CN220581637U - High-speed reliable gear - Google Patents
High-speed reliable gear Download PDFInfo
- Publication number
- CN220581637U CN220581637U CN202321762921.2U CN202321762921U CN220581637U CN 220581637 U CN220581637 U CN 220581637U CN 202321762921 U CN202321762921 U CN 202321762921U CN 220581637 U CN220581637 U CN 220581637U
- Authority
- CN
- China
- Prior art keywords
- shielding cover
- oil
- guide
- inclined plane
- gear
- 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
- 238000005461 lubrication Methods 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 48
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- General Details Of Gearings (AREA)
Abstract
The utility model discloses a high-speed reliable gear, which belongs to the technical field of transmission parts and comprises a body and a radial bearing connected with the body, wherein one side of the body is provided with a plurality of oil guide grooves, the oil guide grooves are positioned between two adjacent teeth, the inner ring of the radial bearing is fixedly connected with a shielding cover, the shielding cover extends to one side of the body provided with the oil guide grooves, and the shielding cover is used for shielding part of the oil guide grooves. The high-speed reliable gear can increase the thickness of an oil film at the tooth of the body, so that the lubrication effect of the gear can be increased.
Description
Technical Field
The utility model relates to the technical field of transmission parts, in particular to a high-speed reliable gear.
Background
The gears are parts for transmission, power is transmitted through meshing motion between the gears, and meanwhile, the diameters of the gears can be changed to perform speed reduction and torque increase or speed acceleration and torque reduction.
In order to reduce abrasion caused by contact between gears, the gears are lubricated by lubricating oil, and oil bath is the most common and convenient method, so that part of the gears are immersed into oil, and all contact positions of the gears can be contacted with the oil by utilizing rotation of the gears.
When the rotation speed of the gear is required to be high, the lubrication mode usually selects low-viscosity oil, so that the oil stirring power of the gear is reduced, and the transmission efficiency is ensured.
Due to the high speed of the gears and the low viscosity of the oil, the oil adhering to the gears is reduced due to the inertia of the gears rotating at high speed, so that the thickness of the oil film on the surfaces of the gear teeth is reduced, and the lubrication effect is reduced, and thus, a new solution is required.
Disclosure of Invention
In view of the shortcomings of the prior art, the utility model aims to provide a high-speed reliable gear.
The technical aim of the utility model is realized by the following technical scheme:
the high-speed reliable gear comprises a body and a radial bearing connected with the body, wherein a plurality of oil guide grooves are formed in one side of the body, the oil guide grooves are positioned between two adjacent teeth, the inner ring of the radial bearing is fixedly connected with a shielding cover, the shielding cover extends to one side of the body, provided with the oil guide grooves, and the shielding cover is used for shielding part of the oil guide grooves.
The utility model is further provided with: the position of the oil guide groove, which is close to the tooth of the body, is provided with a first guide inclined plane.
The utility model is further provided with: the guide groove is internally provided with a guide block, the guide block is provided with a guide inclined plane II, and the distance between the guide block and the shielding cover is gradually reduced along with the approach to the teeth.
The utility model is further provided with: the shielding cover is provided with a guide groove formed on one side facing the body, and the guide groove is positioned between the first guide inclined plane and the second guide inclined plane.
The utility model is further provided with: and a guide inclined plane III is formed on the side wall of the guide groove.
The utility model is further provided with: the shielding cover is in clearance fit with the body, and a lubrication port is formed between the shielding cover and the body as well as between the shielding cover and the radial bearing.
In summary, the utility model has the following beneficial effects:
oil can flow into the oil guide groove which is not blocked by the blocking cover, and along with the rotation of the body, the oil guide groove which enters the oil is blocked by the blocking cover, so that the oil exists between the blocking cover and the body, the oil can flow to the teeth of the body along the oil guide groove and under the guidance of the second guiding inclined plane, the third guiding inclined plane and the first guiding inclined plane by utilizing the inertia generated by the rotation of the body, and thus the thickness of an oil film at the teeth of the body can be increased, the lubrication effect of the gear can be increased, and the reliability is improved.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of the present utility model;
FIG. 2 is a schematic diagram of a second embodiment of the present utility model;
FIG. 3 is a schematic view of the structure between the shield and the body of the present utility model;
fig. 4 is an enlarged view at a in fig. 3.
In the figure: 1. a body; 2. a radial bearing; 3. a shielding cover; 4. an oil guiding groove; 5. a first guide inclined plane; 6. a guide block; 7. a second guide inclined plane; 8. a guide groove; 9. a guide slope III; 10. lubrication ports.
Detailed Description
In the following description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being 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, and it is obvious that the described embodiments are only some embodiments of the present utility model, not all embodiments.
As shown in fig. 1 and 2, the application provides a high-speed reliable gear, can be installed into the gear box and carry out the transmission and use, including body 1 and journal bearing 2, journal bearing 2 has inner circle and outer lane, the inner circle can carry out one step of fixedly to the inner circle through jump ring with hot pressing male mode and pivot interference fit with hot pressing male mode, the pivot is fixed motionless, and when body 1 atress, body 1 can rotate under the effect of journal bearing 2, the inner circle does not rotate along with the pivot this moment, and the outer lane rotates along with body 1.
As shown in fig. 2 and 3, the inner ring of the radial bearing 2 is fixedly connected with a shielding cover 3 through screws, when the body 1 rotates, the shielding cover 3 keeps not rotating, clearance fit is formed between the shielding cover 3 and the body 1, a lubrication port 10 is formed between the shielding cover 3 and the body 1 and between the radial bearing 2, the shielding cover 3 extends to one side of the body 1, where the oil guiding grooves 4 are arranged, the shielding cover 3 is provided with a notch, the notch is located at the position of the shielding cover 3 facing the ground direction, a plurality of oil guiding grooves 4 are arranged on one side of the body 1, the oil guiding grooves 4 are distributed radially with the rotating shaft as the center, one oil guiding groove 4 is arranged between two adjacent teeth, the shielding cover 3 is used for shielding part of the oil guiding grooves 4, and the notch of the shielding cover 3 can not shelter other oil guiding grooves 4.
When the gear is used, the corresponding notch of the body 1 and the shielding cover 3 can be soaked by oil in the gear box, the oil can be contacted with the radial bearing 2 through the lubrication port 10, the lubrication effect on the radial bearing 2 is ensured, meanwhile, part of oil can flow into the oil guide groove 4 which is not shielded by the shielding cover 3 by utilizing the notch, along with the rotation of the body 1, the oil guide groove 4 which enters with the oil can be shielded by the shielding cover 3, so that the oil exists between the shielding cover 3 and the body 1, the oil can be reserved to the tooth of the body 1 along the oil guide groove 4 by utilizing the inertia generated by the rotation of the body 1, the oil at the tooth of the body 1 can be increased, the oil film thickness at the tooth of the body 1 is increased, and the lubrication effect of the gear is improved.
As shown in fig. 2, 3 and 4, the guide block 6 is formed in the guide groove 8, the guide block 6 is provided with the guide inclined plane two 7, the guide inclined plane one 5 is arranged at the position of the oil guiding groove 4 close to the teeth of the body 1, the guide groove 8 is formed at one side of the shielding cover 3 facing the body 1, the guide inclined plane three 9 is formed at the side wall of the guide groove 8, the guide groove 8 is positioned between the guide inclined plane one 5 and the guide inclined plane two 7, the oil in the oil guiding groove 4 is sequentially contacted with the guide inclined plane two 7, the guide inclined plane three 9 and the guide inclined plane one 5, thus the flowing direction of the oil can be adjusted, the oil flowing to the teeth of the body 1 is increased, and the distance between the guide block 6 and the shielding cover 3 is gradually reduced along with the approach to the teeth of the body 1 due to the inclination of the guide inclined plane two 7, so that the speed of the oil flowing from the oil guiding groove 4 to the teeth of the body 1 can be reduced, the oil can be continuously added at the teeth of the body 1, and the lubrication duration can be prolonged.
In summary, the gear provided in this embodiment can increase the oil film thickness at the tooth of the body 1, so as to increase the lubrication effect of the gear and improve the reliability of the gear.
The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (6)
1. The utility model provides a high-speed reliable gear, includes body and the journal bearing of being connected with the body, its characterized in that: the novel radial bearing comprises a body, wherein a plurality of oil guide grooves are formed in one side of the body, the oil guide grooves are located between two adjacent teeth, the inner ring of the radial bearing is fixedly connected with a shielding cover, the shielding cover extends to one side of the body, provided with the oil guide grooves, and the shielding cover is used for shielding part of the oil guide grooves.
2. The high speed reliable gear of claim 1, wherein: the position of the oil guide groove, which is close to the tooth of the body, is provided with a first guide inclined plane.
3. The high speed reliable gear of claim 2, wherein: the shielding cover is provided with a guide groove formed on one side facing the body, and the guide groove is positioned between the first guide inclined plane and the second guide inclined plane.
4. A high speed reliable gear as claimed in claim 3 wherein: the guide groove is internally provided with a guide block, the guide block is provided with a guide inclined plane II, and the distance between the guide block and the shielding cover is gradually reduced along with the approach to the teeth.
5. The high speed reliable gear according to claim 4, wherein: and a guide inclined plane III is formed on the side wall of the guide groove.
6. The high speed reliable gear of claim 1, wherein: the shielding cover is in clearance fit with the body, and a lubrication port is formed between the shielding cover and the body as well as between the shielding cover and the radial bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321762921.2U CN220581637U (en) | 2023-07-06 | 2023-07-06 | High-speed reliable gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321762921.2U CN220581637U (en) | 2023-07-06 | 2023-07-06 | High-speed reliable gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220581637U true CN220581637U (en) | 2024-03-12 |
Family
ID=90108919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321762921.2U Active CN220581637U (en) | 2023-07-06 | 2023-07-06 | High-speed reliable gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220581637U (en) |
-
2023
- 2023-07-06 CN CN202321762921.2U patent/CN220581637U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |