CN209654432U - A kind of mechanical equipment bearing - Google Patents

Abstract

The utility model relates to a kind of mechanical equipment bearings, it includes by inner ring, retainer, ball, the bearing body of outer ring composition, it is additionally provided with including axle sleeve, straight pin, vibration absorbing spring, clamping plate, cushion, the buffer gear of spacing collar, the axle sleeve is set in inner ring, the straight pin is mounted in the hole of inner ring after extending radially through axle sleeve, the inner ring is additionally provided with the hole for accommodating vibration absorbing spring, the clamping plate is mounted on the internal diameter of the two sides of inner ring and the clamping plate and axle sleeve is interference fitted, the spacing collar side and retainer groove type cooperate, the other side is installed in the annular groove of clamping plate, the cushion is set between annular groove and spacing collar.A kind of mechanical equipment bearing of the utility model, it can avoid the axis connected due to bearing internal external and components decentraction, shaft bending and bearing damage caused by during rotation, the vibration of absorbable bearing during rotation, can avoid retainer as vibrate it is excessive and caused by retainer damage even be broken.

Description

A kind of mechanical equipment bearing

Technical field

The utility model relates to field of mechanical technique, more particularly to a kind of mechanical equipment bearing.

Background technique

Bearing is a kind of important spare part in contemporary mechanical equipment, its major function is to support mechanical rotary body, is reduced Coefficient of friction in its motion process, and guarantee its rotating accuracy.

Traditional bearing, stablizing effect is bad, be easy to cause shaft bending and bearing damage during rotation, is easy to produce Raw vibration, when vibrating excessive, retainer, which is easily damaged, is even broken.

Utility model content

In view of the deficiencies of the prior art, the utility model provides a kind of mechanical equipment bearing.

The technical scheme adopted by the utility model to solve the technical problem is as follows:

The mechanical equipment bearing, the bearing body being assembled by inner ring, retainer, ball, outer ring, feature exist In: the bearing body is equipped with buffer gear, and the buffer gear includes axle sleeve, straight pin, vibration absorbing spring, clamping plate, buffering Pad, spacing collar, the axle sleeve and inner ring are concentrically set in the inner ring, and the axle sleeve is symmetrical equipped with radially center line The first hole of multiple groups, it is symmetrical corresponding more with the first hole described in every group to be respectively equipped with radially center on the inside of the inner ring The second hole of group, is additionally provided with the symmetrical multiple third holes in radially center on the inside of the inner ring, and the one of multiple straight pins End is set in the first hole, and the other end is set in the second hole, the bottom hole in vibration absorbing spring one end connection third hole, the other end and axis The outer wall of set abuts, and the plywood sleeve is set to the both ends of axle sleeve, and the end face of the clamping plate is equipped with and abuts with the inner ring side Boss, the annular groove opposite with the retainer, the spacing collar side and retainer groove are additionally provided on the clamping plate Formula cooperation, the other side are set in annular groove, and the cushion is set between annular groove and spacing collar.

In a kind of preferred embodiment of mechanical equipment bearing provided by the utility model, the clamping plate and axle sleeve are used Interference fit installation, and the internal diameter of the clamping plate is less than the internal diameter of inner ring.

In a kind of preferred embodiment of mechanical equipment bearing provided by the utility model, first hole, the second hole At least provided with 3 groups, and the third hole is at least provided with three.

In a kind of preferred embodiment of mechanical equipment bearing provided by the utility model, the first hole described in described every group Including two for being set side by side or being arranged in a staggered manner.

In a kind of preferred embodiment of mechanical equipment bearing provided by the utility model, the end face of the straight pin is heavy Enter in first hole.

In a kind of preferred embodiment of mechanical equipment bearing provided by the utility model, the straight pin and the first hole It using interference fit or is threadedly coupled, the straight pin is gap-matched with the second hole.

In a kind of preferred embodiment of mechanical equipment bearing provided by the utility model, described in the straight pin distance The distance of the bottom hole in the second hole is not less than the difference in internal diameters of the clamping plate and inner ring.

Compared with prior art, the beneficial effect of mechanical equipment provided by the utility model bearing is: the utility model By using vibration absorbing spring, it can absorb the vibration of bearing during rotation；By in the second bottom hole of the straight pin and inner ring Between, between the inner ring internal diameter and axle sleeve outer diameter buffer gap is set, can avoid two parts of bearing internal external connection due to not Vibration caused by with one heart, to cause shaft bending and bearing damage；By setting spacing collar and cushion, retainer can be limited Vibrate it is excessive, can absorb retainer vibration, can avoid retainer as vibrate or vibrate it is excessive caused by retainer damage very To fracture.

Detailed description of the invention

It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Obtain other attached drawings, in which:

Fig. 1 is the structural schematic diagram of mechanical equipment bearing provided by the utility model.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work All other embodiment obtained, fall within the protection scope of the utility model.

Referring to Fig. 1, the mechanical equipment bearing, including assembled by inner ring 21, retainer 22, ball 23, outer ring 24 Made of bearing body 2, the bearing body 2 be equipped with buffer gear 1, the buffer gear 1 include axle sleeve 11, straight pin 12, vibration absorbing spring 13, clamping plate 14, cushion 15, spacing collar 16, the axle sleeve 11 are concentrically set to the inner ring 21 with inner ring 21 It is interior, and the axle sleeve 11 is equipped with radially symmetrical the first hole of multiple groups 111 in center, is respectively equipped with edge on the inside of the inner ring 21 Symmetrical the second hole of multiple groups 211 corresponding with the first hole 111 described in every group of radial center, the inside of the inner ring 21 is also set There are the symmetrical multiple third holes 212 of radial center, one end of multiple straight pins 12 is set in the first hole 111, the other end In the second hole 211, the bottom hole in 13 one end of vibration absorbing spring connection third hole 212, the outer wall of the other end and axle sleeve 11 is supported It connects, the clamping plate 14 is sheathed on the both ends of axle sleeve 11, and the end face of the clamping plate 14 is equipped with and to abut with 21 side of inner ring Boss 141, is additionally provided with the annular groove 142 opposite with the retainer 22 on the clamping plate 14,16 side of spacing collar with The cooperation of 22 groove type of retainer, the other side are set in annular groove 142, and the cushion 15 is set to annular groove 142 and limit Between circle 16, which is used to absorb the vibration of the generation of retainer 22.

The clamping plate 14 is installed with axle sleeve 11 using that can obtain the interference fit being fastenedly connected, and the clamping plate 14 is interior Diameter is less than the internal diameter of inner ring 21, which can make have gap between 11 outer diameter of the inner ring 21 and axle sleeve, can avoid bearing internal external Two parts of connection are vibrated due to caused by decentraction, to cause shaft bending and bearing damage.

First hole 111, the second hole 211 are at least provided with 3 groups, and the third hole 212 is at least provided with three.

First hole 111 described in every group includes two for being set side by side or being arranged in a staggered manner.

The end face of the straight pin 12 is sunk in first hole 111, and the aperture deburring processing in the first hole 111, is prevented Only influence the installation of shaft.

The straight pin 12 using interference fit or is threadedly coupled with the first hole 111, and the straight pin 12 can be prevented to be loaded into After drop out, the straight pin 12 is gap-matched with the second hole 211, does not influence buffer function.

The distance of bottom hole of the straight pin 12 apart from second hole 211 is not less than in the clamping plate 14 and inner ring 21 Diameter is poor, the design can guarantee the axle sleeve 11 radiai adjustment distance will not because of straight pin 12 presence and reduce.

The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all Using equivalent structure or equivalent flow shift made by the utility model description, it is applied directly or indirectly in other phases The technical field of pass similarly includes within the scope of patent protection of the utility model.

Claims (7)

1. a kind of mechanical equipment bearing, including the bearing body being assembled by inner ring, retainer, ball, outer ring, feature Be: the bearing body is equipped with buffer gear, and the buffer gear includes axle sleeve, straight pin, vibration absorbing spring, clamping plate, delays Punching pad, spacing collar, the axle sleeve and inner ring are concentrically set in the inner ring, and the axle sleeve is equipped with radially center line pair The first hole of multiple groups of title, it is symmetrical corresponding with the first hole described in every group that the inner ring inside is respectively equipped with radially center The second hole of multiple groups, is additionally provided with the symmetrical multiple third holes of radial center on the inside of the inner ring, and the one of multiple straight pins End is set in the first hole, and the other end is set in the second hole, the bottom hole in vibration absorbing spring one end connection third hole, the other end and axis The outer wall of set abuts, and the plywood sleeve is set to the both ends of axle sleeve, and the end face of the clamping plate is equipped with and abuts with the inner ring side Boss, the annular groove opposite with the retainer, the spacing collar side and retainer groove are additionally provided on the clamping plate Formula cooperation, the other side are set in annular groove, and the cushion is set between annular groove and spacing collar.

2. mechanical equipment bearing according to claim 1, it is characterised in that: the clamping plate and axle sleeve are using interference fit Installation, and the internal diameter of the clamping plate is less than the internal diameter of inner ring.

3. mechanical equipment bearing according to claim 1, it is characterised in that: first hole, the second hole are at least set There are 3 groups, and the third hole is at least provided with three.

4. mechanical equipment bearing according to claim 1 or 3, it is characterised in that: the first hole described in every group includes arranged side by side Two for being arranged or being arranged in a staggered manner.

5. mechanical equipment bearing according to claim 1, it is characterised in that: the end face of the straight pin sinks to described In one hole.

6. mechanical equipment bearing according to claim 1 or 5, it is characterised in that: the straight pin and the first hole use Interference fit is threadedly coupled, and the straight pin is gap-matched with the second hole.

7. mechanical equipment bearing according to claim 2, it is characterised in that: the straight pin is apart from second hole The distance of bottom hole is not less than the difference in internal diameters of the clamping plate and inner ring.