CN215634475U - Upper roller bearing with good sealing effect - Google Patents
Upper roller bearing with good sealing effect Download PDFInfo
- Publication number
- CN215634475U CN215634475U CN202120302621.0U CN202120302621U CN215634475U CN 215634475 U CN215634475 U CN 215634475U CN 202120302621 U CN202120302621 U CN 202120302621U CN 215634475 U CN215634475 U CN 215634475U
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- CN
- China
- Prior art keywords
- wall
- sealing ring
- fixedly connected
- mandrel
- roller bearing
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- 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
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- 238000007789 sealing Methods 0.000 title claims abstract description 90
- 230000000694 effects Effects 0.000 title abstract description 7
- 238000009434 installation Methods 0.000 claims 2
- 239000010687 lubricating oil Substances 0.000 abstract description 16
- 230000003116 impacting effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 14
- 239000000314 lubricant Substances 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to the technical field of upper roller bearings, and discloses an upper roller bearing with a good sealing effect, which comprises a mandrel, wherein shaft sleeves are arranged at two ends of the mandrel, ball bearings are fixedly connected to the inner walls of the shaft sleeves, the ball bearings are rotatably connected with two ends of the mandrel, annular grooves are formed in the outer walls of two sides of the mandrel, sealing rings are fixedly connected to the inner walls of the two shaft sleeves, and the inner walls of the sealing rings are in close contact with the inner walls of the annular grooves. According to the utility model, the annular groove is formed on the surface of the mandrel, the sealing ring is arranged on the inner wall of the shaft sleeve, the outer sealing ring and the inner sealing ring are arranged on the inner side of the sealing ring, so that the inner sealing ring and the outer sealing ring are tightly clamped, the sealing shape is further improved, the lubricating oil in the shaft sleeve is prevented from running out, and the triangular block is arranged on the inner side of the outer sealing ring, so that the lubricating oil can be buffered when impacting the outer sealing ring and then flows back into the shaft sleeve from the backflow hole.
Description
Technical Field
The utility model relates to the technical field of top roller bearings, in particular to a top roller bearing with a good sealing effect.
Background
The upper roller bearing is mainly used in a textile machine and comprises a mandrel 1 and bearings at two ends of the mandrel, and is characterized in that a ball channel and a ball raceway structure on the inner wall of a bearing shell 2 at two ends are changed into two ball channels 7 and 9 which are respectively opposite to the two channels on the mandrel, and balls 8 of a retainer 4 are arranged in the channels, so that the positive pressure and the friction force of the balls on the bearing shell are reduced, the abrasion is greatly reduced, the radial and axial play is reduced, and the performance and the service life of the upper roller bearing can be greatly improved.
When the upper roller bearing in the prior art is used with a shaft sleeve in a matching way, the sealing performance is poor, and the lubricating oil in the upper roller bearing is easy to throw out.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides the top roller bearing with good sealing effect so as to solve the problems in the background technology.
(II) technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme: sealed effectual last roller bearing, including the dabber, the both ends of dabber are equipped with the axle sleeve, the inner wall fixedly connected with ball bearing of axle sleeve, ball bearing rotates with the both ends of dabber to be connected, the outer wall of dabber both sides is opened there is the annular, two the inner wall fixedly connected with sealing washer of axle sleeve, the inner wall of sealing washer and the inner wall in close contact with of annular, one side of sealing washer is at the inner wall fixedly connected with external seal ring of axle sleeve, the outer wall fixedly connected with inner seal ring of dabber, inner seal ring and external seal ring joint, the inboard fixedly connected with triangle block of external seal ring, open the inside of dabber has the backward flow hole.
Preferably, the two ends of the mandrel are provided with grooves, balls are arranged in the grooves and movably connected with the grooves, and the balls are in contact with the inner wall of the shaft sleeve.
Preferably, the top of the shaft sleeve is provided with an oil inlet, a sealing plug is inserted into the oil inlet, the outer wall of the bottom of the sealing plug is fixedly connected with a rubber ring, and the outer wall of the rubber ring is in close contact with the inner wall of the oil inlet.
Preferably, the top of the sealing plug is fixedly connected with a mounting piece, and two ends of the mounting piece are in threaded connection with the top of the shaft sleeve through screws.
Preferably, the outer wall of one side adjacent to the shaft sleeve is sleeved with a hoop.
Preferably, the inner side of the outer sealing ring is provided with a trapezoidal groove, and the cross section of the inner sealing ring is semicircular.
Compared with the prior art, the upper roller bearing with good sealing effect provided by the utility model has the following beneficial effects:
1. according to the utility model, the annular groove is formed on the surface of the mandrel, the sealing ring is arranged on the inner wall of the shaft sleeve, the outer sealing ring and the inner sealing ring are arranged on the inner side of the sealing ring, so that the inner sealing ring and the outer sealing ring are tightly clamped, the sealing shape is further improved, the lubricating oil in the shaft sleeve is prevented from running out, and the triangular block is arranged on the inner side of the outer sealing ring, so that the lubricating oil can be buffered when impacting the outer sealing ring and then flows back into the shaft sleeve from the backflow hole.
2. According to the utility model, the balls are arranged at the two ends of the mandrel, so that when the mandrel rotates, the inner wall of the shaft sleeve is prevented from rubbing with the two ends of the mandrel, the mandrel is prevented from being damaged, and lubricating oil is conveniently filled through the arrangement of the oil inlet hole.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a cross-sectional view in elevation of the present invention;
FIG. 3 is an enlarged view of A in FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of B in FIG. 2 according to the present invention.
In the figure: 1 mandrel, 3 shaft sleeves, 4 grooves, 5 balls, 6 oil inlet holes, 7 sealing plugs, 8 rubber rings, 9 mounting pieces, 10 screws, 11 hoops, 12 annular grooves, 13 sealing rings, 14 outer sealing rings, 15 inner sealing rings, 16 triangular blocks and 17 backflow holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-4, the present invention provides a technical solution: the upper roller bearing with good sealing effect comprises a mandrel 1, shaft sleeves 3 are arranged at two ends of the mandrel 1, a clamp 11 is sleeved on the outer wall of one side, adjacent to the two shaft sleeves 3, grooves 4 are formed at two ends of the mandrel 1, balls 5 are arranged in the grooves 4, the balls 5 are movably connected with the grooves 4, the balls 5 are in contact with the inner wall of the shaft sleeves 3, an oil inlet hole 6 is formed in the top of each shaft sleeve 3, a sealing plug 7 is inserted in each oil inlet hole 6, a rubber ring 8 is fixedly connected to the outer wall of the bottom of each sealing plug 7, the outer wall of each rubber ring 8 is in close contact with the inner wall of each oil inlet hole 6, each rubber ring 8 is fixedly connected to the outer wall of the bottom of each sealing plug 7, each oil inlet hole 6 is formed in the top, each sealing plug 7 is inserted in each oil inlet hole 6, each rubber ring 8 is fixedly connected to the outer wall of the bottom of each sealing plug 7, the outer wall of the rubber ring 8 is closely contacted with the inner wall of the oil inlet hole 6, the two ends of the mandrel 1 are provided with the balls 5, so that when the mandrel 1 rotates, the inner wall of the shaft sleeve 3 is prevented from rubbing against the two ends of the mandrel 1 to damage the mandrel 1, the oil inlet hole 6 is arranged to facilitate filling of lubricating oil, the inner wall of the shaft sleeve 3 is fixedly connected with the ball bearings 18, the ball bearings 18 are rotatably connected with the two ends of the mandrel 1, the outer walls of the two sides of the mandrel 1 are provided with annular grooves 12, the inner walls of the two shaft sleeves 3 are fixedly connected with sealing rings 13, the inner walls of the sealing rings 13 are closely contacted with the inner walls of the annular grooves 12, one side of each sealing ring 13 is fixedly connected with an outer sealing ring 14 on the inner wall of the shaft sleeve 3, the outer wall of the mandrel 1 is fixedly connected with an inner sealing ring 15, the inner side of each outer sealing ring 14 is provided with a trapezoidal groove, the section shape of each inner sealing ring 15 is semicircular, and each inner sealing ring 15 is clamped with each outer sealing ring 14, the surface of the mandrel 1 is provided with the annular groove 12, the inner wall of the shaft sleeve 3 is provided with the sealing ring 13, the inner side of the sealing ring 13 is provided with the outer sealing ring 14 and the inner sealing ring 15, the inner sealing ring 15 and the outer sealing ring 14 are tightly clamped, the sealing shape is further improved, lubricating oil in the shaft sleeve 3 is prevented from running out, the inner side of the outer sealing ring 14 is provided with the triangular block 16, so that when the lubricating oil impacts the outer sealing ring 14, buffering can be achieved, the lubricating oil then flows back into the shaft sleeve 3 from the return hole 17, the inner side of the outer sealing ring 14 is fixedly connected with the triangular block 16, and the return hole 17 is formed in the mandrel 1.
When the lubricating oil filling device is used, the surface of the mandrel 1 is provided with the annular groove 12, the inner wall of the shaft sleeve 3 is provided with the sealing ring 13, the inner side of the sealing ring 13 is provided with the outer sealing ring 14 and the inner sealing ring 15, the inner sealing ring 15 and the outer sealing ring 14 are tightly clamped, the sealing shape is further improved, lubricating oil in the shaft sleeve 3 is prevented from running out, the inner side of the outer sealing ring 14 is provided with the triangular block 16, so that when the lubricating oil impacts the outer sealing ring 14, buffering can be achieved, then the lubricating oil flows back into the shaft sleeve 3 from the return hole 17, the two ends of the mandrel 1 are provided with the balls 5, when the lubricating oil filling device rotates, the inner wall of the shaft sleeve 3 is prevented from rubbing against the two ends of the mandrel 1, the mandrel 1 is damaged, and the lubricating oil is conveniently filled through the oil inlet hole 6.
In summary, according to the present invention, the annular groove 12 is formed on the surface of the mandrel 1, the sealing ring 13 is disposed on the inner wall of the shaft sleeve 3, the outer sealing ring 14 and the inner sealing ring 15 are disposed on the inner side of the sealing ring 13, the inner sealing ring 15 and the outer sealing ring 14 are tightly clamped, the sealing shape is further improved, and the lubricant in the shaft sleeve 3 is prevented from running out, and the triangular block 16 is disposed on the inner side of the outer sealing ring 14, so that when the lubricant impacts the outer sealing ring 14, a buffer can be obtained, and then the lubricant flows back into the shaft sleeve 3 from the return hole 17, and by disposing the balls 5 on both ends of the mandrel 1, when the mandrel rotates, the inner wall of the shaft sleeve 3 is prevented from rubbing against both ends of the mandrel 1, so that the mandrel 1 is damaged, and the lubricant can be conveniently filled through the oil inlet hole 6.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Sealed effectual top roller bearing, including dabber (1), its characterized in that: the both ends of dabber (1) are equipped with axle sleeve (3), the inner wall fixedly connected with ball bearing (18) of axle sleeve (3), ball bearing (18) are rotated with the both ends of dabber (1) and are connected, the outer wall of dabber (1) both sides opens there are annular (12), two the inner wall fixedly connected with sealing washer (13) of axle sleeve (3), the inner wall in close contact with of inner wall and annular (12) of sealing washer (13), the inner wall fixedly connected with external seal ring (14) of one side at axle sleeve (3) of sealing washer (13), the outer wall fixedly connected with inner seal ring (15) of dabber (1), inner seal ring (15) and external seal ring (14) joint, the inboard fixedly connected with triangle piece (16) of external seal ring (14), the inside of dabber (1) is opened there is backward flow hole (17).
2. The sealed effectual top roller bearing of claim 1, characterized in that: the two ends of the mandrel (1) are provided with grooves (4), balls (5) are arranged in the grooves (4), the balls (5) are movably connected with the grooves (4), and the balls (5) are in contact with the inner wall of the shaft sleeve (3).
3. The sealed effectual top roller bearing of claim 1, characterized in that: the oil inlet structure is characterized in that an oil inlet hole (6) is formed in the top of the shaft sleeve (3), a sealing plug (7) is inserted into the oil inlet hole (6), a rubber ring (8) is fixedly connected to the outer wall of the bottom of the sealing plug (7), and the outer wall of the rubber ring (8) is in close contact with the inner wall of the oil inlet hole (6).
4. The sealed effectual top roller bearing of claim 3, characterized in that: the top fixedly connected with installation piece (9) of sealing plug (7), the top threaded connection of screw (10) and axle sleeve (3) is passed through at the both ends of installation piece (9).
5. The sealed effectual top roller bearing of claim 1, characterized in that: two the outer wall cover of the adjacent one side of axle sleeve (3) is equipped with clamp (11).
6. The sealed effectual top roller bearing of claim 1, characterized in that: the inner side of the outer sealing ring (14) is provided with a trapezoidal groove, and the cross section of the inner sealing ring (15) is semicircular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120302621.0U CN215634475U (en) | 2021-02-03 | 2021-02-03 | Upper roller bearing with good sealing effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120302621.0U CN215634475U (en) | 2021-02-03 | 2021-02-03 | Upper roller bearing with good sealing effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215634475U true CN215634475U (en) | 2022-01-25 |
Family
ID=79912299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120302621.0U Expired - Fee Related CN215634475U (en) | 2021-02-03 | 2021-02-03 | Upper roller bearing with good sealing effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215634475U (en) |
-
2021
- 2021-02-03 CN CN202120302621.0U patent/CN215634475U/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: 20220125 |