CN218063107U - Turntable bearing with sealing structure - Google Patents
Turntable bearing with sealing structure Download PDFInfo
- Publication number
- CN218063107U CN218063107U CN202220926975.7U CN202220926975U CN218063107U CN 218063107 U CN218063107 U CN 218063107U CN 202220926975 U CN202220926975 U CN 202220926975U CN 218063107 U CN218063107 U CN 218063107U
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- Prior art keywords
- ring
- sealing
- shaft
- face
- turntable bearing
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- 238000007789 sealing Methods 0.000 title claims abstract description 64
- 238000005096 rolling process Methods 0.000 claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000004519 grease Substances 0.000 abstract description 4
- 230000001050 lubricating effect Effects 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 abstract description 3
- 229910001369 Brass Inorganic materials 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
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Abstract
The application relates to a take seal structure's revolving stage bearing includes: the inner ring is sleeved on the outer circumference of the inner ring, the inner ring is connected with the shaft ring through a connecting piece, a plurality of first rolling bodies are arranged between the outer circumferential surface of the inner ring and the inner circumferential surface of the outer ring, a plurality of second rolling bodies and a plurality of third rolling bodies are arranged between two side surfaces of the outer ring and the radial surface of the shaft ring respectively, and sealing pieces are arranged between two side surfaces of the outer ring and the radial surface of the baffle ring and the radial surface of the shaft ring respectively. Inside lubricating grease of this application can not leak outward, and outside impurity, moisture also can not enter inside the bearing, play good guard action to the bearing, extension revolving stage bearing life.
Description
Technical Field
The utility model relates to a revolving stage bearing technical field, in particular to take seal structure's revolving stage bearing.
Background
The bearing is an important part in modern mechanical equipment, and can be divided into a rolling bearing and a sliding bearing according to different friction properties of moving elements, the turntable bearing is required to be used when a turntable works, the turntable bearing is an open bearing, most of the turntable bearing is not provided with a sealing device, but part of customers cannot well protect the bearing when the turntable bearing is used, so that lubricating grease stored in the bearing fails, the service life of the turntable bearing is influenced, and the precision loss and even damage of the bearing are easily caused.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model provides a take seal structure's revolving stage bearing, simple structure has seal structure, plays good guard action to the bearing, extension revolving stage bearing life.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: a turntable bearing with a sealing structure, comprising: outer lane, inner circle and ring shaft, one side of inner circle is equipped with keeps off the ring, the ring shaft is kept away from to the fender ring that circles in, the outer lane cover is established on the outer circumference of inner circle, the inner circle passes through the connecting piece and is connected with the ring shaft, is equipped with a plurality of first rolling elements between the outer periphery of inner circle and the outer lane inner circle face, and the both sides face of outer lane is equipped with a plurality of second rolling elements and a plurality of third rolling elements, its characterized in that respectively with keeping off between the radial surface of ring and the radial surface of ring shaft: sealing elements are respectively arranged between the two side surfaces of the outer ring and the radial surface of the baffle ring and between the two side surfaces of the outer ring and the radial surface of the shaft ring.
Further, a plurality of the second rolling elements are disposed between the upper end surface of the outer ring and the radial surface of the retainer ring via the first cage.
Further, a plurality of the third rolling elements are provided between the lower end surface of the outer ring and the radial surface of the race by a second cage.
Further, the sealing element between the upper end surface of the outer ring and the radial surface of the baffle ring is a first sealing ring arranged on the baffle ring, and the first retainer is positioned in the first sealing ring.
Further, a sealing element between the lower end face of the outer ring and the radial face of the shaft ring is a second sealing ring mounted on the shaft ring, and the second retainer is located in the second sealing ring.
Further, the first sealing ring is a steel ring, and a rubber ring is arranged on one side, facing the outer ring, of the first sealing ring.
Further, the second sealing ring is a steel ring, and a rubber ring is arranged on one side, facing the outer ring, of the second sealing ring.
Furthermore, a first annular step is arranged on the lower end face of the baffle ring, and the first sealing ring is arranged on the annular step.
Furthermore, a second annular step is arranged on the upper end face of the shaft ring, and the second sealing ring is arranged on the second annular step.
Furthermore, a plurality of step-shaped through holes are uniformly distributed on the axial end face of the inner ring along the circumference of the inner ring, a plurality of thread through holes and straight holes are uniformly distributed on the axial end face of the shaft ring along the circumference of the shaft ring, and the inner ring and the shaft ring are installed together through screws penetrating through the step-shaped through holes and the thread through holes. The shaft ring and the inner ring are combined into a whole through a plurality of screws, so that the transportation and the bearing installation are facilitated.
The beneficial effect of this application does: the utility model provides a revolving stage bearing simple structure, inside lubricating grease can not leak outward, and outside impurity, moisture also can not enter inside the bearing, play good guard action to the bearing, extension revolving stage bearing life.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a partially enlarged view of a point a in fig. 1.
The labels in the figure are: 1. inner ring, 2, baffle ring, 3, second rolling body, 4, outer ring, 5, rubber ring, 6, second sealing ring, 7, third rolling body, 8, first rolling body, 9, second retainer, 10, first sealing ring, 11, screw, 12, shaft ring, 13 and first retainer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that in the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, rather than to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1-2, the present invention provides a turntable bearing with a sealing structure, including: the inner ring comprises an outer ring 4, an inner ring 1 and a shaft ring 12, wherein a baffle ring 2 is arranged on one side of the inner ring 1, the baffle ring 2 on the inner ring 1 is far away from the shaft ring 12, the baffle ring 2 and the inner ring 1 are integrally manufactured, the outer ring 4 is sleeved on the outer circumference of the inner ring 1, the inner ring 1 is connected with the shaft ring 12 through a connecting piece, a plurality of first rolling bodies 8 are arranged between the outer circumference surface of the inner ring 1 and the inner circumference surface of the outer ring 4, a plurality of second rolling bodies 3 and a plurality of third rolling bodies 7 are arranged between two side surfaces of the outer ring 4 and the radial surface of the baffle ring 2 and the radial surface of the shaft ring 12 respectively, and sealing pieces are arranged between two side surfaces of the outer ring 4 and the radial surface of the baffle ring 2 and the radial surface of the shaft ring 12 respectively.
Wherein, as shown in fig. 1 and fig. 2, a plurality of the second rolling element 3 is arranged between the upper end face of the outer ring 4 and the radial face of the baffle ring 2 through the first retainer 13, the sealing member between the upper end face of the outer ring 4 and the radial face of the baffle ring 2 is the first sealing ring 10 installed on the baffle ring 2, the first retainer 13 is located in the first sealing ring 10, the outer diameter of the first retainer 13 is smaller than the inner diameter of the first sealing ring 10, the first sealing ring 10 is a steel ring, the rubber ring 5 is arranged on one side of the first sealing ring 10 facing the outer ring 4, the lower end face of the baffle ring 2 is provided with a first annular step, the first sealing ring 10 is arranged on the annular step, the first sealing ring 10 and the annular step are in interference fit, the interference fit ensures good sealing performance, and the first retainer 13 is a brass retainer or a nylon retainer.
Specifically, it is a plurality of third rolling element 7 passes through second holder 9 and sets up between the lower terminal surface of outer lane 4 and the radial surface of shaft collar 12, sealing member between the lower terminal surface of outer lane 4 and the radial surface of shaft collar 12 is second sealing ring 6 of installing on shaft collar 12, second holder 9 is located second sealing ring 6, and the external diameter of second holder 9 is less than the internal diameter of second sealing ring 6, second sealing ring 6 is the steel ring, and second sealing ring 6 is equipped with rubber ring 5 towards one side of outer lane 4, be equipped with second annular step on the up end of shaft collar 12, second sealing ring 6 sets up on second annular step, and second sealing ring 6 is interference fit with second annular step, and second holder 9 is brass retainer or nylon retainer, and the external diameter of shaft collar 12 is greater than the external diameter of second holder 9, and the external diameter of shaft collar 12 is greater than the external diameter of first holder 13.
More specifically, the axial end face of the outer ring 6 is provided with a plurality of uniformly distributed fixing through holes for fixing the outer ring 6 and threaded holes for lifting the turntable bearing, grooves matched with the first sealing ring 10 and the second sealing ring 6 are formed in the two rubber rings 5, and the inner diameter of the shaft ring 12 is larger than that of the inner ring 1.
When the inner ring 1 rotates, the first rolling body 8, the second rolling body 3 and the third rolling body 7 are driven to rotate around the central line of the turntable bearing together, so that the second rolling body 3 and the third rolling body 7 can bear large axial load, the middle first rolling body 8 can bear large radial load and overturning moment, the first rolling body 8, the second rolling body 3 and the third rolling body 7 are cylindrical rollers, and the cylindrical rollers are ceramic rollers made of steel rollers or silicon nitride materials.
In addition, a plurality of step-shaped through holes are uniformly distributed on the axial end face of the inner ring 1 along the circumference, a plurality of thread through holes and straight holes are uniformly distributed on the axial end face of the shaft ring 12 along the circumference, the central diameter of the thread through holes and the central diameter of the straight holes uniformly distributed on the circumference are equal to the central diameter of the step-shaped through holes of the inner ring 1, the diameter of the thread through holes is slightly smaller than the diameter of the small ends of the step-shaped through holes of the inner ring 1, the diameter of the straight holes of the shaft ring 12 is equal to the diameter of the small ends of the step-shaped through holes of the inner ring 1, the set number of the thread through holes and the set number of the straight holes of the shaft ring 12 are equal to the set number of the step-shaped through holes of the inner ring 1, the inner ring 1 and the shaft ring 12 are installed together through screws 11 penetrating through the step-shaped through holes and the thread through holes, and the shaft ring, the outer ring and the inner ring are combined into a whole through a plurality of screws, so that the transportation and the bearing installation are convenient.
Further, as shown in fig. 1, the basic structure of the turntable bearing with a seal structure according to the present invention is composed of a retainer ring 2, a collar 12, an outer ring 4, an inner ring 1, a first retainer 13, a first rolling element 8, a second rolling element 3, a third rolling element 7, a second retainer 9, a first seal ring 10, a second seal ring 6, and a rubber ring 5. This application simple structure, inside lubricating grease can not leak outward, and outside impurity, moisture also can not enter inside the bearing, play good guard action to the bearing, extension revolving stage bearing life.
It should be noted that the above embodiments are only used for illustrating the present invention, but the present invention is not limited to the above embodiments, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention all fall into the protection scope of the present invention.
Claims (10)
1. A turntable bearing with a sealing structure, comprising: outer lane (4), inner circle (1) and shaft collar (12), one side of inner circle (1) is equipped with keeps off ring (2), the shaft collar (12) is kept away from in fender ring (2) on inner circle (1), outer lane (4) cover is established on the outer circumference of inner circle (1), inner circle (1) is connected with shaft collar (12) through the connecting piece, is equipped with a plurality of first rolling elements (8) between inner circle (1) outer periphery and outer lane (4) inner circumference, and the both sides face of outer lane (4) is equipped with a plurality of second rolling elements (3) and a plurality of third rolling element (7) respectively with the radial face that keeps off ring (2) and the radial face of shaft collar (12) between, its characterized in that: sealing elements are respectively arranged between the two side surfaces of the outer ring (4) and the radial surface of the baffle ring (2) and between the two side surfaces of the outer ring and the radial surface of the shaft ring (12).
2. The turntable bearing with a sealing structure according to claim 1, wherein: the plurality of second rolling bodies (3) are arranged between the upper end surface of the outer ring (4) and the radial surface of the retainer ring (2) through a first retainer (13).
3. The turntable bearing with a sealing structure according to claim 1, wherein: the third rolling elements (7) are arranged between the lower end surface of the outer ring (4) and the radial surface of the shaft ring (12) through a second retainer (9).
4. The turntable bearing with a sealing structure according to claim 2, wherein: the sealing element between the upper end face of the outer ring (4) and the radial surface of the baffle ring (2) is a first sealing ring (10) arranged on the baffle ring (2), and the first retainer (13) is positioned in the first sealing ring (10).
5. The turntable bearing with a sealing structure according to claim 3, wherein: the sealing element between the lower end face of the outer ring (4) and the radial face of the shaft ring (12) is a second sealing ring (6) installed on the shaft ring (12), and the second retainer (9) is located in the second sealing ring (6).
6. The turntable bearing with a sealing structure according to claim 4, wherein: the first sealing ring (10) is a steel ring, and one side, facing the outer ring (4), of the first sealing ring (10) is provided with a rubber ring (5).
7. The turntable bearing with a sealing structure according to claim 5, wherein: the second sealing ring (6) is a steel ring, and one side, facing the outer ring (4), of the second sealing ring (6) is provided with a rubber ring (5).
8. The turntable bearing with a sealing structure according to claim 4, wherein: the lower end face of the baffle ring (2) is provided with a first annular step, and the first sealing ring (10) is arranged on the annular step.
9. The turntable bearing with a sealing structure according to claim 5, wherein: and a second annular step is arranged on the upper end face of the shaft ring (12), and the second sealing ring (6) is arranged on the second annular step.
10. A turntable bearing with a sealing structure according to any one of claims 1 to 9, wherein: a plurality of stepped through holes are uniformly distributed on the axial end face of the inner ring (1) along the circumference of the inner ring, a plurality of threaded through holes and straight holes are uniformly distributed on the axial end face of the shaft ring (12) along the circumference of the shaft ring, and the inner ring (1) and the shaft ring (12) are installed together through screws (11) penetrating through the stepped through holes and the threaded through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220926975.7U CN218063107U (en) | 2022-04-21 | 2022-04-21 | Turntable bearing with sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220926975.7U CN218063107U (en) | 2022-04-21 | 2022-04-21 | Turntable bearing with sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218063107U true CN218063107U (en) | 2022-12-16 |
Family
ID=84427131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220926975.7U Active CN218063107U (en) | 2022-04-21 | 2022-04-21 | Turntable bearing with sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218063107U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115773372A (en) * | 2023-02-10 | 2023-03-10 | 成都托克密封件有限责任公司 | Combined sealing element and assembling device |
-
2022
- 2022-04-21 CN CN202220926975.7U patent/CN218063107U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115773372A (en) * | 2023-02-10 | 2023-03-10 | 成都托克密封件有限责任公司 | Combined sealing element and assembling device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |