CN216742473U - Plastic retainer for needle roller bearing convenient to assemble - Google Patents
Plastic retainer for needle roller bearing convenient to assemble Download PDFInfo
- Publication number
- CN216742473U CN216742473U CN202122842091.1U CN202122842091U CN216742473U CN 216742473 U CN216742473 U CN 216742473U CN 202122842091 U CN202122842091 U CN 202122842091U CN 216742473 U CN216742473 U CN 216742473U
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- needle roller
- retainer
- bearing
- clamping groove
- roller clamping
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Abstract
The utility model relates to a plastic retainer for a needle roller bearing, which is convenient to assemble and comprises a bearing inner ring, wherein a retainer body is arranged on the periphery of the bearing inner ring, a bearing outer ring is arranged on the periphery of the retainer body, the retainer body comprises an upper retainer and a lower retainer, an upper needle roller clamping groove is arranged in the upper retainer, a lower needle roller clamping groove is arranged in the lower retainer, and the position of the upper needle roller clamping groove corresponds to the position of the lower needle roller clamping groove.
Description
Technical Field
The utility model relates to a bearing retainer, in particular to a plastic retainer for a needle roller bearing, which is convenient to assemble and belongs to the technical field of bearing retainers.
Background
Cage (i.e., bearing cage, also known as a bearing retainer) refers to a bearing component that partially encases all or part of the rolling elements and moves with them to isolate the rolling elements and generally also guide and retain them within the bearing.
Most formula structures as an organic whole of current holder need directly impress the kingpin inside the holder during installation kingpin, make the clearance increase between kingpin and the holder, lead to the kingpin easily to take place to drop, and the mode of directly impressing the kingpin is not convenient for change the kingpin, and the installation effectiveness is lower, and the kingpin easily takes place wearing and tearing when high-speed rotating, leads to the turning resistance increase, influences the bearing result of use.
SUMMERY OF THE UTILITY MODEL
The plastic retainer for the needle roller bearing is convenient to assemble and disassemble, the upper retainer and the lower retainer are convenient to disassemble and assemble by using the screw through the positioning holes and the threaded holes, the needle rollers are convenient to assemble quickly by workers, the surfaces of the needle rollers can be lubricated through the oil storage plate, the rotation resistance of the needle rollers is reduced, the abrasion degree of the needle rollers can be reduced, and the using effect of the bearing is improved.
The utility model achieves the aim through the following technical scheme, and the plastic retainer for the needle roller bearing, which is convenient to assemble, comprises a bearing inner ring, wherein a retainer body is arranged on the periphery of the bearing inner ring, a bearing outer ring is arranged on the periphery of the retainer body, the retainer body comprises an upper retainer and a lower retainer, an upper needle roller clamping groove is arranged in the upper retainer, a lower needle roller clamping groove is arranged in the lower retainer, and the position of the upper needle roller clamping groove corresponds to the position of the lower needle roller clamping groove.
Preferably, the upper retainer is provided with four positioning holes.
Preferably, the lower holder is provided with four threaded holes, the positions of the threaded holes correspond to those of the positioning holes, and the threaded holes can be connected with the positioning holes through screws.
Preferably, the inner walls of the upper needle roller clamping groove and the lower needle roller clamping groove are fixedly connected with an oil storage plate, and one side of the oil storage plate is fixedly connected with a needle roller clamping plate.
Preferably, the needle roller clamping plate is of an arc-shaped structure, oil outlet holes are formed in the needle roller clamping plate and distributed in a linear shape, and the number of the oil outlet holes is a plurality.
Preferably, the radian of the needle roller clamping plate is the same as that of the outer wall of the needle roller, the needle roller clamping plate is made of nickel-based tungsten carbide, and the needle roller clamping plate is communicated with the oil storage plate.
Preferably, the upper retainer and the lower retainer are made of one or more of polyimide, polyether ether ketone, polyamide imide, polybenzimidazole, polyetherimide and polyvinylidene fluoride.
The utility model has the beneficial effects that:
the utility model is convenient to disassemble and assemble the upper retainer and the lower retainer by using the screw through the arrangement of the positioning hole and the threaded hole, so that a worker can quickly assemble the needle roller without manually pressing, the installation efficiency is improved, the phenomenon that the needle roller is thrown out due to overlarge clearance is avoided, the surface of the needle roller can be lubricated by arranging the oil storage plate and the needle roller clamping plate, the rotation resistance of the needle roller is reduced, the abrasion degree of the needle roller can be reduced, the using effect of the bearing is improved, the hardness and the abrasion resistance of the needle roller clamping plate can be improved by arranging the needle roller clamping plate to be nickel-based tungsten carbide, the abrasion is reduced, the service life is prolonged, and the high temperature resistance effect of the upper retainer and the lower retainer can be improved by arranging the upper retainer and the lower retainer to be one or more of polyimide, polyether ether ketone, polyamide imide, polybenzimidazole, polyether imide and polyvinylidene fluoride, the rolling needle is prevented from generating heat when rotating at a high speed, so that the upper retainer and the lower retainer are prevented from deforming to influence the using effect of the bearing.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a perspective view of the cage body of the present invention.
Fig. 3 is a top view of the lower cage of the present invention.
Fig. 4 is a partially enlarged view of the present invention.
Fig. 5 is a schematic view of the needle roller card structure of the present invention.
Reference numbers in the figures: 1. a bearing inner race; 2. a cage body; 3. a bearing outer race; 4. an upper retainer; 5. a lower retainer; 6. a needle roller clamping groove is arranged; 7. a lower needle roller clamping groove; 8. positioning holes; 9. a threaded hole; 10. an oil storage plate; 11. a needle roller snap gauge; 12. an oil outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Specifically, the upper holder 4 is provided with four positioning holes 8, the number of the positioning holes 8 is four, the lower holder 5 is provided with four threaded holes 9, the number of the threaded holes 9 is four, the positions of the threaded holes 9 correspond to the positions of the positioning holes 8, the threaded holes 9 can be connected with the positioning holes 8 through screws, and the positioning holes 8 and the threaded holes 9 are arranged to facilitate the disassembly and assembly of the upper holder 4 and the lower holder 5 through the screws, so that a worker can quickly assemble the roller pins without manually pressing the roller pins, the mounting efficiency is improved, and the phenomenon that the roller pins are thrown out due to overlarge gaps is avoided.
Specifically, the upper retainer 4 and the lower retainer 5 are made of one or more of polyimide, polyether ether ketone, polyamide imide, polybenzimidazole, polyetherimide and polyvinylidene fluoride, so that the high-temperature resistance effect of the upper retainer 4 and the lower retainer 5 can be improved, and the phenomenon that the upper retainer 4 and the lower retainer 5 deform to influence the use effect of the bearing due to the fact that the roller needles generate heat when rotating at high speed is avoided.
Example 2: referring to fig. 3-5, the difference between the present embodiment and embodiment 1 is: the inner walls of the upper needle roller clamping groove 6 and the lower needle roller clamping groove 7 are both fixedly connected with an oil storage plate 10, one side of the oil storage plate 10 is fixedly connected with a needle roller clamping plate 11, the needle roller clamping plate 11 is of an arc structure, an oil outlet 12 is arranged on the needle roller clamping plate 11, the oil outlet holes 12 are arranged in a straight line shape, the number of the oil outlet holes 12 is a plurality, the radian of the needle roller clamping plate 11 is the same as that of the outer wall of the needle roller, the needle roller clamping plate 11 is made of nickel-based tungsten carbide, the needle roller clamping plate 11 is communicated and connected with the oil storage plate 10, the surface of the roller pin can be lubricated by arranging the oil storage plate 10 and the roller pin snap-gauge 11, the rotation resistance of the roller pin is reduced, meanwhile, the abrasion degree of the roller pins can be reduced, the using effect of the bearing is improved, the hardness and the abrasion resistance of the roller pin clamping plate 11 can be improved by arranging the roller pin clamping plate 11 made of nickel-based tungsten carbide, the abrasion is reduced, and the service life is prolonged.
When the utility model is used, the positioning holes 8 and the threaded holes 9 are arranged to facilitate the disassembly and assembly of the upper retainer 4 and the lower retainer 5 by using screws, so that workers can quickly assemble the needle rollers without manually pressing, the installation efficiency is improved, the phenomenon that the needle rollers are thrown out due to overlarge gaps is avoided, the surface of the needle rollers can be lubricated by arranging the oil storage plate 10 and the needle roller snap-gauge 11, the rotation resistance of the needle rollers is reduced, the abrasion degree of the needle rollers is reduced, the use effect of the bearing is improved, the hardness and the abrasion resistance of the needle roller snap-gauge 11 can be improved by arranging the needle roller snap-gauge 11 to be nickel-based tungsten carbide, the abrasion is reduced, the service life is prolonged, and the upper retainer 4 and the lower retainer 5 are made of one or more of polyimide, polyether ether ketone, polyamide imide, polybenzimidazole, polyetherimide and polyvinylidene fluoride, the high-temperature resistant effect of the upper retainer 4 and the lower retainer 5 can be improved, and the phenomenon that the roller pin generates heat when rotating at a high speed to cause the upper retainer 4 and the lower retainer 5 to deform to influence the using effect of the bearing is avoided.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it is therefore desired that the present embodiments be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, without any reference thereto being construed as limiting the claim concerned.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (4)
1. The utility model provides a convenient plastic cage for needle bearing of equipment, includes bearing inner race (1), its characterized in that: a retainer body (2) is arranged on the periphery of the bearing inner ring (1), a bearing outer ring (3) is arranged on the periphery of the retainer body (2), the retainer body (2) comprises an upper retainer (4) and a lower retainer (5), an upper needle roller clamping groove (6) is arranged in the upper retainer (4), a lower needle roller clamping groove (7) is arranged in the lower retainer (5), the position of the upper needle roller clamping groove (6) corresponds to the position of the lower needle roller clamping groove (7), the upper retainer (4) is provided with positioning holes (8), the number of the positioning holes (8) is four, threaded holes (9) are formed in the lower retainer (5), the number of the threaded holes (9) is four, the position of the threaded hole (9) corresponds to the position of the positioning hole (8), the threaded hole (9) can be connected with the positioning hole (8) through a screw.
2. The plastic cage for needle roller bearing of claim 1, which is easy to assemble, wherein: the inner walls of the upper needle roller clamping groove (6) and the lower needle roller clamping groove (7) are fixedly connected with an oil storage plate (10), and one side of the oil storage plate (10) is fixedly connected with a needle roller clamping plate (11).
3. The plastic cage for needle roller bearing of claim 2, wherein: the needle roller clamping plate (11) is of an arc-shaped structure, oil outlet holes (12) are formed in the needle roller clamping plate (11), the oil outlet holes (12) are distributed in a linear arrangement mode, and the number of the oil outlet holes (12) is a plurality.
4. The plastic cage for needle roller bearing with easy assembly as set forth in claim 3, wherein: the radian of the needle roller snap-gauge (11) is the same as that of the outer wall of the needle roller, the needle roller snap-gauge (11) is made of nickel-based tungsten carbide, and the needle roller snap-gauge (11) is communicated with the oil storage plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122842091.1U CN216742473U (en) | 2021-11-19 | 2021-11-19 | Plastic retainer for needle roller bearing convenient to assemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122842091.1U CN216742473U (en) | 2021-11-19 | 2021-11-19 | Plastic retainer for needle roller bearing convenient to assemble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216742473U true CN216742473U (en) | 2022-06-14 |
Family
ID=81929737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122842091.1U Active CN216742473U (en) | 2021-11-19 | 2021-11-19 | Plastic retainer for needle roller bearing convenient to assemble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216742473U (en) |
-
2021
- 2021-11-19 CN CN202122842091.1U patent/CN216742473U/en active Active
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