CN220227582U - Cross axle type coupling - Google Patents
Cross axle type coupling Download PDFInfo
- Publication number
- CN220227582U CN220227582U CN202320572818.5U CN202320572818U CN220227582U CN 220227582 U CN220227582 U CN 220227582U CN 202320572818 U CN202320572818 U CN 202320572818U CN 220227582 U CN220227582 U CN 220227582U
- Authority
- CN
- China
- Prior art keywords
- cross
- bearing sleeve
- cross shaft
- shaft
- universal joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000008878 coupling Effects 0.000 title claims description 12
- 238000010168 coupling process Methods 0.000 title claims description 12
- 238000005859 coupling reaction Methods 0.000 title claims description 12
- 239000010687 lubricating oil Substances 0.000 claims description 21
- 239000003921 oil Substances 0.000 claims description 11
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses a cross shaft type coupler, which comprises a connecting shaft body; the two ends of the connecting shaft body are connected with universal joints and cross shafts arranged in the universal joints, and the cross shafts are provided with four cross shaft cores which extend outwards from inside to outside along the cross direction; the bearing sleeve is rotatably connected with the cross shaft core, and the bearing sleeve is fixedly connected with the universal joint; the universal joints at the two ends of the connecting shaft body are mutually perpendicular; the bearing sleeve connected by the cross shaft replaces conventional spline connection, so that the connection strength between the shaft coupler and the rotating shaft is effectively improved, and the service life of equipment is prolonged.
Description
Technical Field
The utility model belongs to the technical field of universal couplings, and particularly relates to an Oldham coupling.
Background
The universal shaft is arranged between the engine transmission shaft and the driven shaft of the mechanical equipment, and because the installation space is compact and narrow and the lubrication points of the spline parts are covered by other mechanisms, the daily inspection maintenance work is difficult to carry out, and the damage to the coupler is quite large when the equipment is operated. The spline pair of the universal shaft running at high speed also moves at high speed, and if the abrasion of the spline pair is not sufficiently lubricated, the abrasion can be very large, so that the vibration of the whole universal shaft is caused, and the service life of the engine is influenced. The transmission device used in the prior art is limited by space position, the shaft diameter of the spline part is smaller, the daily use strength is limited, and meanwhile, the arrangement space is narrower, so that the daily oiling maintenance is inconvenient.
Disclosure of Invention
The utility model mainly solves the technical problem of providing an Oldham coupling.
In order to solve the technical problems, the utility model adopts a technical scheme that:
an Oldham coupling comprising a connecting shaft body;
the two ends of the connecting shaft body are connected with universal joints and cross shafts arranged in the universal joints, and the cross shafts are provided with four cross shaft cores which extend outwards from inside to outside along the cross direction;
the universal joint is rotationally connected with two opposite cross shaft cores of the single cross shaft around the axis of the cross shaft core, a bearing sleeve is arranged at the joint of the universal joint and the cross shaft cores, the bearing sleeve is rotationally connected with the cross shaft cores, and the bearing sleeve is fixedly connected with the universal joint;
the universal joints at two ends of the connecting shaft body are mutually perpendicular.
Preferably, the joint end of the universal joint and the cross shaft is provided with a mounting seat for mounting the bearing sleeve, and the joint end of the universal joint is provided with an avoiding part for avoiding the bearing sleeve at the position perpendicular to the joint end of the cross shaft.
Preferably, the bearing sleeve is fixedly connected with the mounting seat through a fastening screw.
Preferably, an axle center is arranged at the center of the cross axle, and an oil valve core for lubricating oil to pass in is arranged at the axle center.
Preferably, all the cross axle cores penetrate through a lubricating oil flow channel along the axial direction, and two ends of the lubricating oil flow channel are respectively communicated with the oil valve cores and the bearing sleeves.
Preferably, all of the lubricating oil flow channels communicate with each other.
The beneficial technical effects of the utility model are as follows:
1. according to the utility model, through the universal joint with both ends of the connecting shaft body and the cross shaft arranged in the universal joint, the cross shaft is provided with four cross shaft cores extending outwards from inside to outside along the cross direction; the bearing sleeve is rotatably connected with the cross shaft core, and the bearing sleeve is fixedly connected with the universal joint; the bearing sleeve connected by the cross shaft replaces conventional spline connection, so that the connection strength between the shaft coupler and the rotating shaft is effectively improved, and the service life of equipment is prolonged.
2. According to the utility model, the universal joint is connected with the mounting seat arranged at the end of the cross shaft and used for mounting the bearing sleeve, and the avoiding part is arranged at the vertical position of the end of the cross shaft of the universal joint and used for avoiding the bearing sleeve, so that the angle adjusting range between the coupler and the transmission shaft is enlarged, the application range of the coupler is further improved, and the practicability of the device is increased.
3. According to the utility model, the oil valve core for lubricating oil to flow in is arranged at the center of the cross shaft, and the lubricating oil flow channels penetrating through all the cross shaft cores along the axial direction are respectively communicated with the oil valve core and the bearing sleeve at two ends of the lubricating oil flow channels, so that the lubricating oil is filled between the bearing sleeve and the cross shaft core, the friction loss between the bearing sleeve and the cross shaft core is reduced, the damage of equipment caused by long-time friction is prevented, and the service life of the equipment is prolonged.
