CN219975287U - Oil injection preventing structure of main speed reducer - Google Patents
Oil injection preventing structure of main speed reducer Download PDFInfo
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- CN219975287U CN219975287U CN202320814854.8U CN202320814854U CN219975287U CN 219975287 U CN219975287 U CN 219975287U CN 202320814854 U CN202320814854 U CN 202320814854U CN 219975287 U CN219975287 U CN 219975287U
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- Prior art keywords
- speed reducer
- main speed
- cavity
- flange
- gear
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 57
- 239000007924 injection Substances 0.000 title claims abstract description 19
- 238000002347 injection Methods 0.000 title claims abstract description 19
- 230000003405 preventing effect Effects 0.000 title claims abstract description 10
- 230000002265 prevention Effects 0.000 claims description 30
- 238000005507 spraying Methods 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims 3
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000005461 lubrication Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 17
- 239000010687 lubricating oil Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- General Details Of Gearings (AREA)
Abstract
The utility model relates to an anti-oil injection structure of a main speed reducer, which comprises a main speed reducer shell, wherein a vent plug and an anti-oil injection cavity are arranged on the main speed reducer shell; the utility model provides the low-cost main speed reducer oil injection preventing structure which has the advantages of simple structure, reasonable spatial arrangement and excellent oil injection preventing effect, ensures the reasonable arrangement and efficient transmission of the gears of the main speed reducer, effectively ensures the lubrication performance of the main speed reducer, and simultaneously effectively reduces the probability of oil injection or oil seepage of the vent holes of the main speed reducer.
Description
Technical Field
The utility model relates to the technical field of electric drive axles, in particular to an oil injection preventing structure of a main speed reducer.
Background
The reliability of the axle is determined by the good or bad lubricating performance of the axle speed reducer, but the temperature and pressure of the lubricating oil are raised to a certain extent due to the heat generated by the flowing of the lubricating oil and the meshing transmission of gears, and particularly the lubricating oil is particularly outstanding in the high-speed small-sized speed reducer, so that the oil spraying and oil seepage phenomena are extremely easy to occur in the vent hole of the axle speed reducer; in order to solve the problem, an oil shield structure or a one-way vent valve structure is often adopted, the oil shield structure has the defects of large occupied space, difficult installation and poor oil injection prevention effect, and the one-way vent valve has certain advantages in the aspect of oil injection prevention performance, but has complex structure, unchanged maintenance and high production cost, and is difficult to realize batch application.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art, thereby providing an oil injection preventing structure of a main speed reducer, and solving the problems of large occupied space, difficult maintenance, high cost and the like of the prior structure.
The utility model is realized by adopting the following technical scheme:
an anti-oil-spraying structure of a main speed reducer comprises a main speed reducer shell, wherein a vent plug and an anti-oil-spraying cavity are arranged on the main speed reducer shell;
the ventilation plug is arranged on the outer side of the main speed reducer shell and communicated with the blowout prevention cavity; the blowout prevention cavity is arranged on the inner side of the main speed reducer shell and forms an open cavity structure together with the inner side wall of the main speed reducer shell.
Preferably, the blowout prevention cavity comprises a first flange, a second flange and a third flange; the first flange, the second flange, the third flange and the inner side wall of the main speed reducer shell are provided with an open cavity structure with upper and lower openings.
Preferably, the downward opening end of the blowout prevention cavity extends to the bottom wall of the main speed reducer shell, and the lowest point of the blowout prevention cavity is higher than the lubricating oil level of the main speed reducer.
Preferably, the vent plug penetrates through the inner side wall of the main speed reducer shell, extends into the blowout prevention cavity, and is arranged at the upper opening end and the lower opening end far away from the blowout prevention cavity.
Preferably, the device further comprises a first gear, a second gear and a third gear which are arranged in the main speed reducer shell; the gear I and the gear II are arranged at the upper opening end and the lower opening end far away from the blowout prevention cavity, and the gear three bottom walls are arranged at the upper opening end close to the blowout prevention cavity.
Compared with the prior art, the utility model has the following beneficial technical effects:
the utility model provides the low-cost main speed reducer oil injection preventing structure which has the advantages of simple structure, reasonable spatial arrangement and excellent oil injection preventing effect, ensures the reasonable arrangement and efficient transmission of the gears of the main speed reducer, effectively ensures the lubrication performance of the main speed reducer, and simultaneously effectively reduces the probability of oil injection or oil seepage of the vent holes of the main speed reducer.
Drawings
The utility model is further described below with reference to the accompanying drawings:
FIG. 1 is a perspective view of the overall structure of the present utility model;
FIG. 2 is a top view of the overall structure of the present utility model;
FIG. 3 is a schematic view of the blowout prevention cavity of the present utility model.
Reference numerals illustrate:
1. a main reducer housing; 2. a first gear; 3. a second gear; 4. a vent plug; 5. a blowout prevention cavity; 6. a third gear; 7. a lubricating oil level;
51. a first flange; 52. a second flange; 53. and a third flange.
Detailed Description
In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other. In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," 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 utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1-3: the utility model provides a prevent spouting oil structure of main reducer, includes main reducer casing 1, is provided with breather plug 4 and prevents spouting chamber 5 on main reducer casing 1;
the ventilation plug 4 is arranged outside the main reducer shell 1 and communicated with the blowout prevention cavity 5; the blowout prevention cavity 5 is arranged on the inner side of the main speed reducer housing 1 and forms an open cavity structure together with the inner side wall of the main speed reducer housing 1.
In this embodiment, the blowout prevention cavity 5 includes a first flange 51, a second flange 52, and a third flange 53; the first flange 51, the second flange 52, the third flange 53 and the inner side wall of the main reducer housing 1 are provided with an open cavity structure with upper and lower openings; preferably, the first flange 51, the second flange 52 and the third flange 53 are integrally arranged with the inner side wall of the main reducer housing 1; further, the first flange 51, the second flange 52, the third flange 53 and the inner side wall of the main reducer housing 1 integrally form a ladder-shaped structure;
in this embodiment, the downward opening end of the blowout prevention cavity 5 extends toward the bottom wall of the main reducer housing 1, and the downward opening end of the blowout prevention cavity 5 may be integrally provided with the bottom wall of the main reducer housing 1, where it is noted that the lowest point of the blowout prevention cavity 5 is higher than the lubricating oil level 7 of the main reducer;
in this embodiment, the ventilation plug 4 extends through the inner side wall of the main reducer housing 1 into the blowout prevention cavity 5, and is disposed at the upper and lower open ends far away from the blowout prevention cavity 5;
in the embodiment, a first gear 2, a second gear 3 and a third gear 6 are also arranged in the main reducer shell 1; the side walls of the gear I2 and the gear II 3 are arranged at the upper and lower opening ends far away from the blowout prevention cavity 5, and the bottom wall of the gear III 6 is arranged at the upper opening end close to the blowout prevention cavity 5.
The utility model can obtain one or more of the following technical effects:
this main reducer prevent oil spout structure guarantees main reducer gear rational arrangement and high-efficient transmission in, and main reducer lubricating property is effectively guaranteed, has effectively reduced the probability that the air vent oil spout or oil seepage phenomenon appears in the main reducer simultaneously.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (5)
1. The anti-oil-spraying structure of the main speed reducer is characterized by comprising a main speed reducer shell (1), wherein a vent plug (4) and an anti-oil-spraying cavity (5) are arranged on the main speed reducer shell (1);
the ventilation plug (4) is arranged at the outer side of the main speed reducer shell (1) and communicated with the blowout prevention cavity (5); the blowout prevention cavity (5) is arranged on the inner side of the main speed reducer shell (1) and forms an open cavity structure together with the inner side wall of the main speed reducer shell (1).
2. The anti-injection structure of a final drive according to claim 1, wherein the anti-injection cavity (5) comprises a first flange (51), a second flange (52), a third flange (53); the first flange (51), the second flange (52), the third flange (53) and the inner side wall of the main speed reducer shell (1) are arranged to be of an open cavity structure with upper and lower openings.
3. A final drive oil spray prevention structure as claimed in claim 2, characterized in that the downwardly open end of the spray prevention chamber (5) extends towards the bottom wall of the final drive housing (1), the lowest point of the spray prevention chamber (5) being higher than the final drive oil level.
4. A main reducer oil injection preventing structure according to claim 3, wherein the ventilation plug (4) extends into the inner side wall of the main reducer housing (1) and is disposed at the upper and lower open ends far away from the anti-injection cavity (5).
5. The oil injection preventing structure of a final drive according to claim 4, further comprising a first gear (2), a second gear (3) and a third gear (6) provided in the final drive housing (1); the side walls of the first gear (2) and the second gear (3) are arranged at the upper opening end and the lower opening end far away from the blowout prevention cavity (5), and the bottom wall of the third gear (6) is arranged at the upper opening end close to the blowout prevention cavity (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320814854.8U CN219975287U (en) | 2023-04-13 | 2023-04-13 | Oil injection preventing structure of main speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320814854.8U CN219975287U (en) | 2023-04-13 | 2023-04-13 | Oil injection preventing structure of main speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219975287U true CN219975287U (en) | 2023-11-07 |
Family
ID=88592672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320814854.8U Active CN219975287U (en) | 2023-04-13 | 2023-04-13 | Oil injection preventing structure of main speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219975287U (en) |
-
2023
- 2023-04-13 CN CN202320814854.8U patent/CN219975287U/en active Active
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