Looseness-free locking bearing nut assembly

Abstract

The utility model discloses a non-loosening locking bearing nut assembly, and relates to the technical field of bearing nuts. The nut comprises a nut body and a locking gasket, an annular groove is formed in the outer surface of the nut body, the interior of the annular groove is in sliding connection with the outer surface of the locking gasket, a plurality of evenly-distributed tongues are fixedly connected to the outer surface of the locking gasket, and a plurality of evenly-distributed threaded holes are formed in the outer surface of the nut body. A plurality of uniformly distributed bolt holes are formed in the outer surface of the locking gasket, fastening bolts are in threaded connection with the interiors of the threaded holes, circular gaskets are movably connected with the outer surfaces of the fastening bolts, and the outer surfaces of the fastening bolts are in sliding insertion connection with the interiors of the bolt holes; the bearing nut assembly solves the problems that when most of bearing nut assemblies are difficult to fasten any position of a bearing, the performance or the service life of the bearing is affected by adjusting the bearing clearance, and vibration generated by long-time use of most of nut bodies and the bearings possibly enables fastening bolts to be loosened, so that the bearing nut assemblies are difficult to fasten the bearing. .

Description

Technical Field

[0001] The utility model relates to the technical field of bearing nuts, in particular to a non-return loose locking bearing nut assembly. Background Art

[0002] A bearing nut is a connecting component that is usually installed on bearings and mechanical parts. It achieves the tightening and positioning of bearings by closely fitting with bearings and other parts. Bearing nuts play a vital role in mechanical equipment. They not only fix bearings, but also ensure the normal and safe operation of mechanical equipment.

[0003] The existing bearing nut assembly needs to tighten the bearing when in use. Since the nut body and the stop washer are fixed structures, it is difficult for most bearing nut assemblies to adjust the bearing clearance when tightening the bearing in any position, thereby affecting the performance and service life of the bearing. At the same time, the bearing nut assembly uses a fastening bolt to tighten and prevent loosening at any position. The vibration generated by the long-term use of the bearing may loosen the fastening bolt, causing the stop washer to loosen, making it difficult for the bearing nut assembly to tighten the bearing. Utility Model Content

[0004] In order to solve the problem that most bearing nut assemblies are difficult to adjust the bearing clearance when tightening the bearing in any position, which affects the performance or service life of the bearing, and the vibration generated by the long-term use of most nut bodies and bearings may loosen the fastening bolts, making it difficult for the bearing nut assemblies to tighten the bearing; the purpose of the utility model is to provide a non-loosening locking bearing nut assembly.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme: a non-return loose locking bearing nut assembly, comprising a nut body and a stop washer, the outer surface of the nut body is provided with an annular groove, the interior of the annular groove is slidably connected to the outer surface of the stop washer, the outer surface of the stop washer is fixedly connected with a plurality of evenly distributed tongues, the outer surface of the nut body is provided with a plurality of evenly distributed threaded holes, the outer surface of the stop washer is provided with a plurality of evenly distributed bolt holes, the interior of the threaded holes is threadedly connected with a fastening bolt, the outer surface of the fastening bolt is movably connected with a circular gasket, the outer surface of the fastening bolt is slidably plugged into the interior of the bolt hole, a limited position fixing component is arranged between the outer surface of the nut body and the outer surface of the stop washer, the interior of the threaded hole is connected with the interior of the bolt hole, the number of the threaded holes is multiple and is evenly distributed in an annular array on the outer surface of the nut body, the number of the bolt holes is multiple and is evenly distributed in an annular array on the outer surface of the stop washer, and the outer surface of the nut body is provided with a threaded groove.

[0006] Preferably, the limiting and fixing assembly includes a limiting plate, a plurality of evenly distributed first sliding grooves are formed on the outer surface of the nut body, a plurality of evenly distributed limiting grooves are formed on the outer surface of the stopping gasket, the interior of the first sliding groove is slidably connected to the outer surface of the limiting plate, the outer surface of the nut body is formed with a plurality of evenly distributed second sliding grooves, the outer surface of the limiting plate is formed with a third sliding groove, the interior of the third sliding groove is slidably connected to a fixing plate, the outer surface of the fixing plate is fixedly connected to a second spring, one end of the second spring away from the fixing plate is fixedly connected to the inner side of the third sliding groove, the outer surface of the limiting plate is fixedly connected to a first spring, one end of the first spring away from the limiting plate is fixedly connected to the inner side of the first sliding groove (9), the interior of the first sliding groove is connected to the interior of the limiting groove, and the interior of the second sliding groove (8) is connected to the interior of the third sliding groove.

[0007] Compared with the prior art, the beneficial effects of the utility model are:

[0008] 1. By arranging the linkage of the nut body, tongue, fastening bolt and stop washer, the bearing nut assembly can adjust the bearing clearance steplessly when the bearing is fastened at any position, thereby improving the performance and service life of the bearing.

[0009] 2. By setting a limit fixing component, after the fastening bolts are fixed, the limit plate can be used to enter the limit groove to fix the stop gasket for a second time, so as to prevent the vibration generated by the long-term use of the bearing from loosening the fastening bolts and the stop gasket. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0011] Figure 1 It is a schematic diagram of the overall structure proposed by the utility model;

[0012] Figure 2 for Figure 1 A schematic diagram of the structure enlargement in the middle;

[0013] Figure 3 A schematic diagram of the first angle structure of the utility model;

[0014] Figure 4 This is a schematic diagram of the second angle structure of the utility model.

[0015] In the figure: 1. nut body; 2. stop washer; 3. limit groove; 4. bolt hole; 5. circular washer; 6. fastening bolt; 7. annular groove; 8. second slide groove; 9. first slide groove; 10. first spring; 11. limit plate; 12. fixing plate; 13. second spring; 14. third slide groove; 15. tongue; 16. threaded hole; 17. threaded groove. DETAILED DESCRIPTION

[0016] 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 in 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.

[0017] Example: Figure 1-4 As shown, the utility model provides a non-return loose locking bearing nut assembly, including a nut body 1 and a stop washer 2, an annular groove 7 is provided on the outer surface of the nut body 1, the inner part of the annular groove 7 is slidably connected to the outer surface of the stop washer 2, a plurality of evenly distributed tongues 15 are fixedly connected to the outer surface of the stop washer 2, a plurality of evenly distributed threaded holes 16 are provided on the outer surface of the nut body 1, a plurality of evenly distributed bolt holes 4 are provided on the outer surface of the stop washer 2, a fastening bolt 6 is threadedly connected to the inner part of the threaded hole 16, a circular washer 5 is movably connected to the outer surface of the fastening bolt 6, the outer surface of the fastening bolt 6 is slidably plugged into the inner part of the bolt hole 4, a limited position fixing component is arranged between the outer surface of the nut body 1 and the outer surface of the stop washer 2, and a nut body 1, a stop washer 2, a bolt hole 4, a fastening bolt 6, and a tongue 15 are arranged to fix the nut body 1, the stop washer 2, the bolt hole 4, the fastening bolt 6, and the tongue 15. , threaded holes 16 and threaded grooves 17 constitute a bearing nut assembly. By arranging the nut body 1, the tongue 15, the fastening bolt 6 and the stop washer 2 in linkage, the bearing nut assembly can perform stepless adjustment of the bearing clearance when the bearing is fastened at any position. The interior of the threaded hole 16 is connected with the interior of the bolt hole 4, so that the fastening bolt 6 can be spirally passed through. There are multiple threaded holes 16 and they are evenly distributed in a circular array on the outer surface of the nut body 1, so that the threaded holes 16 and the bolt holes 4 can always correspond to each other. There are multiple bolt holes 4 and they are evenly distributed in a circular array on the outer surface of the stop washer 2, so that the rotation of the nut body 1 does not affect the connection between the threaded holes 16 and the interior of the bolt holes 4. A threaded groove 17 is provided on the outer surface of the nut body 1, so that the nut body 1 can spirally fasten the bearing.

[0018] The limiting and fixing assembly includes a limiting plate 11, a plurality of evenly distributed first slide grooves 9 are provided on the outer surface of the nut body 1, a plurality of evenly distributed limiting grooves 3 are provided on the outer surface of the stop gasket 2, the first slide groove 9 is internally slidably connected to the outer surface of the limiting plate 11, a plurality of evenly distributed second slide grooves 8 are provided on the outer surface of the nut body 1, a third slide groove 14 is provided on the outer surface of the limiting plate 11, a fixing plate 12 is slidably connected to the inner surface of the third slide groove 14, a second spring 13 is fixedly connected to the outer surface of the fixing plate 12, an end of the second spring 13 away from the fixing plate 12 is fixedly connected to the inner side of the third slide groove 14, and the outer surface of the limiting plate 11 is fixedly connected to the first spring 1 0, one end of the first spring 10 away from the limit plate 11 is fixedly connected to the inner side of the first slide groove 9. By setting the limit plate 11, after the fastening bolt 6 is fixed, the limit plate 11 can be used to enter the limit groove 3 to fix the stop gasket 2 for a second time to prevent the vibration caused by long-term use of the bearing from loosening the fastening bolt 6 and the stop gasket 2. The interior of the first slide groove 9 is connected with the interior of the limit groove 3, so that the limit plate 11 can enter the limit groove 3 to limit and fix the stop gasket 2, and the interior of the second slide groove 8 is connected with the interior of the third slide groove 14, so that the fixing plate 12 can enter the second slide groove 8 to fix the limit plate 11.

[0019] Working principle: The staff can align the thread groove 17 of the nut body 1 with the bearing and rotate it to move the nut body 1 on the bearing, and then rotate the nut body 1 to a suitable position on the bearing according to the bearing requirements. At the same time, the staff can rotate the stop washer 2 to align the multiple bolt holes 4 on the stop washer 2 with the multiple threaded holes 16 on the nut body 1, and then rotate the fastening bolts 6 into the bolt holes 4 and the threaded holes 16, so that the bearing nut assembly can adjust the bearing clearance steplessly when tightening the bearing at any position;

[0020] After rotating the fastening bolt 6 into the bolt hole 4 and the threaded hole 16 to fix the bearing, the staff can grab and move the fixing plate 12, so that the fixing plate 12 slides inward in the third slide groove 14 and squeezes the second spring 13. The second spring 13 is forced to shrink and at the same time, the limiting plate 11 is moved to slide outward in the first slide groove 9 and pull the first spring 10. The first spring 10 is forced to stretch, so that the limiting plate 11 enters the limiting groove 3 to fix the stop gasket 2, and then releases the hand holding the fixing plate 12. Under the action of the second spring 13, the fixing plate 12 slides into the second slide groove 8 to fix the limiting plate 11, so as to prevent the vibration generated by the long-term use of the bearing from loosening the fastening bolt 6 and the stop gasket 2.

[0021] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A non-return locking bearing nut assembly, comprising a nut body (1) and a stop washer (2), characterized in that: The outer surface of the nut body (1) is provided with an annular groove (7), the interior of the annular groove (7) is slidably connected to the outer surface of the stop gasket (2), the outer surface of the stop gasket (2) is fixedly connected with a plurality of evenly distributed tongues (15), the outer surface of the nut body (1) is provided with a plurality of evenly distributed threaded holes (16), the outer surface of the stop gasket (2) is provided with a plurality of evenly distributed bolt holes (4), the interior of the threaded holes (16) is threadedly connected with a fastening bolt (6), the outer surface of the fastening bolt (6) is movably connected with a circular gasket (5), the outer surface of the fastening bolt (6) is slidably plugged into the interior of the bolt hole (4), and a limited position fixing component is provided between the outer surface of the nut body (1) and the outer surface of the stop gasket (2).

2. A non-return locking bearing nut assembly as claimed in claim 1, characterized in that: The limiting and fixing assembly comprises a limiting plate (11), a plurality of evenly distributed first sliding grooves (9) are formed on the outer surface of the nut body (1), a plurality of evenly distributed limiting grooves (3) are formed on the outer surface of the stop gasket (2), the interior of the first sliding groove (9) is slidably connected to the outer surface of the limiting plate (11), a plurality of evenly distributed second sliding grooves (8) are formed on the outer surface of the nut body (1), a third sliding groove (14) is formed on the outer surface of the limiting plate (11), a fixing plate (12) is slidably connected to the interior of the third sliding groove (14), a second spring (13) is fixedly connected to the outer surface of the fixing plate (12), an end of the second spring (13) away from the fixing plate (12) is fixedly connected to the inner side of the third sliding groove (14), a first spring (10) is fixedly connected to the outer surface of the limiting plate (11), and an end of the first spring (10) away from the limiting plate (11) is fixedly connected to the inner side of the first sliding groove (9).

3. A non-return locking bearing nut assembly as claimed in claim 2, characterized in that: The interior of the first sliding groove (9) is connected to the interior of the limiting groove (3).

4. A non-return locking bearing nut assembly as claimed in claim 2, characterized in that: The interior of the second slide groove (8) is communicated with the interior of the third slide groove (14).

5. The non-return locking bearing nut assembly according to claim 1, characterized in that: The interior of the threaded hole (16) is communicated with the interior of the bolt hole (4).

6. A non-return locking bearing nut assembly as claimed in claim 1, characterized in that: The threaded holes (16) are multiple in number and are evenly distributed in a ring array on the outer surface of the nut body (1).

7. A non-return locking bearing nut assembly as claimed in claim 1, characterized in that: The bolt holes (4) are multiple in number and are evenly distributed in a ring array on the outer surface of the stop gasket (2).

8. The non-return locking bearing nut assembly according to claim 1, characterized in that: The outer surface of the nut body (1) is provided with a thread groove (17).

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