CN214742751U - Deep groove ball bearing - Google Patents
Deep groove ball bearing Download PDFInfo
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- CN214742751U CN214742751U CN202120536690.8U CN202120536690U CN214742751U CN 214742751 U CN214742751 U CN 214742751U CN 202120536690 U CN202120536690 U CN 202120536690U CN 214742751 U CN214742751 U CN 214742751U
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- outer ring
- bearing
- hinge
- deep groove
- groove ball
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Abstract
The utility model relates to a deep groove ball bearing, it includes the bearing main part, the bearing main part includes the bearing inner race, the bearing inner race includes first outer lane and second outer lane, the one end of first outer lane with the one end of second outer lane is passed through hinge structure and is connected, hinge structure's one end is kept away from to first outer lane with hinge structure's one end is kept away from to the second outer lane is passed through bolted connection. This application has the problem of solving deep groove ball bearing and being not convenient for the installation of bearing ball.
Description
Technical Field
The application relates to the field of bearings, in particular to a deep groove ball bearing.
Background
The bearing is a component which plays a role in fixing and reducing the load friction coefficient in the mechanical transmission process. It can also be said that the means for reducing the friction coefficient during the transmission of force and for keeping the position of the shaft centre fixed when the other means are moved relative to each other on the shaft. The bearing is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient in its motion process and ensure its rotation precision. The bearing is usually fixed by being installed on a bearing seat, the bearing seat fixes an outer ring of the bearing, the outer ring is kept still, only the inner ring rotates, and the inner ring is always kept consistent with the transmission direction.
Deep groove ball bearings are one of the most common types of rolling bearings. The basic deep groove ball bearing is composed of an outer ring, an inner ring, a group of steel balls and a group of retainers. In order to keep the installation stability of the steel ball after installation, the gap between the outer ring and the inner ring of the bearing is small, so that the installation of the bearing is inconvenient.
With respect to the related art in the above, the inventors consider that the deep groove ball bearing is inconvenient for the installation of the bearing balls.
SUMMERY OF THE UTILITY MODEL
In order to solve the installation of the bearing ball of being not convenient for of deep groove ball bearing, this application provides a deep groove ball bearing.
The application provides a deep groove ball bearing adopts following technical scheme:
the utility model provides a deep groove ball bearing, includes the bearing main part, the bearing main part includes the bearing inner race, the bearing inner race includes first outer lane and second outer lane, the one end of first outer lane with the one end of second outer lane is passed through hinge structure and is connected, the one end that hinge structure was kept away from to first outer lane with hinge structure's one end is kept away from to the second outer lane passes through bolted connection.
Through adopting above-mentioned technical scheme, a deep groove ball bearing divide into first outer lane and second outer lane with the bearing inner race, and first outer lane and second outer lane pass through detachable connected mode and connect to the convenience is installed the bearing ball on the bearing main part.
Optionally, the hinge structure includes a hinge seat disposed on the first outer ring, a hinge portion disposed on the second outer ring, and a hinge shaft connecting the hinge seat and the hinge portion.
Through adopting above-mentioned technical scheme, above-mentioned hinge structure set up simple and convenient realization first outer lane and the articulated connection between the second outer lane, and this kind of connected mode has the dismouting simple, firm in connection's characteristics.
Optionally, one end of the first outer ring, which is away from the hinge seat, is provided with a first connecting portion, one end of the second outer ring, which is away from the hinge portion, is provided with a second connecting portion, an outer wall of the first connecting portion is provided with a first through hole, an outer wall of the second connecting portion is provided with a first threaded hole, the first connecting portion and the second connecting portion are connected through a first connecting bolt, and the first connecting bolt penetrates through the first through hole and is in threaded connection with the first threaded hole.
Through adopting above-mentioned technical scheme, first outer lane and second outer lane are connected through the first connecting bolt that the aforesaid set up, and this kind of connected mode has the dismouting simple, firm in connection's characteristics.
Optionally, one end of the second outer ring, which is far away from the hinge portion, is provided with a connecting convex portion, one end of the first outer ring, which is far away from the hinge base, is provided with a connecting groove into which the connecting convex portion is inserted, a side wall of one end of the first outer ring is provided with a second through hole, the connecting convex portion is provided with a second threaded hole, the first outer ring and the second outer ring are connected through a second connecting bolt, and the second connecting bolt penetrates through the second through hole to be in threaded connection with the second threaded hole.
Through adopting above-mentioned technical scheme, first outer lane and second outer lane are connected through the second connecting bolt that the aforesaid set up, and this kind of connected mode has the dismouting simple, firm in connection's characteristics.
Optionally, the second connecting portion is connected to a first sealing strip near the end face of the first outer ring, and when the first connecting portion is connected to the second connecting portion through a screw, the first sealing strip abuts against the first outer ring.
Through adopting above-mentioned technical scheme, be connected with first sealing strip at the terminal surface of second connecting portion, when first outer lane and second outer lane are connected, first sealing strip supports and presses in first outer lane to play the sealed effect to first outer lane and second outer lane junction, reduce the probability that lubricating oil in the bearing main part leaks from first outer lane and second outer lane junction.
Optionally, the second connecting portion is provided with a first groove for mounting the first sealing strip, and the depth of an outer ring groove of the bearing outer ring for rolling of bearing balls is smaller than the distance from the inner side wall of the first groove to the inner wall of the second outer ring.
By adopting the technical scheme, the depth of the outer ring groove is smaller than the distance from the inner side wall of the first groove to the inner wall of the second outer ring, so that the first sealing strip cannot protrude out of the outer ring groove of the bearing outer ring, and the rolling of the bearing ball in the outer ring groove cannot be influenced by the contact of the first sealing strip.
Optionally, an end surface of the second outer ring, which is far away from the hinge portion, is connected with a second sealing strip, and when the first outer ring is connected with the second outer ring through a second connecting bolt, the second sealing strip is pressed against the first outer ring.
Through adopting above-mentioned technical scheme, be connected with the second sealing strip at the terminal surface of second outer lane, when first outer lane and second outer lane are connected, the second sealing strip supports and presses in first outer lane to play the sealed effect to first outer lane and second outer lane junction, reduce the probability that lubricating oil in the bearing main part leaks from first outer lane and second outer lane junction.
Optionally, an end surface of the second outer ring, which is far away from the hinge portion, is provided with a second groove, and a depth of an outer ring groove of the bearing outer ring, through which the bearing balls roll, is smaller than a distance from an inner side wall of the second groove to an inner wall of the second outer ring.
By adopting the technical scheme, the depth of the outer ring groove is smaller than the distance from the inner side wall of the second groove to the inner wall of the second outer ring, so that the second sealing strip cannot protrude out of the outer ring groove of the bearing outer ring, and the rolling of the bearing ball in the outer ring groove cannot be influenced by the contact of the second sealing strip.
Optionally, one end of the first outer ring, which is far away from the hinge seat, is connected with a third sealing strip, and when the first outer ring and the second outer ring are assembled, the third sealing strip is pressed against the second outer ring.
Through adopting above-mentioned technical scheme, the terminal surface of keeping away from articulated seat at first outer lane is connected with the third sealing strip, and when first outer lane and second outer lane were connected, the third sealing strip supported and pressed in first outer lane to play the sealed effect to the articulated junction of first outer lane and second outer lane, reduce the probability that lubricating oil in the bearing main part leaked from the articulated junction of first outer lane and second outer lane.
Optionally, the bearing seat is provided with a mounting hole for embedding and mounting the bearing, and the bearing seat is further provided with a fixing groove for embedding and mounting the hinge structure.
Through adopting above-mentioned technical scheme, the bearing frame is equipped with the fixed slot that supplies the hinge structure embedding to conveniently install the bearing main part in the bearing frame.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the utility model provides a deep groove ball bearing divide into first outer lane and second outer lane with the bearing inner race, and first outer lane and second outer lane are connected through detachable connected mode to the convenience is installed the bearing ball on the bearing main part.
2. A sealing strip is arranged at the joint of a first outer ring and a second outer ring of the deep groove ball bearing, so that the sealing effect on the bearing is achieved, and the leakage probability of lubricating oil in the bearing is reduced;
3. the bearing block is provided with a fixing groove for embedding the hinge structure of the bearing, so that the bearing body is conveniently installed in the bearing.
Drawings
Fig. 1 is a schematic structural diagram of a deep groove ball bearing according to an embodiment of the present application.
Fig. 2 is a schematic structural view of a bearing main body according to the first embodiment.
Fig. 3 is a schematic structural view of the hinge structure according to the first embodiment.
Fig. 4 is a schematic view of a bolt connection structure according to the first embodiment.
Fig. 5 is a partial structural schematic view of a bearing outer ring according to the first embodiment.
Fig. 6 is a schematic view of a bolt connection structure of the second embodiment.
Fig. 7 is a partial structural view of a second outer race according to the second embodiment.
Description of reference numerals: 1. a bearing body; 2. a bearing seat; 21. mounting holes; 22. fixing grooves; 3. a bearing outer race; 31. an outer ring groove; 32. a first outer race; 321. a hinged seat; 3211. a first hinge hole; 322. a first connection portion; 3221. a first through hole; 323. a third groove; 3231. a third seal strip; 323. connecting grooves; 324. a second through hole; 325. a second connecting bolt; 33. a second outer race; 331. a hinge portion; 3311. hinging a shaft; 332. a second connecting portion; 3321. a first threaded hole; 3322. a first connecting bolt; 3323. a first groove; 3324. a first seal strip; 333. a connecting projection; 3331. a second threaded hole; 334. a second groove; 3341. a second seal strip; 4. a bearing inner race; 5. a bearing ball; 6. a holder; 7. and (5) sealing rings.
Detailed Description
The present application is described in further detail below with reference to figures 1-7.
The first embodiment is as follows:
the embodiment of the application discloses a deep groove ball bearing. Referring to fig. 1, a deep groove ball bearing includes a bearing main body 1 and a bearing housing 2, and the bearing main body 1 is installed in the bearing housing 2.
Referring to fig. 2, the bearing body 1 includes a bearing outer race 3, a bearing inner race 4, bearing balls 5, a retainer 6 for fixing the bearing balls 5, and a seal ring 7, wherein an inner wall of the bearing outer race 3 is provided with an outer annular groove 31 for the bearing balls 5 to roll, and an outer wall of the bearing inner race 4 is provided with an inner annular groove (not shown) for the bearing balls 5 to roll. The number of the sealing rings 7 is two, and the sealing rings are arranged on two sides of the bearing ball 5.
Referring to fig. 3, the bearing outer ring 3 includes a first outer ring 32 and a second outer ring 33, one end of the first outer ring 32 is connected to one end of the second outer ring 33 through a hinge structure, and one end of the first outer ring 32 away from the hinge structure is connected to one end of the second outer ring 33 away from the hinge structure through a bolt.
The hinge structure connecting the first outer ring 32 and the second outer ring 33 includes a hinge seat 321 disposed on an outer wall of the first outer ring 32, a hinge 331 disposed on an outer wall of the second outer ring 33, a first hinge hole 3211 disposed on the hinge seat 321, a second hinge hole (not shown) disposed on the hinge 331, and a hinge shaft 3311 connecting the hinge seat 321 and the hinge 331, wherein the hinge shaft 3311 passes through the first hinge hole 3211 and the second hinge hole.
Referring to fig. 3 and 4, an end surface of the first outer ring 32 away from the hinge seat 321 has a first connection portion 322, an end surface of the second outer ring 33 away from the hinge portion 331 has a second connection portion 332, and the first connection portion 322 and the second connection portion 332 are connected by a first connection bolt 3322. The outer wall of the first connecting portion 322 is provided with a first through hole 3221, the outer wall of the second connecting portion 332 is provided with a first threaded hole 3321, the bolt shaft of the first connecting bolt 3322 passes through the first through hole 3221, and the first connecting bolt 3322 is in threaded connection with the first threaded hole 3321.
The end face, close to the first outer ring 32, of the second connecting portion 332 is provided with a first groove 3323, the first groove 3323 is a rectangular groove, and a first sealing strip 3324 is connected to the first groove 3323 by glue. When the first connecting portion 322 and the second connecting portion 332 are fixedly connected, the first seal strip 3324 is pressed against the first outer ring 32, so that the bearing is sealed, and the probability of leakage of the lubricating oil in the bearing is reduced. The distance between one side wall of the first groove 3323 close to the inner wall of the second outer ring 33 and the inner wall of the second outer ring 33 is greater than the depth of the outer ring groove 31, so that after the first sealing strip 3324 is embedded in the first groove 3323, the first sealing strip 3324 does not protrude out of the outer ring groove 31, the contact surface of the bearing ball 5 is completely the outer ring groove 31, and the rolling efficiency of the bearing ball 5 is enhanced.
Referring to fig. 5, a third groove 323 is formed in the end surface of the first outer ring 32 close to the hinge seat 321, a third sealing strip 3231 is connected to the third groove 323 by glue, and when the first outer ring 32 and the second outer ring 33 are assembled, the third sealing strip 3231 is pressed against the second outer ring 33, so that the sealing effect on the bearing outer ring 3 is achieved. The distance from the side wall of the third groove 323 close to the inner wall of the first outer ring 32 is smaller than the depth of the outer ring groove 31, so that after the third sealing strip 3231 is embedded into the third groove 323, the third sealing strip 3231 does not protrude out of the outer ring groove 31, the contact surface of the bearing ball 5 is completely the outer ring groove 31, and the rolling efficiency of the bearing ball 5 is enhanced.
Referring to fig. 1, the deep groove ball bearing further includes a bearing seat 2, the bearing seat 2 is provided with a mounting hole 21 for the bearing to be embedded and mounted, and the bearing seat 2 is further provided with a fixing groove 22 for the bearing outer ring 3 to be embedded and mounted in a hinge structure, and the fixing groove 22 is a through groove with openings at two ends.
The implementation principle of the deep groove ball bearing in the embodiment of the application is as follows: a first outer ring 32 and a second outer ring 33 of the deep groove ball bearing are turned over through a hinged structure, a bearing inner ring 4, bearing balls 5, a retainer 6 and a sealing ring 7 are installed in a bearing outer ring 3, then the first outer ring 32 is turned over relative to the second outer ring 33, a first connecting portion 322 and a second connecting portion 332 are fixedly connected through a first connecting bolt 3322, and then a bearing body 1 is installed in a bearing seat 2.
Example two:
referring to fig. 6, the present embodiment is different from the first embodiment in that an end surface of the second outer ring 33 away from the hinge portion 331 has a connecting protrusion 333, an end surface of the first outer ring 32 has a connecting groove 323 into which the connecting protrusion 333 is inserted, a side wall of one end of the first outer ring 32 is provided with a second through hole 324, the connecting protrusion 333 is provided with a second threaded hole 3331, the first outer ring 32 and the second outer ring 33 are connected by a second connecting bolt 325, and the second connecting bolt 325 passes through the second through hole 324 and is threadedly connected with the second threaded hole 3331.
Referring to fig. 6 and 7, a second groove 334 is formed in an end surface of the second outer ring 33, which is far away from the hinge portion 331, the second groove 334 is a rectangular groove, the second groove 334 is located on one side of the connecting protrusion 333, which is close to the inner wall of the second outer ring 33, a second sealing strip 3341 is connected to the second groove 334 through glue, and when the first outer ring 32 and the second outer ring 33 are connected, the second sealing strip 3341 abuts against the first sealing strip 3324, so that a sealing effect on the bearing is achieved, and the probability of leakage of the lubricating oil in the bearing is reduced. The distance between the side wall of the second groove 334 close to the inner wall of the second outer ring 33 and the inner wall of the second outer ring 33 is greater than the depth of the outer ring groove 31, so that after the first sealing strip 3324 is embedded in the first groove 3323, the first sealing strip 3324 does not protrude out of the outer ring groove 31, the contact surface of the bearing ball 5 is completely the outer ring groove 31, and the rolling efficiency of the bearing ball 5 is enhanced.
The implementation principle of the second embodiment is as follows: a deep groove ball bearing is characterized in that a first outer ring 32 and a second outer ring 33 are turned over through a hinge structure, a bearing inner ring 4, bearing balls 5, a retainer 6 and a sealing ring 7 are installed in a bearing outer ring 3, the first outer ring 32 is turned over relative to the second outer ring 33, a connecting convex part 333 is inserted into a connecting groove 323, the first outer ring 32 and the second outer ring 33 are fixedly connected through a second connecting bolt 325, and a bearing body 1 is installed in a bearing seat 2.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A deep groove ball bearing is characterized in that: including bearing body (1), bearing body (1) includes bearing inner race (3), bearing inner race (3) include first outer lane (32) and second outer lane (33), the one end of first outer lane (32) with the one end of second outer lane (33) is passed through hinge structure and is connected, hinge structure's one end is kept away from in first outer lane (32) with hinge structure's one end is kept away from in second outer lane (33) passes through bolted connection.
2. The deep groove ball bearing of claim 1, wherein: the hinge structure comprises a hinge seat (321) arranged on the first outer ring (32), a hinge part (331) arranged on the second outer ring (33), and a hinge shaft (3312) connecting the hinge seat (321) and the hinge part (331).
3. A deep groove ball bearing according to claim 2, characterized in that: one end of the first outer ring (32) far away from the hinge seat (321) is provided with a first connecting part (322), one end of the second outer ring (33) far away from the hinge part (331) is provided with a second connecting part (332), the outer wall of the first connecting part (322) is provided with a first through hole (3221), the outer wall of the second connecting part (332) is provided with a first threaded hole (3321), the first connecting part (322) and the second connecting part (332) are connected through a first connecting bolt (3322), and the first connecting bolt (3322) penetrates through the first through hole (3221) to be in threaded connection with the first threaded hole (3321).
4. A deep groove ball bearing according to claim 3, characterized in that: one end, away from the hinge portion (331), of the second outer ring (33) is provided with a connecting protrusion (333), one end, away from the hinge seat (321), of the first outer ring (32) is provided with a connecting groove (323) into which the connecting protrusion (333) is inserted, one end side wall of the first outer ring (32) is provided with a second through hole (324), the connecting protrusion (333) is provided with a second threaded hole (3331), the first outer ring (32) and the second outer ring (33) are connected through a second connecting bolt (325), and the second connecting bolt (325) penetrates through the second through hole (324) to be in threaded connection with the second threaded hole (3331).
5. A deep groove ball bearing according to claim 3, characterized in that: the end face, close to the first outer ring (32), of the second connecting portion (332) is connected with a first sealing strip (3324), and when the first connecting portion (322) is connected with the second connecting portion (332) through a first connecting bolt (3322), the first sealing strip (3324) abuts against the first outer ring (32).
6. The deep groove ball bearing of claim 5, wherein: the second connecting part (332) is provided with a first groove (3323) for installing the first sealing strip (3324), and the depth of an outer ring groove (31) of the bearing outer ring (3) for rolling bearing balls (5) is smaller than the distance from the inner side wall of the first groove (3323) to the inner wall of the second outer ring (33).
7. The deep groove ball bearing of claim 4, wherein: the end face, far away from the hinge portion (331), of the second outer ring (33) is connected with a second sealing strip (3341), and when the first outer ring (32) is connected with the second outer ring (33) through a second connecting bolt (325), the second sealing strip (3341) is pressed against the first outer ring (32).
8. The deep groove ball bearing of claim 7, wherein: the end face, far away from the hinge portion (331), of the second outer ring (33) is provided with a second groove (334), and the depth of an outer ring groove (31) of the bearing outer ring (3) for rolling bearing balls (5) is smaller than the distance from the inner side wall of the second groove (334) to the inner wall of the second outer ring (33).
9. A deep groove ball bearing according to claim 2, characterized in that: one end, far away from articulated seat (321), of first outer lane (32) is connected with third sealing strip (3231), when first outer lane (32) with second outer lane (33) installation, third sealing strip (3231) support and press in second outer lane (33).
10. The deep groove ball bearing of claim 1, wherein: including bearing frame (2), bearing frame (2) are equipped with the confession mounting hole (21) of bearing body embedding installation, bearing frame (2) still are equipped with confession fixed slot (22) of hinge structure embedding installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120536690.8U CN214742751U (en) | 2021-03-15 | 2021-03-15 | Deep groove ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120536690.8U CN214742751U (en) | 2021-03-15 | 2021-03-15 | Deep groove ball bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214742751U true CN214742751U (en) | 2021-11-16 |
Family
ID=78594041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120536690.8U Active CN214742751U (en) | 2021-03-15 | 2021-03-15 | Deep groove ball bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214742751U (en) |
-
2021
- 2021-03-15 CN CN202120536690.8U patent/CN214742751U/en active Active
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