CN204201017U - Rotary type oil-leakage-prevention air vent structure on a kind of reducing gearbox - Google Patents
Rotary type oil-leakage-prevention air vent structure on a kind of reducing gearbox Download PDFInfo
- Publication number
- CN204201017U CN204201017U CN201420533732.2U CN201420533732U CN204201017U CN 204201017 U CN204201017 U CN 204201017U CN 201420533732 U CN201420533732 U CN 201420533732U CN 204201017 U CN204201017 U CN 204201017U
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- baffle disc
- reducing gear
- main reducing
- disc structure
- oil baffle
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Abstract
The utility model relates to the rotary type oil-leakage-prevention air vent structure on a kind of reducing gearbox, be made up of main reducing gear bonnet, breather plug assembly, final drive casing, it is characterized in that: main reducing gear bonnet is connected with final drive casing, little oil baffle disc structure is cast out at main reducing gear bonnet inner cavity top, and final drive casing inner cavity top casts out large oil baffle disc structure in relevant position, breather plug assembly is fixedly connected on the vent of tops after main reducing gear, and the combination of large oil baffle disc structure, little oil baffle disc structure and breather plug assembly forms rotary type air vent.It increases one deck gear pasta under the prerequisite not affecting gas circulation, prevents oil leakage, and does not need to assemble baffle plate in addition.
Description
Technical field
The utility model relates to the rotary type oil-leakage-prevention air vent structure on a kind of reducing gearbox, belongs to auto manufacturing, is applicable to passenger car and commercial car independent suspension type ransaxle, the air vent structure particularly in a kind of main reducing gear of drive axle housing.
Background technique
When vehicle travels, because the running of the part such as gear and bearing causes ransaxle inside temperature to raise, air pressure increases, and needs to install the gas discharge that breather plug is convenient to expansion additional, but due to lubricating oil splash, very easily goes out outside ransaxle with gas permeation.At present, the method for independent suspension type ransaxle head it off is generally the oil baffle disc casting out a U-shaped below bevel housing inwall upper vent hole, and a baffle plate installed by oil baffle disc opening direction bolt, stops that lubricant oil splash is to breather plug entrance.Reserve appropriate space between baffle plate and the oil baffle disc of casting, be convenient to ventilation; Or only cast out a little oil baffle disc at ventilation consent nearly housing place.
There is following problem in this several air vent design at present: because ransaxle internal lubrication oil splashes violent, add that vehicle travels to jolt, there will be parts of lubricating oil by the space between casting oil baffle disc and baffle plate until breather plug entrance, be discharged driving axis with gas, cause leakage of oil problem; And this structure also will assemble baffle plate, respective housings larger by thread mill drilling on housing, and operation increases; Whole bridge number of spare parts and assembly process increase simultaneously, and cost of production improves.
Summary of the invention
The purpose of this utility model is to provide the rotary type oil-leakage-prevention air vent structure on a kind of reducing gearbox, and it increases one deck gear pasta under the prerequisite not affecting gas circulation, prevents oil leakage, and does not need to assemble baffle plate in addition.
The technical solution of the utility model is achieved in that the rotary type oil-leakage-prevention air vent structure on a kind of reducing gearbox, by main reducing gear bonnet, breather plug assembly, final drive casing forms, it is characterized in that: main reducing gear bonnet is connected with final drive casing, little oil baffle disc structure is cast out at main reducing gear bonnet inner cavity top, and final drive casing inner cavity top casts out large oil baffle disc structure in relevant position, breather plug assembly is fixedly connected on the vent of tops after main reducing gear, large oil baffle disc structure, little oil baffle disc structure and the combination of breather plug assembly form rotary type air vent.
Good effect of the present utility model is that layout is simple, oil-leakage-prevention is effective, number of spare parts is few, cost of production is low, reliability is high, does not affect casing rigidity and assembly process process.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further: as shown in Figure 1, rotary type oil-leakage-prevention air vent structure on a kind of reducing gearbox, by main reducing gear bonnet 1, breather plug assembly 2, final drive casing 3 forms, it is characterized in that: main reducing gear bonnet 1 is connected with final drive casing 3, little oil baffle disc structure 4 is cast out at main reducing gear bonnet 1 inner cavity top, and final drive casing 3 inner cavity top casts out large oil baffle disc structure 5 in relevant position, breather plug assembly 2 is fixedly connected on the vent at main reducing gear bonnet 1 top, large oil baffle disc structure 5, little oil baffle disc structure 4 and breather plug assembly 2 combine and form rotary type air vent.
Main reducing gear bonnet 1 and other component are assemblied on final drive casing 3 and form main gearbox assembly, again breather plug assembly 2 is screwed in the mounting hole on main reducing gear bonnet 1, the large oil baffle disc structure 5 that the little oil baffle disc structure 4 now main reducing gear bonnet 1 cast out and final drive casing 3 cast out is combined, form rotary type air vent, and do not need to install oil baffle additional in addition; During ransaxle work, gas expansion is caused because inside temperature increases, expanding gas can according to route shown in arrow in figure, main gearbox assembly is discharged through breather plug assembly 2, the lubricant oil simultaneously splashed can only arrive in the large oil baffle disc structure 5 on final drive casing 3 and namely be back in main reducing gear, and the ingress of breather plug assembly 2 cannot be arrived by this rotary type route, so can not be taken out of breather plug assembly 2 when being vented, achieve the effect preventing oil seepage.
Claims (1)
1. the rotary type oil-leakage-prevention air vent structure on a reducing gearbox, be made up of main reducing gear bonnet, breather plug assembly, final drive casing, it is characterized in that: main reducing gear bonnet is connected with final drive casing, little oil baffle disc structure is cast out at main reducing gear bonnet inner cavity top, and final drive casing inner cavity top casts out large oil baffle disc structure in relevant position, breather plug assembly is fixedly connected on the vent of tops after main reducing gear, and the combination of large oil baffle disc structure, little oil baffle disc structure and breather plug assembly forms rotary type air vent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420533732.2U CN204201017U (en) | 2014-09-17 | 2014-09-17 | Rotary type oil-leakage-prevention air vent structure on a kind of reducing gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420533732.2U CN204201017U (en) | 2014-09-17 | 2014-09-17 | Rotary type oil-leakage-prevention air vent structure on a kind of reducing gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204201017U true CN204201017U (en) | 2015-03-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420533732.2U Active CN204201017U (en) | 2014-09-17 | 2014-09-17 | Rotary type oil-leakage-prevention air vent structure on a kind of reducing gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204201017U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930168A (en) * | 2015-06-24 | 2015-09-23 | 大连华锐重工集团股份有限公司 | Ventilating structure for hard rock cutting speed reducer |
| CN105715774A (en) * | 2016-03-31 | 2016-06-29 | 本钢板材股份有限公司 | Ventilation structure of speed reducer |
| CN113819222A (en) * | 2021-10-19 | 2021-12-21 | 温州大学 | Air cap for speed reducer |
| CN113847410A (en) * | 2021-08-13 | 2021-12-28 | 义乌吉利自动变速器有限公司 | Transmission ventilation structure, transmission and vehicle |
| WO2023221580A1 (en) * | 2022-05-19 | 2023-11-23 | 中山小神童创新科技有限公司 | Ventilation structure of speed reducer, speed reducer and stair climber machine |
-
2014
- 2014-09-17 CN CN201420533732.2U patent/CN204201017U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930168A (en) * | 2015-06-24 | 2015-09-23 | 大连华锐重工集团股份有限公司 | Ventilating structure for hard rock cutting speed reducer |
| CN104930168B (en) * | 2015-06-24 | 2017-04-05 | 大连华锐重工集团股份有限公司 | A kind of hard rock cut reductor ventilating structure |
| CN105715774A (en) * | 2016-03-31 | 2016-06-29 | 本钢板材股份有限公司 | Ventilation structure of speed reducer |
| CN113847410A (en) * | 2021-08-13 | 2021-12-28 | 义乌吉利自动变速器有限公司 | Transmission ventilation structure, transmission and vehicle |
| CN113819222A (en) * | 2021-10-19 | 2021-12-21 | 温州大学 | Air cap for speed reducer |
| CN113819222B (en) * | 2021-10-19 | 2024-01-23 | 温州大学 | Air cap for speed reducer |
| WO2023221580A1 (en) * | 2022-05-19 | 2023-11-23 | 中山小神童创新科技有限公司 | Ventilation structure of speed reducer, speed reducer and stair climber machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |