CN216111756U - Double-row tapered roller bearing convenient to install and fix - Google Patents
Double-row tapered roller bearing convenient to install and fix Download PDFInfo
- Publication number
- CN216111756U CN216111756U CN202121666497.2U CN202121666497U CN216111756U CN 216111756 U CN216111756 U CN 216111756U CN 202121666497 U CN202121666497 U CN 202121666497U CN 216111756 U CN216111756 U CN 216111756U
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- groove
- turntable
- push block
- double
- tapered roller
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- 238000013461 design Methods 0.000 abstract description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a double-row tapered roller bearing convenient to install and fix, which comprises a bearing inner ring, a bearing outer ring, a retainer and a roller, wherein a locking device is arranged in the bearing outer ring, a supporting plate of the locking device supports a top plate by rotating a turntable of the locking device, so that the matching degree of a bearing seat and the bearing is higher, the secondary processing of the bearing seat is avoided, and the locking device adopts the design that the supporting plate is matched with the top plate, so that the contact area between the locking device and the bearing seat is larger, and the locking device is firmer after being locked.
Description
Technical Field
The utility model belongs to the technical field of mechanical bearing parts, and particularly relates to a double-row tapered roller bearing convenient to mount and fix.
Background
The double-row tapered roller bearing structure comprises an inner ring, an outer ring, a middle spacer ring, a tapered roller and a retainer, the double-row tapered roller bearing is widely applied to the fields of automobiles, rolling mills and the like, the common bearing installation mode is interference fit, namely the diameter of a bearing sleeve needs to be smaller than the outer diameter of the bearing, however, in the actual use process, the condition that the friction between the bearing sleeve and the bearing outer ring is caused due to poor fit often occurs between the bearing sleeve and the bearing, and therefore the double-row tapered roller bearing convenient to install and fix is necessary to be provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a double-row tapered roller bearing which is convenient to mount and fix, and aims to solve the problem of poor matching degree between a bearing outer ring and a bearing sleeve in the double-row tapered roller bearing provided by the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
a double-row tapered roller bearing convenient to install and fix comprises a bearing inner ring, a bearing outer ring arranged on the outer side of the bearing inner ring and a retainer arranged between the bearing inner ring and the bearing outer ring, wherein rollers are arranged in the retainer, the bearing outer ring is provided with a locking groove, a turntable groove is arranged on the side surface of the bearing outer ring, through holes are formed in the turntable groove and the locking groove, a screw fixing groove is arranged at one end, away from the turntable groove, of the locking groove, a locking device is arranged in the locking groove and comprises a turntable, a screw, a front push block, a rear push block, a front support plate, a rear support plate and a top plate, the turntable is arranged in the turntable groove, a handle jack is arranged on the turntable, a handle is arranged in the handle jack, the bottom of the turntable is fixedly connected with the screw, the screw penetrates through hole, the other end of the screw is rotatably arranged in the screw fixing groove, the front push block and the rear push block are arranged in the locking groove in parallel, threaded holes with opposite thread directions are formed in the front push block and the rear push block, the threaded holes are matched with threads of the screw rod, the top of the front push block is movably connected with one end of the front supporting plate, the other end of the front supporting plate is movably connected with one end of the top plate, the other end of the top plate is movably connected with one end of the rear supporting plate, and the other end of the rear supporting plate is movably connected with the top of the rear push block.
Further, carousel and screw rod swing joint, the fixed pivot that is provided with in carousel bottom, the one end that the carousel was kept away from in the pivot is provided with the spring chamber, the fixed spring that is provided with in the spring chamber, be provided with the fixture block in the pivot, the one end that the screw rod is close to the carousel is provided with the pivot chamber, be provided with the guide way on the wall of pivot chamber, the pivot chamber is provided with the draw-in groove, the pivot sets up in the pivot intracavity, spring and pivot chamber bottom fixed connection.
Furthermore, the side wall of the locking groove is provided with a sliding groove, the side surfaces of the front push block and the rear push block are provided with sliding blocks matched with the sliding groove, and the sliding blocks are arranged in the sliding groove in a sliding mode.
Furthermore, the turntable is provided with a pulling sheet groove, a pulling sheet is arranged in the pulling sheet groove, and the pulling sheet is movably connected with the turntable.
Furthermore, one end of the pull sheet groove, which is far away from the edge of the rotary disc, is provided with a groove.
Furthermore, a spring snap ring is arranged at the bottom of the spring groove, and the spring is fixedly connected with the spring snap ring.
The utility model has the beneficial effects that: through set up locking device in the bearing inner race, make the degree of cooperation of bearing frame and bearing higher, avoided the secondary operation of bearing frame, locking device adopts extension board and roof matched with design, makes the area of contact of locking device and bearing frame bigger, and is more firm after the locking, and the carousel adopts pull and embedded design, makes the bearing outward appearance level and smooth pleasing to the eye, and the pull-out type pulling-on piece on the carousel has replaced twist grip, and it is more simple and convenient to operate.
Drawings
Fig. 1 is a perspective view of a double-row tapered roller bearing convenient to mount and fix according to the present invention.
Fig. 2 is a partial sectional view of a double-row tapered roller bearing convenient to mount and fix according to the present invention.
Fig. 3 is a perspective view of a locking mechanism of a double-row tapered roller bearing convenient to mount and fix, which is provided by the utility model.
FIG. 4 is a partial sectional view of a screw fixing groove of a double-row tapered roller bearing convenient to install and fix according to the present invention
Fig. 5 is a perspective view of a screw of the double-row tapered roller bearing convenient to mount and fix according to the present invention.
Fig. 6 is a cross-sectional view of a rotating disk of a double-row tapered roller bearing convenient to mount and fix, which is provided by the utility model.
Fig. 7 is a perspective view of a pull tab of a double-row tapered roller bearing convenient to mount and fix, which is provided by the utility model.
In the drawing, a bearing outer ring 1, a roller 2, a retainer 3, a bearing inner ring 4, a locking device 5, a turntable groove 10, a through hole 11, a locking groove 12, a sliding groove 13, a screw fixing groove 14, a turntable 51, a handle 511, a handle inserting hole 512, a pull piece groove 513, a pull piece sliding groove 5130, a pull piece 514, a pull piece sliding shaft 5140, a rotating shaft 515, a fixture block 516, a spring snap ring 517, a spring cavity 518, a groove 519, a screw 52, a rotating shaft cavity 521, a guide groove 522, a clamping groove 523, a front push block 53, a front push block slider 531, a front support plate 54, a top plate 55, a rear support plate 56, a rear push block 57, a rear push block slider 571 and a spring 58.
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.
Example 1
Referring to fig. 1-4, a double-row tapered roller bearing convenient for installation and fixation comprises a bearing inner ring 4, a bearing outer ring 1 arranged on the outer side of the bearing inner ring 4, and a retainer 3 arranged between the bearing inner ring 4 and the bearing outer ring 1, rollers 2 are arranged in the retainer 3, a locking groove 12 is arranged on the outer side of the bearing outer ring 1, a turntable groove 10 is arranged on the side surface of the bearing outer ring 1, the turntable groove 10 and the locking groove 12 are communicated by a through hole 11, a screw rod fixing groove 14 is arranged at one end of the locking groove 12 far away from the turntable groove 10, a locking device 5 is arranged in the locking groove 12, the locking device 5 comprises a turntable 51, a screw rod 52, a front push block 53, a rear push block 57, a front support plate 54, a rear support plate 56 and a top plate 55, the turntable 51 is arranged in the turntable groove 10, a handle jack 512 is arranged on the turntable 10, a handle 511 is arranged in the handle jack 512, the bottom of the turntable 51 is fixedly connected with one end of the screw rod 52, the other end of the screw rod 52 penetrates through the through hole 11 and is rotatably arranged in the screw rod fixing groove 14, the front push block 53 and the rear push block 57 are arranged in the locking groove 12 in parallel, the front push block 53 and the rear push block 57 are provided with threaded holes with opposite thread directions, the front support plate 54, the top plate 55 and the rear support plate 56 are sequentially movably connected in series, the front support plate 54 is movably connected with the front push block 53, and the rear support plate 56 is movably connected with the rear push block 57.
After the bearing is arranged in the bearing sleeve, the handle 511 is inserted into the handle insertion hole 512 to rotate the rotary disc 51, the screw 52 fixedly connected with the rotary disc 51 rotates along with the rotary disc, threaded holes with opposite thread directions are formed in the front push block 53 and the rear push block 57, the front push block 53 and the rear push block 57 are driven by the screw 52 to approach each other, and meanwhile, the front support plate 54 and the rear support plate 56 are driven to support the top plate 55, so that the effect of mutually fixing the bearing and the bearing sleeve is achieved, the handle 511 can be pulled out from the handle insertion hole 512 after fastening is completed, and the normal use of the bearing is not influenced.
Example 2
Referring to fig. 1-6, in this embodiment, on the basis of embodiment 1, a rotary table 51 is movably connected to a screw 52, a pull sheet groove 513 is disposed on the rotary table 51, a pull sheet 514 is disposed in the pull sheet groove 513, a pull sheet sliding groove 5130 is disposed on an inner wall of the pull sheet groove 513, a pull sheet sliding shaft 5140 is disposed at one end of the pull sheet 514, the pull sheet sliding shaft 5140 freely slides in the pull sheet sliding groove 5130, an inwardly recessed groove 519 is disposed at one end of the pull sheet groove 513 away from the rotary table 51, a rotating shaft 515 is fixedly disposed at the bottom of the rotary table 51, a fixture block 516 is disposed at a position of the rotating shaft 515 close to the rotary table 51, a spring cavity 518 is disposed at one end of the rotating shaft 515 away from the rotary table 51, a spring snap ring 517 is disposed at the bottom of the spring cavity 518, a rotating shaft cavity 521 is disposed at one end of the screw 52 close to the rotary table 51, a guide groove 522 is disposed on a wall of the rotating shaft cavity 521, a rotation shaft 515 is disposed in the rotating shaft cavity 521, a spring 58 is disposed in the spring cavity 518, one end of the spring 58 is fixedly connected with the spring snap ring 517, and the other end is fixedly connected with the bottom of the rotating shaft cavity 521.
When the bearing is fastened with the bearing sleeve, the groove 519 in the pull-tab groove 513 can enable the pull-tab 514 to tilt at a certain angle, the rotating shaft 515 of the pull-tab 514 is pulled out from the shaft cavity 521 by pulling, meanwhile, the spring 58 in the spring cavity 518 is stretched, after the clamping block 516 slides out of the guide groove 522, the clamping block 516 of the pull-tab 514 is rotated to slide into the clamping groove 523 along the end part of the rotating shaft cavity 521 for clamping, at the moment, the turntable 51 is separated from the turntable groove 10, the pull-tab 514 is pulled along the turntable 51 in the radial direction to the end of the pull-tab sliding groove 5130, the pull-tab 514 becomes a handle of the turntable 51, the turntable 51 is rotated to fasten the bearing sleeve, the components are reset after fastening is finished, and the spring 58 pulls the turntable 51 to be fixed in the turntable groove 10, so that the normal use of the bearing is not influenced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. A double-row tapered roller bearing convenient to install and fix comprises a bearing inner ring, a bearing outer ring arranged on the outer side of the bearing inner ring and a retainer arranged between the bearing inner ring and the bearing outer ring, wherein rollers are arranged in the retainer, and the double-row tapered roller bearing is characterized in that the bearing outer ring is provided with a locking groove and a turntable groove, a through hole is formed between the locking groove and the turntable groove, one end, far away from the turntable groove, of the locking groove is provided with a screw fixing groove, a locking device is arranged in the locking groove and comprises a turntable, a screw, a front push block, a rear push block, a front support plate, a rear support plate and a top plate, the turntable is arranged in the turntable groove, the turntable is provided with a handle jack, a handle is arranged in the handle jack, one end of the screw is rotatably arranged at the other end of the screw fixing groove and penetrates through the through hole to the turntable groove, and the turntable is fixedly connected with one end, far away from the screw, of the fixing groove, the front push block and the rear push block are arranged in the locking groove in parallel, threaded holes with opposite thread directions are formed in the front push block and the rear push block, the threaded holes are matched with threads of the screw rods, the front support plate, the top plate and the rear support plate are sequentially and movably connected in series, the front support plate is movably connected with the front push block, and the rear support plate is movably connected with the rear push block.
2. The double-row tapered roller bearing convenient to install and fix as claimed in claim 1, wherein the turntable is movably connected with the screw, a rotating shaft is fixedly arranged at the bottom of the turntable, a spring cavity is arranged at one end of the rotating shaft, which is far away from the turntable, a spring is fixedly arranged in the spring cavity, a clamping block is arranged on the rotating shaft, a rotating shaft cavity is arranged at one end of the screw, which is close to the turntable, a guide groove is arranged on a side cavity wall of the rotating shaft, the clamping block is matched with the guide groove, a clamping groove is arranged in the rotating shaft cavity, the rotating shaft is arranged in the rotating shaft cavity, and the spring is fixedly connected with the bottom of the rotating shaft cavity.
3. The double-row tapered roller bearing convenient to install and fix as claimed in claim 1 or 2, wherein a sliding groove is formed in a side wall of the locking groove, a front push block sliding block is arranged on a side surface of the front push block, a rear push block sliding block is arranged on a side surface of the rear push block, and the front push block sliding block and the rear push block sliding block freely slide in the sliding groove.
4. The double-row tapered roller bearing convenient to install and fix as claimed in claim 2, wherein the turntable is provided with a pull sheet groove, a pull sheet is arranged in the pull sheet groove, and the pull sheet is movably connected with the turntable.
5. The double-row tapered roller bearing convenient to install and fix as claimed in claim 2, wherein a spring snap ring is arranged at the bottom of the spring cavity, and the spring is fixedly connected with the spring snap ring.
6. The double-row tapered roller bearing convenient to install and fix as claimed in claim 4, wherein a groove is formed at one end of the pull tab groove away from the edge of the rotating disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121666497.2U CN216111756U (en) | 2021-07-22 | 2021-07-22 | Double-row tapered roller bearing convenient to install and fix |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121666497.2U CN216111756U (en) | 2021-07-22 | 2021-07-22 | Double-row tapered roller bearing convenient to install and fix |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216111756U true CN216111756U (en) | 2022-03-22 |
Family
ID=80722829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121666497.2U Expired - Fee Related CN216111756U (en) | 2021-07-22 | 2021-07-22 | Double-row tapered roller bearing convenient to install and fix |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216111756U (en) |
-
2021
- 2021-07-22 CN CN202121666497.2U patent/CN216111756U/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: 20220322 |