CN208919067U - A kind of high-accuracy angular contact ball bearing - Google Patents

Abstract

The utility model relates to field of mechanical technique, in particular a kind of high-accuracy angular contact ball bearing, including bearing outer ring, bearing inner race, spin body, retainer, outer ring raceway, bear inner ring grooved railway and installing ring, anticollision outer layer is equipped on the outside of the bearing outer ring, and oil filler point is offered on the bearing outer ring, the inner periphery of the bearing outer ring is equipped with outer ring raceway, bearing inner race is installed on the inside of the bearing outer ring, and sealant is equipped on the inside of the bearing inner race, spin body is installed on the bearing inner race periphery, and bear inner ring grooved railway is equipped with close to spin body bottom on the excircle of the bearing inner race, spin body two sides are fixedly installed with retainer, the side of the bearing outer ring and bearing inner race symmetrically offers installation card slot, and sealing-plug is fixedly installed with by the installation card slot, installation is installed on the inside of the bearing inner race Circle.Single unit system structure is simple and convenient to operate in the utility model and bearing capacity is strong, has certain promotional value.

Description

A kind of high-accuracy angular contact ball bearing

Technical field

The utility model relates to field of mechanical technique, specially a kind of high-accuracy angular contact ball bearing.

Background technique

In mechanical equipment, bearing is widely used, thus bearing is that machinery industry applies a very wide range of element no matter It is aircraft, automobile or electric appliance etc., all be unable to do without bearing, for the needs for adapting to ultrahigh speed performance, machine tool chief axis high speed corner connection Touching ball bearing mostly uses the lubricating systems such as mist of oil, oil gas and oil spout, these lubricating systems are all by lubricating oil from bearing face Retainer and lasso gap are injected at an angle, and then are lubricated.

The contact form of spin and Internal and external cycle in general angular contact ball bearings is point contact, is easy under some conditions Friction, abrasion and spot corrosion etc. occurs, and cannot work on, especially the Hertz contact regional stress pole that is contacted with outer ring of spin Greatly, it periodically runs at high speed under effect in bearing, is easy to happen fatigue rupture, bearing service life is caused to shorten, in addition to this, Angular contact ball bearing is typically subjected to radial and axial joint load, under limited installation environment, common angular contact ball bearing Load-carrying ability is on the weak side, in the operating condition for having axial impact loading, can not well adapt to；But increase the installation space of bearing and specified Load, and limited by structure design, therefore under some working environments for having punching press load, existing angular contact ball bearing cannot It is applicable in well, and the use environment of some mechanical equipments is more severe, clast, dust are relatively more, these impurity are possible to It falls in bearing, influences the normal operation of bearing, it is serious also to destroy bearing, whole equipment damage is eventually led to, therefore, A kind of high-accuracy angular contact ball bearing is needed to make improvement to the above problem.

Utility model content

The purpose of this utility model is to provide a kind of high-accuracy angular contact ball bearings, to solve to mention in above-mentioned background technique Out the problem of.

To achieve the above object, the utility model provides the following technical solutions:

A kind of high-accuracy angular contact ball bearing, including bearing outer ring, bearing inner race, spin body, retainer, outer ring raceway, Bear inner ring grooved railway and installing ring, the bearing outer ring outside is equipped with anticollision outer layer, and offers oil filler point on the bearing outer ring, The inner periphery of the bearing outer ring is equipped with outer ring raceway, is equipped with bearing inner race, and the bearing on the inside of the bearing outer ring It is equipped with sealant on the inside of inner ring, spin body is installed on the bearing inner race periphery, and paste on the excircle of the bearing inner race Nearly spin body bottom is equipped with bear inner ring grooved railway, and spin body two sides are fixedly installed with retainer, in the bearing outer ring and bearing The side of circle symmetrically offers installation card slot, and is fixedly installed with sealing-plug by the installation card slot, in the bearing inner race Side is equipped with installing ring.

Preferably, the upper and lower ends of the spin body are matched with outer ring raceway and bear inner ring grooved railway respectively.

Preferably, the spin body is equipped with multiple groups altogether, is set in qually spaced in bearing inner race and close to the one of bearing outer ring Side.

Preferably, the conical surface is provided on the installing ring.

Preferably, wear-resisting inner layer is equipped on the inside of the bearing outer ring.

Preferably, the shape of the sealing-plug is in a ring.

Compared with prior art, the utility model has the beneficial effects that

1, in the utility model, by being equipped with the bearing outer ring of anticollision outer layer, convenient for buffering the radial load of a part, this Sample is more advantageous to increase antiwhip.

2, in the utility model, by the sealing-plug of setting, the gap between bearing inner race and bearing outer ring can be sealed It closes, prevents introduced contaminants from falling into, to influence the rotation of rolling element, while reducing the abrasion to outer ring raceway and bear inner ring grooved railway, And installed by fixed card slot, it is convenient for disassembly and assembly.

3, in the utility model, by the oil filler point of setting, in bearing operation, convenient for lubricating oil is imported into bearing Portion extends the service life that bearing uses to form hydrodynamic lubrication.

4, in the utility model, by the installing ring of setting, convenient for the installation of axis, and it is provided with the conical surface on installing ring, makes The stock removal for obtaining axis and installing ring is reduced.

5, in the utility model, single unit system structure is simple and convenient to operate and bearing capacity is strong, has certain popularization Value.

Detailed description of the invention

Fig. 1 is the utility model overall structure diagram；

Fig. 2 is that the utility model overall structure cuts open intention；

Fig. 3 is enlarged drawing at C in the utility model；

In figure: 1- bearing outer ring, 2- anticollision outer layer, 3- oil filler point, 4- bearing inner race, 5- sealant, 6- spin body, 7- are protected Hold frame, 8- outer ring raceway, 9- bear inner ring grooved railway, 10- installation card slot, 11- sealing-plug, 12- installing ring.

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 describe, it is clear that the described embodiments are only a part of the embodiments 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 Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution:

A kind of high-accuracy angular contact ball bearing, including bearing outer ring 1, bearing inner race 4, spin body 6, retainer 7, outer ring channel Road 8, bear inner ring grooved railway 9 and installing ring 12 are equipped with anticollision outer layer 2 on the outside of bearing outer ring 1, pass through the bearing for being equipped with anticollision outer layer 2 Outer ring 1 is more advantageous to increase antiwhip in this way, is equipped on the inside of bearing outer ring 1 convenient for the radial load of buffering a part Wear-resisting inner layer, and oil filler point 3 is offered on bearing outer ring 1, by the oil filler point 3 of setting, in bearing operation, convenient for that will lubricate Oil imported into Bearing inner, to form hydrodynamic lubrication, extends the service life that bearing uses, on the inner periphery of bearing outer ring 1 Equipped with outer ring raceway 8, bearing inner race 4 is installed on the inside of bearing outer ring 1, and is equipped with sealant 5 on the inside of bearing inner race 4, in bearing It encloses on 4 peripheries and spin body 6 is installed, spin body 6 is equipped with multiple groups altogether, is set in qually spaced in bearing inner race 4 and outside bearing The side of circle 1, and bear inner ring grooved railway 9, the upper and lower ends of spin body 6 are equipped with close to 6 bottom of spin body on the excircle of bearing inner race 4 It is matched respectively with outer ring raceway 8 and bear inner ring grooved railway 9,6 two sides of spin body are fixedly installed with retainer 7, bearing outer ring 1 and bearing The side of inner ring 4 symmetrically offers installation card slot 10, and is fixedly installed with sealing-plug 11 by installing card slot 10, sealing-plug 11 Shape in a ring, by the sealing-plug 11 of setting, the gap between bearing inner race 4 and bearing outer ring 1 can be closed, and prevent outer Boundary's impurity is fallen into, to influence the rotation of rolling element 6, while reducing the abrasion to outer ring raceway 8 and bear inner ring grooved railway 9, and pass through Fixed card slot 10 is installed, convenient for disassembly and assembly, and installing ring 12 is equipped on the inside of bearing inner race 4, is provided with the conical surface on installing ring 12, By the installing ring 12 of setting, convenient for the installation of axis, and it is provided with the conical surface on installing ring 12, so that the grinding of axis and installing ring 12 Amount is reduced, and single unit system structure is simple and convenient to operate and bearing capacity is strong, has certain promotional value.

Utility model workflow: before use, installing ring 12 is fixedly mounted on 4 inside of bearing inner race, it then will sealing Plug 11 is fixedly mounted on the side of bearing outer ring 1 and bearing inner race 4 by installing card slot 10, and axis is fixedly mounted on installing ring 12 insides, in use, bearing inner race 4 is rotated together with axis, bearing outer ring 1 is on bearing block, close to bearing on bearing inner race 4 When the rolling element 6 and 1 relative rotation of bearing outer ring of 1 side of outer ring, rolling element 6 is being transported along side roll in bearing outer ring 1, bearing When turning, the bearing outer ring 1 equipped with anticollision outer layer 2 is more advantageous to increases bearing in this way convenient for the radial load of buffering a part Stability, while by the sealing-plug 11 of setting, the gap between bearing inner race 4 and bearing outer ring 1 can be closed, be prevented outer Boundary's impurity is fallen into, to influence the rotation of rolling element 6, while reducing the abrasion to outer ring raceway 8 and bear inner ring grooved railway 9, except this it Outside, by the oil filler point of setting 3, in bearing operation, convenient for lubricating oil is imported into Bearing inner, to form fluid dynamic Lubrication extends the service life that bearing uses, and single unit system structure is simple and convenient to operate and bearing capacity is strong, has certain popularization Value.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of high-accuracy angular contact ball bearing, including bearing outer ring (1), bearing inner race (4), spin body (6), retainer (7), Outer ring raceway (8), bear inner ring grooved railway (9) and installing ring (12), it is characterised in that: anticollision is equipped on the outside of the bearing outer ring (1) Outer layer (2), and oil filler point (3) are offered on the bearing outer ring (1), the inner periphery of the bearing outer ring (1) is equipped with outer ring Channel (8), bearing outer ring (1) inside is equipped with bearing inner race (4), and sealant is equipped on the inside of the bearing inner race (4) (5), it is equipped with spin body (6) on bearing inner race (4) periphery, and close to spin on the excircle of the bearing inner race (4) Body (6) bottom is equipped with bear inner ring grooved railway (9), and spin body (6) two sides are fixedly installed with retainer (7), the bearing outer ring (1) Installation card slot (10) is symmetrically offered with the side of bearing inner race (4), and is fixedly installed with by the installation card slot (10) close Blocking (11), bearing inner race (4) inside are equipped with installing ring (12).

2. a kind of high-accuracy angular contact ball bearing according to claim 1, it is characterised in that: the spin body (6) it is upper Lower both ends are matched with outer ring raceway (8) and bear inner ring grooved railway (9) respectively.

3. a kind of high-accuracy angular contact ball bearing according to claim 1, it is characterised in that: the spin body (6) sets altogether There are multiple groups, is set in qually spaced in bearing inner race (4) and the side close to bearing outer ring (1).

4. a kind of high-accuracy angular contact ball bearing according to claim 1, it is characterised in that: set on the installing ring (12) It is equipped with the conical surface.

5. a kind of high-accuracy angular contact ball bearing according to claim 1, it is characterised in that: in the bearing outer ring (1) Side is equipped with wear-resisting inner layer.

6. a kind of high-accuracy angular contact ball bearing according to claim 1, it is characterised in that: the shape of the sealing-plug (11) Shape is in a ring.