CN220204386U - Thread locking four-point contact ball bearing - Google Patents
Thread locking four-point contact ball bearing Download PDFInfo
- Publication number
- CN220204386U CN220204386U CN202322014536.6U CN202322014536U CN220204386U CN 220204386 U CN220204386 U CN 220204386U CN 202322014536 U CN202322014536 U CN 202322014536U CN 220204386 U CN220204386 U CN 220204386U
- Authority
- CN
- China
- Prior art keywords
- inner ring
- point contact
- face
- ball bearing
- thread locking
- 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.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 24
- 239000010959 steel Substances 0.000 claims abstract description 24
- 239000004677 Nylon Substances 0.000 claims description 6
- 229920001778 nylon Polymers 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 235000006040 Prunus persica var persica Nutrition 0.000 claims description 3
- 240000006413 Prunus persica var. persica Species 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 244000144730 Amygdalus persica Species 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920006651 PA46-GF30 Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The utility model belongs to the technical field of bearing assembly and manufacturing, and particularly relates to a thread locking four-point contact ball bearing, which comprises an outer ring, a combined inner ring, a retainer and a steel ball, wherein the steel ball is held in a raceway between the outer ring and the combined inner ring through the retainer; the combined inner ring comprises a first inner ring and a second inner ring, a spigot extending to the end face of the other side of the bearing is arranged on the inner diameter of the raceway side of the first inner ring, threads are arranged on the outer diameter of the spigot, the second inner ring is of an annular structure with threads on the inner diameter, the second inner ring is screwed with the first inner ring through threads, and an inner ring raceway for guiding the steel balls is formed by the outer diameter face of the first inner ring and the outer diameter face of the second inner ring. The four-point contact ball bearing with the screw thread locking function has the advantages of being integrated into a whole, convenient to assemble, high in ball number and high in load, and meets the assembly requirement.
Description
Technical Field
The utility model belongs to the technical field of bearing assembly and manufacturing, and particularly relates to a thread locking four-point contact ball bearing.
Background
In practical production and application, the ball bearing is limited in that when the shell is thinner at the using position of the bearing, the locking structure is not easy to be made, and the ball bearing needs to be designed into an integrated four-point contact ball bearing. Therefore, an integrated four-point contact ball bearing needs to be designed, and the locking requirement of the large-load four-point contact ball bearing is met under the condition of limited assembly space.
Disclosure of Invention
According to the defects of the prior art, the utility model aims to provide a threaded locking four-point contact ball bearing, which meets the locking requirement of the bearing when the shell is thinner at the using position of the bearing.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the thread locking four-point contact ball bearing comprises an outer ring, a combined inner ring, a retainer and a steel ball, wherein the steel ball is held in a raceway between the outer ring and the combined inner ring through the retainer; the combined inner ring comprises a first inner ring and a second inner ring, a spigot extending to the end face of the other side of the bearing is arranged on the inner diameter of the raceway side of the first inner ring, threads are arranged on the outer diameter of the spigot, the second inner ring is of an annular structure with threads on the inner diameter, the second inner ring is screwed with the first inner ring through threads, and an inner ring raceway for guiding the steel balls is formed by the outer diameter face of the first inner ring and the outer diameter face of the second inner ring.
Further, the end face of the second inner ring is flush with the end face of the first inner ring spigot, a stop groove is formed in the end face of the second inner ring and the end face of the first inner ring spigot in the radial direction, and a locating plate is fixed in the stop groove through a screw.
Further, the stop groove extends from the middle of the second inner ring end surface to the inner diameter of the first inner ring end surface.
Further, the stop groove is one or more.
Further, the axial width of the second inner ring is consistent with the axial width of the spigot, and the axial width of the spigot is half of the axial width of the first inner ring; the joint of the first inner ring and the second inner ring is the lowest point of the inner ring roller path.
Further, the radial width of the second inner ring is consistent with the radial width of the spigot, and the radial width of the spigot is half of the radial width of the first inner ring.
Further, the rollaway nest between the outer ring and the combined inner ring is a peach heart groove rollaway nest, the steel ball is contacted with the two points of the rollaway nest of the outer ring, and the steel ball is contacted with the rollaway nest of the first inner ring and the second inner ring respectively.
Further, the contact angle between the steel ball and the raceway is 35 degrees.
Further, the retainer is an integrally injection molded nylon retainer.
The beneficial effects of the utility model are as follows: the four-point contact ball bearing with the screw thread locking function has the advantages of being integrated into a whole, convenient to assemble, high in ball number and high in load, and meets the assembly requirement.
Drawings
FIG. 1 is a schematic view of a thread locking four-point contact ball bearing according to the present utility model;
FIG. 2 is a side view of the thread locking four point contact ball bearing of FIG. 1;
in the figure: 1. the outer ring, 2, the retainer, 3, the steel ball, 4, the first inner ring, 4.1, the spigot, 5, the second inner ring, 6, the stop groove, 7, the screw, 8 and the locating piece.
Detailed Description
In order to make the structure and function of the present utility model clearer, the technical solution in the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present utility model.
Referring to fig. 1-2, the thread locking four-point contact ball bearing comprises an outer ring 1, a combined inner ring, a retainer 2 and a steel ball 3, wherein the steel ball 3 is held in a raceway between the outer ring 1 and the combined inner ring through the retainer 2; the combined inner ring comprises a first inner ring 4 and a second inner ring 5, a spigot 4.1 extending to the end face of the other side of the bearing is arranged on the inner diameter of the raceway side of the first inner ring 4, threads are arranged on the outer diameter of the spigot 4.1, the second inner ring 5 is of an annular structure with threads on the inner diameter, the second inner ring 5 and the first inner ring 1 are screwed together through threads, and an inner ring raceway for guiding the steel balls is formed by the outer diameter face of the first inner ring 1 and the outer diameter face of the second inner ring 2. The end face of the second inner ring 5 is flush with the end face of the first inner ring spigot 4.1, a stop groove 6 is formed in the end face of the second inner ring 5 and the end face of the first inner ring spigot 4.1 along the radial direction, and a positioning sheet 8 is fixed in the stop groove 6 through a screw 7.
Based on the technical scheme, the combination part of the first inner ring 4 and the second inner ring 5 is provided with the precise thread pair, so that the inner sides of the two parts can be tightly attached. The assembly method is similar to that of a common four-point contact ball bearing, firstly, the steel ball 3 is arranged in the retainer 2, an outer assembly is formed by the steel ball and the outer ring 1, two inner rings are assembled, the screw thread pair is screwed tightly to be tightly attached, and finally, the positioning piece 8 is fixed in the stop groove 6 corresponding to the end face of the first inner ring 4 by the screw 7 to prevent the screw thread pair from loosening.
Further, the number of the stop grooves 6 is one or more, and the stop grooves 6 extend from the middle part of the end face of the second inner ring 5 to the inner diameter of the end face of the first inner ring 4, so that the installation and the removal are convenient.
Further, the axial width of the second inner ring 5 is consistent with the axial width of the spigot 4.1, and the axial width of the spigot 4.1 is half of the axial width of the first inner ring; the joint of the first inner ring 4 and the second inner ring 5 is the lowest point of the roller path, so that the steel ball 3 can be conveniently assembled.
Further, the radial width of the second inner ring 5 is consistent with the radial width of the spigot 4.1, and the radial width of the spigot 4.1 is half of the radial width of the first inner ring 4. The strength of the second inner ring 5 and the first inner ring 4 is effectively ensured.
Further, the raceways between the outer ring 1 and the combined inner ring are peach heart-shaped raceway, the steel ball 3 is in two-point contact with the raceways of the outer ring, and the steel ball 3 is in one-point contact with the raceways of the first inner ring 4 and the second inner ring 5.
Further, the contact angle of the steel ball 3 with the raceway is 35 degrees.
Further, the retainer 2 is an integrally injection molded nylon retainer.
Based on the technical scheme, the nylon retainer 2 is integrally injection molded, and is made of PA46-GF30 engineering plastic, so that the nylon retainer is higher in heat resistance and applicable to a higher-temperature working environment. Compared with the traditional copper retainer, the nylon retainer is lighter in weight and suitable for the working condition of high rotation speed.
It should be noted that the detailed portions of the present utility model are not described in the prior art.
The foregoing list is only the preferred embodiments of the present utility model. Obviously, the utility model is not limited to the above embodiments, but many variations are possible. All modifications directly derived or suggested to one skilled in the art from the present disclosure should be considered as being within the scope of the present utility model.
Claims (9)
1. A thread locking four-point contact ball bearing is characterized in that: the steel ball is held in a raceway between the outer ring and the combined inner ring through the retainer; the combined inner ring comprises a first inner ring and a second inner ring, a spigot extending to the end face of the other side of the bearing is arranged on the inner diameter of the raceway side of the first inner ring, threads are arranged on the outer diameter of the spigot, the second inner ring is of an annular structure with threads on the inner diameter, the second inner ring is screwed with the first inner ring through threads, and an inner ring raceway for guiding the steel balls is formed by the outer diameter face of the first inner ring and the outer diameter face of the second inner ring.
2. A thread locking four point contact ball bearing as claimed in claim 1, wherein: the end face of the second inner ring is flush with the end face of the first inner ring spigot, a stop groove is formed in the end face of the second inner ring and the end face of the first inner ring spigot along the radial direction, and a locating plate is fixed in the stop groove through a screw.
3. A thread locking four point contact ball bearing as claimed in claim 2, wherein: the stop groove extends from the middle part of the end face of the second inner ring to the inner diameter of the end face of the first inner ring.
4. A thread locking four point contact ball bearing as claimed in claim 2, wherein: the number of the stop grooves is one or more.
5. A thread locking four point contact ball bearing as claimed in claim 1, wherein: the axial width of the second inner ring is consistent with that of the spigot, and the axial width of the spigot is half of that of the first inner ring.
6. A thread locking four point contact ball bearing as claimed in claim 1, wherein: the joint of the first inner ring and the second inner ring is the lowest point of the inner ring roller path.
7. A thread locking four point contact ball bearing as claimed in claim 1, wherein: the raceways between the outer ring and the combined inner ring are peach heart groove raceways, the steel balls are in two-point contact with the raceways of the outer ring, and the steel balls are in one-point contact with the raceways of the first inner ring and the second inner ring respectively.
8. A thread locking four point contact ball bearing as in claim 7 wherein: the contact angle between the steel ball and the rollaway nest is 35 degrees.
9. A thread locking four point contact ball bearing as claimed in claim 1, wherein: the retainer is an integrally injection molded nylon retainer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322014536.6U CN220204386U (en) | 2023-07-28 | 2023-07-28 | Thread locking four-point contact ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322014536.6U CN220204386U (en) | 2023-07-28 | 2023-07-28 | Thread locking four-point contact ball bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220204386U true CN220204386U (en) | 2023-12-19 |
Family
ID=89143581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322014536.6U Active CN220204386U (en) | 2023-07-28 | 2023-07-28 | Thread locking four-point contact ball bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220204386U (en) |
-
2023
- 2023-07-28 CN CN202322014536.6U patent/CN220204386U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220204386U (en) | Thread locking four-point contact ball bearing | |
| CN201106625Y (en) | Locating bearing for high speed aluminium foil mill | |
| CN116733841A (en) | Thread locking four-point contact ball bearing | |
| CN201106630Y (en) | Composite joint dual-column cylindrical roller bearing | |
| CN215673157U (en) | Combined bearing for supporting stabilizing device | |
| CN209761992U (en) | Single-row angular contact ball bearing capable of bearing bidirectional load | |
| CN211778812U (en) | Thrust type ball screw assembly | |
| CN203395023U (en) | Solid retainer and reinforced solid tapered roller bearing | |
| CN202165427U (en) | Angular contact cylindrical roller bearing | |
| CN207212936U (en) | A kind of double inner ring two-row ball bearings with positioning hole | |
| CN221503784U (en) | Radial bearing | |
| CN2763616Y (en) | Angle contact ball bearing with cage guided by double stop edge of external or inner race | |
| CN220204390U (en) | Double-row tapered roller bearing | |
| CN205559556U (en) | 4 angular contact ball bearing | |
| CN221628646U (en) | High-durability four-point contact type ball bearing | |
| CN115013430B (en) | Break-off rolling bearing | |
| CN220505577U (en) | Self-lubricating thrust ball bearing | |
| CN217401446U (en) | Outer ring of double-row closed deep groove ball bearing | |
| CN217926769U (en) | Double-row automatic aligning roller bearing | |
| CN221347621U (en) | Floating deflection bearing | |
| CN214998830U (en) | Self-aligning rolling bearing | |
| CN220668165U (en) | Tower foundation bearing | |
| CN210661059U (en) | Linear bearing | |
| CN221610549U (en) | Planet carrier combined bearing | |
| CN219197902U (en) | Multidirectional bearing type rolling bearing and rotary supporting assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |