CN204175799U - A kind of thrust-bearing plastic cage - Google Patents
A kind of thrust-bearing plastic cage Download PDFInfo
- Publication number
- CN204175799U CN204175799U CN201420406663.9U CN201420406663U CN204175799U CN 204175799 U CN204175799 U CN 204175799U CN 201420406663 U CN201420406663 U CN 201420406663U CN 204175799 U CN204175799 U CN 204175799U
- Authority
- CN
- China
- Prior art keywords
- supporting post
- bearing
- rolling element
- thrust
- plastic cage
- 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
Links
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a kind of thrust-bearing plastic cage, aim to provide one and conveniently rolling element is installed, rolling element can be stably fixed on retainer, reduce rubbing contact area simultaneously, increase work efficiency and the thrust-bearing plastic cage in working life, its drip irrigation device is a kind of thrust-bearing plastic cage, comprise retainer body, retainer body by rolling element respectively with trim ring on bearing, bearing lower clamping ring is in transmission connection, retainer body is provided with pocket hole, pocket hole is distributed on retainer body ringwise, pocket is provided with elastic connection structure in hole, elastic connection structure comprises arc joint, guiding fillet and elastic support portion, by above structural design, when rolling element is arranged on retainer, guiding fillet and elastic support portion can simplify installation difficulty, elastic support portion and arc joint ensure that adaptation is stably connected, and effectively reduce rubbing contact area, improve working efficiency and the working life of bearing.
Description
Technical field
The utility model relates to technical field of bearings, and more particularly, it relates to a kind of thrust-bearing plastic cage.
Background technique
Retainer, i.e. retainer, also known as bearing cage, refer to partly wrap up all or part of rolling element, and the bearing parts thereupon moved, in order to separation roller, usually also guide rolling element and hold it in bearing, rolling bearing operationally, cause bearing heating and wearing and tearing due to sliding friction, especially under high temperature operation condition, the effect of inertial centrifugal force exacerbates friction, wearing and tearing and heating, retainer can be caused time serious to burn or fracture, cause bearing cisco unity malfunction, therefore, require that the material of retainer is except having some strength, also necessary thermal conductivity is good, friction factor is little, wear resistance is good, impact toughness is strong, density less and linear expansion coefficient and rolling element are close, in prior art, adopt the shaping retainer body of polyamide nylon injection molding, because polyamide nylon density is low, good springiness, there is the damping capacity of good rolling, molding and forming can obtain any required form, machining accuracy is high, can rolling element be guided better to move when bearing runs up, beat little, bearing temperature rise is low, be applicable to high-speed bearing, also there is not the problem that acute angle easily appears in iron retainer pocket bore edges in Nylon retainer, and then be conducive to the reasonable layout of lubricating grease in bearing bore, significantly improve bearing life.
At present, application number on market be 201020686285.6 Chinese patent disclose a kind of Novel bidirectional tapered roller thrust, comprise and keep stand and supporting retainer lid, described maintenance stand is provided with the groove of the wrapped up bearing roller coincide with bearing roller, described maintenance stand and retainer lid are wrapped in bearing element external body, attachment hole is provided with in described maintenance stand and in retainer lid, and the attachment hole consistent size in described maintenance stand and retainer lid, attachment hole in described maintenance stand and the attachment hole consistent size in retainer lid, and cooperatively interact, in the attachment hole of described maintenance stand and retainer lid, cylindrical pins is installed.
Although the utility model retainer fundamentally solves dual thrust tapered roller bearing retainer structure Problems existing under prior art, and the utility model retainer is easy to process, assembling is simple, improve manufacturing efficiency, reduce cost of production, extend bearing life, but this retainer installation process is comparatively complicated, and do not accomplish to reduce the area of contact between rolling element and retainer, larger surface friction drag is still there is between rolling element and retainer, add both difficulty in relative rotation, reduce working efficiency and the working life of bearing.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is to provide one conveniently to install rolling element, and rolling element can be stably fixed on retainer, realize reducing the rubbing contact area of rolling element and retainer simultaneously by the architecture advances in pocket hole, increase work efficiency and the thrust-bearing plastic cage in working life.
For achieving the above object, the utility model provides following technological scheme: a kind of thrust-bearing plastic cage, comprise retainer body, described retainer body offers pocket hole, described pocket hole is distributed on described retainer body ringwise, described retainer body is in transmission connection by described pocket hole and described rolling element, it is characterized in that: in described pocket hole, be provided with elastic connection structure, described elastic connection structure is provided with joint, guide portion and elastic support portion, described joint comprises lug boss and groove part.
Compared with prior art, the utility model has the advantage of: by adopting the shaping retainer body of polyamide nylon injection molding, because polyamide nylon density is low, good springiness, there is the damping capacity of good rolling, molding and forming can obtain any required form, machining accuracy is high, can rolling element be guided better to move when bearing runs up, beat little, bearing temperature rise is low, be applicable to high-speed bearing, also there is not the problem that acute angle easily appears in iron retainer pocket bore edges in Nylon retainer, and then be conducive to the reasonable layout of lubricating grease in bearing bore, significantly improve bearing life, and retainer body and pocket hole structure are integrated injection moldings, simplify the assembling difficulty of bearing, be conducive to facilitating the installation of bearing to connect, in pocket hole, integrated injection molding goes out elastic connection structure, the high elasticity feature that make use of nylon material itself realizes the function of elasticity connection, further simplify installation difficulty and difficulty of processing, improve manufacturing efficiency, on elastic connection structure, be provided with joint simultaneously, guide portion and elastic support portion, joint comprises lug boss and groove part conveniently installs rolling element to realize, and rolling element can be stably fixed on retainer, realize by the architecture advances in pocket hole the rubbing contact area reducing rolling element and retainer simultaneously, increase work efficiency and working life.
The utility model is set to further: described elastic connection structure is provided with four supporting posts, four described supporting posts and corresponding pocket hole radially be arranged in parallel, and described supporting post comprises the first supporting post, the second supporting post, the 3rd supporting post and the 4th supporting post.
Compared with prior art, the utility model has the advantage of: by being provided with four supporting posts on elastic connection structure, four supporting posts and corresponding pocket hole radially be arranged in parallel, rolling element can be clamped by the supporting post of parallel correspondence between two, ensure the validity of the stability that roll piece connects and rotation simultaneously.
The utility model is set to further: be provided with elastic support portion between described supporting post and described pocket hole sidewall radially, described elastic support portion is set to concave through grooves.
Compared with prior art, the utility model has the advantage of: by elastic support portion being set to the concave through grooves between supporting post and pocket hole sidewall radially, the elastic gap of concave through grooves can be utilized, realize can being out of shape by elasticity recovery of nylon material, squeezing roll kinetoplast, make rolling element load retainer body smoothly, thereafter the resilience of elastic support portion, rolling element is firmly fixed on retainer body.
The utility model is set to further: described pocket hole and described supporting post are that mutual side connected vertically is provided with lug boss, and described lug boss is set to arc convex.
Compared with prior art, the utility model has the advantage of: by lug boss being set to be the arc convex on mutual side connected vertically in pocket hole and supporting post, can after rolling element loads pocket hole, rubbing contact area between effective minimizing rolling element and retainer body, improve the rotational efficienty of rolling element, improve the working efficiency of bearing.
The utility model is set to further: the opposing side of the first described supporting post and described second supporting post is provided with groove part, described groove part is set to arc groove, the opposing side of described 3rd supporting post and described 4th supporting post is also provided with groove part, described groove part is set to arc groove, described arc groove and described rolling element adaptation.
Compared with prior art, the utility model has the advantage of: by groove part is set on the opposing side of the first supporting post and the second supporting post and the 3rd supporting post and the 4th supporting post with the arc groove of rolling element adaptation, ensure that rolling element can stably be fixed between two supporting posts, and then improve rolling element ground connective stability, ensure the service behaviour of bearing.
The utility model is set to further: the opposing side of the first described supporting post and described 3rd supporting post is provided with groove, and the opposing side of described second supporting post and described 4th supporting post is also provided with groove.
Compared with prior art, the utility model has the advantage of: by being provided with groove on the opposing side of the first supporting post and the 3rd supporting post and the second supporting post and the 4th supporting post, effectively can reduce the rubbing contact area of rolling element and side, pocket hole, thus improve the rotational efficienty of rolling element, improve the working efficiency of bearing.
The utility model is set to further: described supporting post is provided with guide portion along on the upper side of described retainer body axial direction setting and downside, and described guide portion is set to fillet structure.
Compared with prior art, the utility model has the advantage of: by guide portion being set on supporting post along the fillet structure on the upper side of described retainer body axial direction setting and downside, can realize when rolling element loads two sides in the supporting post be oppositely arranged, install by guide portion is convenient, simplify difficulty, increase work efficiency, and ensure that rolling element can stably be installed on the support columns, improve service behaviour and the working life of bearing.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model thrust-bearing plastic cage;
Fig. 2 is the front view of the utility model thrust-bearing plastic cage;
Fig. 3 is the amplification view in A-A direction in Fig. 2;
Fig. 4 is the enlarged partial sectional view in B-B direction in Fig. 2.
Reference character: 1, retainer body; 2, pocket hole; 3, joint; 3.1, lug boss; 3.2, groove part; 4, guide portion; 5, elastic support portion; 6, the first supporting post; 7, the second supporting post; 8, the 3rd supporting post; 9, the 4th supporting post; 10. groove.
Embodiment
Referring to figs. 1 through Fig. 4, the embodiment of a kind of thrust-bearing plastic cage of the utility model is described further.
A kind of thrust-bearing plastic cage, comprise retainer body 1, retainer body 1 adopts polyamide nylon injection molding shaping, because polyamide nylon density is low, good springiness, there is the damping capacity of good rolling, molding and forming can obtain any required form, it is high that Nylon retainer also has machining accuracy, can rolling element be guided better to move when bearing runs up, beat little, and bearing temperature rise is low, especially high-speed bearing is applicable to, also there is not the problem that acute angle easily appears in iron retainer pocket bore edges in Nylon retainer, and then be conducive to the reasonable layout of lubricating grease in bearing bore, significantly improve bearing life, retainer body 1 offers pocket hole 2, pocket hole 2 is distributed on retainer body 1 ringwise, retainer body 1 is in transmission connection by pocket hole 2 and rolling element, elastic connection structure is provided with in pocket hole 2, elastic connection structure is provided with joint 3, guide portion 4 and elastic support portion 5, joint 3 comprises lug boss 3.1 and groove part 3.2, and retainer body 1 and pocket hole 2 structure are integrated injection moldings, simplify the assembling difficulty of bearing, be conducive to facilitating the installation of bearing to connect, in pocket hole 2, integrated injection molding goes out elastic connection structure, the high elasticity feature that make use of nylon material itself realizes the function of elasticity connection, further simplify installation difficulty and difficulty of processing, improve manufacturing efficiency, on elastic connection structure, be provided with joint 3 simultaneously, guide portion 4 and elastic support portion 5, joint 3 comprises lug boss 3.1 and groove part 3.2 conveniently installs rolling element to realize, and rolling element can be stably fixed on retainer body 1, realize by the architecture advances in pocket hole 2 the rubbing contact area reducing rolling element and retainer body 1 simultaneously, increase work efficiency and working life.
The utility model is set to further, elastic connection structure is provided with four supporting posts, i.e. the first supporting post 6, second supporting post 7, 3rd supporting post 8 and the 4th supporting post 9, four supporting posts and corresponding pocket hole 2 radially be arranged in parallel, rolling element can be clamped by the supporting post of parallel correspondence between two, ensure the validity of the stability that roll piece connects and rotation, elastic support portion 5 is set to the concave through grooves between supporting post and pocket hole sidewall radially, the elastic gap of concave through grooves can be utilized, realize can being out of shape by elasticity recovery of nylon material, squeezing roll kinetoplast, rolling element is made to load retainer body 1 smoothly, thereafter elastic support portion 5 resilience, rolling element is firmly fixed on retainer body 1, being set to by lug boss 3.1 is the arc convex on mutual side connected vertically with supporting post in pocket hole 2, can after rolling element loads pocket hole 2, rubbing contact area between effective minimizing rolling element and retainer body 1, improve the rotational efficienty of rolling element, improve the working efficiency of bearing, groove part 3.2 is set on the opposing side of the first supporting post 6 and the second supporting post 7 and the 3rd supporting post 8 and the 4th supporting post 9 with the arc groove of rolling element adaptation, ensure that rolling element can stably be fixed between two supporting posts, and then improve rolling element ground connective stability, ensure the service behaviour of bearing, the opposing side of the first supporting post 6 and the 3rd supporting post 8 and the second supporting post 7 and the 4th supporting post 9 is provided with groove 10, effectively can reduce the rubbing contact area of rolling element and side, pocket hole 2, thus improve the rotational efficienty of rolling element, improve the working efficiency of bearing, guide portion 4 is set on supporting post along the fillet structure on the upper side of described retainer body 1 axial direction setting and downside, can realize when rolling element loads two sides in the supporting post be oppositely arranged, install by guide portion 4 is convenient, simplify difficulty, increase work efficiency, and ensure that rolling element can stably be installed on the support columns, improve service behaviour and the working life of bearing.
The above is only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technological schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. a thrust-bearing plastic cage, comprise retainer body, rolling element, described retainer body offers pocket hole, described pocket hole is distributed on described retainer body ringwise, described retainer body is in transmission connection by described pocket hole and described rolling element, it is characterized in that: be provided with elastic connection structure in described pocket hole, described elastic connection structure is provided with joint, guide portion and elastic support portion, described joint comprises lug boss and groove part.
2. thrust-bearing plastic cage according to claim 1, it is characterized in that: described elastic connection structure is provided with four supporting posts, four described supporting posts and corresponding pocket hole radially be arranged in parallel, and described supporting post comprises the first supporting post, the second supporting post, the 3rd supporting post and the 4th supporting post.
3. thrust-bearing plastic cage according to claim 2, is characterized in that: be provided with elastic support portion between described supporting post and described pocket hole sidewall radially, described elastic support portion is set to concave through grooves.
4. thrust-bearing plastic cage according to claim 3, is characterized in that: described pocket hole and described supporting post are that mutual side connected vertically is provided with lug boss, and described lug boss is set to arc convex.
5. thrust-bearing plastic cage according to claim 4, it is characterized in that: the opposing side of described first supporting post and described second supporting post is provided with groove part, described groove part is set to arc groove, described arc groove and described rolling element adaptation.
6. thrust-bearing plastic cage according to claim 5, it is characterized in that: the opposing side of described 3rd supporting post and described 4th supporting post is also provided with groove part, described groove part is set to arc groove, described arc groove and described rolling element adaptation.
7. thrust-bearing plastic cage according to claim 6, is characterized in that: the opposing side of described first supporting post and described 3rd supporting post is provided with groove, and the opposing side of described second supporting post and described 4th supporting post is also provided with groove.
8. thrust-bearing plastic cage according to claim 7, is characterized in that: described supporting post is provided with guide portion along on the upper side of described retainer body axial direction setting and downside, and described guide portion is set to fillet structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420406663.9U CN204175799U (en) | 2014-07-22 | 2014-07-22 | A kind of thrust-bearing plastic cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420406663.9U CN204175799U (en) | 2014-07-22 | 2014-07-22 | A kind of thrust-bearing plastic cage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204175799U true CN204175799U (en) | 2015-02-25 |
Family
ID=52564610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420406663.9U Expired - Fee Related CN204175799U (en) | 2014-07-22 | 2014-07-22 | A kind of thrust-bearing plastic cage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204175799U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236853A (en) * | 2018-09-18 | 2019-01-18 | 贵州爱因斯凯轴承科技有限公司 | A kind of wear-resisting type roller bearing |
| CN110145546A (en) * | 2019-05-30 | 2019-08-20 | 芜湖市高德保持架有限公司 | A kind of long-acting retainer of high speed |
| CN112648292A (en) * | 2019-10-11 | 2021-04-13 | 中国航发商用航空发动机有限责任公司 | Cage, rolling bearing, gas turbine, method for manufacturing rolling bearing, and method for holding rolling element |
| CN113931932A (en) * | 2021-10-29 | 2022-01-14 | 上海柴孚机器人有限公司 | Retainer in robot bearing and optimization method |
-
2014
- 2014-07-22 CN CN201420406663.9U patent/CN204175799U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236853A (en) * | 2018-09-18 | 2019-01-18 | 贵州爱因斯凯轴承科技有限公司 | A kind of wear-resisting type roller bearing |
| CN110145546A (en) * | 2019-05-30 | 2019-08-20 | 芜湖市高德保持架有限公司 | A kind of long-acting retainer of high speed |
| CN112648292A (en) * | 2019-10-11 | 2021-04-13 | 中国航发商用航空发动机有限责任公司 | Cage, rolling bearing, gas turbine, method for manufacturing rolling bearing, and method for holding rolling element |
| CN113931932A (en) * | 2021-10-29 | 2022-01-14 | 上海柴孚机器人有限公司 | Retainer in robot bearing and optimization method |
| CN113931932B (en) * | 2021-10-29 | 2024-01-16 | 上海柴孚机器人有限公司 | Cage in robot bearing and optimization method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204175799U (en) | A kind of thrust-bearing plastic cage | |
| CN203979152U (en) | A kind of plastics holder of bearing | |
| CN207064571U (en) | Roller type drag chain | |
| CN204082896U (en) | A kind of high-mechanic noise free gear-bearing | |
| CN204284212U (en) | Ball retainer monomer | |
| CN204716754U (en) | A kind of needle roller thrust bearing | |
| CN201561046U (en) | Plane bearing | |
| CN203979151U (en) | A kind of novel thrust-bearing plastic cage | |
| CN202790089U (en) | Bearing retainer | |
| CN202684646U (en) | Maintenance-free guide mechanism for numerical control cutting machine | |
| CN203257890U (en) | Planar thrust bearing | |
| CN202646005U (en) | Non-clogging rotor pump | |
| CN205101402U (en) | Chou constructs holder | |
| CN205117989U (en) | Height bears weight of a column type welding holder self -aligning roller bearing | |
| CN203162113U (en) | Lubricating system for driven chain wheel of oiling track of stentering and setting machine | |
| CN204403090U (en) | Locking Anti-extrusion device | |
| CN201696504U (en) | Horizontal shaft transmission device of hydraulic cone crusher | |
| CN203948456U (en) | The self-aligning thrust roller bearing that a kind of rolling element guide rolls and retainer are assembly | |
| CN203548578U (en) | Novel centrifugal self-lubricating tapered roller bearing retainer | |
| CN204572794U (en) | Profile unit bearing retainer | |
| CN203098582U (en) | Needle roller thrust bearing cage structure | |
| CN203214604U (en) | Double-row cylindrical roller bearing | |
| CN204025346U (en) | A kind of brasses bearing block assembly | |
| CN203948466U (en) | A kind of selflubricating copper shoe | |
| CN203176173U (en) | Ultra high molecular weight polyethylene bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150225 Termination date: 20170722 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |