CN206918087U - Thrust bearing with cone cylindricality needle roller - Google Patents
Thrust bearing with cone cylindricality needle roller Download PDFInfo
- Publication number
- CN206918087U CN206918087U CN201720437044.XU CN201720437044U CN206918087U CN 206918087 U CN206918087 U CN 206918087U CN 201720437044 U CN201720437044 U CN 201720437044U CN 206918087 U CN206918087 U CN 206918087U
- Authority
- CN
- China
- Prior art keywords
- seat ring
- blowout patche
- needle roller
- groove
- retainer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
A kind of thrust bearing with cone cylindricality needle roller, it includes seat ring, blowout patche, retainer and multiple needle rollers, seat ring, blowout patche and retainer are in ring plate shape, seat ring, retainer and blowout patche are sequentially coaxially set, seat ring is identical with the overall diameter of blowout patche, offered and the embedding hole of needle roller quantity identical around central axis circular array on retainer, needle roller is in circular cone cylindricality, multiple needle rollers one-to-one corresponding matchings are embedded in embedding hole, and the central axis of each needle roller intersects with the central axis upright of retainer；Seat ring offers seat ring groove annular in shape and blowout patche groove respectively on side mutually corresponding with blowout patche, and the depth of seat ring groove and blowout patche groove is diametrically gradually deepened from the inside to the outside, the length of the width and needle roller of seat ring groove and blowout patche groove matches, and the convex both sides for retainer of each needle roller correspond to protrude into seat ring groove and blowout patche groove respectively.
Description
Technical field
A kind of bearing arrangement technical field is the utility model is related to, more particularly to a kind of thrust axis with cone cylindricality needle roller
Hold.
Background technology
Thrust bearing generally comprises seat ring, blowout patche, retainer and rolling element.Needle roller thrust bearing is that a kind of rolling element is
Columned thrust bearing, this rolling element are referred to as needle roller.The needle roller thrust bearing needle roller long equipped with thin, therefore axial arrangement
It is compact, there is less section, needle roller thrust bearing has higher load-taking capacity, its load-carrying ability and other type shafts
When holding identical, axial dimension is minimum, the supporting structure especially suitable for the size-constrained system of radially installed.But because needle roller is in phase
When being rolled for blowout patche and seat ring, one end stroke on needle roller positioned at bearing radial outside is more than one end of radially inner side, enters
And cause one end on cylindric needle roller corresponding to bearing radial outside to produce a certain degree of relative planar slide, influence bearing
Rotation it is smooth.Traditional thrust bearing is mostly divergence type bearing in addition, and blowout patche, seat ring can be with retainers and rolling element group
Into component separated, therefore store store when easily cause accessory lose, be unfavorable for transporting, store.
Utility model content
The purpose of this utility model is to provide a kind of thrust bearing with cone cylindricality needle roller, its technology to be solved
Problem is：When traditional needle thrust bearing between needle roller and seat ring and blowout patche due to relatively rotating, the outer end of needle roller has
A certain degree of planar slide, so as to be unfavorable for the rotation smoothness of bearing；And traditional thrust bearing is divergence type bearing,
In storage, transportation, accessory is easily lost.
In order to solve the above technical problems, the utility model provides a kind of thrust bearing with cone cylindricality needle roller, it includes
Seat ring, blowout patche, retainer and multiple needle rollers, the seat ring, blowout patche and retainer are in ring plate shape, the seat ring, holding
Frame and blowout patche are sequentially coaxially set, and the seat ring is identical with the overall diameter of blowout patche, is in around central axis on the retainer
It is in circular cone cylindricality that annular array, which is offered with the embedding hole of needle roller quantity identical, the needle roller, a pair of the multiple needle rollers 1
What should be matched is embedded in the embedding hole, and the central axis of the needle roller of each circular cone cylindricality with the retainer
Mandrel line intersects vertically, and two buses parallel with the diametric plane of the retainer on the needle roller with the retainer
Mandrel line intersects vertically；The seat ring offers seat ring groove and blowout patche annular in shape respectively on side mutually corresponding with blowout patche
Groove, the seat ring groove is coaxially corresponding with blowout patche groove, and the depth of the seat ring groove and blowout patche groove diametrically by
Interior to outer gradually to deepen, the groove bottom wall of the seat ring groove and blowout patche groove is circular conical surface, and the circular conical surface bus and radial direction
Between angle it is identical with the semiapex angle of the needle roller of circular cone cylindricality, the width of the seat ring groove and blowout patche groove and the needle roller
Length match, each convex both sides for the retainer of the needle roller correspond to protrudes into the seat ring groove and axle respectively
Enclose in groove.
It is preferable over：The axial width of the retainer is less than the gap between the seat ring and blowout patche.
It is preferable over：The edge of the interior annular distance of the blowout patche is axially convexly equipped with an insertion tube, institute to the side where the seat ring
The external diameter for stating insertion tube is less than the internal diameter of the seat ring, and radial convex is provided with locator card rib, institute on the front end outer tube wall of the insertion tube
The external diameter for stating locator card rib is more than the internal diameter of the seat ring, and the other end corresponding with the blowout patche is opened in the interior annular distance of the seat ring
Provided with the ring-type screens for the locator card rib buckle, multiple needle rollers are arranged between the blowout patche and seat ring, described to insert
Cylinder be can be inserted into the interior annular distance of the seat ring, and the locator card rib can be caught in the ring-type screens.
It is preferable over：The retainer is made up of hard plastics, and the profile in the embedding hole both ends aperture is less than the rolling
The projected outline of pin diametrically, and the hole wall indent in the embedding hole to the outline with the needle roller matches.
Compared with prior art, the beneficial effects of the utility model are：Being reached using the needle roller in circular cone cylindricality makes needle roller
When relative to seat ring and blowout patche rotation, the homogeneous counter race in both ends and blowout patche of needle roller roll, and it is smooth can effectively to lift rolling
Property, avoid abrasion and frictional dissipation；It is exactly to be inserted using the insertion tube on blowout patche in the interior annular distance of the seat ring in addition, and
Locator card rib is caught in ring-type screens, realizes the positioning to axial between counter race and blowout patche, so can ensure by blowout patche,
Seat ring, needle roller and retainer are combined into a compact entirety, will not delamination, be advantageous to transport storage.
Brief description of the drawings
Fig. 1 is axial cross section structure diagram of the present utility model.
Fig. 2 is axial sectional structure decomposing schematic representation of the present utility model.
Fig. 3 is the matching relationship structural representation of needle roller of the present utility model and seat ring.
Embodiment
Below with reference to accompanying drawing 1-3 and preferred embodiment to the utility model proposes a kind of there is cone cylindricality needle roller
Thrust axis, which is made, to be described in greater detail.
The utility model provides a kind of thrust bearing with cone cylindricality needle roller, and it includes seat ring 1, blowout patche 2, retainer 3
And multiple needle rollers 4, the seat ring 1, blowout patche 2 and retainer 3 are in ring plate shape, the seat ring 1, retainer 3 and blowout patche 2
Sequentially coaxially set, the seat ring 1 is identical with the overall diameter of blowout patche 2, and central axis circular array is surrounded on the retainer 3
It is in circular cone cylindricality to offer with the embedding hole 31 of the quantity identical of needle roller 4, the needle roller 4, multiple one-to-one corresponding of needle rollers 4
That matches somebody with somebody is embedded in the embedding hole 31, and the central axis of the needle roller 4 of each circular cone cylindricality with the retainer 3
Mandrel line intersects vertically, and two buses parallel with the diametric plane of the retainer 3 on the needle roller 4 with the retainer
Central axis upright is intersecting (see Fig. 3)；The seat ring 1 offers seat annular in shape respectively on side mutually corresponding with blowout patche 2
Groove 11 and blowout patche groove 21 are enclosed, the seat ring groove 11 is coaxially corresponding with blowout patche groove 21, and the seat ring groove 11 and axle
The depth for enclosing groove 21 is diametrically gradually deepened from the inside to the outside, and the groove bottom wall of the seat ring groove 11 and blowout patche groove 21 is
Circular conical surface, and the angle between the circular conical surface bus and radial direction is identical with the semiapex angle of the needle roller 4 of circular cone cylindricality, the seat ring ditch
The length of the width of groove 11 and blowout patche groove 21 and the needle roller 4 matches, and each needle roller 4 is convex for the holding
The both sides of frame 3 correspond to protrude into the seat ring groove 11 and blowout patche groove 21 respectively, and the axial width of the retainer 3 is less than institute
State the gap between seat ring 1 and blowout patche 2；Side axial direction projection of the edge of the interior annular distance of the blowout patche 2 to the place of seat ring 1
There is an insertion tube 22, the external diameter of the insertion tube 22 is less than the internal diameter of the seat ring 1, on the front end outer tube wall of the insertion tube 22 radially
It is convexly equipped with locator card rib 23, the external diameter of the locator card rib 23 is more than the internal diameter of the seat ring 1, in the interior annular distance of the seat ring 1
The ring-type screens 12 for the buckle of locator card rib 23 is offered with the 2 corresponding other end of blowout patche, multiple needle rollers 4 are set
It is placed between the blowout patche 2 and seat ring 1, the insertion tube 22 can be inserted into the interior annular distance of the seat ring 1, and the locator card rib 23 can
It is caught in the ring-type screens 12.
The retainer 3 is made up of hard plastics, and the profile in the embedding both ends aperture of hole 31 exists less than the needle roller 4
Projected outline radially, and the hole wall indent in the embedding hole 31 to the outline with the needle roller 4 matches.
Described in synthesis, the technical solution of the utility model can complete above-mentioned purpose of utility model with sufficiently effective, and
Structural principle of the present utility model and the principle of work and power have all sufficiently been verified in embodiment, and can reach expected work(
Effect and purpose, and embodiment of the present utility model can also enter line translation according to these principles, therefore, the utility model includes one
Cut all replacement contents in the range of being previously mentioned in claim.Any institute in present utility model application the scope of the claims
The equivalence changes of work, all within the scope of the claims of category this case application.
Claims (4)
1. a kind of thrust bearing with cone cylindricality needle roller, it includes seat ring, blowout patche, retainer and multiple needle rollers, the seat
Circle, blowout patche and retainer are in ring plate shape, and the seat ring, retainer and blowout patche are sequentially coaxially set, the seat ring and axle
The overall diameter of circle is identical, is offered on the retainer around central axis circular array embedding with the needle roller quantity identical
Hole, it is characterised in that：The needle roller is in circular cone cylindricality, and multiple needle rollers one-to-one corresponding matchings are embedded in the embedding hole,
And central axis upright of the central axis of the needle roller of each circular cone cylindricality with the retainer intersects, and the needle roller
Central axis upright of upper two buses parallel with the diametric plane of the retainer with the retainer intersects；The seat ring with
Seat ring groove annular in shape and blowout patche groove, the seat ring groove and blowout patche ditch are offered on the mutually corresponding side of blowout patche respectively
Groove is coaxially corresponded to, and the depth of the seat ring groove and blowout patche groove is diametrically gradually deepened from the inside to the outside, the seat ring ditch
The groove bottom wall of groove and blowout patche groove is circular conical surface, and the angle between the circular conical surface bus and radial direction and the needle roller of circular cone cylindricality
Semiapex angle it is identical, the length of the width and the needle roller of the seat ring groove and blowout patche groove matches, each needle roller
The convex both sides for the retainer correspond to protrude into the seat ring groove and blowout patche groove respectively.
2. the thrust bearing with cone cylindricality needle roller as claimed in claim 1, it is characterised in that：The axially thickness of the retainer
Degree is less than the gap between the seat ring and blowout patche.
3. the thrust bearing with cone cylindricality needle roller as claimed in claim 2, it is characterised in that：The interior annular distance of the blowout patche
Edge is axially convexly equipped with an insertion tube to the side where the seat ring, and the external diameter of the insertion tube is less than the internal diameter of the seat ring, institute
State radial convex on the front end outer tube wall of insertion tube and be provided with locator card rib, the external diameter of the locator card rib is more than the interior of the seat ring
Footpath, the other end corresponding with the blowout patche offers the ring-type card for the locator card rib buckle in the interior annular distance of the seat ring
Position, multiple needle rollers are arranged between the blowout patche and seat ring, and the insertion tube can be inserted into the interior annular distance of the seat ring, described
Locator card rib can be caught in the ring-type screens.
4. the thrust bearing with cone cylindricality needle roller as claimed in claim 3, it is characterised in that：The retainer is hard work
Engineering plastics are made, and the profile in the embedding hole both ends aperture is less than the projected outline of the needle roller diametrically, and the embedding hole
Hole wall indent to the outline with the needle roller matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720437044.XU CN206918087U (en) | 2017-04-21 | 2017-04-21 | Thrust bearing with cone cylindricality needle roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720437044.XU CN206918087U (en) | 2017-04-21 | 2017-04-21 | Thrust bearing with cone cylindricality needle roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206918087U true CN206918087U (en) | 2018-01-23 |
Family
ID=61305275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720437044.XU Expired - Fee Related CN206918087U (en) | 2017-04-21 | 2017-04-21 | Thrust bearing with cone cylindricality needle roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206918087U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664172A (en) * | 2020-06-15 | 2020-09-15 | 中国空气动力研究与发展中心超高速空气动力研究所 | Plane conical roller thrust bearing |
| CN113614400A (en) * | 2019-12-19 | 2021-11-05 | 铁姆肯公司 | Stacking thrust tapered dissimilar series roller bearing |
| CN114810815A (en) * | 2022-05-11 | 2022-07-29 | 邓亮国 | Improved bearing suitable for heavy-load low-speed working condition |
-
2017
- 2017-04-21 CN CN201720437044.XU patent/CN206918087U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113614400A (en) * | 2019-12-19 | 2021-11-05 | 铁姆肯公司 | Stacking thrust tapered dissimilar series roller bearing |
| CN111664172A (en) * | 2020-06-15 | 2020-09-15 | 中国空气动力研究与发展中心超高速空气动力研究所 | Plane conical roller thrust bearing |
| CN114810815A (en) * | 2022-05-11 | 2022-07-29 | 邓亮国 | Improved bearing suitable for heavy-load low-speed working condition |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180123 Termination date: 20180421 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |