CN216867304U - Linear bearing with pre-tightening and clearance eliminating functions - Google Patents
Linear bearing with pre-tightening and clearance eliminating functions Download PDFInfo
- Publication number
- CN216867304U CN216867304U CN202220586311.0U CN202220586311U CN216867304U CN 216867304 U CN216867304 U CN 216867304U CN 202220586311 U CN202220586311 U CN 202220586311U CN 216867304 U CN216867304 U CN 216867304U
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- Prior art keywords
- tightening
- shaft
- linear bearing
- shaft body
- mounting seat
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- Expired - Fee Related
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- 230000008030 elimination Effects 0.000 claims description 8
- 238000003379 elimination reaction Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000035939 shock Effects 0.000 abstract description 2
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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Abstract
The utility model provides a linear bearing with pre-tightening and clearance eliminating functions, which relates to the technical field of linear bearings and comprises a shaft barrel, wherein a shaft body is sleeved in the shaft barrel, pre-tightening springs are fixedly arranged on the inner walls of the shaft body, which are close to two sides, a fastening block is fixedly connected to one end of each pre-tightening spring, grooves are formed in one sides of the shaft body and the fastening block, the grooves are arranged between the shaft body and the fastening block in a circumferential state, the fastening block is arc-shaped, the fastening blocks are symmetrically distributed in the shaft body, a fixing device is arranged on one side of the shaft barrel, the fixing device comprises a mounting seat, the mounting seat is arranged on one side of the shaft barrel, when the linear bearing is actually used, a gap between an inserted shaft and an original linear bearing is eliminated by arranging the shaft barrel, the pre-tightening springs, the fastening blocks and the grooves, and a buffer and shock resistance effect is achieved by the pre-tightening springs, the service life of the shaft body is prolonged, and practical use is facilitated.
Description
Technical Field
The utility model relates to the technical field of linear bearings, in particular to a linear bearing with a pre-tightening and clearance-eliminating function.
Background
The metal linear bearing is a linear motion system produced at low cost, is used for matching an infinite stroke with a cylindrical shaft, is widely applied to sliding parts of industrial machinery such as precision machine tools, textile machinery, food packaging machinery, printing machinery and the like, is usually fixed in a matched bearing sleeve in the installation process of the linear bearing, and when the original linear bearing is used for a long time, the abrasion is generated between the shaft and the bearing, so that the clearance is increased, and the vibration is generated in the motion process.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a linear bearing with a pre-tightening and clearance-eliminating function.
In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a linear bearing with pretension gap elimination function, includes the shaft barrel, the inside cover of shaft barrel is equipped with the axis body, the inner wall that the axis body is close to both sides all is equipped with the pretension spring admittedly, the one end fixedly connected with fastening block of pretension spring, one side of axis body and fastening block is all seted up flutedly.
In order to improve the heat dissipation performance of the shaft body, the utility model improves that the grooves are arranged between the shaft body and the fastening block in a circumferential state.
In order to fit the inner shape of the shaft body, the utility model improves that the fastening blocks are arc-shaped and are symmetrically distributed in the shaft body.
In order to enable the shaft barrel to be installed in different environments, the utility model is improved in that a fixing device is arranged on one side of the shaft barrel and comprises an installation seat, the installation seat is arranged on one side of the shaft barrel, threaded holes are formed in the surfaces of the installation seat and the shaft barrel, and locking screws are rotated inside the threaded holes.
In order to assist people to fix the mounting seat, the utility model is improved in that a position, close to the threaded hole, on the surface of the shaft cylinder is fixedly provided with a limiting ring.
In order to improve the firmness of the mounting seat, the utility model improves that the locking screws are symmetrically distributed on two sides of the mounting seat.
Compared with the prior art, the utility model has the advantages and positive effects that,
1. in the utility model, when in actual use, the shaft barrel, the shaft body, the pre-tightening spring, the fastening block and the groove are arranged, so that a gap between the insertion shaft and the original linear bearing is eliminated, and meanwhile, the pre-tightening spring plays a role in buffering and resisting shock, so that the service life of the shaft body is prolonged, and the shaft body is beneficial to actual use.
2. In the utility model, when in actual use, the shaft cylinder can be fixed on the bed tables with different specifications by arranging the fixing device, so that the practicability of the shaft cylinder is improved, and the shaft cylinder is beneficial to actual use.
Drawings
FIG. 1 is a schematic diagram of an overall structure of a linear bearing with pre-tightening and clearance-eliminating functions according to the present invention;
FIG. 2 is a schematic cross-sectional structural view of a shaft body in FIG. 1 in a linear bearing with pre-tightening and clearance elimination functions according to the present invention;
FIG. 3 is an enlarged view of the portion A in FIG. 2 of a linear bearing with pre-tightening and clearance-eliminating functions according to the present invention;
fig. 4 is an enlarged view of B in fig. 2 of a linear bearing with a pre-tightening and clearance-eliminating function according to the present invention.
Illustration of the drawings:
1. a shaft cylinder; 2. a shaft body; 3. pre-tightening the spring; 4. a fastening block; 5. a groove; 6. a mounting seat; 7. a limiting ring; 8. a threaded hole; 9. and locking the screw.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.
In a first embodiment, please refer to fig. 1-3, the present invention provides a technical solution: the utility model provides a linear bearing with pretension clearance elimination function, includes an axle section of thick bamboo 1, the inside cover of an axle section of thick bamboo 1 is equipped with axis body 2, and axis body 2 is close to the inner wall of both sides and all adorns pretension spring 3 admittedly, and the one end fixedly connected with anchorage block 4 of pretension spring 3, the shape of anchorage block 4 is the arc, and 4 symmetric distribution of anchorage block are in axis body 2, through the anchorage block 4 that sets up the arc shape, make its shape that can laminate 2 inner walls of axis body, have played the effect of eliminating the clearance.
Please refer to fig. 1, fig. 2 and fig. 4, grooves 5 are formed on one sides of the shaft body 2 and the fastening block 4, the grooves 5 are arranged between the shaft body 2 and the fastening block 4 in a circumferential state, and air can effectively circulate between the shaft body 2 and the fastening block 4 through the plurality of groups of grooves 5, so as to play a role of heat dissipation.
In a second embodiment, please refer to fig. 1, a fixing device is disposed on one side of the shaft barrel 1, the fixing device includes a mounting seat 6, the mounting seat 6 is disposed on one side of the shaft barrel 1, threaded holes 8 are disposed on the surfaces of the mounting seat 6 and the shaft barrel 1, locking screws 9 are rotated inside the threaded holes 8, the locking screws 9 are symmetrically disposed on two sides of the mounting seat 6, and the two sides of the mounting seat 6 can be fixed by the symmetrically disposed locking screws 9, so that the firmness of the mounting seat 6 is improved.
Referring to fig. 1, a position, close to the threaded hole 8, on the surface of the shaft tube 1 is fixedly provided with a limiting ring 7, and the limiting ring 7 is arranged to play a role in assisting people in fixing the mounting base 6, so that the mounting base 6 and the threaded hole 8 on the shaft tube 1 are kept flush.
The working principle is as follows: by arranging the shaft barrel 1, the shaft body 2, the pre-tightening spring 3, the fastening block 4 and the groove 5 and utilizing the mode of arranging the pre-tightening spring 3 and the fastening block 4 at the two sides of the shaft body 2, when the shaft is inserted into the shaft body 2, the pre-tightening spring 3 deforms and drives the fastening block 4 to be always abutted to the periphery of the shaft, thereby playing a pre-tightening role, when the shaft and the shaft body 2 are abraded, the pre-tightening spring 3 can play a role in buffering and damping, the groove 5 is arranged, so that air can circulate between the shaft body 2 and the fastening block 4, the heat dissipation performance of the shaft body 2 is improved, by arranging the fixing device, because different linear bearing application environments are different, when people need to install the shaft barrel 1 on bed tables with different specifications, the shaft barrel is moved out of the threaded hole 8 by rotating the locking screw 9, and the mounting seat 6 is not limited any more, people can take it off from axle cylinder 1 surface to the mount pad 6 of the different interval hole sites of replacement makes axle cylinder 1 can install under different environment, when people need fix mount pad 6, only need with it slide to axle cylinder 1 one side can, when mount pad 6 and spacing ring 7 laminating, mount pad 6 can't remove this moment, thereby makes screw hole 8 on axle cylinder 1 and the mount pad 6 keep the parallel and level, has played the effect of supplementary people's fixed locking screw 9.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.
Claims (6)
1. The utility model provides a linear bearing with pretension gap eliminating function, includes shaft barrel (1), its characterized in that: the shaft body (2) is sleeved in the shaft barrel (1), the pre-tightening springs (3) are fixedly mounted on the inner walls, close to the two sides, of the shaft body (2), fastening blocks (4) are fixedly connected to one ends of the pre-tightening springs (3), and grooves (5) are formed in one sides of the shaft body (2) and the fastening blocks (4).
2. The linear bearing with pre-tightening backlash elimination function according to claim 1, wherein: the grooves (5) are arranged between the shaft body (2) and the fastening block (4) in a circumferential state.
3. The linear bearing with pre-tightening backlash elimination function according to claim 2, wherein: the shape of fastening block (4) is the arc, fastening block (4) symmetric distribution is in axis body (2).
4. The linear bearing with pre-tightening backlash elimination function according to claim 1, wherein: one side of an axle cylinder (1) is provided with a fixing device, the fixing device comprises a mounting seat (6), the mounting seat (6) is arranged on one side of the axle cylinder (1), threaded holes (8) are formed in the surfaces of the mounting seat (6) and the axle cylinder (1), and locking screws (9) are arranged inside the threaded holes (8) in a rotating mode.
5. The linear bearing with pre-tightening backlash elimination function according to claim 4, wherein: and a limiting ring (7) is fixedly arranged on the surface of the shaft barrel (1) close to the position of the threaded hole (8).
6. The linear bearing with pre-tightening backlash elimination function according to claim 4, wherein: the locking screws (9) are symmetrically distributed on two sides of the mounting seat (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220586311.0U CN216867304U (en) | 2022-03-17 | 2022-03-17 | Linear bearing with pre-tightening and clearance eliminating functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220586311.0U CN216867304U (en) | 2022-03-17 | 2022-03-17 | Linear bearing with pre-tightening and clearance eliminating functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216867304U true CN216867304U (en) | 2022-07-01 |
Family
ID=82123903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220586311.0U Expired - Fee Related CN216867304U (en) | 2022-03-17 | 2022-03-17 | Linear bearing with pre-tightening and clearance eliminating functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216867304U (en) |
-
2022
- 2022-03-17 CN CN202220586311.0U patent/CN216867304U/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 |
Granted publication date: 20220701 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |