CN219774746U - Speed reducer with bearing locking structure - Google Patents
Speed reducer with bearing locking structure Download PDFInfo
- Publication number
- CN219774746U CN219774746U CN202321073582.7U CN202321073582U CN219774746U CN 219774746 U CN219774746 U CN 219774746U CN 202321073582 U CN202321073582 U CN 202321073582U CN 219774746 U CN219774746 U CN 219774746U
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- China
- Prior art keywords
- bearing
- ring
- shaft
- locking ring
- cover
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- General Details Of Gearings (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
The utility model discloses a speed reducer with a bearing locking structure, which comprises: the novel automatic box comprises an upper box cover, a lower box cover, an output assembly and an input assembly, wherein the upper box cover is fixedly connected with the lower box cover, the output assembly and the input assembly are located inside the upper box cover and the lower box cover, the output assembly comprises an output shaft, a shaft cover, a bearing outer ring, a sealing ring, a bearing inner ring, a right locking ring, a left locking ring, a right notch, a left notch, a small bolt, a large bolt and an output gear, the shaft cover is movably connected to the circumferential surface of the output shaft, the bearing outer ring is movably connected to the inside of the shaft cover, and the sealing ring is movably connected to the inside of the shaft cover. Through the structure, the left locking ring and the right locking ring are arranged inside the bearing inner ring, so that the shaft and the bearing are indirectly and movably connected, the left locking ring and the right locking ring are in interference fit with the shaft and the bearing, the structures of the shaft and the bearing are not damaged, and the force can be completely conducted out.
Description
Technical Field
The utility model relates to the technical field of bearings, in particular to a speed reducer with a bearing locking structure.
Background
Bearings are an important component in contemporary mechanical devices. Its main function is to support the mechanical rotator, reduce the friction coefficient in the course of its movement and ensure its rotation accuracy.
The existing bearing locking structure adopts screw thread locking more, holes are needed to be drilled on a shaft or a bearing, the drilling difficulty coefficient on the bearing is high, the structure of the bearing is also damaged, the screw thread locking mode is too dead plate, the problems of screw thread locking, screw thread failure, insufficient locking force and the like are easy to occur, and the problems of slipping and the like are easy to occur due to radial deviation of the shaft; when dismantling, current locking structure also is direct counter shaft or bearing application external force, and violently dismantle, causes axle or bearing to damage easily.
Disclosure of Invention
The utility model provides the speed reducer with the bearing locking structure, which can lock the bearing under the condition of not changing the structures of the shaft and the bearing, prolongs the service life of the bearing, and has a certain limiting effect on the radial deflection of the shaft by the design of the double locking rings, so that the shaft and the bearing are prevented from being damaged due to rigid friction caused by the problems of slipping and the like, and the speed reducer is easier to disassemble and cannot damage the shaft and the bearing.
To achieve the above object, there is provided a speed reducer having a bearing locking structure, comprising: the box comprises a box upper cover, a box lower cover, an output assembly and an input assembly;
the box upper cover is fixedly connected with the box lower cover through screws, and the output assembly and the input assembly are positioned in the box upper cover and the box lower cover;
the output assembly comprises an output shaft, a shaft cover, a bearing outer ring, a sealing ring, a bearing inner ring, a right locking ring, a left locking ring, a right notch, a left notch, a small bolt, a large bolt and an output gear, wherein the shaft cover is movably connected to the circumferential surface of the output shaft, the bearing outer ring is movably connected to the inside of the shaft cover, the sealing ring is movably connected to the inside of the shaft cover, the bearing inner ring is positioned in the bearing outer ring, the right locking ring and the left locking ring are movably connected to the inside of the bearing inner ring, the right notch is formed in the right locking ring, the left notch is formed in the left locking ring, the right notch and the left notch are asymmetrically arranged, the right locking ring and the left locking ring are fixedly connected through the small bolt, the right locking ring and the left locking ring are movably connected to the output shaft, and one end, far away from the shaft cover, of the circumferential surface of the output shaft is fixedly connected with the output gear;
the input assembly is positioned in front of the output assembly, the internal structure of the input assembly is completely consistent with that of the output assembly, and the input gear of the input assembly is meshed with the output gear.
According to the speed reducer with the bearing locking structure, the number of the shaft covers is two, and the shaft covers are positioned on the left side and the right side of the bearing outer ring.