Drawings
FIG. 1 is a schematic view of the structure of the coupling of the present utility model;
FIG. 2 is a schematic view of a cross-shaft configuration of the present utility model;
the parts in the drawings are marked as follows:
1. the connecting shaft comprises a connecting shaft body, 2, a universal joint, 3, a cross shaft, 4, a bearing sleeve, 5, a mounting seat, 6, an avoidance part, 7, a fastening screw, 8, an axle center, 9, a cross shaft core, 10, a lubricating oil flow channel, 11 and an oil valve core.
Detailed Description
In order that the manner in which the above recited features of the present utility model are attained and can be understood in detail, a more particular description of the utility model, briefly summarized below, may be had by reference to the appended drawings and examples, which are illustrated in their embodiments, but are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, or detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The embodiment discloses an Oldham coupling in detail, which comprises a connecting shaft body 1;
the two ends of the connecting shaft body are connected with a universal joint 2 and a cross shaft 3 arranged in the universal joint, and the cross shaft is provided with four cross shaft cores 9 extending from inside to outside along the cross direction;
the universal joint is rotationally connected with two opposite cross shaft cores of the single cross shaft around the axis thereof, a bearing sleeve 4 is arranged at the joint of the universal joint and the cross shaft cores, the bearing sleeve is rotationally connected with the cross shaft cores, and the bearing sleeve is fixedly connected with the universal joint;
the universal joints at two ends of the connecting shaft body are mutually perpendicular.
Further, the joint end of the universal joint and the cross shaft is provided with a mounting seat 5 for mounting the bearing sleeve, and the joint end of the universal joint and the cross shaft are provided with an avoiding part 6 for avoiding the bearing sleeve.
The part of the structure is provided with the mounting seat for mounting the bearing sleeve through the joint end, the joint end of the universal joint is vertical to the joint end of the universal joint, and the avoiding part for avoiding the bearing sleeve is arranged, so that the angle adjusting range between the coupler and the transmission shaft is enlarged, the application range of the coupler is further improved, and the practicability of the device is improved.
Further, the bearing sleeve is fixedly connected with the mounting seat through a fastening screw 7.
Further, an axle center 8 is provided at the center of the cross axle, and an oil valve core 11 for lubricating oil to pass through is provided at the axle center.
Further, all the cross axle cores are penetrated with a lubricating oil flow channel 10 along the axial direction, and two ends of the lubricating oil flow channel are respectively communicated with the oil valve cores and the bearing sleeves.
The oil valve core for lubricating oil to flow in is arranged at the center of the cross shaft, the lubricating oil flow channels penetrating through all the cross shaft cores along the axial direction are respectively communicated with the oil valve core and the bearing sleeve at two ends of the lubricating oil flow channels, so that the bearing sleeve and the cross shaft cores are filled with lubricating oil, friction loss between the bearing sleeve and the cross shaft cores is reduced, equipment damage caused by long-time friction is prevented, and the service life of the equipment is prolonged.
Further, all the lubricating oil flow channels are communicated with each other.
According to the utility model, through the universal joint with both ends of the connecting shaft body and the cross shaft arranged in the universal joint, the cross shaft is provided with four cross shaft cores extending outwards from inside to outside along the cross direction; the bearing sleeve is rotatably connected with the cross shaft core, and the bearing sleeve is fixedly connected with the universal joint; the bearing sleeve connected by the cross shaft replaces conventional spline connection, so that the connection strength between the shaft coupler and the rotating shaft is effectively improved, and the service life of equipment is prolonged.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and it should be noted that it is possible for those skilled in the art to make several improvements and modifications without departing from the technical principle of the present utility model, and these improvements and modifications should also be regarded as the protection scope of the present utility model.
Claims (4)
1. An Oldham coupling, characterized in that: comprises a connecting shaft body;
the two ends of the connecting shaft body are connected with universal joints and cross shafts arranged in the universal joints, and the cross shafts are provided with four cross shaft cores which extend outwards from inside to outside along the cross direction;
the universal joint is rotatably connected with two opposite cross shaft cores of the cross shaft around the axis
The joint is characterized in that a bearing sleeve is arranged at the joint of the universal joint and the cross shaft core, the bearing sleeve is rotationally connected with the cross shaft core, and the bearing sleeve is fixedly connected with the universal joint;
the universal joints at the two ends of the connecting shaft body are mutually perpendicular;
the universal joint is provided with a mounting seat for mounting the bearing sleeve at the connecting end of the cross shaft, and an avoiding part for avoiding the bearing sleeve is arranged at the position, perpendicular to the connecting end of the cross shaft, of the universal joint;
the center position of the cross shaft is provided with an axle center, and the axle center is provided with an oil valve core for lubricating oil to pass in.
2. The Oldham coupling according to claim 1, wherein: the bearing sleeve is fixedly connected with the mounting seat through a fastening screw.
3. The Oldham coupling according to claim 1, wherein: all the cross axle cores penetrate through a lubricating oil flow channel along the axial direction, and two ends of the lubricating oil flow channel are respectively communicated with the oil valve cores and the bearing sleeves.
4. The Oldham coupling according to claim 3, wherein: all the lubricating oil flow channels are mutually communicated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320572818.5U CN220227582U (en) | 2023-03-22 | 2023-03-22 | Cross axle type coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320572818.5U CN220227582U (en) | 2023-03-22 | 2023-03-22 | Cross axle type coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220227582U true CN220227582U (en) | 2023-12-22 |
Family
ID=89171392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320572818.5U Active CN220227582U (en) | 2023-03-22 | 2023-03-22 | Cross axle type coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220227582U (en) |
-
2023
- 2023-03-22 CN CN202320572818.5U patent/CN220227582U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |