CN220890772U - Bidirectional thrust cylindrical roller bearing - Google Patents
Bidirectional thrust cylindrical roller bearing Download PDFInfo
- Publication number
- CN220890772U CN220890772U CN202322762404.1U CN202322762404U CN220890772U CN 220890772 U CN220890772 U CN 220890772U CN 202322762404 U CN202322762404 U CN 202322762404U CN 220890772 U CN220890772 U CN 220890772U
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- Prior art keywords
- bearing
- cylindrical roller
- seat
- shutoff
- dust
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- 230000002457 bidirectional effect Effects 0.000 title abstract description 10
- 239000004519 grease Substances 0.000 claims abstract description 32
- 238000002347 injection Methods 0.000 claims abstract description 21
- 239000007924 injection Substances 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 6
- 230000001050 lubricating effect Effects 0.000 abstract description 22
- 238000012423 maintenance Methods 0.000 abstract description 13
- 238000005461 lubrication Methods 0.000 abstract description 12
- 239000000428 dust Substances 0.000 abstract description 9
- 239000012535 impurity Substances 0.000 abstract description 8
- 238000005299 abrasion Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a bidirectional thrust cylindrical roller bearing, relates to the technical field of bearings, and solves the problems that the operation of filling lubricating grease into an inner bearing roller cannot be realized on the premise of not disassembling a dust-proof ring in the prior cylindrical roller bearing, and external dust, impurities and the like easily enter the bearing after the dust-proof ring is disassembled to influence the running precision of the bearing and accelerate the abrasion of the bearing. The lubricating grease for lubricating the inside of the bearing body can be injected into the inside of the bearing body through the injection assembly, so that the lubrication and maintenance operation of the bearing body are realized, the dust rings on two sides do not need to be disassembled in the process, namely, the bearing body can realize maintenance and lubrication operation in a closed state, external dust and impurities are prevented from entering the inside of the bearing body in the lubrication or maintenance operation process, and the use is stable, so that the durability of the bearing body is improved.
Description
Technical Field
The utility model belongs to the technical field of bearings, and particularly relates to a bidirectional thrust cylindrical roller bearing.
Background
The cylindrical roller bearing is a radial rolling bearing with cylindrical rollers, the rollers are arranged in parallel in the inner structure, a spacer or a spacer is arranged between the rollers, the rollers can be prevented from tilting or rubbing each other, the increase of the rotating torque is effectively prevented, the cylindrical roller bearing is widely applied to the mechanical industry at present, and the cylindrical roller bearing with bidirectional thrust is one of the cylindrical roller bearings, has preload in the axial direction and the radial direction after the bearing is assembled, and can bear axial load, radial load and overturning moment in a bidirectional way.
The operation of filling lubricating grease to the inner bearing roller can not be realized under the premise of not disassembling the dust-proof ring when the conventional cylindrical roller bearing is used, in other words, when maintenance lubrication needs to be carried out on the bearing, the dust-proof ring is required to be disassembled, external dust, impurities and the like enter the bearing to affect the operation precision of the bearing easily, meanwhile, the abrasion of the bearing can be accelerated by the dust and the impurities, the durability of the bearing is poor, and the practicability is low.
Disclosure of utility model
In order to solve the technical problems, the utility model provides a bidirectional thrust cylindrical roller bearing, which aims to solve the problems that the prior cylindrical roller bearing can not realize the operation of filling lubricating grease into the inner bearing roller on the premise of not disassembling a dust-proof ring, and external dust, impurities and the like easily enter the bearing after the dust-proof ring is disassembled to influence the running precision of the bearing and accelerate the abrasion of the bearing.
The aim and the effect of the bidirectional thrust cylindrical roller bearing are achieved by the following specific technical means:
A bidirectional thrust cylindrical roller bearing comprises a bearing body and an injection assembly; the bearing body comprises a bearing outer ring, a bearing inner ring, bearing rollers, a retainer and a dust-proof ring, wherein the bearing rollers are arranged between the bearing outer ring and the bearing inner ring, the bearing rollers are arranged in the retainer, and the dust-proof ring is arranged on the side surface between the bearing outer ring and the bearing inner ring; the injection assembly comprises a mounting seat, an operation block and a plugging seat, wherein the mounting seat is fixedly arranged in the bearing outer ring, the operation block is inserted in the mounting seat, and the plugging seat is rotationally connected in the mounting seat.
Further, the block external section of the operation block is regular polygon, and the inside of the installation seat is provided with a track groove, and the operation block is inserted in the track groove.
Further, grease channels are formed in the operation block and at the bottom of the mounting seat, and the operation block and the mounting seat are located on the same vertical line.
Furthermore, the block top of shutoff seat is equipped with the cross channel.
Further, the bottom of operation piece is equipped with the gangbar, and the gangbar is pegged graft in the inside of shutoff seat, and the body of rod outside of gangbar is equipped with the heliciform linkage groove, and the inside of shutoff seat is equipped with the linkage arch, and the linkage arch is pegged graft in the inside of linkage groove.
Further, the bottom of operation piece is equipped with shutoff top spring, and the both ends of shutoff top spring support respectively in the bottom of operation piece and the inside of mount pad, under the effect of shutoff top spring, cross passageway and grease passageway are mutual dislocation design when the operation piece is not pressed by external force.
Compared with the prior art, the utility model has the following beneficial effects:
The outside of bearing body is provided with the injection subassembly for the inside lubricated lubricating grease of bearing body can be through the injection subassembly injection into the inside of bearing body, from realizing the lubrication and the maintenance operation of bearing body, and need not to dismantle the dirt proof ring of both sides at this in-process, the bearing body can realize maintenance and lubricated operation under confined state promptly, avoid external dust, impurity to get into the inside of bearing body at lubrication or maintenance operation in-process, use stably, improved the durability of bearing body, flexibility and practicality are extremely strong.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of the structure of the injection assembly of the present utility model in a reset state.
Fig. 3 is a schematic structural view of the mounting base and the plugging base of the present utility model.
Fig. 4 is a schematic structural view of an operation block of the present utility model.
Fig. 5 is a schematic view showing the structure of the inside of the injection assembly after the operation block is pressed.
Fig. 6 is an enlarged schematic view of the structure of fig. 2 according to the present utility model.
Fig. 7 is an enlarged schematic view of the structure of the B part in fig. 5 according to the present utility model.
In the figure, the correspondence between the component names and the drawing numbers is:
1. A bearing body; 101. a bearing outer ring; 102. a bearing inner ring; 103. a bearing roller; 104. a retainer; 105. a dust-proof ring; 2. an injection assembly; 201. a mounting base; 2011. a track groove; 2012. a grease channel; 202. an operation block; 2021. plugging the top spring; 2022. a linkage groove; 203. a plugging seat; 2031. crossing channels; 2032. and the linkage bulge.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples.
As shown in fig. 1 to 7:
Example 1: the utility model provides a bidirectional thrust cylindrical roller bearing, which comprises a bearing body 1 and an injection assembly 2, wherein the injection assembly is arranged on the bearing body; the bearing body 1 comprises a bearing outer ring 101, a bearing inner ring 102, bearing rollers 103, a retainer 104 and a dust-proof ring 105, wherein the bearing rollers 103 are arranged between the bearing outer ring 101 and the bearing inner ring 102, the bearing rollers 103 are arranged in the retainer 104, and the dust-proof ring 105 is arranged on the side surface between the bearing outer ring 101 and the bearing inner ring 102; the injection assembly 2 comprises a mounting seat 201, an operation block 202 and a plugging seat 203, wherein the mounting seat 201 is fixedly arranged in the bearing outer ring 101, the operation block 202 is inserted into the mounting seat 201, and the plugging seat 203 is rotationally connected in the mounting seat 201.
The external section of the block body of the operation block 202 is regular polygon, a track groove 2011 is formed in the installation seat 201, the operation block 202 is inserted into the track groove 2011, and the operation block 202 cannot rotate in the installation seat 201 due to the design, so that limiting and controlling functions of the use angle of the plugging seat 203 can be stably realized.
Wherein, the bottom of operation piece 202 is equipped with shutoff top spring 2021, and shutoff top spring 2021's both ends are supported respectively in the bottom of operation piece 202 and the inside of mount pad 201, under the effect of shutoff top spring 2021, cross passageway 2031 and grease passageway 2012 are dislocation design each other when operation piece 202 is not pressed by external force, in use, injection subassembly 2 can keep closed state when reset state (i.e. operation piece 202 is not pressed by external force), thereby avoid bearing body 1 inside lubricating grease to appear leaking scheduling problem emergence because bearing body 1's operation, use stably, shutoff top spring 2021 can jack up operation piece 202 location service position when injection subassembly 2 is in reset state, thereby the gangway 2022 can be through the use angle of gangway boss 2032 location shutoff seat 203, be the state of dislocation shutoff each other between the inside grease passageway 2012 of cross passageway 2031 and mount pad 201 at this moment, thereby the inside grease of bearing body 1 can not spill outside through the grease passageway 2012 of mount pad 201, the lubricating body 1 of its inside can be stable lubricating body 1 plays the function of lubrication and maintenance extremely strong.
Wherein grease channels 2012 are arranged in the operation block 202 and at the bottom of the mounting seat 201, the operation block 202 and the mounting seat 201 are positioned on the same vertical line, a cross channel 2031 is arranged at the top of a block body of the plugging seat 203, in use, when lubricating grease is required to be added into the bearing body 1 for lubrication or maintenance, after the operation block 202 is pressed against a filling nozzle of a lubricating grease container, the lubricating grease in the operation block 202 enters the bearing body 1 under the action of pressure by pressing the lubricating grease container, when the operation block 202 is pressed against the lubricating grease container, the operation block 202 can move into the mounting seat 201 and compress the plugging top spring 2021, a linkage rod is arranged at the bottom of the operation block 202 and is inserted into the plugging seat 203, a spiral linkage groove 2022 is arranged outside a rod body of the linkage rod, a linkage protrusion 2032 is arranged in the plugging seat 203, the linkage protrusion 2032 is inserted into the linkage groove 2022, the operation block 202 can drive the operation block 202 to rotate through the linkage protrusion 2032 to change the use angle when moving, thereby enabling the cross channel 2031 to coincide with the mounting seat 201 and the grease channel 2012 of the operation block 202, enabling the lubricating grease to enter into the bearing body 1 through the grease channel 2012 and the cross channel 2031, further realizing the lubrication maintenance operation of the bearing body 1, and the like, in the operation process, the dust-proof rings 105 on two sides are not required to be disassembled, the phenomenon that dust, impurities and the like enter into the bearing body 1 to cause the bearing body 1 to be damaged in advance is avoided, the stability of the device is further improved, the flexibility is extremely strong, and when the lubrication maintenance operation of the bearing body 1 is finished, the injection assembly 2 can be automatically reset to restore the sealing state after the operation block 202 is released, the use is convenient and flexible, after the operation block 202 is loosened, the operation block 202 can automatically move upwards to reset under the action of the plugging top spring 2021, and when the operation block 202 resets, the plugging seat 203 can be driven to reversely reset to restore to the plugging state.
Specific use and action of the embodiment:
In the utility model, the bearing body 1 can be used after being assembled, and the injection assembly 2 can keep a closed state when in a reset state (namely, the operation block 202 is not pressed by external force), so that the problems of leakage and the like caused by the operation of the bearing body 1 are avoided, the use is stable, when the injection assembly 2 is in the reset state, the sealing top spring 2021 can jack up the operation block 202 to a positioning use position, the linkage groove 2022 can position the use angle of the sealing seat 203 through the linkage protrusion 2032, namely, the state that the cross channel 2031 and the grease channel 2012 inside the installation seat 201 are staggered with each other is formed, the grease inside the bearing body 1 can not overflow out through the grease channel 2012 inside the installation seat 201, the lubricating grease inside the bearing body can stably play a role of lubricating and curing the bearing body 1, the bearing body 1 needs to be lubricated and cured after the bearing body 1 is used for a certain time, when the lubricating grease needs to be added into the bearing body 1, the lubricating and curing operation is performed, the lubricating grease needs to be filled into the bearing body 1, the lubricating mouth 202 is only needs to be filled with the lubricating grease and pressed into the inside the bearing body 202, the cross channel 2031 can be pushed into the cross channel 2012 through the cross channel 2031 through the effect of pressing operation block 202, the cross channel 2012 can be changed, and the grease can be pushed into the cross channel 2012 can be pushed into the inner channel 201 through the cross channel 201 and the operation block 201 when the cross channel 2012 is pressed by the cross channel 202 and the operation block 201 is pressed into the cross channel 201 through the operation block 201 when the cross channel 2012 is pressed by the operation block 202 and the operation block 201 and the inner side can be pressed into the operation block 201, furthermore, the lubrication maintenance operation and other operations of the bearing body 1 are realized, the dust-proof rings 105 on two sides are not required to be detached in the operation process, the phenomenon that dust, impurities and the like enter the bearing body 1 to cause the bearing body 1 to be damaged in advance is avoided, after the lubrication maintenance operation of the bearing body 1 is completed, the injection assembly 2 can be automatically reset to restore the plugging state after the operation block 202 is loosened, the operation block 202 is convenient and flexible to use, the operation block 202 can be automatically moved upwards to reset under the action of the plugging top spring 2021, and the operation block 202 can drive the plugging seat 203 to reversely reset to restore the plugging state when reset.
In another embodiment, the cross-section of the plugging seat 203 is "T" shaped, and the contact surfaces between the bottom of the top block of the plugging seat 203 and the mounting seat 201 are all provided with a leakage-proof rubber layer, so as to further improve the plugging effect of the injection assembly 2 in the reset state.
Claims (6)
1. A bi-directional thrust cylindrical roller bearing, comprising: a bearing body (1); the method is characterized in that: also comprises an injection assembly (2); the bearing body (1) comprises a bearing outer ring (101), a bearing inner ring (102), bearing rollers (103), a retainer (104) and a dust-proof ring (105), wherein the bearing rollers (103) are arranged between the bearing outer ring (101) and the bearing inner ring (102), the bearing rollers (103) are arranged in the retainer (104), and the dust-proof ring (105) is arranged on the side surface between the bearing outer ring (101) and the bearing inner ring (102); injection subassembly (2) are including mount pad (201), operation piece (202) and shutoff seat (203), inside mount pad (201) fixed mounting is in bearing outer lane (101), and operation piece (202) peg graft in the inside of mount pad (201), the inside at mount pad (201) is connected in the rotation of shutoff seat (203).
2. A bi-directional thrust cylindrical roller bearing according to claim 1, wherein: the block body external section of the operation block (202) is regular polygon, a track groove (2011) is formed in the installation seat (201), and the operation block (202) is inserted into the track groove (2011).
3. A bi-directional thrust cylindrical roller bearing according to claim 2, wherein: grease channels (2012) are formed in the operation block (202) and at the bottom of the installation seat (201), and the operation block (202) and the installation seat (201) are located on the same vertical line.
4. A bi-directional thrust cylindrical roller bearing according to claim 3, wherein: the top of the block body of the plugging seat (203) is provided with a cross channel (2031).
5. A bi-directional thrust cylindrical roller bearing according to claim 4, wherein: the bottom of operation piece (202) is equipped with the gangbar, and the gangbar is pegged graft in the inside of shutoff seat (203), and the body of rod outside of gangbar is equipped with heliciform linkage groove (2022), and the inside of shutoff seat (203) is equipped with linkage arch (2032), and linkage arch (2032) peg graft in the inside of linkage groove (2022).
6. A bi-directional thrust cylindrical roller bearing according to claim 5, wherein: the bottom of operation piece (202) is equipped with shutoff top spring (2021), and the both ends of shutoff top spring (2021) support respectively in the inside of the bottom of operation piece (202) and mount pad (201), under the effect of shutoff top spring (2021), cross passageway (2031) and grease passageway (2012) are mutual dislocation design when operation piece (202) are not pressed by external force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322762404.1U CN220890772U (en) | 2023-10-16 | 2023-10-16 | Bidirectional thrust cylindrical roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322762404.1U CN220890772U (en) | 2023-10-16 | 2023-10-16 | Bidirectional thrust cylindrical roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220890772U true CN220890772U (en) | 2024-05-03 |
Family
ID=90837252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322762404.1U Active CN220890772U (en) | 2023-10-16 | 2023-10-16 | Bidirectional thrust cylindrical roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220890772U (en) |
-
2023
- 2023-10-16 CN CN202322762404.1U patent/CN220890772U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |