CN220396293U - Bearing outer ring with lubrication groove - Google Patents
Bearing outer ring with lubrication groove Download PDFInfo
- Publication number
- CN220396293U CN220396293U CN202322045994.6U CN202322045994U CN220396293U CN 220396293 U CN220396293 U CN 220396293U CN 202322045994 U CN202322045994 U CN 202322045994U CN 220396293 U CN220396293 U CN 220396293U
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- CN
- China
- Prior art keywords
- sealing
- limiting
- shaft
- filling hole
- driving
- Prior art date
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- 238000005461 lubrication Methods 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 82
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 230000000670 limiting effect Effects 0.000 claims description 50
- 230000007246 mechanism Effects 0.000 claims description 8
- 239000000945 filler Substances 0.000 claims description 7
- 239000003921 oil Substances 0.000 description 36
- 230000000694 effects Effects 0.000 description 6
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000009347 mechanical transmission Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The utility model relates to the technical field of bearings, in particular to a bearing outer ring with a lubrication groove, which comprises an outer steel ring, wherein the inner wall of the outer steel ring is provided with the lubrication groove, and the outer steel ring is provided with an oil filling hole communicated with the lubrication groove, and the oil filling hole can be closed or opened by a sealing structure; the sealing structure is provided with at least a driving end and a sealing end, the driving end can drive the sealing end to rotate and seal or open, so that the purpose of sealing and opening the oil filling hole is achieved.
Description
Technical Field
The utility model relates to the technical field of bearings, in particular to a bearing outer ring with a lubrication groove.
Background
The bearing is one of the components widely applied in the mechanical field, and the bearing is needed to support the rotating body in the process of various mechanical transmissions so as to achieve stable mechanical transmission.
At present, in order to ensure stable use of the bearing, lubricating oil needs to be added into the bearing at regular intervals, so that a bearing outer ring with a lubricating groove (refer to publication number CN 219035310U) is designed at present, however, the bearing outer ring with the lubricating groove has the advantage of being convenient for adding the lubricating oil, but the sealing requirement on the oil filling hole is severe, and the sealing on the oil filling hole is mainly carried out by adopting a rubber plug at present, however, the rubber plug is easy to fall off due to frequent disassembly, so that the lubricating oil is leaked, and the use of the bearing is affected.
In view of the above, it is desirable to provide a bearing outer race that is stable in sealing an oil filler hole to solve the above-mentioned problems.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide a bearing outer ring with a lubrication groove, which aims to solve the problems in the prior art.
The technical scheme of the utility model is realized as follows: the utility model provides a bearing outer lane with lubrication groove, includes outer steel ring, wherein is formed with the lubrication groove on the outer steel ring inner wall to be equipped with the oil filler point with the lubrication groove intercommunication on outer steel ring, its characterized in that: the oil filling hole can be closed or opened by the sealing structure;
the sealing structure is provided with at least a driving end and a sealing end, and the driving end can drive the sealing end to rotate;
the sealing end can be rotationally driven to switch between a closed mode and an open mode;
in the sealing mode, the sealing end at least forms a sealing point in the oil filling hole and seals the oil filling hole;
in the opening mode, the sealing end at least forms an oil inlet area with two open ends in the oil filling hole, and the oil filling hole is opened.
Preferably, it is: the sealing structure comprises:
a rotating body;
sealing the film sleeve;
a driving mechanism for controlling the rotation of the rotator;
the rotary body is arranged in the oil filling hole and is provided with an opening for mounting any end of the sealing film sleeve;
the two ends of the sealing film sleeve are opened and are provided with oil inlet channels, and the two ends of the sealing film sleeve are respectively fixed at the opening position of the rotating body and the input end of the oil filling hole.
By adopting the technical scheme:
the sealing structure of the utility model utilizes the rotating body to control the sealing film sleeve to realize sealing, when in sealing, the rotating body rotates, one end of the sealing film sleeve rotates and causes the whole sealing film sleeve to rotate and twist until the sealing film sleeve is partially twisted and extruded, thereby realizing the sealing of the oil filling hole, and when in opening, the rotating body is controlled to relatively reverse, so that the twisting degree of the sealing film sleeve is gradually relieved, and the oil filling hole is opened, thereby opening the oil filling hole;
in summary, the sealing structure of the utility model does not need to be disassembled frequently, so that the sealing effect of the oil filling hole is more stable compared with that of the rubber plug.
Preferably, it is: the driving mechanism includes:
the driving body is formed in the outer steel ring;
a driving shaft for controlling the rotation of the driving body;
the limiting structure is used for driving one end of the shaft and is provided with at least one limiting end;
wherein, an active area for the limit structure to move is formed on the outer wall of the outer steel ring;
and a gear ring meshed with each other is arranged between the driving body and the rotating body.
Preferably, it is: the limit structure comprises:
the connecting part consists of an inner shaft and an outer shaft which can axially slide relatively, and the outer shaft is connected with the driving shaft;
a compression spring formed between the inner shaft and the outer shaft;
the limiting body is connected with the inner shaft and provided with a driving matching groove;
wherein, a limit chute and a limit rib which are mutually matched are formed between the outer wall of the inner shaft and the inner wall of the outer shaft;
and a limiting check ring which can be contacted with the top of the limiting body is formed on the inner wall of the movable area.
By adopting the technical scheme:
in order to control the rotating body, the driving mechanism is arranged on the outer steel ring, the purpose of controlling the rotating body to rotate can be achieved by using the driving mechanism, the limiting body can be abutted against the limiting check ring under the driving of the compression spring, so that the sealing of the outer steel ring and the limiting body is achieved, the rotation of the driving body is limited, the limiting effect on the rotating body is achieved, and the purpose of stably closing or opening the sealing film sleeve is achieved.
Preferably, it is: and a sealing ring is arranged on the limiting body and/or the limiting retainer.
Preferably, it is: and the matching surface of the limiting body and/or the limiting retainer ring is provided with a sealing groove for the sealing ring to be clamped in.
By adopting the technical scheme:
according to the utility model, the sealing rings and/or the sealing grooves are arranged on the limiting body and the limiting retainer ring grid stem, so that the sealing effect between the limiting body and the limiting retainer ring grid stem can be improved.
In addition, other advantages of the present utility model will be presented in the examples section of the present utility model, thereby making the advantageous effects of the present utility model more remarkable.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic structural diagram of an embodiment 1 of the present utility model;
FIG. 2 is a schematic cross-sectional view of embodiment 1 of the present utility model;
fig. 3 is an enlarged view of a portion a in fig. 2;
FIG. 4 is a schematic structural diagram of embodiment 2 of the present utility model;
fig. 5 is an enlarged view of a portion B in fig. 4;
fig. 6 is an enlarged view of a portion C in fig. 5;
fig. 7 is a schematic cross-sectional mating view of the inner and outer shafts of embodiment 2 of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1 to 3, the present utility model discloses a bearing outer ring with lubrication grooves, which comprises an outer rim 10, wherein the inner wall of the outer rim 10 is formed with lubrication grooves 11, and the outer rim 10 is provided with oil injection holes 12 communicating with the lubrication grooves 11, in this embodiment: the oil filling hole 12 can be closed or opened by a sealing structure;
the sealing structure is provided with at least a driving end and a sealing end, and the driving end can drive the sealing end to rotate;
the sealing end can be rotationally driven to switch between a closed mode and an open mode;
in the closed mode, the sealing end forms a sealing point at least in the oil filler hole 12 and closes the oil filler hole 12;
in the open mode, the sealed end forms an oil inlet area with both ends open in at least the oil filler hole 12, and opens the oil filler hole.
In this embodiment: the sealing structure comprises:
a rotating body 20;
a seal film cover 21 (made of flexible material such as rubber and the like, and is a seal end);
a driving mechanism (not shown in this embodiment, refer to embodiment 2, which is a driving end) for controlling the rotation of the rotating body 20;
wherein, the rotator 20 is arranged in the oil filling hole 12 and is provided with an opening 200 for installing any end of the sealing film sleeve 21;
the two ends of the sealing film sleeve 21 are open and form an oil inlet channel (as an oil inlet area), and the two ends of the sealing film sleeve 21 are respectively fixed at the position of the opening 200 of the rotating body 20 and the input end of the oil filling hole 12.
Referring to fig. 1-3, the principle of this embodiment is:
in this embodiment, in the closed mode, the rotating body is rotated, and drives the bottom end of the sealing film sleeve to rotate, and makes the sealing film sleeve integrally twist, and in the twisting process, the inner walls of the oil inlet channels formed by the sealing film sleeve are mutually contacted and closed, so that the sealing of the oil filling holes is completed, and when the rotating body is opened, the rotating body is driven to reversely rotate, so that the twisted sealing film sleeve is gradually loosened until the oil inlet channels are opened, and in this state, the oil filling work can be performed to the lubrication grooves through the oil filling holes.
In summary, the embodiment can achieve the purpose of closing or opening the oil filling hole by controlling the form of the sealing film sleeve, and the rotary body and the sealing film sleeve do not need to be disassembled, compared with the prior art, the oil filling hole oil filling problem caused by loosening of the rubber plug is avoided.
Example 2 is different from the example in that
As shown in fig. 4-7, in this embodiment: the driving mechanism includes:
a driving body 30 formed in the outer rim 10;
a driving shaft 31 for controlling rotation of the driving body 30;
a limiting structure, wherein one end of the driving shaft 31 is provided with at least one limiting end;
wherein, the outer wall of the outer steel ring 10 is provided with an active area 4 for the limit structure to move;
a ring gear 32 is provided between the driving body 30 and the rotating body 20.
In this embodiment: the limit structure comprises:
a connecting portion composed of an inner shaft 40 and an outer shaft 41 which are axially slidable relative to each other, the outer shaft 41 being connected to the drive shaft 31;
a hold-down spring 42 formed between the inner shaft 40 and the outer shaft 41;
a stopper 43 connected to the inner shaft 40 and having a drive engagement groove 44;
wherein, a limit chute 46 and a limit rib 45 which are mutually matched are formed between the outer wall of the inner shaft 40 and the inner wall of the outer shaft 41;
a limit retainer ring 47 capable of contacting with the top of the limit body 43 is formed on the inner wall of the movable region 4.
In this embodiment: the limiting body 43 is provided with a sealing ring 50.
In this embodiment: the sealing groove 50a for the sealing ring 50 to be clamped in is arranged on the matching surface of the limiting retainer ring 47 and the limiting body 43.
In this embodiment, the sealing ring 50 and the limiting body 43 are coaxially arranged, the movable area 4 is a recessed area recessed on the outer wall of the outer steel ring 10, and the driving matching groove 44 on the limiting body 43 may be in a shape of a straight line.
Referring to fig. 4-7, in this embodiment:
when the rotating body is required to be controlled to rotate, a tool (such as a screwdriver, a screwdriver and the like) is used for aligning with a driving matching groove of the limiting body and pressing the driving matching groove to separate the limiting body from the limiting check ring, and the limiting body is rotated, because the limiting ribs and the limiting sliding grooves are arranged on the matching surfaces of the inner shaft and the outer shaft (the limiting ribs and the limiting sliding grooves can enable the inner shaft and the outer shaft to axially slide but cannot rotate relatively), when the inner shaft rotates, the outer shaft drives the driving shaft to rotate and further drives the driving body to rotate and the rotating body matched with the driving body to rotate, so that the sealing or opening of the sealing film sleeve is controlled;
when the control of the rotating body is completed, the limiting body is loosened, the limiting body is reset by the compression spring and is in close contact with the limiting check ring, and after the limiting body is in close contact with the limiting check ring, the limiting body stops rotating, so that the limiting membrane sleeve and the rotating body are kept in the current state, and the limiting effect on the limiting membrane sleeve and the rotating body is achieved;
it should be noted that:
sealing washer and seal groove that directly set up at spacing body and spacing retaining ring not only can improve sealed effect between the two, also can play the location effect to spacing body for possess better effect of compressing tightly through compressing spring between spacing body and the spacing retaining ring.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (6)
1. The utility model provides a bearing outer lane with lubrication groove, includes outer steel ring, wherein is formed with lubrication groove (11) on outer steel ring (10) inner wall to be equipped with oil filler point (12) with lubrication groove (11) intercommunication on outer steel ring (10), its characterized in that: the oil filling hole (12) can be closed or opened by a sealing structure;
the sealing structure is provided with at least a driving end and a sealing end, and the driving end can drive the sealing end to rotate;
the sealing end can be rotationally driven to switch between a closed mode and an open mode;
in the closed mode, the sealing end forms a sealing point at least in the oil filling hole (12) and closes the oil filling hole (12);
in the open mode, the sealing end forms an oil inlet area with two open ends at least in the oil filling hole (12), and opens the oil filling hole.
2. A bearing outer race having lubrication grooves as defined in claim 1, wherein: the sealing structure comprises:
a rotating body (20);
a sealing film sleeve (21);
a driving mechanism for controlling the rotation of the rotating body (20);
wherein the rotating body (20) is arranged in the oil filling hole (12) and is provided with an opening (200) for mounting any end of the sealing film sleeve (21);
the two ends of the sealing film sleeve (21) are open and are provided with oil inlet channels, and the two ends of the sealing film sleeve (21) are respectively fixed at the position of the opening (200) of the rotating body (20) and the input end of the oil filling hole (12).
3. A bearing outer race having lubrication grooves according to claim 2, characterized in that: the driving mechanism includes:
a driving body (30) formed in the outer rim (10);
a drive shaft (31) for controlling rotation of the drive body (30);
the limiting structure is provided with at least one limiting end at one end of the driving shaft (31);
wherein, an active area (4) for the limit structure to move is formed on the outer wall of the outer steel ring (10);
a gear ring (32) meshed with each other is arranged between the driving body (30) and the rotating body (20).
4. A bearing outer race having lubrication grooves according to claim 3, characterized in that: the limit structure comprises:
a connection part composed of an inner shaft (40) and an outer shaft (41) which can axially slide relative to each other, the outer shaft (41) being connected to the drive shaft (31);
a hold-down spring (42) formed between the inner shaft (40) and the outer shaft (41);
a limit body (43) connected with the inner shaft (40) and provided with a driving matching groove (44);
wherein, a limit chute (46) and a limit rib (45) which are mutually matched are formed between the outer wall of the inner shaft (40) and the inner wall of the outer shaft (41);
and a limiting check ring (47) which can be contacted with the top of the limiting body (43) is formed on the inner wall of the movable area (4).
5. A bearing outer race having lubrication grooves according to claim 4, characterized in that: and a sealing ring (50) is arranged on the limiting body (43) and/or the limiting retainer ring (47).
6. A bearing outer race having lubrication grooves according to claim 5, characterized in that: the matching surface of the limiting body (43) and/or the limiting retainer ring (47) is provided with a sealing groove (50 a) for the sealing ring (50) to be clamped in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322045994.6U CN220396293U (en) | 2023-08-01 | 2023-08-01 | Bearing outer ring with lubrication groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322045994.6U CN220396293U (en) | 2023-08-01 | 2023-08-01 | Bearing outer ring with lubrication groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220396293U true CN220396293U (en) | 2024-01-26 |
Family
ID=89607983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322045994.6U Active CN220396293U (en) | 2023-08-01 | 2023-08-01 | Bearing outer ring with lubrication groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220396293U (en) |
-
2023
- 2023-08-01 CN CN202322045994.6U patent/CN220396293U/en active Active
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| GR01 | Patent grant |