CN218000168U - Angular contact ball bearing - Google Patents
Angular contact ball bearing Download PDFInfo
- Publication number
- CN218000168U CN218000168U CN202221916175.3U CN202221916175U CN218000168U CN 218000168 U CN218000168 U CN 218000168U CN 202221916175 U CN202221916175 U CN 202221916175U CN 218000168 U CN218000168 U CN 218000168U
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- ferrule
- main
- ball bearing
- auxiliary
- angular contact
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Abstract
The utility model provides an angular contact ball bearing, including outer lane, inner circle, holder and a plurality of roller, the holder be used for constituting interval and the guide to the roller, circle and be provided with the concave part, the outer lane is connected by main lasso and two vice lasso amalgamations and is constituted, main lasso is including two slot parts and the first butt face that are located its axial both sides department respectively, vice lasso is including connecting portion and second butt face, the cross-section of slot part and connecting portion all is the echelonment, and cup joint the cooperation between slot part and the connecting portion, two first butt face symmetries set up, set up relatively between adjacent first butt face and the second butt face, and first butt face and second butt face all are used for forming the point contact with the roller, the raceway constitutes with the inner circle concave part after relative first butt face and second butt face amalgamation. Not enough to prior art, the utility model provides an angular contact ball bearing, its installation is more convenient, is difficult for damaging in the installation.
Description
Technical Field
The utility model relates to an angular contact ball bearing.
Background
The bearing is an important part for rotating and supporting a mechanical body, is visible everywhere in our life and work, and in order to adapt to different working environments, the types of the bearing are very various, a common bearing usually comprises an outer ring, an inner ring, a plurality of rollers and a retainer, a roller path for accommodating the plurality of rollers is arranged between the outer ring and the inner ring, and the retainer is used for spacing and guiding the plurality of rollers. The ball track of the double-row angular contact ball bearing is arranged in two axial rows, the rollers in the ball track are spherical, and the rollers and the ball track form four-point contact fit, but just due to the fit between the rollers and the ball track, concave parts can be formed at the positions of the outer ring and the inner ring corresponding to the ball track, the rollers extend into the concave parts to form point contact fit, so that the interval of the parts outside the concave parts between the outer ring and the inner ring is smaller than the outer diameter of the rollers, the bearing is inconvenient to mount, and the risk of damage exists in the mounting process.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides an angular contact ball bearing, its installation is more convenient, is difficult for damaging in the installation.
In order to realize the above-mentioned purpose, the utility model provides an angular contact ball bearing, including outer lane, inner circle, holder and a plurality of roller, the holder set up between outer lane and inner circle, the holder be used for constituting interval and the guide to the roller, interior circle on be provided with the concave part, the outer lane connect by main lasso and two vice lassos amalgamations and constitute, main lasso including two slot portions and the first butt face that are located its axial both sides department respectively, vice lasso including connecting portion and second butt face, the cross-section of slot portion and connecting portion all be the echelonment, and cup joint the cooperation between slot portion and the connecting portion, two first butt face symmetries set up, set up relatively between adjacent first butt face and the second butt face, and first butt face and second butt face all are used for forming the point contact with the roller, the raceway comprises with the inner circle concave part after relative first butt face and second butt face amalgamation.
The technical scheme has the advantages that: through with a main lasso and two vice lassos that can cup joint the jogged joint of outer lane split one-tenth, wherein main lasso and vice lasso have first butt face and second butt face respectively, and the raceway constitutes with the inner circle concave part after being relative first butt face and second butt face amalgamation, at the in-process of installation, can carry out preliminary installation with two rows of rollers and main lasso with a row of roller, main lasso, the order of another row of roller, later connect two vice lassos on main lasso, accomplish the equipment of bearing, the in-process need not the roller and forces the less interval department through outer lane and inner circle, make things convenient for the bearing installation, also be difficult for damaging in the installation.
The utility model discloses can further set up to: the connecting part is sleeved in the groove part, thread surfaces capable of being meshed are arranged at the outer diameter of the connecting part and the inner diameter of the groove part, and splines are arranged at the outer diameters of the main ferrule and the auxiliary ferrule.
Through further setting up, set up the thread face that can mesh mutually on cup jointing cooperation connecting portion and slot part for at the in-process of installation, after inserting the vice lasso into main lasso, form radial spacing between them, later rotate, accomplish the axial connection of main lasso and vice lasso, the spline of the external diameter department through main lasso and vice lasso constitutes the cooperation of preventing changeing between main lasso and the vice lasso at last.
The utility model discloses can further set up to: the groove part of the main ferrule and the auxiliary ferrule are arranged at intervals in the axial direction, and an elastic gasket is arranged at the interval between the groove part of the main ferrule and the auxiliary ferrule.
Through further setting up, set up the elastic gasket between the slot part of main lasso and vice lasso, can form sealed to the clearance department between main lasso and the vice lasso to the elastic gasket can provide the elastic force of a direction when pressurized deformation, and this can make two screw faces support tightly, increases frictional force between them.
The utility model discloses can further set up to: the retainer comprises a first pocket and a second pocket which respectively correspond to two rows of rollers.
Through further arrangement, the retainer is provided with the first pocket and the second pocket which respectively correspond to the two rows of rollers, so that one retainer can guide and separate the two rows of rollers simultaneously, and the two rows of rollers can synchronously move along the circumferential direction of the roller path.
The utility model discloses can further set up to: a plurality of connecting holes and connecting rods are arranged between the main ferrule and the two auxiliary ferrules, the connecting holes extend from one auxiliary ferrule to the other auxiliary ferrule through the main ferrule, and the connecting rods can penetrate through the connecting holes and form threaded fit with the connecting holes.
By further arrangement, a connecting hole extending from one pair of ferrules to the other pair of ferrules through the main ferrule forms threaded fit with the connecting rod, so that positioning connection between the main ferrule and the two pair of ferrules is formed.
The utility model discloses can further set up to: the connecting hole comprises an opening, a first section part and a second section part, the opening is arranged at one pair of ferrules, the first section part is connected with the opening and extends to the middle part of the main ferrule to be connected with the second section part, and the outer diameter of the first section part is larger than that of the second section part.
Through further setting, fall into first section portion and second section portion with the connecting hole to the first section external diameter of connection opening part is greater than second section portion, and such setting can also set the connecting rod to one section great one section less, and at the in-process of installation connecting rod, the less section of connecting rod can directly pass first section portion, and it connects to rotate after corresponding first section portion and second section portion respectively to great section and less section to run through to the connecting rod, the installation of being convenient for.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is an enlarged view of a portion a in a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a second embodiment of the present invention;
wherein: an outer ring 1; a main ferrule 11; a groove portion 111; a first abutment surface 112; a secondary ferrule 12; a connecting portion 121; a second abutment surface 122; a spline 13; an elastic pad 14; an inner ring 2; a recess 21; a holder 3; the first pocket 31; the second pocket 32; a roller 4; a thread face 5; a connecting hole 6; an opening 61; a first section 62; a second section 63; a connecting rod 7; a first connection section 71; a second connecting section 72.
Detailed Description
The embodiment of the angular contact ball bearing of the utility model is as shown in figures 1-2: the roller cage comprises an outer ring 1, an inner ring 2, a retainer 3 and a plurality of rollers 4, wherein the retainer 3 is arranged between the outer ring 1 and the inner ring 2, the retainer 3 is used for forming spacing and guiding for the rollers 4, a concave part 21 is arranged on the inner ring 2, the outer ring 1 is formed by splicing a main ferrule 11 and two auxiliary ferrules 12, the main ferrule 11 comprises two groove parts 111 and first abutting surfaces 112 which are respectively located at two axial sides of the main ferrule, each auxiliary ferrule 12 comprises a connecting part 121 and a second abutting surface 122, the cross sections of the groove parts 111 and the connecting parts 121 are in a step shape, the groove parts 111 and the connecting parts 121 are in sleeved fit, the two first abutting surfaces 112 are symmetrically arranged, the adjacent first abutting surfaces 112 and the adjacent second abutting surfaces 122 are oppositely arranged, the first abutting surfaces 112 and the second abutting surfaces 122 are both used for forming point contact with the rollers 4, and a roller path is formed by splicing the first abutting surfaces 112 and the second abutting surfaces 122 which are opposite and then forming point contact with the concave part 21 of the inner ring.
The connecting portion 121 is sleeved in the groove portion 111, the outer diameter of the connecting portion 121 and the inner diameter of the groove portion 111 are provided with a thread surface 5 capable of being engaged with each other, and the outer diameter of each of the main ferrule 11 and the sub-ferrule 12 is provided with a spline 13. The groove 111 of the main ferrule 11 and the sub-ferrule 12 are provided at an axial interval, and an elastic washer 14 is provided at the interval therebetween. The cage 3 includes first and second pockets 31 and 32 corresponding to the two rows of rollers 4, respectively.
The second embodiment of the angular contact ball bearing of the present invention is shown in fig. 3, and the differences from the first embodiment are as follows: a plurality of connecting holes 6 and connecting rods 7 are arranged between the main ferrule 11 and the two auxiliary ferrules 12, the connecting holes 6 extend from one auxiliary ferrule 12 to the other auxiliary ferrule 12 through the main ferrule, and the connecting rods 7 can penetrate through the connecting holes 6 and form threaded fit with the connecting holes 6.
The connecting hole 6 comprises an opening 61, a first section 62 and a second section 63, the opening 61 is arranged at a secondary ferrule, the first section 62 is connected with the opening and extends to the middle of a main ferrule to be connected with the second section 63, and the outer diameter of the first section 62 is larger than that of the second section. In this embodiment, the connecting rod 7 includes a first connecting section 71 and a second connecting section 72, the outer diameter of the first connecting section 71 is larger than that of the second connecting section 72, and in the process of installing the connecting rod, the second connecting section 72 can directly pass through the first section 62 until the connecting rod 6 passes through the first connecting section 71 and the second connecting section 72 and then is rotatably connected with the first section 62 and the second section 63 respectively, so as to facilitate installation.
The above examples are only one of the preferred embodiments of the present invention, and the general changes and substitutions performed by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.
Claims (6)
1. An angular contact ball bearing, including outer lane, inner circle, holder and a plurality of roller, the holder set up between outer lane and inner circle, the holder be used for constituting the interval and the guide to the roller, the inner circle on be provided with the recess, its characterized in that: the outer ring is formed by splicing and connecting a main ferrule and two auxiliary ferrules, the main ferrule comprises two groove parts and two first abutting surfaces which are respectively positioned at two axial sides of the main ferrule, each auxiliary ferrule comprises a connecting part and a second abutting surface, the cross sections of the groove parts and the connecting parts are in a step shape, the groove parts and the connecting parts are in sleeve joint and match, the two first abutting surfaces are symmetrically arranged, the adjacent first abutting surfaces and the second abutting surfaces are oppositely arranged, the first abutting surfaces and the second abutting surfaces are used for forming point contact with rollers, and the roller path is formed by splicing the first abutting surfaces and the second abutting surfaces which are opposite to each other and an inner ring concave part.
2. The angular contact ball bearing according to claim 1, wherein: the connecting part is sleeved in the groove part, thread surfaces capable of being meshed are arranged at the outer diameter of the connecting part and the inner diameter of the groove part, and splines are arranged at the outer diameters of the main ferrule and the auxiliary ferrule.
3. The angular contact ball bearing according to claim 1 or 2, wherein: the groove part of the main ferrule and the auxiliary ferrule are arranged at intervals in the axial direction, and an elastic gasket is arranged at the interval between the groove part of the main ferrule and the auxiliary ferrule.
4. The angular contact ball bearing according to claim 1 or 2, wherein: the retainer comprises a first pocket and a second pocket which respectively correspond to two rows of rollers.
5. The angular contact ball bearing according to claim 1, wherein: a plurality of connecting holes and connecting rods are arranged between the main ferrule and the two auxiliary ferrules, the connecting holes extend from one auxiliary ferrule to the other auxiliary ferrule through the main ferrule, and the connecting rods can penetrate through the connecting holes and form threaded fit with the connecting holes.
6. The angular contact ball bearing according to claim 5, wherein: the connecting hole comprises an opening, a first section part and a second section part, the opening is arranged at one of the pair of ferrules, the first section part is connected with the opening and extends to the middle part of the main ferrule to be connected with the second section part, and the outer diameter of the first section part is larger than that of the second section part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221916175.3U CN218000168U (en) | 2022-07-21 | 2022-07-21 | Angular contact ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221916175.3U CN218000168U (en) | 2022-07-21 | 2022-07-21 | Angular contact ball bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218000168U true CN218000168U (en) | 2022-12-09 |
Family
ID=84316202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221916175.3U Active CN218000168U (en) | 2022-07-21 | 2022-07-21 | Angular contact ball bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218000168U (en) |
-
2022
- 2022-07-21 CN CN202221916175.3U patent/CN218000168U/en active Active
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