CN205689598U

CN205689598U - Novel double-row taper roll bearing

Info

Publication number: CN205689598U
Application number: CN201620675327.3U
Authority: CN
Inventors: 叶杰杰
Original assignee: Raffiner Technology Co Ltd
Current assignee: Raffiner Technology Co Ltd
Priority date: 2016-06-25
Filing date: 2016-06-25
Publication date: 2016-11-16
Anticipated expiration: 2026-06-25

Abstract

The utility model discloses a kind of Novel double-row taper roll bearing, its drip irrigation device is a kind of Novel double-row taper roll bearing, include two inner rings, the small end face of two described inner rings relatively and is mutually inserted, it is fitted with retainer ring on two described inner ring inwalls, the screw element for retainer ring being screwed it is provided with two described inner rings in described retainer ring, two are made to achieve a fixed connection between inner ring and retainer ring by screw element, compared with prior art, the mode ratio being screwed is stronger, under long mechanical shock, it is not likely to produce loosening, ensure the fastness that two inner rings connect, simultaneously, by screw element regular dismounting retainer ring and inner ring, thus the parts of bearing are safeguarded or changes.

Description

Novel double-row taper roll bearing

Technical field

This utility model relates to a kind of bearing, particularly to a kind of Novel double-row taper roll bearing.

Background technology

The outer ring of double-row conical bearing is an entirety, and two inner ring small end faces are close, and centre has the spacer ring, play to be Adjust by the thickness of spacer ring, it is also possible to the thickness of spacer ring adjusts the pre-interference of double-row conical bearing, biserial circular cone Roller bearing is widely used in the industries such as automobile, milling train, mine, metallurgy, plastics machinery, at present, most biserial circle on market Taper roller bearing in actual use, due to Bearing inner gas expansion, easily makes sealing ring in use depart from Bearing, makes bearing failure.

In order to solve the problems referred to above, in the Chinese patent document that number of patent application is " 201020504350.9 ", Describing the double-row conical bearing that a kind of strip steel plasmogamy closes the RS RunddichtringO in face, this bearing includes inner ring and outer ring, interior It is provided with retainer between circle and outer ring, retainer is provided with double-row conical, is provided with disconnected between inner ring and the end of outer ring Face is the steel skeleton of c-type, and steel skeleton is provided with RS RunddichtringO, and steel skeleton upper surface directly contacts with inner surface, makes Produce a rigidity with bearing and coordinate, it is possible to be effectively prevented from resilience and sealing ring abjection, during use, assemble inner ring, outward After circle, double-row conical, steel skeleton, RS RunddichtringO are pressed onto between inner ring and end, outer ring, by eliminating steel Rubber segments between skeleton upper end end face and bearing outer ring so that steel skeleton directly contacts with outer ring, thus create one just Property coordinate, it is to avoid rubber resilience and sealing ring abjection, thus avoid bearing and therefore lost efficacy.

Above-mentioned this double-row conical bearing and existing most of double-row conical bearing, be all by two Draw-in groove is each offered on individual inner ring, then by projection two draw-in grooves of embedding of retainer ring so that two inner rings are connected, but, axle After holding installation, long mechanical vibration are easily caused projection and are worn, thus cause retainer ring two inner rings of fixing connection Firm performance be significantly damaged.

Utility model content

It is higher that the purpose of this utility model is to provide a kind of two inner ring bonding strengths, the preferable Novel double-row of firm performance Taper roll bearing.

Above-mentioned technical purpose of the present utility model has the technical scheme that a kind of Novel double-row circular cone Roller bearing, includes two inner rings, and the small end face of two described inner rings relatively and is mutually inserted, on two described inner ring inwalls It is fitted with retainer ring, described retainer ring is provided with the screw element for retainer ring being screwed with two described inner rings.

Further, two described inner rings are provided with the first screwed hole with screw element threaded engagement.

Further, described retainer ring is provided through retainer ring inside and outside wall and with screw element threaded engagement second Screwed hole.

Further, described second screwed hole includes the dilatation mouth entering in the first screwed hole for lubricating oil.

Further, described first screwed hole is communicated with the oil filler point being through on interior ring outer wall.

Further, the drainage screen of lubricating oil in filtering oil filler point it is provided with in described oil filler point.

Further, described retainer ring integrally formed with flat key pin, two described inner rings is arranged along its axis direction Have and the cotter way of flat key pin interference fit.

Further, the external annulus of described retainer ring is provided with external screw thread, the inner peripheral wall of two described inner rings sets It is equipped with and the female thread of external screw thread threaded engagement.

Further, two described inner rings are each provided with a retainer, between two described retainers, are provided with restriction The ball of two retainer relative motioies.