According to the speed reducer with the bearing locking structure, the number of the sealing rings is two, and the sealing rings are positioned between the shaft cover and the bearing outer ring.
According to the speed reducer with the bearing locking structure, three small bolts are arranged, and the small bolts are circumferentially distributed on the right locking ring and the left locking ring.
According to the speed reducer with the bearing locking structure, the outer circumferential surfaces of the right locking ring and the left locking ring are in interference fit with the inner wall of the bearing inner ring, and the inner circumferential surfaces of the right locking ring and the left locking ring are in interference fit with the output shaft.
According to the speed reducer with the bearing locking structure, a plurality of large bolts are arranged, and the shaft cover, the box upper cover and the box lower cover are fixedly connected.
The utility model has the beneficial effects that:
1. the left locking ring and the right locking ring are arranged inside the bearing inner ring, so that the shaft and the bearing are indirectly and movably connected, the left locking ring and the right locking ring are in interference fit with the shaft and the bearing, the structure of the shaft and the bearing is not damaged, the force can be completely conducted out, the radial deflection of the shaft is also limited by the design of the double locking structure, and the shaft and the bearing are prevented from being damaged due to rigid friction caused by slipping and other problems.
2. The design of the double locking rings is convenient to detach, external force is not required to be directly applied to the shaft or the bearing, and only the left locking ring and the right locking ring are required to be loosened.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further illustrated by the following figures and examples;
FIG. 1 is a top view of a speed reducer with a bearing locking structure according to the present utility model;
FIG. 2 is a sectional view showing a part of the structure of an output end of a speed reducer with a bearing locking structure according to the present utility model;
FIG. 3 is a schematic view of a locking ring of a speed reducer with a bearing locking structure according to the present utility model;
FIG. 4 is a schematic view showing an internal structure of a speed reducer with a bearing locking structure according to the present utility model;
fig. 5 is a sectional view showing the structure of an input end portion of a speed reducer having a bearing locking structure according to the present utility model.
Legend description:
1. a box upper cover; 2. a case lower cover; 3. an output assembly; 4. an input assembly;
301. an output shaft; 302. a shaft cover; 303. a bearing outer ring; 304. a seal ring; 305. a bearing inner ring; 306. a right locking ring; 307. a left locking ring; 308. a right notch; 309. a left notch; 310. a small bolt; 311. a large bolt; 312. an output gear.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1 to 5, a speed reducer with a bearing locking structure according to an embodiment of the present utility model includes: an upper case cover 1, a lower case cover 2, an output assembly 3 and an input assembly 4;
the box upper cover 1 is fixedly connected with the box lower cover 2 through screws, and the output assembly 3 and the input assembly 4 are positioned in the box upper cover 1 and the box lower cover 2;
the output assembly 3 comprises an output shaft 301, a shaft cover 302, a bearing outer ring 303, sealing rings 304, a bearing inner ring 305, a right locking ring 306, a left locking ring 307, a right notch 308, a left notch 309, a small bolt 310, a large bolt 311 and an output gear 312, wherein the shaft cover 302 is movably connected to the circumferential surface of the output shaft 301, the bearing outer ring 303 is movably connected to the inside of the shaft cover 302, the sealing rings 304 are movably connected to the inside of the shaft cover 302, the number of the shaft covers 302 is two, the shaft covers are positioned on the left side and the right side of the bearing outer ring 303, the number of the sealing rings 304 is two, the shaft covers 302 and the bearing outer ring 303 are positioned, and the bearing inner ring 305 is positioned inside the bearing outer ring 303.
The inside swing joint of bearing inner race 305 has right locking ring 306 and left locking ring 307, be provided with right notch 308 on the right locking ring 306, be provided with left notch 309 on the left locking ring 307, right notch 308 is asymmetric with left notch 309, ensure right locking ring 306 and left locking ring 307 can fully with locking in the bearing inside, right locking ring 306 and left locking ring 307 pass through little bolt 310 fixed connection, the inside and output shaft 301 swing joint of right locking ring 306 and left locking ring 307, the outer periphery of right locking ring 306 and left locking ring 307 and the inner wall interference fit of bearing inner race 305, the inner periphery of right locking ring 306 and left locking ring 307 and output shaft 301 interference fit, the one end fixedly connected with output gear 312 that keeps away from lid 302 on the periphery of output shaft 301.
The input assembly 4 is positioned in front of the output assembly 3, the internal structure of the input assembly 4 is completely consistent with that of the output assembly 3, and the input gear of the input assembly 4 is meshed with the output gear 312.
Working principle: the inner circumference of the bearing inner ring 305 is in interference fit with the right locking ring 306 and the left locking ring 307, the inner circumference of the right locking ring 306 and the left locking ring 307 are in interference fit with the output shaft 301, when the output shaft 301 rotates, the right locking ring 306 and the left locking ring 307 are driven to rotate in the same direction, when the output shaft 301 deflects radially, the inner circumference of the right locking ring 306 and the left locking ring 307 can receive different forces, the radial forces can be transferred due to the fact that the right notch 308 and the left notch 309 are arranged on the right locking ring 306 and the left locking ring 307, the protection shaft and the bearing cannot be directly and rigidly connected to be damaged, and due to the fact that the right notch 308 and the left notch 309 are not in the same direction, the right locking ring 306 and the left locking ring 307 are driven to rotate in the same direction, the bearing inner circumference of the bearing inner ring 305 is driven to rotate in the same direction, when the shaft or the bearing is required to be overhauled and replaced, external forces are only required to be released, and the shaft and the bearing can be overhauled easily after being taken out.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (6)
1. A speed reducer having a bearing locking structure, comprising: the box comprises a box upper cover (1), a box lower cover (2), an output assembly (3) and an input assembly (4);
the box upper cover (1) is fixedly connected with the box lower cover (2) through screws, and the output assembly (3) and the input assembly (4) are positioned in the box upper cover (1) and the box lower cover (2);
the output assembly (3) comprises an output shaft (301), an axle cover (302), a bearing outer ring (303), a sealing ring (304), a bearing inner ring (305), a right locking ring (306), a left locking ring (307), a right notch (308), a left notch (309), a small bolt (310), a large bolt (311) and an output gear (312), wherein the axle cover (302) is movably connected to the circumferential surface of the output shaft (301), the bearing outer ring (303) is movably connected to the inside of the axle cover (302), the sealing ring (304) is movably connected to the inside of the axle cover (302), the bearing inner ring (305) is positioned in the bearing outer ring (303), the right locking ring (306) and the left locking ring (307) are movably connected to the inside of the bearing inner ring (305), the right notch (308) is arranged on the right locking ring (306), the left locking ring (307) is provided with a left notch (309), the right notch (308) and the left notch (309) are asymmetrically arranged, the right locking ring (306) and the left locking ring (307) are fixedly connected to the inside of the output shaft (301) through the small bolt (310), an output gear (312) is fixedly connected to one end, far away from the shaft cover (302), of the circumferential surface of the output shaft (301);
the input assembly (4) is positioned in front of the output assembly (3), the internal structure of the input assembly (4) is completely consistent with that of the output assembly (3), and an input gear of the input assembly (4) is meshed with the output gear (312).
2. The speed reducer with the bearing locking structure according to claim 1, wherein the number of the shaft covers (302) is two, and the shaft covers are positioned on the left side and the right side of the bearing outer ring (303).
3. A reducer with a bearing locking structure according to claim 1, characterized in that the number of sealing rings (304) is two and is located between the shaft cover (302) and the bearing outer ring (303).
4. A reducer with a bearing locking structure according to claim 1, characterized in that the number of the small bolts (310) is three and circumferentially distributed on the right locking ring (306) and the left locking ring (307).
5. The speed reducer with the bearing locking structure according to claim 1, wherein the outer circumferential surfaces of the right locking ring (306) and the left locking ring (307) are in interference fit with the inner wall of the bearing inner ring (305), and the inner circumferential surfaces of the right locking ring (306) and the left locking ring (307) are in interference fit with the output shaft (301).
6. The speed reducer with the bearing locking structure according to claim 1, wherein a plurality of large bolts (311) are provided and fixedly connect the shaft cover (302), the box upper cover (1) and the box lower cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321073582.7U CN219774746U (en) | 2023-05-06 | 2023-05-06 | Speed reducer with bearing locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321073582.7U CN219774746U (en) | 2023-05-06 | 2023-05-06 | Speed reducer with bearing locking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219774746U true CN219774746U (en) | 2023-09-29 |
Family
ID=88105076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321073582.7U Active CN219774746U (en) | 2023-05-06 | 2023-05-06 | Speed reducer with bearing locking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219774746U (en) |
-
2023
- 2023-05-06 CN CN202321073582.7U patent/CN219774746U/en active Active
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