CN209800544U - High-precision oil-free bearing - Google Patents
High-precision oil-free bearing Download PDFInfo
- Publication number
- CN209800544U CN209800544U CN201920491095.XU CN201920491095U CN209800544U CN 209800544 U CN209800544 U CN 209800544U CN 201920491095 U CN201920491095 U CN 201920491095U CN 209800544 U CN209800544 U CN 209800544U
- Authority
- CN
- China
- Prior art keywords
- bearing
- bearing inner
- inner race
- outer ring
- closing cap
- 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
- 238000005096 rolling process Methods 0.000 claims abstract description 32
- 238000007789 sealing Methods 0.000 claims description 14
- 239000003921 oil Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 4
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 4
- 239000000428 dust Substances 0.000 abstract description 6
- 239000002245 particle Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
the utility model discloses a high accuracy oilless bearing, including bearing inner race, bearing inner race and rolling element, roll in the cavity between bearing inner race and the bearing inner race and install the rolling element, the notch cuttype mounting groove has all been seted up at both ends about both ends and the outside of bearing inner race about the inboard of bearing inner race, there is the closing cap in the notch cuttype mounting groove of bearing inner race and bearing inner race, every the even welded connection of medial surface of closing cap has four T type supports, the both ends slip joint of T type support is in the lateral wall of bearing inner race and bearing inner race. The utility model discloses a be provided with the closing cap between bearing inner race and bearing inner race, can effectively block inside external dust particle enters into the bearing, influence the use precision of bearing, the lower surface mounting of closing cap has T type support, and the lower extreme slidable mounting of T type support can play the effect fixed to the closing cap on the inner wall of bearing inner race and the outer wall of bearing inner race, prevents that the closing cap from breaking away from the bearing.
Description
Technical Field
The utility model belongs to the technical field of bearing device, concretely relates to high accuracy does not have oil bearing.
Background
The oilless bearing is a novel lubricated bearing with the characteristics of both a metal bearing and an oilless lubricated bearing, a metal matrix bears load, and a solid lubricating material with a special formula plays a lubricating role. The bearing has the characteristics of high bearing capacity, impact resistance, high temperature resistance, strong self-lubricating capacity and the like, is particularly suitable for occasions with difficult lubrication and oil film formation such as heavy load, low speed, reciprocation or swing and the like, and is not afraid of water flushing and erosion and flushing of other acid liquor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high accuracy does not have oil bearing to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high accuracy oilless bearing, includes bearing inner race, bearing inner race and rolling element, the rolling element of installing in the cavity between bearing inner race and the bearing inner race, the notch cuttype mounting groove has all been seted up at both ends about both ends and the outside of bearing inner race about the inboard of bearing inner race, common slidable mounting has the closing cap in the notch cuttype mounting groove at both ends about bearing inner race and the bearing inner race, every the even welded connection of medial surface of closing cap has four T type supports, the both ends slip joint of T type support is in the lateral wall of bearing inner race and bearing inner race, correspond T type support both ends position department on the lateral wall of bearing inner race and all seted up the spout, the ball is all installed through the pivot rotation in the slotted hole at both ends about one side that the closing cap was kept away from.
Preferably, the inner side wall of the bearing outer ring and the outer side wall of the bearing inner ring are provided with arc-shaped chutes matched with the shapes of the rolling bodies at positions corresponding to the rolling bodies.
Preferably, the cross section of the sealing cover is in a step shape matched with the step-shaped mounting groove.
This set up the closing cap and match the installation each other with the notch cuttype mounting groove, can effectively block outside dust particle and enter into inside the bearing, avoid influencing the use precision of bearing.
Preferably, the rolling body is a round ball made of silicon carbide, and a polytetrafluoroethylene coating is sprayed on the surface of the rolling body.
The rolling body is a ball made of silicon carbide, has good functions of friction reduction, wear resistance and lubrication, and can provide good lubricant for the rolling body as the polytetrafluoroethylene coating is sprayed on the outer surface of the rolling body.
The utility model discloses a technological effect and advantage: the utility model is provided with a sealing cover between the bearing outer ring and the bearing inner ring, which can effectively prevent the external dust particles from entering the bearing, avoid the dust particles adhered inside the bearing, and influence the use precision of the bearing, the lower surface of the sealing cover is provided with a T-shaped bracket, the lower end of the T-shaped bracket is slidably arranged on the inner wall of the bearing outer ring and the outer wall of the bearing inner ring, which can fix the sealing cover and prevent the sealing cover from separating from the bearing, and the two ends of the T-shaped bracket are respectively provided with a ball through the rotation of a rotating shaft, which can reduce the friction between the T-shaped bracket and the inner wall of the bearing outer ring and the outer wall of the bearing inner ring, the inner side wall of the bearing outer ring and the outer side wall of the bearing inner ring are both provided with arc chutes matched with the shape of the rolling body, which can limit the rolling, affecting the coaxiality and normal use of the bearing.
Drawings
Fig. 1 is a schematic structural view of the present invention;
Fig. 2 is a schematic top view of the present invention;
Fig. 3 is a schematic view of the mounting structure of the sealing cover and the T-shaped bracket of the present invention.
In the figure: the bearing comprises a bearing outer ring 1, a bearing inner ring 2, a rolling body 3, an arc-shaped chute 4, a step-shaped mounting groove 5, a sealing cover 6, a support 7T, a ball 8 and a chute 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, a high-precision oil-free bearing comprises a bearing outer ring 1, a bearing inner ring 2 and rolling bodies 3, rolling bodies 3 are arranged in a cavity between the bearing outer ring 1 and the bearing inner ring 2 in a rolling manner, stepped mounting grooves 5 are formed in the upper end and the lower end of the inner side of the bearing outer ring 1 and the upper end and the lower end of the outer side of the bearing inner ring 2, sealing covers 6 are arranged in the stepped mounting grooves 5 at the upper end and the lower end of the bearing outer ring 1 and the bearing inner ring 2 in a sliding mode, four T-shaped supports 7 are evenly welded and connected to the inner side face of each sealing cover 6, two ends of the T-shaped support 7 are slidably clamped in the side walls of the bearing outer ring 1 and the bearing inner ring 2, the side walls of the bearing outer ring 1 and the bearing inner ring 2 are provided with sliding chutes 9 corresponding to the two ends of the T-shaped bracket 7, and balls 8 are rotatably arranged in the slotted holes at the left end and the right end of one side of the T-shaped support 7, which is far away from the sealing cover 6, through rotating shafts.
Specifically, arc-shaped sliding grooves 4 matched with the shapes of the rolling bodies 3 are formed in the positions, corresponding to the rolling bodies 3, on the inner side wall of the bearing outer ring 1 and the outer side wall of the bearing inner ring 2.
Specifically, the section of the sealing cover 6 is in a step shape matched with the step-shaped mounting groove 5.
specifically, the rolling element 3 is a ball made of silicon carbide, and a polytetrafluoroethylene coating is sprayed on the surface of the rolling element 3.
The utility model discloses a be provided with closing cap 6 between bearing inner race 2 and bearing outer race 1, can effectively block external dust particle to get into the bearing inside, avoid the bearing inside to be stained with and glue dust particle, influence the use precision of bearing, the lower surface mounting of closing cap 6 has T type support 7, the lower extreme slidable mounting of T type support 7 is on the inner wall of bearing inner race 1 and the outer wall of bearing inner race 2, can play the effect of fixing closing cap 6, prevent closing cap 6 from breaking away from the bearing, and T type support 7's both ends are installed ball 8 through the pivot rotation respectively, can reduce the frictional force between T type support 7 and bearing outer race 1 inner wall and bearing inner race 2 outer wall, the position that corresponds rolling element 3 on the inside wall of bearing outer race 1 and the lateral wall of bearing inner race 2 all sets up with rolling element 3 appearance assorted arc spout 4, can carry out spacing to rolling element 3, the rolling bodies 3 are prevented from moving in a cavity between the bearing outer ring 1 and the bearing inner ring 2, and the coaxiality and normal use of the bearing are prevented from being influenced.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (4)
1. The utility model provides a high accuracy oilless bearing, includes bearing inner race (2) and rolling element (3), its characterized in that: a rolling body (3) is arranged in a cavity between the bearing outer ring (1) and the bearing inner ring (2) in a rolling way, the upper end and the lower end of the inner side of the bearing outer ring (1) and the upper end and the lower end of the outer side of the bearing inner ring (2) are both provided with stepped mounting grooves (5), the sealing covers (6) are arranged in the stepped mounting grooves (5) at the upper end and the lower end of the bearing outer ring (1) and the bearing inner ring (2) in a sliding mode, four T-shaped supports (7) are evenly welded on the inner side face of each sealing cover (6), two ends of the T-shaped bracket (7) are slidably clamped in the side walls of the bearing outer ring (1) and the bearing inner ring (2), sliding grooves (9) are respectively arranged on the side walls of the bearing outer ring (1) and the bearing inner ring (2) corresponding to the two ends of the T-shaped bracket (7), and balls (8) are rotatably arranged in the slotted holes at the left end and the right end of one side of the T-shaped support (7) far away from the seal cover (6) through rotating shafts.
2. A high precision oil free bearing as claimed in claim 1, wherein: arc-shaped sliding grooves (4) matched with the shapes of the rolling bodies (3) are formed in the positions, corresponding to the rolling bodies (3), on the inner side wall of the bearing outer ring (1) and the outer side wall of the bearing inner ring (2).
3. A high precision oil free bearing as claimed in claim 1, wherein: the section of the sealing cover (6) is in a step shape matched with the step-shaped mounting groove (5).
4. A high precision oil free bearing as claimed in claim 1, wherein: the rolling body (3) is a ball made of silicon carbide, and a polytetrafluoroethylene coating is sprayed on the surface of the rolling body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920491095.XU CN209800544U (en) | 2019-04-12 | 2019-04-12 | High-precision oil-free bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920491095.XU CN209800544U (en) | 2019-04-12 | 2019-04-12 | High-precision oil-free bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209800544U true CN209800544U (en) | 2019-12-17 |
Family
ID=68829206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920491095.XU Expired - Fee Related CN209800544U (en) | 2019-04-12 | 2019-04-12 | High-precision oil-free bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209800544U (en) |
-
2019
- 2019-04-12 CN CN201920491095.XU patent/CN209800544U/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: 20191217 |