In sum, this utility model have the advantages that 1, made by screw element two inner rings and retainer ring it Between achieve a fixed connection, compared with prior art, the mode ratio being screwed is stronger, under long mechanical shock, no It is easily generated loosening, has ensured the fastness that two inner rings connect, meanwhile, by screw element regular dismounting retainer ring and inner ring, from And the parts of bearing are safeguarded or changes；2, by the interference fit of flat key pin Yu cotter way, make retainer ring with two in Achieve a fixed connection between circle, further strengthen the fastness that two inner rings connect；3, place between two retainers Ball, limits two retainer relative motioies by ball, thus improves the stability that retainer is placed in bearing, reduces and protects Hold the wear intensity of frame.

Accompanying drawing explanation

Fig. 1 is the generalized section one of Novel double-row taper roll bearing in embodiment 1；

Fig. 2 is A portion enlarged diagram in Fig. 1, is used for embodying drainage screen；

Fig. 3 is the generalized section two of Novel double-row taper roll bearing in embodiment 3, is used for embodying cotter way；

Fig. 4 is Novel double-row taper roll bearing generalized section in embodiment 2.

In figure, 1, outer ring；2, inner ring；3, roller；4, retainer；5, inserting column；6, spliced eye；7, retainer ring；8, screw thread Part；9, dilatation mouth；10, the second screwed hole；11, the first screwed hole；12, oil filler point；13, drainage screen；14, cotter way；15, ball.

Detailed description of the invention

Below in conjunction with accompanying drawing, this utility model is described in further detail.

This specific embodiment is only that it is not to restriction of the present utility model, ability to explanation of the present utility model The present embodiment can be made after reading this specification by field technique personnel as required does not has the amendment of creative contribution, but As long as all being protected by Patent Law in right of the present utility model.

Embodiment 1: a kind of Novel double-row taper roll bearing, as depicted in figs. 1 and 2, including two shapes and sizes phases With inner ring 2, inner ring 2 is the round table-like of hollow, and the small end face of two inner rings 2 is relatively and grafting coordinates, and two inner rings 2 are respectively a left side Side inner ring 2 and right side inner ring 2, integrally formed with inserting column 5 on the small end face of left side inner ring 2, inserting column 5 is along the axis of inner ring 2 Side upwardly extends formation, and on the small end face of right side inner ring 2, along the axis direction of inner ring 2, depression is formed with spliced eye 6, inserting column 5 and spliced eye 6 be grafting coordinate, by both grafting coordinate, make the small end face of two inner rings 2 be mutually aligned, it is to avoid two Produce between individual inner ring 2 and offset in the radial direction；Retainer ring 7, the external loop diameter of retainer ring 7 it is fitted with on the inwall of two inner rings 2 Equal with the internal ring footpath of inner ring 2, retainer ring 7 is installed on inner ring 2, the external annulus of retainer ring 7 is tight with the internal ring wall of inner ring 2 Fit together, two inner rings 2 are provided with the first screwed hole 11, the first screwed hole 11 prolonging in the radial direction along inner ring 2 Stretching, retainer ring 7 offers the second screwed hole 10, the second screwed hole 10 runs through retainer ring 7 in the radial direction along retainer ring 7 Inside and outside wall, the quantity of the second screwed hole 10 is 4, is evenly distributed in inner ring 2, the portion of right side inner ring 2 on the left of retainer ring 7 correspondence Position, retainer ring 7 is provided with screw element 8, and screw element 8 can be screw, it is also possible to be bolt, in the present embodiment, and screw element 8 For bolt, bolt and first screwed hole the 11, second screwed hole 10 threaded engagement, bolt is passed from the inside of retainer ring 7 second Threaded with the first screwed hole 11 after screwed hole 10, make between two inner rings 2 and retainer ring 7, to realize fixing company by screw Connecing, compared with prior art, the mode ratio being screwed is stronger, under long mechanical shock, is not likely to produce loosening, protects Hinder the fastness that two inner rings 2 connect, meanwhile, by screw regular dismounting retainer ring 7 and inner ring 2, thus the portion to bearing Part is safeguarded or changes.

As depicted in figs. 1 and 2, the second screwed hole 10 includes dilatation mouth 9, and it is close that dilatation mouth 9 is positioned at the second screwed hole 10 Side within retainer ring 7, the diameter of dilatation mouth 9 is greater than the diameter of the second screwed hole 10 immediately below it, and dilatation mouth 9 is Having certain degree of depth on the axis direction of two screwed holes 10, therefore, dilatation mouth 9 has a wider expansion space, lubrication Oil first passes through dilatation mouth 9 and enters in the second screwed hole 10, then enters back in the first screwed hole 11, and dilatation mouth 9 is due to bore Wider, facilitate the injection of lubricating oil, reduce the waste that lubricating oil is unnecessary；The lower end of the first screwed hole 11 is communicated with in being through to Enclosing the oil filler point 12 on 2 outer walls, oil filler point 12 is inclined to set with the first screwed hole 11, enters into the profit in the first screwed hole 11 Lubricating oil flows in oil filler point 12, and is injected between inner ring 2 and outer ring 1, between inner ring 2 and outer ring 1 by oil filler point 12 Retainer 4, roller 3 play preferable lubricant effect, make bearing working get up more smoothly；

Oil filler point 12 is being plugged with drainage screen 13 on the inwall of inner ring 2 outer wall one end, and drainage screen 13 is in oil filler point 12 Lubricating oil play the effect of filtration, the dregs of fat contained in lubricating oil are filtered down, ensure enter into inner ring 2 and outer ring 1 it Between the lubricity of lubricating oil higher, reach preferable lubricant effect.

As shown in figures 1 and 3, integrally formed with flat key pin on the external annulus of retainer ring 7, flat key pin is along the axle of retainer ring 7 Line side upwardly extends formation, the inner peripheral wall of two inner rings 2 is provided with and the cotter way 14 of flat key pin interference fit, in this enforcement In example, cotter way 14 is made up of the cell body on the inner peripheral wall of two inner rings 2, is installed in cotter way 14 by flat key pin, passes through flat key Pin and the interference fit of cotter way 14, make to achieve a fixed connection between retainer ring 7 and two inner rings 2, flat key pin and the mistake of cotter way 14 It is full of cooperation, further strengthens the fastness that two inner rings 2 connect；

It is each provided with a retainer 4 on two inner rings 2, the two retainer 4 is both provided with roller 3, inner ring 2 and outer ring Being placed with ball 15 between 1, ball 15 is between two retainers 4 and sphere and two retainers 4 abut, and bearing is in work During work, place shakiness not due to bearing and one of them retainer 4 can be caused to be partial to another retainer 4, easily lead Cause Bearing inner fender bracket and produce unnecessary abrasion, therefore, between two retainers 4, place ball 15, by ball 15 Limit two retainer 4 relative motioies, thus improve the stability that retainer 4 is placed in bearing, reduce the abrasion of retainer 4 Degree.

Embodiment 2: a kind of Novel double-row taper roll bearing, as shown in Figure 4, difference from Example 1 is, fixing It is provided with external screw thread on the external annulus of ring 7, the inner peripheral wall of two inner rings 2 is provided with the interior spiral shell with external screw thread threaded engagement Stricture of vagina, by retainer ring 7 and the threaded engagement of two inner rings 2, it is achieved fixing between retainer ring 7 with two inner rings 2 is connected, thus Strengthen the fastness that inner ring 2 connects further, ensure the stability of bearing working.

Claims

1. a Novel double-row taper roll bearing, includes two inner rings (2), it is characterised in that: two described inner rings (2) Small end face relatively and is mutually inserted, and two described inner ring (2) inwalls are fitted with retainer ring (7), and described retainer ring (7) is upper to be arranged There is the screw element (8) for retainer ring (7) and two described inner rings (2) being screwed.

Novel double-row taper roll bearing the most according to claim 1, it is characterised in that: set on two described inner rings (2) It is equipped with the first screwed hole (11) with screw element (8) threaded engagement.

Novel double-row taper roll bearing the most according to claim 2, it is characterised in that: described retainer ring (7) is upper to be arranged Have and run through retainer ring (7) inside and outside wall and the second screwed hole (10) with screw element (8) threaded engagement.

Novel double-row taper roll bearing the most according to claim 3, it is characterised in that: described second screwed hole (10) is wrapped Include the dilatation mouth (9) entering in the first screwed hole (11) for lubricating oil.

Novel double-row taper roll bearing the most according to claim 2, it is characterised in that: described first screwed hole (11) is even It is connected with the oil filler point (12) being through on inner ring (2) outer wall.

Novel double-row taper roll bearing the most according to claim 5, it is characterised in that: arrange in described oil filler point (12) There is the drainage screen (13) of lubricating oil in filtering oil filler point (12).

Novel double-row taper roll bearing the most according to claim 1, it is characterised in that: described retainer ring (7) is along its axle Integrally formed with flat key pin on line direction, two described inner rings (2) are provided with the cotter way (14) with flat key pin interference fit.

Novel double-row taper roll bearing the most according to claim 1, it is characterised in that: the outer shroud of described retainer ring (7) It is provided with external screw thread on wall, the inner peripheral wall of two described inner rings (2) is provided with and the female thread of external screw thread threaded engagement.

Novel double-row taper roll bearing the most according to claim 1, it is characterised in that: two described inner rings (2) are upper each It is provided with a retainer (4), between two described retainers (4), is provided with the ball limiting two retainer (4) relative motioies (15)。