CN203979151U - A kind of novel thrust-bearing plastic cage - Google Patents
A kind of novel thrust-bearing plastic cage Download PDFInfo
- Publication number
- CN203979151U CN203979151U CN201420406665.8U CN201420406665U CN203979151U CN 203979151 U CN203979151 U CN 203979151U CN 201420406665 U CN201420406665 U CN 201420406665U CN 203979151 U CN203979151 U CN 203979151U
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- CN
- China
- Prior art keywords
- rolling element
- hole
- fixedly connected
- retainer body
- bearing
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Abstract
The utility model discloses a kind of novel thrust-bearing plastic cage, aim to provide a kind of convenient rolling element of installing, rolling element can be stably fixed on retainer, reduce rubbing contact area, the thrust-bearing plastic cage of increasing work efficiency, its technological scheme main points are a kind of thrust-bearing plastic cages, comprise retainer body, rolling element, on retainer body, be provided with pocket hole, pocket hole is distributed on retainer body ringwise, pocket hole is provided with supporting post on relative bi-side in the radial direction towards retainer body, on rolling element, be provided with and be fixedly connected with hole, be fixedly connected with and in hole, be provided with spring support, retainer body and rolling element link together by supporting post elasticity and spring support adaptation, by above structural design, spring support is connected with supporting post, simplify rolling element difficulty is installed, realizing retainer body is connected with rolling element is stable, reduce rubbing contact area, make bearing working stable, and improve the working efficiency of bearing.
Description
Technical field
The utility model relates to technical field of bearings, and more particularly, it relates to a kind of novel thrust-bearing plastic cage.
Background technique
Retainer, i.e. retainer, claims again bearing cage, refer to partly wrap up all or part of rolling element, and the bearing parts thereupon moving, in order to separation roller, conventionally also guide rolling element and hold it in bearing, rolling bearing is in the time of work, because sliding friction causes bearing heating and wearing and tearing, under high temperature operation condition, the effect of inertial centrifugal force has aggravated friction, wearing and tearing and heating especially, when serious, can cause retainer burn or fracture, cause bearing cisco unity malfunction, therefore, require the material of retainer except having some strength, also necessary thermal conductivity is good, friction factor is little, wear resistance is good, impact toughness is strong, less and the linear expansion coefficient of density and rolling element are close, in prior art, adopt polyamide nylon injection molding moulding retainer body, because polyamide nylon density is low, good springiness, there is the damping capacity of good rolling, can molding and forming obtain any required form, machining accuracy is high, in the time that running up, bearing can guide better rolling element motion, beat little, bearing temperature rise is low, be applicable to high-speed bearing, Nylon retainer does not also exist iron retainer pocket bore edges to be prone to the problem of acute angle, and then be conducive to the reasonable layout of lubricating grease in bearing bore, significantly improve bearing life.
At present, application number on market is that 201120455875.2 Chinese patent discloses a kind of thrust-bearing retainer, by keeping stand and retainer lid to form, retainer cover buckle is keeping on the upper-end surface of stand, retainer lid and keep on stand correspondence to join being drilled with multipair pin shaft hole, be embedded in elastic cylindrical pin at every pair of pin shaft hole of joining brill, retainer adds man-hour, keep stand and retainer to cover to join and get out multiple pin shaft holes, when assembling, first multiple rollers are respectively charged in the pocket hole that keeps corresponding on stand, & holder lid, then elastic cylindrical pin is embedded and kept in pin shaft hole that stand and retainer cover, just completed the assembling of roller and retainer.
Although the utility model retainer connects compact, be difficult for getting loose, and easy to assembly, simple, practical, but this retainer installation process is comparatively complicated, and do not accomplish to reduce the area of contact between rolling element and retainer, between rolling element and retainer, still there is larger surface friction drag, increased both difficulty in relative rotation, reduced working efficiency and the working life of bearing.
Model utility content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of convenient rolling element of installing, and rolling element can be stably fixed on retainer, realize by changing Placement the rubbing contact area that reduces rolling element and retainer simultaneously, improve the working efficiency of thrust-bearing and the novel thrust-bearing plastic cage of stability.
For achieving the above object, the utility model provides following technological scheme: a kind of novel thrust-bearing plastic cage, comprise retainer body, rolling element, on described retainer body, be provided with pocket hole, described pocket hole is distributed on described retainer body ringwise, described pocket is connected with described rolling element in hole, it is characterized in that: in described pocket hole, be and on the side being oppositely arranged, be provided with rolling element fixed structure, on described rolling element, be provided with and be fixedly connected with hole, described being fixedly connected with is provided with spring support in hole, described rolling element fixed structure is connected with described spring support.
Compared with prior art, the utility model has the advantage of: by adopting polyamide nylon injection molding moulding retainer body, because polyamide nylon density is low, good springiness, there is the damping capacity of good rolling, can molding and forming obtain any required form, machining accuracy is high, in the time that running up, bearing can guide better rolling element motion, beat little, bearing temperature rise is low, be applicable to high-speed bearing, Nylon retainer does not also exist iron retainer pocket bore edges to be prone to the problem of acute angle, and then be conducive to the reasonable layout of lubricating grease in bearing bore, significantly improve bearing life, uniform ringwise pocket hole is set holding on frame body, and pocket hole is connected with described rolling element, such structure setting can ensure rolling element energy uniform stressed on bearing, thereby ensure that the stable of rotating effect continues, bearing is effectively worked, in pocket hole, be rolling element fixed structure supporting post is set on the side being oppositely arranged, can make rolling element be connected to securely on retainer body, on rolling element, be provided with and be fixedly connected with hole, can make rolling element freely rotate around supporting post, and spring support is set being fixedly connected with in hole, supporting post is connected with spring support, facilitate the installation of rolling element, and rolling element can be stably fixed on retainer, supporting post is connected with rolling element simultaneously, gap is all left in four sides in rolling element and pocket hole, do like this rubbing contact area that effectively reduces rolling element and retainer, improve working efficiency and the stability of thrust-bearing.
The utility model is further set to: described rolling element fixed structure is set to the supporting post being wholely set towards retainer body radial direction and with the side in described pocket hole.
Compared with prior art, the utility model has the advantage of: be set to the supporting post that is wholely set towards retainer body radial direction and with the side in described pocket hole by rolling element fixed structure, can either realize with the stable of rolling element and being connected, can not affect the rotating effect of rolling element, ensured the function-stable of whole bearing simultaneously.
The utility model is further set to: the described hole that is fixedly connected with is arranged in the middle of described rolling element end face in axial direction, described in be fixedly connected with the aperture size in hole and the outside dimension adaptation of described supporting post.
Compared with prior art, the utility model has the advantage of: by being arranged in the middle of rolling element end face being in axial direction fixedly connected with hole, and be fixedly connected with the aperture size in hole and the outside dimension adaptation of described supporting post, can either ensure that rolling element rotates along axis effectively stable, connect because size is adaptive again, ensure that rolling element can freely rotate swimmingly, improved working efficiency, realized the stability connecting.
The utility model is further set to: described spring support comprises support platform and supported spring, described support platform is provided with ledge structure, described supported spring is fixedly connected between two support platforms, described support platform by supported spring described be fixedly connected with hole in free elastic movement.
Compared with prior art, the utility model has the advantage of: be set to have the support platform of ledge structure and be fixedly connected on two supported springs between support platform by spring support, support platform by supported spring being fixedly connected with free elastic movement in hole, can ensure that supported spring is stably fixed on support platform, realize the function of reset resilience, ledge structure has spacing locating effect simultaneously, facilitate being flexibly connected of rolling element and retainer body, and can be on retainer body stable rotation, realize and simplify fitting operation difficulty, reduce the rubbing contact area of rolling element and retainer, improve the working efficiency of thrust-bearing.
The utility model is further set to: described supporting post is located in to be fixedly connected with in hole and with the support platform elasticity that is fixedly connected with supported spring and is connected.
Compared with prior art, the utility model has the advantage of: be connected by supporting post being located in be fixedly connected with in hole and with the support platform elasticity that is fixedly connected with supported spring, realize being flexibly connected of rolling element and retainer body, reduce erection difficulty, gap all can be left in four sides in rolling element and pocket hole simultaneously, do like this rubbing contact area that effectively reduces rolling element and retainer, improve working efficiency and the stability of thrust-bearing.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of novel thrust-bearing plastic cage of the utility model;
Fig. 2 is the sectional view of a kind of novel thrust-bearing plastic cage of the utility model;
Fig. 3 is the structural representation of the retainer body in Fig. 1;
Fig. 4 is the structure sectional view of the roll piece in Fig. 1.
Reference character: 1, retainer body; 2, rolling element; 3, pocket hole; 4, supporting post; 5, be fixedly connected with hole; 6, spring support; 6.1, support platform; 6.2, supported spring.
Embodiment
Referring to figs. 1 through Fig. 4, the embodiment of a kind of novel thrust-bearing plastic cage of the utility model is described further.
A kind of novel thrust-bearing plastic cage, comprise retainer body 1, rolling element 2, retainer body 1 adopts the moulding of polyamide nylon injection molding, because polyamide nylon density is low, good springiness, there is the damping capacity of good rolling, can molding and forming obtain any required form, it is high that Nylon retainer also has machining accuracy, in the time that running up, bearing can guide better rolling element motion, beat little, and bearing temperature rise is low, especially be applicable to high-speed bearing, Nylon retainer does not also exist iron retainer pocket bore edges to be prone to the problem of acute angle, and then be conducive to the reasonable layout of lubricating grease in bearing bore, significantly improve bearing life, rolling element 2 is preferably cylindrical structural, rolling element 2 coordinates with retainer body 1 is movable, rolling element 2 can freely rotate at retainer body 1, the function-stable that ensures bearing is effective, on retainer body, 1 is provided with pocket hole 3, pocket hole 3 is distributed on retainer body 1 ringwise, in the pocket hole 2 of retainer body 1, be connected with rolling element 2, in pocket hole 3, be and on the side being oppositely arranged, be provided with rolling element fixed structure, it is supporting post 4, on rolling element 2, be provided with and be fixedly connected with hole 5, be fixedly connected with and in hole 5, be provided with spring support 6, supporting post 4 is connected with spring support 6, be connected with the cooperatively interacting of spring support 6 being fixedly connected with in hole 5 on rolling element 2 by the supporting post 4 arranging in pocket hole 3, realizing rolling element 2 is stably connected with retainer body 1, and can on retainer body 1, freely rotate, ensure the stable performance of bearing, and further realize rolling element 2 is conveniently installed, rolling element 2 can be stably fixed on retainer body 1, simultaneously by changing rolling element 2 and the rubbing contact area of retainer body 1 Placement realization minimizing rolling element 2 with retainer body 1, improve working efficiency and the stability of thrust-bearing.
The utility model is further set to, rolling element fixed structure is set to the supporting post 4 being wholely set towards retainer body 1 radial direction and with the side in described pocket hole 3, can either realize with the stable of rolling element 2 and being connected, can not affect the rotating effect of rolling element 2 simultaneously, ensure the function-stable of whole bearing, be arranged in the middle of rolling element 2 end face being in axial direction fixedly connected with hole 5, and be fixedly connected with the aperture size in hole 5 and the outside dimension adaptation of described supporting post 4, can either ensure that rolling element 2 rotates along axis effectively stable, connect because size is adaptive again, ensure that rolling element 2 can freely rotate swimmingly, improve working efficiency, realize the stability connecting, spring support 6 is set to have the support platform 6.1 of ledge structure and is fixedly connected on two supported springs 6.2 between support platform 6.1, support platform 6.1 by supported spring 6.2 being fixedly connected with free elastic movement in hole 5, can ensure that supported spring 6.2 is stably fixed on support platform 6.1, realize the function of reset resilience, ledge structure has spacing locating effect simultaneously, facilitate being flexibly connected of rolling element 2 and retainer body 1, and can be on retainer body 1 stable rotation, realize and simplify fitting operation difficulty, reduce the rubbing contact area of rolling element 2 and retainer body 1, improve the working efficiency of thrust-bearing, supporting post 4 is located in and is fixedly connected with in hole 5 and is connected with support platform 6.1 elasticity that are fixedly connected with supported spring 6.2, realize being flexibly connected of rolling element 2 and retainer body 1, reduce erection difficulty, rolling element 2 all can leave gap with four sides in pocket hole 3 simultaneously, do like this rubbing contact area that effectively reduces rolling element and retainer, improve working efficiency and the stability of thrust-bearing.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technological schemes belonging 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, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. a novel thrust-bearing plastic cage, comprise retainer body, rolling element, on described retainer body, be provided with pocket hole, described pocket hole is distributed on described retainer body ringwise, described pocket is connected with described rolling element in hole, it is characterized in that: in described pocket hole, be and on the side being oppositely arranged, be provided with rolling element fixed structure, on described rolling element, be provided with and be fixedly connected with hole, described being fixedly connected with in hole is provided with spring support, and described rolling element fixed structure is connected with described spring support.
2. novel thrust-bearing plastic cage according to claim 1, is characterized in that: described rolling element fixed structure is set to the supporting post being wholely set towards retainer body radial direction and with the side in described pocket hole.
3. novel thrust-bearing plastic cage according to claim 1 and 2, it is characterized in that: described in be fixedly connected with hole and be arranged in the middle of described rolling element end face in axial direction, described in be fixedly connected with the aperture size in hole and the outside dimension adaptation of described supporting post.
4. novel thrust-bearing plastic cage according to claim 3, is characterized in that: described spring support comprises support platform and supported spring, and described support platform is provided with ledge structure, and described supported spring is fixedly connected between two support platforms.
5. thrust-bearing plastic cage according to claim 4, is characterized in that: described support platform by supported spring described be fixedly connected with hole in free elastic movement.
6. thrust-bearing plastic cage according to claim 5, is characterized in that: described supporting post is located in to be fixedly connected with in hole and with the support platform elasticity that is fixedly connected with supported spring and is connected.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420406665.8U CN203979151U (en) | 2014-07-22 | 2014-07-22 | A kind of novel thrust-bearing plastic cage |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420406665.8U CN203979151U (en) | 2014-07-22 | 2014-07-22 | A kind of novel thrust-bearing plastic cage |
Publications (1)
Publication Number | Publication Date |
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CN203979151U true CN203979151U (en) | 2014-12-03 |
Family
ID=51976601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201420406665.8U Expired - Fee Related CN203979151U (en) | 2014-07-22 | 2014-07-22 | A kind of novel thrust-bearing plastic cage |
Country Status (1)
Country | Link |
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CN (1) | CN203979151U (en) |
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2014
- 2014-07-22 CN CN201420406665.8U patent/CN203979151U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20170722 |