Adjustable novel bearing adapter sleeve

Abstract

The utility model relates to the technical field of bearing adapter sleeves, in particular to an adjustable novel bearing adapter sleeve. According to the technical scheme, the device comprises a fastening bush, the outer surface of the fastening bush is provided with a first external thread and a tightening notch, the outer surface of the fastening bush is sleeved with a first locking gasket and a sleeve, the inner wall of the sleeve is provided with a first internal thread, and the positions, close to the two ends, of the outer surface of the sleeve are provided with second external threads; a plurality of first meshing grooves are formed in the outer surface of the sleeve in an annular array at equal intervals, locking nuts and second locking washers are connected to the positions, close to the two ends, of the outer surface of the sleeve in a sleeving mode, second internal threads are arranged on the inner walls of the locking nuts, and a plurality of second meshing grooves are formed in the outer surface of the locking nuts in an annular array at equal intervals. After the bearing is fixed on the shaft through the adapter sleeve, the position of the bearing can be adjusted, so that subsequent accurate installation of the bearing is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing tight bush technology field, concretely is a new type bearing tight bush of adjustable. BACKGROUND

[0002] The bearing tight bush is the most commonly used component when the bearing is positioned on the cylindrical shaft, and is composed of a tight bushing, a locking nut and a locking washer (or a locking card), and its main functions include fixing the bearing, transmitting torque, improving transmission efficiency and facilitating the installation and disassembly of the bearing.

[0003] The current bearing has the function of adjusting the position after being fixed by the tight bush, but the position of the installed bearing is always within a certain deviation, which leads to the problem that the bearing cannot be accurately installed subsequently. UTILITY MODEL CONTENT

[0004] The utility model discloses a new type bearing tight bush of adjustable, which has the advantages of being able to adjust the position of the bearing after being fixed on the shaft by the tight bush, facilitating the subsequent accurate installation of the bearing, and solving the problem that the current bearing has the function of adjusting the position after being fixed by the tight bush, but the position of the installed bearing is always within a certain deviation, which leads to the problem that the bearing cannot be accurately installed subsequently.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a new type bearing tight bush of adjustable, comprising a tight bushing, the outer surface of the tight bushing is provided with a first outer thread and a tightening notch, the outer surface of the tight bushing is sleeved with a first locking washer and a sleeve, and the inner wall of the sleeve is provided with a first inner thread, the outer surface of the sleeve is provided with a second outer thread near both ends, the outer surface of the sleeve is provided with a plurality of first engagement grooves at equal intervals in a ring array, the outer surface of the sleeve is sleeved with a locking nut and a second locking washer near both ends, the inner wall of the locking nut is provided with a second inner thread, and the outer surface of the locking nut is provided with a plurality of second engagement grooves at equal intervals in a ring array.

[0006] Preferably, the inner wall of the first locking washer is provided with a first limiting protrusion, and the first limiting protrusion is located inside the tightening notch, which limits the rotation of the first locking washer after being inserted into the tightening notch.

[0007] Preferably, the outer surface of the first locking washer is provided with a plurality of first washer teeth at equal intervals in a ring array, which are inserted into the first engagement grooves after being bent, thereby limiting the rotation of the sleeve and locking and fixing the sleeve to avoid loosening of the sleeve.

[0008] Preferably, the second locking washer inner wall is equidistantly provided with a plurality of second limiting protrusions in annular array, and the second limiting protrusions are located inside the first engagement groove.

[0009] Preferably, the second locking washer outer surface is equidistantly provided with a plurality of second washer teeth in annular array, and the second washer teeth are inserted into the second engagement groove after being bent, thereby limiting the rotation of the locking nut and fixing the locking nut to prevent loosening of the locking nut.

[0010] Preferably, the second locking washer outer surface is provided with a wear-resistant self-lubricating coating, which can reduce the friction between the locking nut and the second locking washer when the locking nut is screwed, thereby reducing the wear between the contact surfaces of the two and saving labor when the locking nut is rotated.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1. The utility model discloses a locking nut and locking washer structure, which comprises a tight sleeve, a first locking washer, a tightening notch, a sleeve pipe, a first outer thread, a first inner thread, a second outer thread, a second inner thread, a locking nut and a locking washer.

[0013] 2. The utility model discloses a wear-resistant self-lubricating coating, which can reduce the friction between the locking nut and the second locking washer when the locking nut is screwed, thereby reducing the wear between the contact surfaces of the two and saving labor when the locking nut is rotated. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0015] Figure 2 It is a three-dimensional structure schematic view of the utility model tight bushing partial;

[0016] Figure 3 It is a three-dimensional structure schematic view of the utility model first locking washer partial;

[0017] Figure 4 It is partial three-dimensional structure schematic view of the sleeve of the utility model;

[0018] Figure 5 It is partial three-dimensional structure schematic view of the locking nut of the utility model;

[0019] Figure 6 It is partial three-dimensional structure schematic view of the second locking washer of the utility model.

[0020] Reference signs: 1, tight bushing;2, first locking washer;3, sleeve;4, locking nut;5, second locking washer;6, tight slot;7, first external thread;8, first washer tooth;9, first limiting protrusion;10, first internal thread;11, second external thread;12, first engagement groove;13, second engagement groove;14, second internal thread;15, second washer tooth;16, second limiting protrusion;17, wear-resistant self-lubricating coating. Specific implementation

[0021] The technical scheme of the utility model is further explained below in combination with the drawings and specific embodiments.

[0022] As Figures 1-6 shown, the utility model provides a new bearing tight bushing of adjustable, including tight bushing 1, tight bushing 1 outer surface is provided with first external thread 7 and tight slot 6, tight slot 6 extends to both ends of tight bushing 1, tight bushing 1 outer surface sleeve has first locking washer 2 and sleeve 3, and sleeve 3 inner wall is provided with first internal thread 10, sleeve 3 is fixed on the outer surface of tight bushing 1 through first external thread 7 and first internal thread 10, and in the process of fixing, tight slot 6 contracts, so that tight bushing 1 is fixed on the shaft, and the outer surface of sleeve 3 is provided with second external thread 11 near both ends position, and the outer surface of sleeve 3 is provided with a plurality of first engagement groove 12 in equidistant arrangement, spanner cooperates first engagement groove 12 and rotates sleeve 3.

[0023] The first locking washer 2 is provided with a first limiting protrusion 9 on the inner wall, and the first limiting protrusion 9 is located inside the tightening notch 6; the first limiting protrusion 9 is integrally formed with the first locking washer 2; after the first limiting protrusion 9 is inserted into the tightening notch 6, the rotation of the first locking washer 2 is limited; the outer surface of the first locking washer 2 is provided with a plurality of first washer teeth 8 arranged at equal intervals in a ring array; the first washer teeth 8 are integrally formed with the first locking washer 2; after the first washer teeth 8 are inserted into the first engagement groove 12, the rotation of the sleeve 3 is limited, and the sleeve 3 is locked and fixed, so that the sleeve 3 is prevented from loosening; the outer surface of the sleeve 3 is provided with the locking nut 4 and the second locking washer 5 at positions close to the two ends; the inner wall of the locking nut 4 is provided with a second inner thread 14; the outer surface of the locking nut 4 is provided with a plurality of second engagement grooves 13 arranged at equal intervals in a ring array; and the locking nut 4 is rotated by cooperation with a wrench.

[0024] The inner wall of the second locking washer 5 is provided with a plurality of second limiting protrusions 16 arranged at equal intervals in a ring array, and the second limiting protrusions 16 are located inside the first engagement groove 12; the second limiting protrusions 16 are integrally formed with the second locking washer 5; after the second limiting protrusions 16 are inserted into the first engagement groove 12, the rotation of the second locking washer 5 is limited; the outer surface of the second locking washer 5 is provided with a plurality of second washer teeth 15 arranged at equal intervals in a ring array; the second washer teeth 15 are integrally formed with the second locking washer 5; after the second washer teeth 15 are inserted into the second engagement groove 13, the rotation of the locking nut 4 is limited, and the locking nut 4 is locked and fixed, so that the locking nut 4 is prevented from loosening; the outer surface of the second locking washer 5 is provided with a wear-resistant self-lubricating coating 17; when the locking nut 4 is screwed, the wear-resistant self-lubricating coating 17 can reduce the friction between the locking nut 4 and the second locking washer 5, so as to reduce the wear between the contact surfaces of the two, and the locking nut 4 is also more labor-saving when being rotated.

[0025] In use, the locking bush 1 is sleeved on the outer surface of the shaft, the first locking washer 2 and the sleeve 3 are sleeved on the outer surface of the locking bush 1, the sleeve 3 is fixed through the first outer thread 7 and the first inner thread 10, the locking bush 1 is fixed on the outer surface of the shaft after the tightening notch 6 is contracted, then the bearing is sleeved on the outer surface of the sleeve 3, the locking nut 4 and the second locking washer 5 are sleeved on the outer surface of the bearing on the two sides of the sleeve 3, the bearing is fixed on the outer surface of the sleeve 3 through the second outer thread 11 and the second inner thread 14, and when the position of the bearing needs to be adjusted, the positions of the two locking nuts 4 can be adjusted.

[0026] The above specific embodiments are only several preferred embodiments of the utility model, and based on the technical scheme of the utility model and the related inspiration of the above embodiments, those skilled in the art can make various alternative improvements and combinations on the above specific embodiments.

Claims

1. An adjustable novel bearing tight sleeve comprising a tight bushing (1), characterized in that: The outer surface of the fastening bushing (1) is provided with a first outer thread (7) and a tightening notch (6), the outer surface of the fastening bushing (1) is sleeved with a first locking washer (2) and a sleeve (3), the inner wall of the sleeve (3) is provided with a first inner thread (10), the outer surface of the sleeve (3) is provided with a second outer thread (11) near both ends, a plurality of first engagement grooves (12) are equidistantly arranged on the outer surface of the sleeve (3) in an annular array, the outer surface of the sleeve (3) is sleeved with a locking nut (4) and a second locking washer (5) near both ends, the inner wall of the locking nut (4) is provided with a second inner thread (14), and the outer surface of the locking nut (4) is provided with a plurality of second engagement grooves (13) in an annular array.

2. The adjustable novel bearing tight sleeve according to claim 1, characterized in that: The inner wall of the first locking washer (2) is provided with a first limiting protrusion (9), and the first limiting protrusion (9) is located inside the tightening notch (6).

3. The adjustable novel bearing tight sleeve according to claim 1, wherein: The outer surface of the first locking washer (2) is provided with a plurality of first washer teeth (8) in an annular array.

4. The adjustable novel bearing tight sleeve according to claim 1, wherein: The inner wall of the second locking washer (5) is provided with a plurality of second limiting protrusions (16) in an annular array, and the second limiting protrusions (16) are located inside the first engagement grooves (12).

5. The adjustable novel bearing tight sleeve according to claim 1, wherein: The outer surface of the second locking washer (5) is provided with a plurality of second washer teeth (15) in an annular array.

6. The adjustable novel bearing tight sleeve according to claim 1, wherein: The outer surface of the second locking washer (5) is provided with a wear-resistant self-lubricating coating (17).

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