CN115967219B - Multi-bearing mounting structure for vibration motor - Google Patents
Multi-bearing mounting structure for vibration motor Download PDFInfo
- Publication number
- CN115967219B CN115967219B CN202210963787.6A CN202210963787A CN115967219B CN 115967219 B CN115967219 B CN 115967219B CN 202210963787 A CN202210963787 A CN 202210963787A CN 115967219 B CN115967219 B CN 115967219B
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- cover
- rotating shaft
- hole
- bearing
- ball bearing
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- 230000001681 protective effect Effects 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 12
- 239000003921 oil Substances 0.000 description 24
- 238000000034 method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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- Motor Or Generator Frames (AREA)
- Support Of The Bearing (AREA)
Abstract
The invention relates to a multi-bearing mounting structure for a vibration motor, which comprises a casing and a rotating shaft, wherein the two ends of the casing are respectively provided with a front end cover and a rear end cover, the rotating shaft is rotatably arranged in the casing, the front end and the rear end of the rotating shaft are respectively rotatably sleeved on the front end cover and the rear end cover, the end parts of the rotating shaft extend out of the end covers and are fixedly provided with eccentric blocks, the outer sides of the front end cover and the rear end cover are respectively provided with a protective cover, the middle parts of the front end cover and the rear end cover are respectively provided with roller bearings, the two roller bearings are respectively sleeved on the rotating shaft, the inner side and the outer side of the rear end cover are respectively provided with a rear inner oil cover and a rear outer oil cover, and the middle part of the rear inner oil cover is provided with a deep groove ball bearing which is sleeved on the rotating shaft. The invention aims to solve or at least reduce the problem of the inclined installation and use of a vibration motor and provides a multi-bearing installation structure for the vibration motor.
Description
Technical Field
The invention relates to the technical field of vibration motors, in particular to a multi-bearing mounting structure for a vibration motor.
Background
The existing vibration motor uses the bearing as the cylindrical roller bearing, when motor installation direction angle is less than 15 degrees with the horizontal plane angle, uses and has no problem, when the angle is greater than 15 degrees, cylindrical roller axle bears axial force and increases, and in the operation process, the noise is great, generates heat, and lower extreme bearing is extremely fragile, and then leads to the motor to generate heat and burn out the winding. Lubricating oil in the bearing runs off in the vertical installation, and dust is easy to enter in a dust environment to damage the bearing.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, solve or at least reduce the problems of the inclined installation and use of a vibration motor, and provide a multi-bearing installation structure for the vibration motor.
The invention is realized by the following technical scheme:
The utility model provides a multiaxis holds mounting structure for vibrating motor, vibrating motor includes casing and pivot, the casing both ends are provided with front end housing and rear end housing respectively, the pivot rotates and sets up in the casing, and both ends rotate respectively around the pivot and overlap in front end housing and rear end housing, and the pivot tip stretches out the end housing and fixedly is provided with the eccentric block, front end housing and rear end housing outside all are provided with the protection casing, front end housing and rear end housing middle part all are provided with roller bearing, two roller bearing all overlap in the pivot;
The inner side and the outer side of the rear end cover are respectively provided with a rear inner oil cover and a rear outer oil cover, the middle of the rear inner oil cover is provided with a deep groove ball bearing, and the deep groove ball bearing is sleeved on the rotating shaft.
In order to further realize the invention, the following technical scheme can be preferably selected:
preferably, an annular oil cavity is formed in one side, facing the roller bearing, of the rear outer oil cover, and the position of the oil cavity is correspondingly arranged with the position of a gap between the inner ring and the outer ring of the roller bearing.
Preferably, the middle part of the inner side of the inner ring of the rear outer oil cover is provided with an annular partition plate, the inner diameter value of the partition plate is larger than the outer diameter value of the rotating shaft, and the inner side and the outer side of the partition plate are respectively provided with an oil seal and a shaft seal.
Preferably, the middle part of the rear inner oil cover is provided with a stepped hole, the stepped hole comprises an inner hole, a middle hole and an outer hole which are sequentially arranged from inside to outside, the diameter values of the inner hole, the middle hole and the outer hole are sequentially increased, the deep groove ball bearing is arranged in the middle hole, and a gap between the inner ring and the outer ring of the deep groove ball bearing is communicated with a gap between the inner ring and the outer ring of the roller bearing.
