CN209458288U - A kind of bearing and light torque bearing seal structure - Google Patents
A kind of bearing and light torque bearing seal structure Download PDFInfo
- Publication number
- CN209458288U CN209458288U CN201822178301.XU CN201822178301U CN209458288U CN 209458288 U CN209458288 U CN 209458288U CN 201822178301 U CN201822178301 U CN 201822178301U CN 209458288 U CN209458288 U CN 209458288U
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- China
- Prior art keywords
- ring
- bearing
- metal
- crochet
- elastic
- 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.)
- Expired - Fee Related
Links
- 239000002184 metal Substances 0.000 claims abstract description 65
- 229910052751 metal Inorganic materials 0.000 claims abstract description 65
- 238000002788 crimping Methods 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 35
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000004519 grease Substances 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000004610 Internal Lubricant Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000007759 kiss coating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Sealing Of Bearings (AREA)
Abstract
The utility model discloses a kind of light torque bearing seal structures, including outer ring to be fixed on the second metal o-ring of the first metal o-ring and inner ring of bearing outer ring inner wall to be fixed on bearing inner race outer wall；The inner ring of first metal o-ring is equipped with the first elastic crochet, and the outer ring of second metal o-ring is equipped with the second elastic crochet, and the described first elastic crochet and the second elastic crochet mutually hook, to seal bearing internal external circle.Above-mentioned light torque bearing seal structure both ends are fixed, middle part sealing, namely it is formed a fixed connection by two sealing rings with bearing internal external circle, the elastic crochet of two of two sealing elements in the middle part of bearing conduit mutually hooks realization sealing, under the premise of meeting sealing and connection, entire sealing structure is reduced to the friction torque of bearing.The invention also discloses a kind of bearings including above-mentioned light torque bearing seal structure.
Description
Technical field
The utility model relates to field of bearings more particularly to a kind of light torque bearing seal structures.The utility model also relates to
And a kind of bearing including above-mentioned light torque bearing seal structure.
Background technique
The sealing structure of bearing is used to prevent the pollutants such as external dust, water, mist from entering Bearing inner, while preventing axis
Internal lubricant grease leakage is held, guarantees that bearing works operation in a good working environment.
Existing single layer sealing structure generally uses the sealing ring or crimping kiss-coating lid of single lip, to guarantee sealing effect,
It needs to allow the rubber of sealing ring and inner ring outer diameter to carry out biggish interference, increases the torque of bearing.
Torque is caused to bearing, improves axis in conclusion how to reduce sealing structure under the premise of guaranteeing sealing effect
Speed is forwarded, those skilled in the art's urgent problem to be solved is become.
Utility model content
The purpose of the utility model is to provide a kind of light torque bearing seal structure, structure is simple, the friction to bearing
Small and then bring torque is small, can significantly improve bearing revolving speed.The another object of the utility model is to provide a kind of bearing,
Internal torque is small, it can be achieved that higher rotation speed.
To achieve the above object, the utility model provides a kind of light torque bearing seal structure, comprising:
First metal o-ring of the outer ring to be fixed on bearing outer ring inner wall, the inner ring of first metal o-ring are set
There is the elastic crochet of annular in shape first；
Second metal o-ring of the inner ring to be fixed on bearing inner race outer wall, the outer ring of second metal o-ring is set
There is the elastic crochet of annular in shape second；
Described first elastic crochet and the second elastic crochet mutually hook, to seal bearing inner race and bearing outer ring.
Preferably, the outer ring of first metal o-ring twists towards side, to be formed to riveting in bearing outer ring
The crimping of inner wall.
Preferably, the inner ring of second metal o-ring is bent towards side, to be formed to riveting in bearing inner race
The flanging of outer wall.
Preferably, the inner ring of first metal o-ring includes the first folding bent towards the open side of the crimping
Face；The outer ring of second metal o-ring includes the second folding face far from flanging side bending, and first folding face is flat
Row is in second folding face.
Preferably, the first elastic crochet for being fixed on first folding face fits in second folding face, is fixed on described
The elastic crochet of the second of second folding face fits in first folding face.
Preferably, the outlying side from the described second elastic crochet of first elastic hook is recessed with first to be recessed inwardly
Slot；The outlying side from the described first elastic crochet of second elastic hook has the second groove being recessed inwardly.
Preferably, the surface of first metal o-ring and second metal o-ring is equipped with zinc coat.
Preferably, the material of the described first elastic crochet and the second elastic crochet is rubber.
The utility model provides a kind of bearing, including above-mentioned light torque bearing seal structure, further includes bearing inner race, bearing
Outer ring and multiple steel balls in the conduit that the bearing inner race and the bearing outer ring are formed.
Preferably, the bearing outer ring inner wall is equipped with the first mounting groove for the crimping riveting, in the bearing
Ring outer wall is equipped with the second mounting groove for the flanging riveting.
Relative to above-mentioned background technique, light torque bearing seal structure provided by the utility model is one kind by the first gold medal
Belong to sealing ring and the concentric ring set of the second metal o-ring and be formed by combined sealing structure, wherein the first metal o-ring and the
Two metal o-rings are respectively fixedly connected with bearing outer ring inner wall, bearing inner race outer wall, and two sealing rings are then in bearing internal external
It encloses in the middle part of formed conduit and mutually hooks by respective elastic crochet to realize sealing.Above-mentioned light torque bearing seal structure with
The connection of bearing by two sealing rings and bearing internal external circle the realization that is fixedly connected, and seal then by be located at bearing conduit in the middle part of
The hook of two elastic crochets realizes that shape cooperation plus appropriate interference can guarantee sealing effect, thus reduce entire sealing
The friction torque that structure generates bearing.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the structural schematic diagram of bearing provided by the utility model embodiment；
Fig. 2 is the structure of the first metal o-ring in light torque bearing seal structure provided by the utility model embodiment
Schematic diagram；
Fig. 3 is the structure of the second metal o-ring in light torque bearing seal structure provided by the utility model embodiment
Schematic diagram.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In order to make those skilled in the art more fully understand the utility model, with reference to the accompanying drawing and specifically
The utility model is described in further detail for embodiment.
Fig. 1-Fig. 3 is please referred to, Fig. 1 is the structural schematic diagram of bearing provided by the utility model embodiment；Fig. 2 is this reality
The structural schematic diagram of first metal o-ring in the light torque bearing seal structure provided by new embodiment；Fig. 3 is this reality
The structural schematic diagram of second metal o-ring in the light torque bearing seal structure provided by new embodiment.
Light torque bearing seal structure provided by the utility model includes end to end first metal o-ring, 11 He
Second metal o-ring 21, wherein the outer ring of the first metal o-ring 11 is to be fixed on 4 inner wall of bearing outer ring, the second metal
Second metal o-ring 21 of the inner ring of sealing ring 21 to be fixed on 5 outer wall of bearing inner race, and the first metal o-ring 11
Inner ring is equipped with the elastic crochet 12 of annular in shape first, and the outer ring of the second metal o-ring 21 is equipped with the elastic crochet of annular in shape second
22；First elastic crochet 12 and the second elastic crochet 22 mutually hook, to be located on bearing inner race 5 and bearing outer ring 4 with one heart
Between, realize bearing seal effect.
Since sealing structure refers specifically to the sealing along the annular channel face of bearing radial direction, thus first for the sealing of bearing
Annular shape is presented in metal o-ring 11, the second metal o-ring 21 and the first elastic crochet 22 of elastic crochet 12, second, and
It is arranged concentrically during installation.
In addition, the first elastic crochet 12 and the second elastic crochet 22, which mutually hook, refers specifically to shape between the two and position
Cooperation is not meant to that the first elastic crochet 12 and the second elastic crochet 22 centainly generate extruding during hook.Such as
First elastic crochet 12 can fit in the second elastic crochet 22, and the first elastic crochet 12 can also fit in the second metal o-ring 21
The side of inner ring, otherwise the second elastic crochet 22.
The fixation of first metal o-ring 11 and the first elastic crochet 12, the second metal o-ring 21 and the second elastic crochet
The mode that stickup can be used in 22 fixation realizes that the further second elastic crochet 22 also can be used the mode that vulcanization is pasted and paste
In the outer ring of the second metal o-ring 21, to improve the bonding strength and corrosion resistant erosion degree of pasting position.
It should be noted that it is aforementioned and thereafter for the description of sealing structure should be considered as any one end face of bearing with
Structure between the external world, namely entire bearing seal structure should be symmetrical arranged using the plane where whole steel balls 3 as symmetry axis.
Light torque bearing seal structure provided by the utility model compared with prior art, realizes both ends and fixes, in
Portion's sealing.In other words, the sealing of sealing structure and connection are split into two steps, sealed only by 11 inner ring of the first metal o-ring
The first elastic crochet 12 and the elastic crochet of 21 outer ring of the second metal o-ring realize, do not consider the connection with bearing at this time,
Without larger magnitude of interference；And connect and then realized by the inner ring of the outer ring of the first metal o-ring 11 and the second metal o-ring 21,
It at this time without considering the movement of bearing, thus uses and is fixedly connected, to guarantee bonding strength.
With reference to the accompanying drawing and embodiment, light torque bearing seal structure provided by the utility model is done more into one
The explanation of step.
The outer ring of first metal o-ring 11 twists towards side, to be formed to riveting in the volume of 4 inner wall of bearing outer ring
Side 111.
The outer ring of first metal o-ring 11 is bent towards any one roll, and the crimping for encompassing a circle is formed in its outer rim
111, it between first metal o-ring, 11 riveting and the Internal and external cycle of bearing, will be made steady with bearing outer ring 4 will pass through crimping 111
It is solidly connected.
The inner ring of second metal o-ring 21 is bent towards side, to be formed to riveting in the folding of 5 outer wall of bearing inner race
Side 211.That is, the outer ring of the second metal o-ring 21 is bent towards any one side, bending part and the second metal sealing
The angle of the main part of circle 21 forms the flanging 211 of a circle close to right angle, in its outer rim, will pass through flanging 211 for second
21 riveting of metal o-ring is in 5 outer wall of bearing inner race.Since flanging 211 fits in 5 outer wall of bearing inner race after riveting, work as bearing
When 5 outer wall of inner ring is equipped with scalariform mounting groove, flanging 211 is tightly attached to the profile of mounting groove, connects to consolidate with 5 outer wall of bearing inner race
It connects.
During installation, crimping 111 and flanging 211 are towards placement on the outside of bearing, to simplify installation.
In view of the limited width of the conduit between bearing internal external circle, in order to expand the first elastic crochet 12 and the second elasticity
The volume of crochet 22, while expanding contact area between the two, to enhance sealing effect, the inner ring of the first metal o-ring 11
The first folding face 112 including the open side bending towards crimping 111, the outer ring of the second metal o-ring 21 include far from flanging
Second folding face 212 of 211 side bending, and the first folding face 112 is parallel to the second folding face 212.
The set-up mode of above-mentioned folding face, which can be regarded as, bends one piece of plane towards different directions, makes its section that polyline shaped be presented,
And first folding face 112 and the second folding face 212 end, namely be each located on the plane at edge and be parallel to each other, so as to the first bullet
Property crochet 12 and the second elastic crochet 22 dimensional fits.
Further, the first elastic crochet 12 for being fixed on the first folding face 112 fits in the second folding face 212, is fixed on the
The elastic crochet 22 of the second of two folding faces 212 fits in the first folding face 112.
Preferably, the end of the first folding face 112 compared to the second folding face 212 end closer to bearing inner race 5, and
The end of two folding faces 212 is then than the end of the first folding face 112 closer to bearing outer ring 4, to be in work when entire sealing structure
When making state, as active force of the external force to sealing structure increases, the first elastic crochet 12 and second the 212, second elasticity of folding face
Deformation extent between crochet 22 and the first folding face 112 also increases with it.
Based on any of the above embodiments, the first elastic crochet 12 far from the side of the second elastic crochet 22 have to
First groove 121 of sunken inside；Second elastic crochet 22 has second to be recessed inwardly far from the side of the first elastic crochet 12
Groove 221.Specifically, the first elastic crochet 12 and the second elastic crochet 22 are set to the first folding face 112 being parallel to each other and the
Between two folding faces 212, the first elastic crochet 12 has the first groove 121 being recessed inwardly close to extraneous side, transports in bearing
During turning, the first elastic crochet 12 is constantly impacted from extraneous dust, causes the first slot side 1211 of the first groove 121 anti-
To deformation, and the second folding face 212 is pressed on, and with the increase of surge, the deflection of the first slot side 1211 increases, namely
The magnitude of interference generated by extruding between the second folding face 212 increases, and dust-proof effect is promoted.Similarly, the second elastic hook
Side 22 has the second groove 221 being recessed inwardly, during bearing operation, the oil of Bearing inner close to the side of Bearing inner
Rouge is by the elastic crochet 22 of inertia impact second, 2211 reversal deformation of the second slot side of the second groove 221, and with the impact of grease
Power increases, and the magnitude of interference between the second slot side 2211 and the first folding face 112 is also bigger, is promoted to the leakproofness of grease.
First metal o-ring 11 and the second metal o-ring 21 are preferably steel, and the two surface is equipped with zinc coat,
To improve the corrosion resistance of the first metal o-ring 11 and the second metal o-ring 21.Certainly, the first metal o-ring 11 and
Two metal o-rings 21 can also use other metal materials, as long as the working environment and working strength that meet Bearing inner are i.e.
It can.The material of first elastic crochet 12 and the second elastic crochet 22 is rubber.
Above-mentioned light torque bearing seal structure is using the first metal o-ring 11 and the second metal o-ring 21 and respectively
The the first elastic crochet 12 and the second elastic crochet 22 of being fixed on the two collectively form the sealing structure between bearing internal external circle, real
Show both ends to fix, middle part sealing.What the magnitude of interference between the first slot side 1211 and the second folding face 212 was impacted with extraneous dust
Increase and increase, reduces with the reduction of extraneous dust impact；Magnitude of interference between second slot side 2211 and the first folding face 112 with
Internal grease impact increase and increase, with internal grease impact reduction and reduce.In other words, the light torque bearing seal
The sealing state of structure voluntarily carries out dynamic adjustment with the working condition of bearing, it is not necessary that biggish magnitude of interference is provided previously, to axis
It is small to manufacture into friction torque.
A kind of bearing that the utility model also provides, including any of the above-described kind light torque bearing seal structure further includes bearing
Inner ring 5, bearing outer ring 4 and multiple steel balls 3 in the conduit that bearing inner race 5 and bearing outer ring 4 are formed.
Further, 4 inner wall of bearing outer ring is equipped with the first mounting groove 41 for 111 riveting of crimping, outside bearing inner race 5
Wall is equipped with the second mounting groove 51 for 211 riveting of flanging.
The other structures of bearing are depending on the concrete model of bearing, related setting during refer to the prior art, herein
It repeats no more.
Bearing provided by the utility model and light torque bearing seal structure are described in detail above.Herein
Specific case is applied to be expounded the principles of the present invention and embodiment, the explanation of above example is only intended to
Help understands the method and its core concept of the utility model.It should be pointed out that coming for those skilled in the art
It says, without departing from the principle of this utility model, several improvements and modifications can be made to this utility model, these change
Into in the protection scope for also falling into the utility model claims with modification.
Claims (10)
1. a kind of light torque bearing seal structure characterized by comprising
First metal o-ring (11) of the outer ring to be fixed on bearing outer ring (4) inner wall, first metal o-ring (11)
Inner ring be equipped with the elastic crochet (12) of annular in shape first；
Second metal o-ring (21) of the inner ring to be fixed on bearing inner race (5) outer wall, second metal o-ring (21)
Outer ring be equipped with the elastic crochet (22) of annular in shape second；
Described first elastic crochet (12) and the second elastic crochet (22) mutually hook, to seal bearing inner race (5) and axis
Bearing outer-ring (4).
2. light torque bearing seal structure according to claim 1, which is characterized in that first metal o-ring (11)
Outer ring twist towards side, with formed to riveting in the crimping (111) of bearing outer ring (4) inner wall.
3. light torque bearing seal structure according to claim 2, which is characterized in that second metal o-ring (21)
Inner ring towards side bend, with formed to riveting in the flanging (211) of bearing inner race (5) outer wall.
4. light torque bearing seal structure according to claim 3, which is characterized in that first metal o-ring (11)
Inner ring include towards the crimping (111) open side bend the first folding face (112), second metal o-ring (21)
Outer ring include far from the flanging (211) side bending the second folding face (212)；First folding face (112) is parallel to institute
State the second folding face (212).
5. light torque bearing seal structure according to claim 4, which is characterized in that be fixed on first folding face
(112) the elastic crochet (12) of first fits in second folding face (212), is fixed on the second of second folding face (212)
Elastic crochet (22) fits in first folding face (112).
6. according to the described in any item light torque bearing seal structures of claim 3 to 5, which is characterized in that first elasticity
Crochet (12) has the first groove (121) being recessed inwardly far from the side of the described second elastic crochet (22)；Second bullet
Property crochet (22) far from side of described first elastic crochet (12) there is the second groove (221) being recessed inwardly.
7. light torque bearing seal structure according to claim 6, which is characterized in that first metal o-ring (11)
Zinc coat is equipped with the surface of second metal o-ring (21).
8. light torque bearing seal structure according to claim 7, which is characterized in that the first elastic crochet (12) and
The material of described second elastic crochet (22) is rubber.
9. a kind of bearing, including such as the described in any item light torque bearing seal structures of claim 3 to 8, which is characterized in that also
Including bearing inner race (5), bearing outer ring (4) and multiple slots formed set on the bearing inner race (5) and the bearing outer ring (4)
Steel ball (3) in road.
10. bearing according to claim 9, which is characterized in that bearing outer ring (4) inner wall is equipped with for the volume
First mounting groove (41) of side (111) riveting, bearing inner race (5) outer wall are equipped with for the flanging (211) riveting
Second mounting groove (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822178301.XU CN209458288U (en) | 2018-12-24 | 2018-12-24 | A kind of bearing and light torque bearing seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822178301.XU CN209458288U (en) | 2018-12-24 | 2018-12-24 | A kind of bearing and light torque bearing seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209458288U true CN209458288U (en) | 2019-10-01 |
Family
ID=68041822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822178301.XU Expired - Fee Related CN209458288U (en) | 2018-12-24 | 2018-12-24 | A kind of bearing and light torque bearing seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209458288U (en) |
-
2018
- 2018-12-24 CN CN201822178301.XU patent/CN209458288U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191001 |