to the inner wall of the small mouth end of the truncated cone frame.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. The deep groove ball bearing which is easy to maintain is provided with an easy-to-disassemble protective structure. Under the action of the first annular plate and the second annular plate, the threaded insert rod and the threaded insert cylinder can be fixed to the bearing retainer, thereby sealing the bearing retainer and the outer ring and the inner ring of the bearing. At this time, the first annular groove and the second annular groove can cooperate with the first annular block and the second annular block to assist in fixing the first rubber block and the second rubber block, thereby sealing the gap between the first annular plate and the second annular plate and the inner ring and the outer ring of the bearing, thereby reducing the entry of dust and the number of maintenance. At the same time, during maintenance, it is only necessary to disassemble and clean the first annular plate and the second annular plate.

[0018] 2. The deep groove ball bearing which is easy to maintain can reduce the number of times the threaded insert rod is screwed in under the action of the round insert rod and the round insert cylinder, and at the same time ensure that the stability of the first annular plate and the second annular plate is not affected.

[0019] 3. The deep groove ball bearing which is easy to maintain can assist in the installation of the truncated cone frame by setting a dust accumulation structure under the action of the second plug rod and the threaded clamp rod, so that the truncated cone frame can effectively protect the connection between the bearing and the shaft rod to prevent a large amount of dust from entering. 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 bearing retainer of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the first annular plate of the utility model;

[0023] Figure 4 This is a structural schematic diagram of the first rubber stopper of the utility model;

[0024] Figure 5 This is a structural schematic diagram of the second rubber stopper of the utility model;

[0025] Figure 6 It is a structural schematic diagram of the cylindrical table frame of the utility model.

[0026] In the figure: 1. outer ring of bearing; 2. inner ring of bearing; 3. easy-to-disassemble maintenance structure; 31. first plug hole; 32. first annular plate; 33. second annular plate; 34. round insert tube; 35. round insert rod; 36. threaded insert tube; 37. threaded insert rod; 38. first annular groove; 39. second annular groove; 310. first annular block; 311. first rubber stopper; 312. second annular block; 313. second rubber stopper; 4. dust accumulation structure; 41. second plug hole; 42. threaded clamping rod; 43. fixing nut; 44. frustum frame; 45. blocking brush; 5. bearing retainer; 6. bearing ball. DETAILED DESCRIPTION

[0027] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0028] like Figure 1-4 As shown, the utility model provides a technical solution: a deep groove ball bearing that is easy to maintain, including a bearing outer ring 1 and a bearing inner ring 2, a bearing retainer 5 is installed between the bearing outer ring 1 and the bearing inner ring 2, a bearing ball 6 is installed inside the bearing retainer 5, a convenient disassembly maintenance structure 3 is arranged between the bearing outer ring 1 and the bearing inner ring 2, a dust accumulation structure 4 is arranged on one side of the outer surface of the bearing inner ring 2, the convenient disassembly maintenance structure 3 includes a plurality of first insertion holes 31, a first annular plate 32 and a second annular plate 33, by arranging the first annular plate 32 and the second annular plate 33, the space between the bearing retainer 5 and the bearing outer ring 1 and the bearing inner ring 2 can be blocked, a plurality of first insertion holes 31 are opened on the inner wall of the bearing retainer 5, the first annular plate 32 and the second annular plate 33 are arranged on both sides of the bearing outer ring 1 and the bearing inner ring 2 and are located between the bearing inner ring 2 and the bearing outer ring 1, and by arranging the first insertion hole 31, the threaded insert 36 and the round insert 34 can be cooperated to play a role.

[0029] Specifically, Figure 2-Figure 5As shown, one side of the outer surface of the second annular plate 33 is fixedly connected with a plurality of threaded inserts 36 arranged equidistantly in a circumferential manner, the threaded inserts 36 are inserted into the inner wall of the first insertion hole 31, and the inner wall of the first annular plate 32 is detachably threadedly inserted with a threaded rod 37. By arranging the threaded inserts 36 and the threaded inserts 37, the first annular plate 32 and the second annular plate 33 can be auxiliary fixed, and the threaded inserts 37 are detachably threadedly connected to the inner wall of the threaded inserts 36. One side of the outer surface of the second annular plate 33 is fixedly connected with a plurality of round inserts 34 arranged equidistant in a circumferential manner, the round inserts 34 are inserted into the inner wall of the first insertion hole 31, and one side of the outer surface of the first annular plate 32 is fixedly connected with a plurality of round inserts 35. By arranging the round inserts 35 and the round inserts 34, a part of the threaded inserts 37 and the threaded inserts 36 can be replaced, thereby ensuring the stability of the first annular plate 32 and the second annular plate 33, while reducing the installation steps. The round inserts 35 can Inserted in the inner wall of the round insert cylinder 34, first annular grooves 38 are provided on both sides of the outer surface of the bearing outer ring 1, and the inner wall of the first annular groove 38 is clamped with a first annular block 310, and one side of the outer surface of the first annular block 310 is fixedly connected to a first rubber stopper 311. By providing the first annular groove 38 and the first annular block 310, the first rubber stopper 311 can be fixed, so that the gap between the first annular plate 32 and the second annular plate 33 and the bearing outer ring 1 is filled. Second annular grooves 39 are provided on both sides of the outer surface of the bearing inner ring 2, and the inner wall of the second annular groove 39 is clamped with a second annular block 312, and one side of the outer surface of the second annular block 312 is fixedly connected to a second rubber stopper 313. By providing the second annular groove 39 and the second annular block 312, the gap between the first annular plate 32 and the second annular plate 33 and the bearing inner ring 2 can be filled in cooperation with the second rubber stopper 313.

[0030] Specifically, Figure 2 and Figure 6 As shown, the dust accumulation structure 4 includes a plurality of second holes 41, and the plurality of second holes 41 are opened on the inner wall of the bearing inner ring 2. A threaded clamping rod 42 is inserted into the inner wall of the second hole 41, and one end of the threaded clamping rod 42 is threadedly connected with a fixing nut 43. By setting the second hole 41, the threaded clamping rod 42 can cooperate with the fixing nut 43 to fix the frustum frame 44 and the bearing inner ring 2. One side of the outer surface of the threaded clamping rod 42 is fixedly connected with the frustum frame 44, and the inner wall of the small mouth end of the frustum frame 44 is fixedly connected with blocking bristles 45. By setting the blocking bristles 45, the entry of dust into the frustum frame 44 can be effectively reduced.

[0031] The working principle of the utility model is:

[0032] S1, insert the threaded insert 36 on the second annular plate 33 and the round insert 34 on the second annular plate 33 into the inner wall of the first insertion hole 31 respectively, and the round insert rod 35 on the first annular plate 32 can be inserted into the inner wall of the round insert 34;

[0033] S2. At this time, the threaded rod 37 is rotated so that the threaded rod 37 can be auxiliary fixed with the threaded insert 36, so that the first annular plate 32 and the second annular plate 33 can block the installation space on the bearing retainer 5. At this time, the first annular clamping block 310 is clamped into the inner wall of the first annular clamping groove 38, and the second annular clamping block 312 is clamped into the inner wall of the second annular clamping groove 39, so that the first rubber block 311 and the second rubber block 313 can block the gaps between the first annular plate 32 and the second annular plate 33 and the bearing outer ring 1 and the bearing inner ring 2;

[0034] S3. Insert the threaded clamp rod 42 into the inner wall of the second insertion hole 41, and then fix the fixing nut 43 and the threaded clamp rod 42 to assist in fixing, and then the frustum frame 44 can be installed. At this time, the blocking bristles 45 can effectively prevent dust from entering the interior of the bearing inner ring 2.

[0035] 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.

[0036] 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 deep groove ball bearing that is easy to maintain, comprising a bearing outer ring (1) and a bearing inner ring (2), characterized in that: A bearing retainer (5) is installed between the bearing outer ring (1) and the bearing inner ring (2), a bearing ball (6) is installed inside the bearing retainer (5), a convenient disassembly and maintenance structure (3) is arranged between the bearing outer ring (1) and the bearing inner ring (2), a dust accumulation prevention structure (4) is arranged on one side of the outer surface of the bearing inner ring (2), and the convenient disassembly and maintenance structure (3) comprises a plurality of first insertion holes (31), a first annular plate (32) and a second annular plate (33), a plurality of the first insertion holes (31) are opened on the inner wall of the bearing retainer (5), and the first annular plate (32) and the second annular plate (33) are arranged on both sides of the bearing outer ring (1) and the bearing inner ring (2) and are located between the bearing inner ring (2) and the bearing outer ring (1).

2. A deep groove ball bearing easy to maintain according to claim 1, characterized in that: A plurality of threaded inserts (36) arranged equidistantly in a circumferential manner are fixedly connected to one side of the outer surface of the second annular plate (33); the threaded inserts (36) are inserted into the inner wall of the first insertion hole (31); a threaded insert rod (37) is detachably threadedly inserted into the inner wall of the first annular plate (32); the threaded insert rod (37) is detachably threadedly connected to the inner wall of the threaded insert rod (36).

3. A deep groove ball bearing easy to maintain according to claim 1, characterized in that: One side of the outer surface of the second annular plate (33) is fixedly connected to a plurality of circular insert cylinders (34) arranged equidistantly in a circumferential manner, and the circular insert cylinders (34) are inserted into the inner wall of the first insertion hole (31); one side of the outer surface of the first annular plate (32) is fixedly connected to a plurality of circular insert rods (35), and the circular insert rods (35) can be inserted into the inner wall of the circular insert cylinders (34).

4. A deep groove ball bearing easy to maintain according to claim 1, characterized in that: First annular grooves (38) are provided on both sides of the outer surface of the bearing outer ring (1); a first annular block (310) is clamped on the inner wall of the first annular groove (38); and a first rubber stopper (311) is fixedly connected to one side of the outer surface of the first annular block (310).

5. The deep groove ball bearing easy to maintain according to claim 1, characterized in that: Second annular grooves (39) are provided on both sides of the outer surface of the bearing inner ring (2); a second annular block (312) is clamped on the inner wall of the second annular groove (39); and a second rubber stopper (313) is fixedly connected to one side of the outer surface of the second annular block (312).

6. The deep groove ball bearing easy to maintain according to claim 1, characterized in that: The dust accumulation prevention structure (4) comprises a plurality of second insertion holes (41), wherein the plurality of second insertion holes (41) are arranged on the inner wall of the bearing inner ring (2), a threaded clamping rod (42) is inserted into the inner wall of the second insertion hole (41), and one end of the threaded clamping rod (42) is threadedly connected to a fixing nut (43).

7. A deep groove ball bearing easy to maintain according to claim 6, characterized in that: A truncated cone frame (44) is fixedly connected to one side of the outer surface of the threaded clamping rod (42), and a blocking brush bristle (45) is fixedly connected to the inner wall of the small opening end of the truncated cone frame (44).

Images