CN208578860U - A kind of automobile gearbox tapered roller bearing being easily installed - Google Patents

Abstract

A kind of automobile gearbox tapered roller bearing being easily installed, it is related to a kind of automobile variable speed axle box bearing, uniform intervals are equipped with multiple groove bodies (7) on interior ring outer wall (5), taper roller (4) are respectively set in the multiple groove body (7), it is external that the sub-fraction of taper roller (4) is located at groove body (7), cone A(11) a part be against half-conical slot B(8) in, cone B(17) a part be against half-conical slot A(6) in, the outer ring inner wall (3) of outer ring (2) is covered in the outside of multiple spaced taper rollers (4)；The utility model eliminates retainer, since taper roller is embedded in the groove body that inner ring is equipped with using spring, plays convenient for the purpose of bearing maintenance and taper roller replacement by the way that taper roller to be set up directly on inner ring.

Description

A kind of automobile gearbox tapered roller bearing being easily installed

[technical field]

The utility model relates to a kind of automobile variable speed axle box bearings, use more particularly, to a kind of automobile gearbox being easily installed Tapered roller bearing.

[background technique]

Bearing is one of contemporary mechanical equipment important spare part, its major function is to support mechanical rotary body, drop Coefficient of friction in its low motion process, and guarantee its rotating accuracy；Gearbox bearing is mainly used for improving gearbox inner shaft Rotational efficienty reduces rolling resistance, frictional resistance.Tapered roller bearing is in assembling process, traditional tapered roller bearing one As all taper roller is limited on the inner ring of bearing by retainer, but retainer is during the installation process, needs to use dedicated Fixture, and install after be not easy to remove, by force remove will cause scrapping for tapered roller bearing, tapered roller bearing use In the process, the abrasion of a taper roller will lead to replace entire tapered roller bearing, and the economic benefit is not high, automobile variable speed Case is high-accuracy equipment, it is not only difficult to remove entire bearing, and more waste.

[summary of the invention]

In order to overcome the shortcomings in the background art, the utility model discloses a kind of automobile gearbox circular cone being easily installed Roller bearing eliminates retainer, since taper roller is inlayed using spring by the way that taper roller to be set up directly on inner ring In the groove body that inner ring is equipped with, play convenient for the purpose of bearing maintenance and taper roller replacement.

In order to realize the goal of the invention, the utility model adopts the following technical solution:

A kind of automobile gearbox tapered roller bearing being easily installed, including outer ring, taper roller and inner ring, outer ring Outer ring inner wall is side Kuo Jing other side necking down, and the interior ring outer wall of inner ring is side Kuo Jing other side necking down, on interior ring outer wall Uniform intervals are equipped with multiple groove bodies, and groove body is side Kuo Jing other side necking down, and the necking down side of groove body is located at the contracting of interior ring outer wall Neck end, the expansion neck side of groove body are located at the expansion neck end of interior ring outer wall, are equipped with center at the necking down end of groove body and are located at groove body notch one The half-conical slot B of side is equipped with the half-conical slot A that center is located at groove body notch side at the expansion neck end of groove body, and the slot bottom of groove body is Arcuate structure, taper roller are side Kuo Jing other side necking down, and taper roller includes roll body A, roll body B and spring, roll body A's Necking down end is equipped with cone A, is equipped with inserting column at the expansion neck end of roll body A, annular groove is equipped in the end of inserting column, at the expansion neck end of roll body B Equipped with cone B, it is equipped with slot at the necking down end of roll body B, inserting column protrudes into slot, and one end of spring is socketed in annular groove, spring The end of one end is against the slot bottom of annular groove, and the other end of spring stretches out annular groove, and the end of the spring other end is against the slot bottom of slot, Taper roller is respectively set in the multiple groove body, the sub-fraction of taper roller is located at outside groove body, a part of cone A It is against in half-conical slot B, a part of cone B is against in half-conical slot A, and the outer ring inner wall sleeve of outer ring is multiple spaced The outside of taper roller.

The automobile gearbox tapered roller bearing being easily installed, groove body expand the width of neck end opening slightly larger than circle The diameter that roller expands neck end is bored, the width of groove body necking down end opening is slightly larger than the diameter at taper roller necking down end.

The automobile gearbox tapered roller bearing being easily installed, inserting column and slot are the structure that matches, inserting column After being fully inserted into slot, the distance of the cone of the cone of cone A to cone B is slightly less than the length of groove body opening.

The automobile gearbox tapered roller bearing being easily installed, the outer ring outer wall of outer ring are ring plain knot Structure.

The automobile gearbox tapered roller bearing being easily installed, at the outer ring outer wall of outer ring and the both ends of outer ring Chamfered transition is set as between face.

The automobile gearbox tapered roller bearing being easily installed, the inner ring inner wall of inner ring are ring plain knot Structure.

The automobile gearbox tapered roller bearing being easily installed, at the inner ring inner wall of inner ring and the both ends of inner ring Chamfered transition is set as between face.

By adopting the above-described technical solution, the utility model has the following beneficial effects:

The automobile gearbox tapered roller bearing described in the utility model being easily installed, by the way that taper roller is direct It is arranged on inner ring, eliminates retainer, since taper roller is embedded in the groove body that inner ring is equipped with using spring, play The purpose replaced convenient for bearing maintenance and taper roller；It is the utility model is designed reasonably, practical, energy-saving, effectively Ground extends the service life of bearing, there is very big market popularization value.

[Detailed description of the invention]

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the outer ring structure schematic diagram of the utility model；

Fig. 3 is the inner ring structure schematic diagram of the utility model；

Fig. 4 is the taper roller structural schematic diagram of the utility model；

Fig. 5 is the roll body B structure schematic diagram of the utility model；

Fig. 6 is the taper roller of the utility model and the cross-sectional view of groove body cooperation；

Fig. 7 is the taper roller and groove body fit structure schematic diagram of the utility model.

In figure: 1, outer ring outer wall；2, outer ring；3, outer ring inner wall；4, taper roller；5, interior ring outer wall；6, half-conical slot A； 7, groove body；8, half-conical slot B；9, inner ring；10, inner ring inner wall；11, cone A；12, roll body A；13, inserting column；14, annular groove；15, bullet Spring；16, roll body B；17, cone B；18, slot.

[specific embodiment]

The utility model can be explained in more detail by the following examples, the utility model is not limited to following Embodiment, open the purpose of this utility model are intended to protect all changes and improvements in the scope of the utility model；

The automobile gearbox tapered roller bearing being easily installed in conjunction with described in attached drawing 1~7, including outer ring 2, circular cone rolling Son 4 and inner ring 9, the outer ring inner wall 3 of outer ring 2 are side Kuo Jing other side necking down, and the outer ring outer wall 1 of outer ring 2 is ring plain knot Structure, is set as chamfered transition between the outer ring outer wall 1 of outer ring 2 and the both ends of the surface of outer ring 2, and the inner ring inner wall 10 of inner ring 9 is ring Shape planar structure, is set as chamfered transition between the inner ring inner wall 10 of inner ring 9 and the both ends of the surface of inner ring 9, outside the inner ring of inner ring 9 Wall 5 is side Kuo Jing other side necking down, and uniform intervals are equipped with multiple groove bodies 7 on interior ring outer wall 5, and groove body 7 is that side expansion neck is another Side necking down, the necking down side of groove body 7 are located at the necking down end of interior ring outer wall 5, and the expansion neck side of groove body 7 is located at interior ring outer wall 5 Expand neck end, is equipped with the half-conical slot B8 that center is located at 7 notch side of groove body at the necking down end of groove body 7, is set at the expansion neck end of groove body 7 There is center to be located at the half-conical slot A6 of 7 notch side of groove body, the slot bottom of groove body 7 is arcuate structure, and taper roller 4 is that neck is expanded in side Other side necking down, taper roller 4 include roll body A12, roll body B16 and spring 15, are equipped with cone A11 at the necking down end of roll body A12, It is equipped with inserting column 13 at the expansion neck end of roll body A12, is equipped with annular groove 14 in the end of inserting column 13, is equipped with cone at the expansion neck end of roll body B16 Body B17 is equipped with slot 18 at the necking down end of roll body B16, and inserting column 13 protrudes into slot 18, and one end of spring 15 is socketed in annular groove 14 Interior, the end of 15 one end of spring is against the slot bottom of annular groove 14, and the other end of spring 15 stretches out annular groove 14, the end of 15 other end of spring Portion is against the slot bottom of slot 18, and taper roller 4 is respectively set in the multiple groove body 7, and the sub-fraction of taper roller 4 is located at Outside groove body 7, a part of cone A11 is against in half-conical slot B8, and a part of cone B17 is against in half-conical slot A6, slot The width that body 7 expands neck end opening expands the diameter at neck end slightly larger than taper roller 4, and the width of 7 necking down end opening of groove body is slightly larger than circle The diameter at 4 necking down end of roller is bored, inserting column 13 and slot 18 are match structure, after inserting column 13 is fully inserted into slot 18, cone A11 Cone to cone B17 cone distance be slightly less than groove body 7 opening length, 3 sets of outer ring inner wall of outer ring 2 are at multiple intervals The outside of the taper roller 4 of arrangement.

Implement the automobile gearbox tapered roller bearing described in the utility model being easily installed, in use, in inner ring 9 Interior ring outer wall 5 on and the multiple groove bodies 7 that are equipped with of interior ring outer wall 5 in smear suitable bearing oil respectively, will be with 7 quantity of groove body The taper roller 4 to match is respectively charged into, and when being packed into taper roller 4, first one end of spring 15 is extend into annular groove 14, then 18 sets of slot that roll body B16 is equipped with clutch the both ends of roll body A12 and roll body B16 on inserting column 13, make spring 15 by squeezing The roll body A12 clutched and roll body B16 is packed into groove body 7 by pressure, and the elasticity of spring 15 is released, and a part of cone A11 is supported In half-conical slot B8, a part of cone B17 is against in half-conical slot A6, will after being packed into whole taper rollers 4 Outer ring 2 can be used in the outer cover of multiple spaced taper rollers 4.

The non-detailed portion of the utility model is the prior art.

Claims (7)

1. a kind of automobile gearbox tapered roller bearing being easily installed, including outer ring (2), taper roller (4) and inner ring (9), it is characterized in that: the outer ring inner wall (3) of outer ring (2) is side Kuo Jing other side necking down, the interior ring outer wall (5) of inner ring (9) is The side other side Kuo Jing necking down, uniform intervals are equipped with multiple groove bodies (7) on interior ring outer wall (5), and groove body (7) is that side expansion neck is another Side necking down, the necking down side of groove body (7) are located at the necking down end of interior ring outer wall (5), and the expansion neck side of groove body (7) is located at outside inner ring The expansion neck end of wall (5) is equipped with the half-conical slot B(8 that center is located at groove body (7) notch side at the necking down end of groove body (7)), in slot The expansion neck end of body (7) is equipped with the half-conical slot A(6 that center is located at groove body (7) notch side), the slot bottom of groove body (7) is arc knot Structure, taper roller (4) are side Kuo Jing other side necking down, and taper roller (4) includes roll body A(12), roll body B(16) and spring (15), cone A(11 is equipped at the necking down end of roll body A(12)), inserting column (13) are equipped at the expansion neck end of roll body A(12), in inserting column (13) end is equipped with annular groove (14), is equipped with cone B(17 at the expansion neck end of roll body B(16)), it is set at the necking down end of roll body B(16) Have slot (18), inserting column (13) protrudes into slot (18), and one end of spring (15) is socketed in annular groove (14), spring (15) one end End be against the slot bottoms of annular groove (14), the other end of spring (15) stretches out annular groove (14), and the end of spring (15) other end is supported Slot bottom in slot (18) is respectively set taper roller (4), the sub-fraction of taper roller (4) in the multiple groove body (7) External, the cone A(11 positioned at groove body (7)) a part be against half-conical slot B(8) in, cone B(17) a part be against semicircle Bore slot A(6) in, the outer ring inner wall (3) of outer ring (2) is covered in the outside of multiple spaced taper rollers (4).

2. the automobile gearbox tapered roller bearing according to claim 1 being easily installed, it is characterized in that: groove body (7) The width for expanding neck end opening expands the diameter at neck end slightly larger than taper roller (4), and the width of groove body (7) necking down end opening is slightly larger than circle Bore the diameter at roller (4) necking down end.

3. the automobile gearbox tapered roller bearing according to claim 1 being easily installed, it is characterized in that: inserting column (13) Be match structure, after inserting column (13) is fully inserted into slot (18), cone A(11 with slot (18)) cone to cone B(17) Cone distance be slightly less than groove body (7) opening length.

4. the automobile gearbox tapered roller bearing according to claim 1 being easily installed, it is characterized in that: outer ring (2) Outer ring outer wall (1) be ring plain structure.

5. the automobile gearbox tapered roller bearing according to claim 4 being easily installed, it is characterized in that: in outer ring (2) chamfered transition is set as between the both ends of the surface of outer ring outer wall (1) and outer ring (2).

6. the automobile gearbox tapered roller bearing according to claim 1 being easily installed, it is characterized in that: inner ring (9) Inner ring inner wall (10) be ring plain structure.

7. the automobile gearbox tapered roller bearing according to claim 6 being easily installed, it is characterized in that: in inner ring (9) chamfered transition is set as between the both ends of the surface of inner ring inner wall (10) and inner ring (9).