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A bearing adapter sleeve with a double-layer tightening structure

An adapter sleeve and tightening technology, applied in the direction of bearings, shafts and bearings, bearing components, etc., can solve the problems of short service life of bearing adapter sleeves, fretting corrosion, etc., to extend the service life, improve stability, use low cost effect

Active Publication Date: 2022-01-14
宁波斯立福精密工业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims at the above-mentioned defects existing in the prior art, and proposes a bearing adapter sleeve with a double-layer tightening structure, which solves the problem that the existing bearing adapter sleeve is prone to fretting corrosion after long-term use. At the same time, it also solves the problem of short service life of the bearing adapter sleeve on the existing optical shaft

Method used

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  • A bearing adapter sleeve with a double-layer tightening structure
  • A bearing adapter sleeve with a double-layer tightening structure
  • A bearing adapter sleeve with a double-layer tightening structure

Examples

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Embodiment 1

[0030] A bearing adapter sleeve with a double-layer tightening structure according to an embodiment of the present invention, such as Figure 1 to Figure 6 As shown, it includes adapter sleeve body 1 and adapter inner sleeve 2, adapter sleeve body 1 includes inner sleeve locking part 8, bearing fixing part 6 and nut locking part 7, bearing fixing part 6 and nut locking part 7 Set in the outer ring of the adapter sleeve main body 1 in turn, the bearing fixing part 6 is used to sleeve the bearing 5, the nut locking part 7 is provided with a lock nut 3, and the bearing 5 is fixed on the bearing fixing part 6 through the lock nut 3 On the other hand, the inner sleeve locking part 8 is arranged at one end close to the bearing fixing part 6, and the inner sleeve locking part 8 is located in the inner ring of the main body of the adapter sleeve 1, and the inner sleeve 2 is connected with the main body of the adapter sleeve through the inner sleeve locking part 8 1 fixed installation;...

Embodiment 2

[0034] Compared with embodiment 1, in this embodiment, as image 3 , Figure 4 and Figure 5 As shown, the outer ring of the adapter sleeve 2 is a truncated cone, and the taper of the outer wall of the adapter sleeve 2 is slightly larger than the taper of the inner wall of the locking part 8 of the inner sleeve. When the adapter sleeve main body 1 and the adapter sleeve 2 are socketed Since the taper of the inner wall of the inner sleeve locking part 8 on the main body 1 of the adapter sleeve is relatively small, the inner sleeve locking part 8 has a greater pressing effect on the inner sleeve 2, so that the inner sleeve 2 and the tighter sleeve The fixation between the main body 1 of the adapter sleeve is more firm and reliable, and at the same time, the degree of tightness of the adapter inner sleeve 2 to the optical axis is increased to a certain extent, thereby improving the degree of tightness of the adapter sleeve main body 1 to the optical axis. The bearing is installe...

Embodiment 3

[0036] Compared with embodiment 1, in this embodiment, as Image 6 As shown, the locking groove 10 and each locking piece are provided with screw holes, after the locking piece is bent and engaged with the locking groove 10, the locking piece can be fixed in the locking groove 10 by screws On the other hand, the fixation strength of the lock washer 4 to the lock nut 3 is further improved by means of screw fixing, so as to ensure that the lock nut 3 will not loosen or fall off.

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Abstract

The invention discloses a bearing adapter sleeve with a double-layer tightening structure, relates to the technical field of bearing adapter sleeves, and comprises an adapter sleeve main body and an adapter inner sleeve. The adapter sleeve main body includes an inner sleeve locking portion, a bearing fixing part and nut locking part, the bearing fixing part and the nut locking part are arranged on the outer ring of the main body of the adapter sleeve in sequence, the bearing fixing part is used for setting the bearing, the nut locking part is provided with a lock nut, and through the lock nut Fix the bearing on the bearing fixing part, the locking part of the inner sleeve is set at the end close to the fixing part of the bearing, and the locking part of the inner sleeve is located in the inner ring of the main body of the adapter sleeve, and the inner sleeve is tightened through the locking part of the inner sleeve and the adapter sleeve The main body is fixedly installed; the present invention prolongs the service life of the whole through the setting of the main body of the adapter sleeve and the inner sleeve of the adapter, so that the bearing can ensure long-term high-precision operation and has more economic benefits; it also uses the retaining ring and the top ring on it The setting of the bearing adapter sleeve device on the optical axis can produce the effect similar to the bearing adapter sleeve device on the stepped shaft.

Description

technical field [0001] The invention relates to the technical field of a bearing adapter sleeve, in particular to a bearing adapter sleeve with a double-layer adapter structure. Background technique [0002] In the existing mechanical structure, the tapered sleeve bearing is widely used because of its unique structure. The tapered sleeve bearing includes a bearing and an adapter sleeve, which are used in groups. Among them, the inner hole of the bearing is designed as a tapered hole, and the adapter sleeve is installed on the cone. The static fit state of the shaft and the bearing is realized in the hole. The adapter sleeve is the most commonly used part when the bearing with a tapered hole is positioned on a cylindrical shaft, because this kind of sleeve can be used for an optical shaft or a stepped shaft; the adapter sleeve is used for It is used to position the shaft and install it inside the bearing. The adapter sleeve can realize the tight fit between the shaft and the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16C35/02
CPCF16C35/02F16C2226/16F16C2226/60
Inventor 姜忠熙
Owner 宁波斯立福精密工业有限公司
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