CN201517561U

CN201517561U - Electric conduction bearing structure

Info

Publication number: CN201517561U
Application number: CN2009200712176U
Authority: CN
Inventors: 王伟; 赵文胜; 陈志强
Original assignee: WENZHOU C&U BEARING CO Ltd
Current assignee: WENZHOU C&U BEARING CO Ltd
Priority date: 2009-04-28
Filing date: 2009-04-28
Publication date: 2010-06-30
Anticipated expiration: 2019-04-28

Abstract

The utility model relates to an electric conduction bearing structure, which comprises an outer ring, an inner ring, a rolling body, wherein the rolling body is positioned between the outer ring and the inner ring; and the electric conduction lubricating grease is positioned between the rolling body and the inner ring. The electric conduction bearing structure has the benefit that a bearing can work for a long time without being damaged under the circumstances of current existence or static existence.

Description

The conductive bearing structure

Technical field

The utility model relates to a kind of bearing, relates in particular to a kind of conductive bearing structure.

Background technique

As seen from Figure 1: color laser printer develops through the magnetic brush development device, sub-image promptly is transformed into visible ink powder picture, through transfer area the time, under the electric field action of transfer printing electrode, ink powder just is transferred on the common paper, after preheating table and elevated temperature heat are rolled photographic fixing, promptly consolidation goes out literal and image on paper.Among the figure: power supply 10, pressure rubber roll 11, copper core 12, heating lamp 13, high-temperature electric conduction heat roll 14, bearing 15.

As seen from Figure 2: the bearing of prior art is owing to form potential difference between outer ring 1 and the inner ring 2, bearing operation process electric current can flow between outer ring 1, inner ring 2 and rolling element 3, send fire China by very thin lubricant film, the crateriform pit appears in its raceway face, further develop and to be corrugated, finally cause bearing failure.

Above-mentioned structure makes that the static that high-temperature electric conduction heat is rolled generation can't in time discharge, and can adsorb a large amount of ink powders, causes printing distortion when printing graph text information.

Summary of the invention

The utility model technical issues that need to address have provided a kind of conductive bearing structure, are intended to solve the above problems.

In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:

The utility model comprises: outer ring, inner ring and rolling element; Rolling element is between outer ring, inner ring; Between described rolling element and inner ring, also comprise one deck conductive grease.

Compared with prior art, the beneficial effects of the utility model are: can long-term work there be electric current in bearing or having the occasion of static, and is not damaged.

Description of drawings

Fig. 1 is a color laser printer magnetic brush development device structural representation in the prior art;

Fig. 2 is a conductive bearing structural representation among Fig. 1;

Fig. 3 is the utility model structural representation.

Embodiment

Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail:

As seen from Figure 3: the utility model comprises: outer ring 1, inner ring 2 and rolling element 3; Rolling element 3 is between outer ring 1, inner ring 2; Between described rolling element 3 and inner ring 2, also comprise one deck conductive grease 4.

The static that the hot rod of high-temperature electric conduction produces, inner ring through bearing arrives the outer ring again to rolling element (steel ball), inner ring between the rolling element because the conduction grease arranged, form a conduction meeting loop, bearing outer ring ground connection, the static that the electric heating rod is produced is passed the earth back through bearing like this, the high-temperature electric conduction heat of no static is rolled no ink powder absorption, ink powder can't adsorb, and the ink powder that pressure glue rod is walked transfer printing is not removed, and can keep the long-term printing of printer not produce distortion.

The utility model in order to increase the injection amount of grease, has increased the free space of bearing inside for bearing electric conductivity can fully be provided, the suitable like this steel ball number that reduced; The inner filled conductive lubricating grease of bearing avoids the resistance between rolling surface and the rolling element to produce potential difference, thereby avoids the generating technique background described unusual; (the conventional design target is the dynamic load rating maximum that makes bearing under the prerequisite of constraint conditio satisfying and suitably reduce the quantity of steel ball, and the load that the used bearing of the utility model bears is very little, therefore the dynamic load rating of bearing is not main problem, so maximum steel balls that the process of design will design reduce 2～4); The minimizing of steel ball number can increase the free space of bearing inside, so that add more conductive grease, has improved the bearing conductive stability.

Claims

1. a conductive bearing structure comprises: outer ring, inner ring and rolling element; Rolling element is between outer ring, inner ring; It is characterized in that: between described rolling element and inner ring, also comprise one deck conductive grease.