Preferably, a shaft sleeve is arranged between the inner hole and the rotating shaft, and the inner side of the circumference of the shaft sleeve is in interference fit with the rotating shaft, and the outer side of the circumference of the shaft sleeve is in rotary fit with the inner hole.
Preferably, the outer hole is internally provided with an inner retaining sleeve and an outer retaining sleeve, the inner retaining ring is in interference fit with the rotating shaft, the outer diameter value of the inner retaining ring is not larger than the outer diameter value of the inner ring of the deep groove ball bearing, the outer retaining ring is in interference fit with the outer hole, and the inner diameter value of the outer retaining ring is not smaller than the inner diameter value of the outer ring of the deep groove ball bearing.
Preferably, a lifting mechanism is arranged between the end part of the rotating shaft and the protective cover, the lifting mechanism comprises a one-way thrust ball bearing and a spring, a shaft collar of the one-way thrust ball bearing is fixedly sleeved at the end part of the rotating shaft, the spring and the rotating shaft are coaxially arranged, and two ends of the spring respectively support against a seat ring of the one-way thrust ball bearing and the protective cover.
Preferably, the end part of the rotating shaft extends out of the seat ring of the unidirectional thrust ball bearing, and the diameter value of the end part of the rotating shaft is smaller than the inner diameter value of the seat ring of the unidirectional thrust ball bearing.
Preferably, the lifting mechanism further comprises an inner mounting seat and an outer mounting seat, a groove is formed in one side, facing the rotating shaft, of the inner mounting seat, the seat ring of the one-way thrust ball bearing is fixedly embedded in the groove, a mounting hole is formed in the end portion of the protective cover, and the outer mounting seat is detachably mounted at the mounting hole of the protective cover;
The spring is located between the inner mounting seat and the outer mounting seat, and two ends of the spring are fixedly connected with the inner mounting seat and the outer mounting seat respectively.
Preferably, the protective cover comprises an inner cover and an outer cover, wherein the inner side of the inner cover is detachably connected with the front end cover or the rear end cover, the inner side of the outer cover and the outer side of the inner cover are arranged in a sliding mode along the length direction of the rotating shaft, and mounting holes are formed in the end portions of the outer side of the outer cover.
Through the technical scheme, the invention has the beneficial effects that:
The conventional check for avoiding axial force only improves the specification of the bearing, and no better method exists, so that the specification of a single bearing is increased, the cost is increased too much, and the universality is not realized. The invention increases a set of bearings to share the axial force during vertical installation, protects the working bearings, prolongs the service time and prolongs the service life of the bearings. And the vibration motor is not affected by the installation angle of the motor, so that the bearing is fully protected, and the product quality is improved.
The invention is also provided with a lifting mechanism which is arranged between the rotating shaft and the protective cover positioned at the lower end when the vibrating motor is longitudinally installed, so as to lift the rotating shaft, ensure that the rotating shaft rotates more stably, and adjust the relative positions of the inner cover and the outer cover so as to change the elasticity of the spring, thereby matching the lifting force of the lifting mechanism with the axial force of the rotating shaft and counteracting each other.
Drawings
FIG. 1 is a cross-sectional view of the structure of the present invention;
FIG. 2 is an enlarged view of the invention at A in FIG. 1;
FIG. 3 is an enlarged view of the invention at B in FIG. 1;
FIG. 4 is a structural cross-sectional view of the rear inner oil cover of the present invention;
FIG. 5 is a structural cross-sectional view of the rear outer oil cover of the present invention;
wherein: 1-a shell; 2-rotating shaft; 3-front end cap; 4-a rear end cover; 5-eccentric blocks; 6, a protective cover; 7-a rear inner oil cover; 8-a rear outer oil cover; 9-roller bearings; 10-deep groove ball bearings; 11-oil seal; 12-shaft seal; 13-shaft sleeve; 14-an inner retaining sleeve; 15-an outer sleeve; 16-one-way thrust ball bearing; 17-a spring; 18-an inner mount; 19-outer mount.
Detailed Description
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1:
As shown in fig. 1-5, a multi-bearing mounting structure for a vibration motor, the vibration motor comprises a casing 1 and a rotating shaft 2, wherein a front end cover 3 and a rear end cover 4 are respectively arranged at two ends of the casing 1, the rotating shaft 2 is rotatably arranged in the casing 1, the front end and the rear end of the rotating shaft 2 are respectively rotatably sleeved on the front end cover 3 and the rear end cover 4, the end part of the rotating shaft 2 extends out of the end covers and is fixedly provided with an eccentric block 5, protective covers 6 are respectively arranged at the outer sides of the front end cover 3 and the rear end cover 4, roller bearings 9 are respectively arranged at the middle parts of the front end cover 3 and the rear end cover 4, and the two roller bearings 9 are respectively sleeved on the rotating shaft 2;
the inner side and the outer side of the rear end cover 4 are respectively provided with a rear inner oil cover 7 and a rear outer oil cover 8, the middle part of the rear inner oil cover 7 is provided with a deep groove ball bearing 10, and the deep groove ball bearing 10 is sleeved on the rotating shaft 2.
In order to optimize the product structure, an annular oil cavity is arranged on one side of the rear outer oil cover 8 facing the roller bearing 9, and the position of the oil cavity is correspondingly arranged with the gap position between the inner ring and the outer ring of the roller bearing 9.
In order to ensure the sealing performance, an annular partition plate is arranged in the middle of the inner side of the inner ring of the rear outer oil cover 8, the inner diameter value of the partition plate is larger than the outer diameter value of the rotating shaft 2, and an oil seal 11 and a shaft seal 12 are respectively arranged on the inner side and the outer side of the partition plate.
Further optimize product structure, back inner oil lid 7 middle part is provided with the shoulder hole, the shoulder hole includes from interior hole, mesopore and the outer hole that outwards set gradually, hole, mesopore and the diameter value in outer hole increase gradually, deep groove ball bearing 10 installs in the mesopore, clearance between the inner circle of deep groove ball bearing 10 and the outer lane and the clearance intercommunication between roller bearing 9 inner circle and the outer lane are provided with axle sleeve 13 between hole and the pivot 2, the circumference inboard of axle sleeve 13 and pivot 2 interference fit, circumference outside and hole rotation overlap.
In order to enable the oil paths of the deep groove ball bearing 10 and the adjacent roller bearings 9 to be communicated with each other, an inner retaining sleeve 14 and an outer retaining sleeve 15 are arranged in the outer hole, the inner retaining ring is in interference fit with the rotating shaft 2, the outer diameter value of the inner retaining ring is not larger than the outer diameter value of the inner ring of the deep groove ball bearing 10, the outer retaining ring is in interference fit with the outer hole, and the inner diameter value of the outer retaining ring is not smaller than the inner diameter value of the outer ring of the deep groove ball bearing 10.
In order to further reduce the axial force during the longitudinal installation of the vibration motor, a lifting mechanism is arranged between the end part of the rotating shaft 2 and the protective cover 6, the lifting mechanism comprises a one-way thrust ball bearing 16 and a spring 17, the shaft collar of the one-way thrust ball bearing 16 is fixedly sleeved on the end part of the rotating shaft 2, the spring 17 and the rotating shaft 2 are coaxially arranged, and two ends of the spring 17 respectively abut against the seat ring of the one-way thrust ball bearing 16 and the protective cover 6.
In order to facilitate the installation of the lifting mechanism, the end part of the rotating shaft 2 extends out of the seat ring of the unidirectional thrust ball bearing 16, the diameter value of the end part of the rotating shaft 2 is smaller than the inner diameter value of the seat ring of the unidirectional thrust ball bearing 16, the lifting mechanism further comprises an inner mounting seat 18 and an outer mounting seat 19, a groove is formed in one side of the inner mounting seat 18 facing the rotating shaft 2, the seat ring of the unidirectional thrust ball bearing 16 is fixedly embedded in the groove, a mounting hole is formed in the end part of the protective cover 6, and the outer mounting seat 19 is detachably arranged at the mounting hole of the protective cover 6;
the spring 17 is located between the inner mounting seat 18 and the outer mounting seat 19, and two ends of the spring 17 are fixedly connected with the inner mounting seat 18 and the outer mounting seat 19 respectively.
In order to adjust the elastic force of the spring 17 so that the lifting force of the lifting mechanism and the axial force of the rotating shaft 2 are offset, the protective cover 6 comprises an inner cover and an outer cover, the inner side of the inner cover is detachably connected with the front end cover 3 or the rear end cover 4, the inner side of the outer cover and the outer side of the inner cover are slidably arranged along the length direction of the rotating shaft 2, and the end part of the outer side of the outer cover is provided with a mounting hole.
The conventional check for avoiding axial force only improves the specification of the bearing, and no better method exists, so that the specification of a single bearing is increased, the cost is increased too much, and the universality is not realized. The invention increases a set of bearings to share the axial force during vertical installation, protects the working bearings, prolongs the service time and prolongs the service life of the bearings. And the vibration motor is not affected by the installation angle of the motor, so that the bearing is fully protected, and the product quality is improved.
The invention is also provided with a lifting mechanism which is arranged between the rotating shaft 2 and the protective cover 6 positioned at the lower end when the vibrating motor is longitudinally installed, so as to lift the rotating shaft 2, ensure that the rotating shaft 2 rotates more stably, and adjust the relative positions of the inner cover and the outer cover so as to change the elasticity of the spring 17, thereby matching the lifting force of the lifting mechanism with the axial force of the rotating shaft 2 and counteracting each other.
Finally, it should be noted that: the foregoing description of the preferred embodiments of the present invention is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present invention can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (7)
1. The utility model provides a multiaxis holds mounting structure for vibrating motor, vibrating motor includes casing (1) and pivot (2), casing (1) both ends are provided with front end housing (3) and rear end housing (4) respectively, pivot (2) rotate and set up in casing (1), both ends rotate respectively around pivot (2) and overlap in front end housing (3) and rear end housing (4), pivot (2) tip stretches out the end housing and fixedly is provided with eccentric block (5), front end housing (3) and rear end housing (4) outside all are provided with protection casing (6), a serial communication port, front end housing (3) and rear end housing (4) middle part all are provided with roller bearing (9), two roller bearing (9) all overlap in pivot (2);
A rear inner oil cover (7) and a rear outer oil cover (8) are respectively arranged at the inner side and the outer side of the rear end cover (4), a deep groove ball bearing (10) is arranged in the middle of the rear inner oil cover (7), and the deep groove ball bearing (10) is sleeved on the rotating shaft (2);
a lifting mechanism is arranged between the end part of the rotating shaft (2) and the protective cover (6), the lifting mechanism comprises a one-way thrust ball bearing (16) and a spring (17), a shaft collar of the one-way thrust ball bearing (16) is fixedly sleeved on the end part of the rotating shaft (2), the spring (17) and the rotating shaft (2) are coaxially arranged, and two ends of the spring (17) respectively prop against a seat ring of the one-way thrust ball bearing (16) and the protective cover (6);
the lifting mechanism further comprises an inner mounting seat (18) and an outer mounting seat (19), a groove is formed in one side, facing the rotating shaft (2), of the inner mounting seat (18), a seat ring of the unidirectional thrust ball bearing (16) is fixedly embedded in the groove, a mounting hole is formed in the end portion of the protective cover (6), and the outer mounting seat (19) is detachably mounted at the mounting hole of the protective cover (6);
the spring (17) is positioned between the inner mounting seat (18) and the outer mounting seat (19), and two ends of the spring (17) are fixedly connected with the inner mounting seat (18) and the outer mounting seat (19) respectively;
The protective cover (6) comprises an inner cover and an outer cover, wherein the inner side of the inner cover is detachably connected with the front end cover (3) or the rear end cover (4), the inner side of the outer cover and the outer side of the inner cover are arranged in a sliding mode along the length direction of the rotating shaft (2), and mounting holes are formed in the end portion of the outer side of the outer cover.
2. The multi-bearing mounting structure for a vibration motor according to claim 1, wherein the rear outer oil cover (8) is provided with an annular oil chamber on a side facing the roller bearing (9), and the oil chamber position is provided corresponding to a gap position between an inner ring and an outer ring of the roller bearing (9).
3. The multi-bearing mounting structure for a vibration motor according to any one of claims 1 or 2, wherein an annular partition plate is provided in the middle of the inner side of the inner ring of the rear outer oil cover (8), the inner diameter of the partition plate is larger than the outer diameter of the rotating shaft (2), and an oil seal (11) and a shaft seal (12) are provided on the inner side and the outer side of the partition plate respectively.
4. The multi-bearing mounting structure for the vibration motor according to claim 1, wherein a stepped hole is formed in the middle of the rear inner oil cover (7), the stepped hole comprises an inner hole, a middle hole and an outer hole which are sequentially formed from inside to outside, diameter values of the inner hole, the middle hole and the outer hole are sequentially increased, the deep groove ball bearing (10) is mounted in the middle hole, and a gap between an inner ring and an outer ring of the deep groove ball bearing (10) is communicated with a gap between an inner ring and an outer ring of the roller bearing (9).
5. The multi-bearing mounting structure for a vibration motor according to claim 4, wherein a shaft sleeve (13) is provided between the inner hole and the rotating shaft (2), and the inner circumference side of the shaft sleeve (13) is in interference fit with the rotating shaft (2) and the outer circumference side is in rotary fit with the inner hole.
6. The multi-bearing mounting structure for the vibration motor according to any one of claims 4 or 5, wherein an inner retaining sleeve (14) and an outer retaining sleeve (15) are arranged in the outer hole, the inner retaining sleeve is in interference fit with the rotating shaft (2), the outer diameter value of the inner retaining sleeve is not larger than the outer diameter value of the inner ring of the deep groove ball bearing (10), the outer retaining sleeve is in interference fit with the outer hole, and the inner diameter value of the outer retaining sleeve is not smaller than the inner diameter value of the outer ring of the deep groove ball bearing (10).
7. The multi-bearing mounting structure for a vibration motor according to claim 1, wherein the end portion of the rotating shaft (2) protrudes out of the race of the one-way thrust ball bearing (16), and the diameter value of the end portion of the rotating shaft (2) is smaller than the inner diameter value of the race of the one-way thrust ball bearing (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210963787.6A CN115967219B (en) | 2022-08-11 | 2022-08-11 | Multi-bearing mounting structure for vibration motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210963787.6A CN115967219B (en) | 2022-08-11 | 2022-08-11 | Multi-bearing mounting structure for vibration motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115967219A CN115967219A (en) | 2023-04-14 |
| CN115967219B true CN115967219B (en) | 2024-04-23 |
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ID=87360538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210963787.6A Active CN115967219B (en) | 2022-08-11 | 2022-08-11 | Multi-bearing mounting structure for vibration motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115967219B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204749748U (en) * | 2015-05-27 | 2015-11-11 | 徐工集团工程机械股份有限公司 | Axle and wheel reduction's semi -axis stop device |
| CN105186763A (en) * | 2015-10-15 | 2015-12-23 | 苏州萨伯工业设计有限公司 | Motor bearing structure |
| KR20170058479A (en) * | 2015-11-18 | 2017-05-29 | 현대 파워텍 주식회사 | Device for thrust bearing |
| CN114614613A (en) * | 2022-03-31 | 2022-06-10 | 河南豫通电机股份公司 | Special high-efficient explosion-proof vibrating motor in colliery |
-
2022
- 2022-08-11 CN CN202210963787.6A patent/CN115967219B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204749748U (en) * | 2015-05-27 | 2015-11-11 | 徐工集团工程机械股份有限公司 | Axle and wheel reduction's semi -axis stop device |
| CN105186763A (en) * | 2015-10-15 | 2015-12-23 | 苏州萨伯工业设计有限公司 | Motor bearing structure |
| KR20170058479A (en) * | 2015-11-18 | 2017-05-29 | 현대 파워텍 주식회사 | Device for thrust bearing |
| CN114614613A (en) * | 2022-03-31 | 2022-06-10 | 河南豫通电机股份公司 | Special high-efficient explosion-proof vibrating motor in colliery |
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| Publication number | Publication date |
|---|---|
| CN115967219A (en) | 2023-04-14 |
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