CN112178165B - Gear box ventilation assembly and vehicle - Google Patents
Gear box ventilation assembly and vehicle Download PDFInfo
- Publication number
- CN112178165B CN112178165B CN202011104928.6A CN202011104928A CN112178165B CN 112178165 B CN112178165 B CN 112178165B CN 202011104928 A CN202011104928 A CN 202011104928A CN 112178165 B CN112178165 B CN 112178165B
- Authority
- CN
- China
- Prior art keywords
- liquid
- air
- inlet
- core
- gearbox
- 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.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/027—Gearboxes; Mounting gearing therein characterised by means for venting gearboxes, e.g. air breathers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention relates to the technical field of vehicles and discloses a gearbox ventilation assembly and a vehicle. Wherein the gear box subassembly of ventilating sets up on the casing of gear box, and the casing is provided with a cavity, is provided with air inlet, gas outlet, inlet and the liquid outlet with the cavity intercommunication on the casing, and this gear box subassembly of ventilating is including setting up the core in the cavity of casing, and the outer wall of core is provided with the air flue of intercommunication air inlet and gas outlet, is provided with the liquid way that can communicate inlet and liquid outlet on the core, and the liquid way runs through the air flue setting. The shell is provided with the air inlet, the air outlet, the liquid inlet and the liquid outlet which are communicated with the cavity, and the core body in the cavity is provided with the air passage communicated with the air inlet and the air outlet and the liquid passage communicated with the liquid inlet and the liquid outlet, so that the balance of the pressure difference between the inside and the outside of the gear box is realized; simultaneously, the liquid channel runs through the air flue setting, is favorable to cooling effectively the gas in the air flue, promotes the cooling effect of oil gas.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to a gearbox ventilation assembly and a vehicle.
Background
The gear box structures such as an automatic transmission, a manual transmission and a speed reducer are core components of a modern automobile transmission system, and mainly used for changing the speed and the torque of the power of a driving source and outputting the power to wheel ends. The basic structure of the device is that the inner moving parts are sealed by a shell and isolated from the external environment. Because the inside a large amount of heats that produce of gear box in the operation process, need realize the inside and outside pressure difference balance of gear box through set up air-permeable structure on the casing, avoid damaging rubber seal, lead to revealing of lubricating oil. Besides guaranteeing the balance of the pressure difference between the inside and the outside of the box body, the ventilation structure also avoids the direct spraying of lubricating oil when the oil-containing aerial fog is sprayed or the pressure is too high, so as to prevent the oil gas from polluting the engine room of the vehicle and reduce the lubricating oil inside the gear box.
In the prior art, the traditional ventilation structure design is mainly realized by machining a complex labyrinth passage on the shell of the gearbox. However, the structure of the shell is complex and limited by the spatial arrangement, and the actual oil-gas cooling effect is not good. Or rely on the inside comparatively complicated gas circuit design of adopting of breather plug body alone, promote the cooling effect of oil gas, nevertheless because be subject to the less space of breather plug itself, actual conditions is very unsatisfactory. In conclusion, the existing gearbox ventilation assembly is limited by the complexity of the structure, so that the separation effect is poor, a large amount of oil-containing aerial fog is still sprayed under a plurality of limit working conditions, the problems of cabin pollution, lubricating oil reduction and the like are caused.
Therefore, a need exists for a gearbox breather assembly that addresses the above-mentioned problems.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a gearbox ventilation assembly and a vehicle, which have simple structures, can ventilate a gearbox well, and can cool air effectively.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a gear box subassembly of ventilating, sets up on the casing of gear box, the casing is provided with a cavity, be provided with on the casing with air inlet, gas outlet, inlet and the liquid outlet of cavity intercommunication, the gear box subassembly of ventilating includes:
the core, set up in the casing in the cavity, the outer wall of core is provided with can communicate the air flue of air inlet and gas outlet, be provided with on the core and can communicate the inlet with the liquid way of liquid outlet, the liquid way runs through the air flue setting.
As a preferred scheme of the gearbox ventilation assembly, the gearbox ventilation assembly further comprises an end cover connected with the shell, and a liquid outlet channel communicated with the liquid outlet and an air outlet channel communicated with the air outlet are arranged on the end cover.
As a preferable scheme of the gearbox ventilation assembly, the core body is provided with a mounting protrusion which is flush with one end of the shell, and the mounting protrusion abuts against the end cover.
As a preferred scheme of the gearbox ventilation assembly, one end of the core body is provided with a first ring groove, a first sealing ring is arranged in the first ring groove, and the first sealing ring can be abutted to the end cover.
As a preferred scheme of the gearbox ventilation assembly, a second annular groove is formed between an inlet of the air passage and an inlet of the liquid passage, a second sealing ring is arranged in the second annular groove, and the second sealing ring can be abutted against the inner wall of the cavity.
As a preferred scheme of the gearbox ventilation assembly, the core body is provided with a positioning bulge, the cavity is provided with a positioning boss, and the positioning bulge can be arranged on the positioning boss.
As a preferable scheme of the gearbox ventilation assembly, the liquid inlet is positioned below the liquid outlet.
As a preferable scheme of the gearbox ventilation assembly, a one-way valve is arranged on the air outlet to conduct the air passage and the atmosphere in a one-way mode.
As a preferred scheme of the gearbox ventilation assembly, a spiral protrusion is arranged on the outer wall of the core body, and the spiral protrusion is abutted against the inner wall of the cavity to enclose the air passage which is arranged into a spiral shape.
A vehicle comprising a gearbox breather assembly as described in any preceding aspect.
The invention has the beneficial effects that: through set up air inlet, gas outlet, inlet and the liquid outlet with the cavity intercommunication on the casing to set up the air flue of intercommunication air inlet and gas outlet and the liquid way of intercommunication inlet and liquid outlet on the core in the cavity, be used for realizing that the internal and external pressure difference of gear box is balanced, avoid damaging rubber seal spare, lead to revealing of lubricating oil. Meanwhile, the shell and the core are matched for ventilation, so that the situation that a certain structure in the shell or the core is too complex is avoided; in addition, the liquid channel runs through the air flue setting, is favorable to cooling effectively the gas in the air flue, promotes the cooling effect of oil gas, makes lubricating oil in the gas can be by the condensation, then in backward flow to the gear box, avoids the gas oil content of combustion gas too much, leads to the problem that cabin pollution and lubricating oil reduce.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a schematic view of a gearbox breather assembly provided by an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a gearbox breather assembly provided by an embodiment of the present invention;
FIG. 3 is a schematic view of a core of a gearbox breather assembly provided by an embodiment of the present invention.
In the figure:
100. a housing;
1. a cavity; 11. an air inlet; 12. an air outlet; 13. a liquid inlet;
2. a core body; 21. an airway; 22. a liquid channel; 23. mounting a boss; 24. a first ring groove; 241. a first seal ring; 25. a second ring groove; 251. a second seal ring; 26. positioning the projection; 27. a spiral-shaped protrusion;
3. an end cap; 31. a liquid outlet channel; 32. and an air outlet channel.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 3, the present embodiment provides a gearbox ventilation assembly that can be applied to mechanical structures including a gearbox as a core, such as an automatic transmission, a manual transmission, and a reduction gear of an electric vehicle. The gearbox ventilation assembly is arranged on a shell 100 of the gearbox, the shell 100 is provided with a cavity 1, the shell 100 is provided with an air inlet 11, an air outlet 12, a liquid inlet 13 and a liquid outlet which are communicated with the cavity 1, the gearbox ventilation assembly comprises a core body 2 arranged in the cavity 1 of the shell 100, the outer wall of the core body 2 is provided with an air passage 21 capable of being communicated with the air inlet 11 and the air outlet 12, the core body 2 is provided with a liquid passage 22 capable of being communicated with the liquid inlet 13 and the liquid outlet, and the liquid passage 22 penetrates through the air passage 21.
The air inlet 11, the air outlet 12, the liquid inlet 13 and the liquid outlet which are communicated with the cavity 1 are arranged on the shell 100, the air passage 21 communicated with the air inlet 11 and the air outlet 12 and the liquid passage 22 communicated with the liquid inlet 13 and the liquid outlet are arranged on the core body 2 in the cavity 1, so that the balance of the pressure difference between the inside and the outside of the gear box is realized, the damage to a rubber sealing element is avoided, the leakage of lubricating oil is avoided, meanwhile, the shell 100 and the core body 2 are matched for ventilation, and the certain structure in the shell 100 or the core body 2 is avoided from being too complex; in addition, the liquid way 22 runs through the setting of air flue 21, is favorable to cooling effectively the gas in the air flue, promotes the cooling effect of oil gas, makes lubricating oil in the gas can be by the condensation, then in backward flow to the gear box, avoids the gas oil content of combustion gas too much, leads to the problem that cabin pollution and lubricating oil reduce.
Specifically, the gearbox breather assembly also includes an end cap 3 connected to the housing 100, the end cap 3 being removably connected to the housing 100 to facilitate installation, servicing and replacement of the core 2. The end cover 3 is provided with a liquid outlet channel 31 communicated with the liquid outlet for discharging cooling liquid; and an air outlet channel 32 communicating with the air outlet 12 for the discharge of the gas.
In order to facilitate the installation between the core 2 and the cavity 1, the core 2 is provided with a positioning protrusion 26, the cavity 1 is provided with a positioning boss, and after the core 2 is placed in the cavity 1, the positioning protrusion 26 can be placed on the positioning boss to realize the positioning of the core 2 in the cavity 1.
Further, the core body 2 is provided with an installation bulge 23 which is flush with one end of the shell 100, after the positioning bulge 26 abuts against the positioning boss, the end cover 3 is placed above the cavity 1, and the installation bulge 23 can abut against the end cover 3.
Preferably, in order to achieve the sealing between the core body 2 and the end cover 3, a first ring groove 24 is provided at one end of the core body 2, a first sealing ring 241 is provided in the first ring groove 24, and the first sealing ring 241 can abut against the end cover 3 when the end cover 3 is connected with the housing 100.
Further, in order to realize the sealing between the air passage 21 and the liquid passage 22 of the core body 2, a second ring groove 25 is arranged between the inlet of the air passage 21 and the inlet of the liquid passage 22 of the core body 2, a second sealing ring 251 is arranged in the second ring groove 25, and the second sealing ring 251 can be abutted against the inner wall of the cavity 1. The second sealing ring 251 is arranged to effectively prevent mutual contamination caused by mutual communication and mixing between the gas containing the lubricating oil and the cooling water.
It should be noted that, in order to achieve better cooling effect, the liquid channel 22 is disposed at the center of the core body 2, so that the distance between the liquid channel 22 and the air channel 21 is the same, and the cooling is more uniform; and the liquid inlet 13 is located below the liquid outlet, so that the cooling effect is better, the lubricating oil in the gas can be fully cooled, and the lubricating oil is condensed into liquid lubricating oil to flow back to the gear box. The liquid channel 22 can be communicated to a cooling water channel of the whole vehicle, which is beneficial to simplifying the structure.
In this embodiment, the air outlet 12 is provided with a check valve to conduct the air duct 21 and the atmosphere in a single direction, which is beneficial to preventing external water and dust from entering the gear box.
Preferably, to make the cooling effect of the gas better, the air path may be set to be more narrow, for example, the air path 21 may be set to be spiral, double spiral, discontinuous spiral, or the like. Illustratively, the outer wall of the core body 2 of the present embodiment is provided with a spiral protrusion 27, and the spiral protrusion 27 abuts against the inner wall of the cavity 1 to enclose the air duct 21 formed in a spiral shape. Meanwhile, the spiral air channel 21 is also beneficial to enabling the cooled lubricating oil to flow back to the gear box by means of gravity, so that the storage of the lubricating oil is avoided, the lubricating oil leakage caused by repeated change of air pressure in the gear box is prevented, and the using amount of the lubricating oil is saved.
In other embodiments, a person skilled in the art can also exchange the air passage 21 and the liquid passage 22 according to actual needs, that is, cooling water is introduced into the air passage 21, and air is introduced into the liquid passage 22, so that the ventilation of the gear box can be realized, and the air can be effectively cooled.
The embodiment also discloses a vehicle comprising the gearbox ventilation assembly according to any one of the above aspects.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (10)
1. The utility model provides a gearbox subassembly of ventilating sets up on casing (100) of gearbox, its characterized in that, casing (100) are provided with a cavity (1), be provided with on casing (100) with air inlet (11), gas outlet (12), inlet (13) and the liquid outlet of cavity (1) intercommunication, the gearbox subassembly of ventilating includes:
core (2), set up in casing (100) in cavity (1), the outer wall of core (2) is provided with the intercommunication air flue (21) of air inlet (11) and air outlet (12), be provided with on core (2) and can communicate inlet (13) with liquid way (22) of liquid outlet, liquid way (22) run through air flue (21) set up.
2. The gearbox ventilation assembly of claim 1, further comprising an end cover (3) connected to the housing (100), wherein the end cover (3) is provided with a liquid outlet channel (31) communicated with the liquid outlet and a gas outlet channel (32) communicated with the gas outlet (12).
3. Gearbox ventilation assembly according to claim 2, characterized in that the core (2) is provided with a mounting projection (23) flush with one end of the housing (100), the mounting projection (23) abutting the end cap (3).
4. Gearbox breather assembly according to claim 2, in which one end of the core (2) is provided with a first annular groove (24), in which first annular groove (24) a first sealing ring (241) is provided, the first sealing ring (241) being abuttable with the end cap (3).
5. Gearbox ventilation assembly according to claim 1, characterized in that a second annular groove (25) is provided between the inlet of the air duct (21) and the inlet of the liquid duct (22) of the core (2), a second sealing ring (251) being provided in the second annular groove (25), the second sealing ring (251) being capable of abutting against the inner wall of the cavity (1).
6. Gearbox ventilation assembly according to claim 1, characterized in that a positioning projection (26) is provided on the core (2) and a positioning boss is provided on the cavity (1), on which positioning projection (26) can be placed.
7. Gearbox ventilation assembly according to claim 1, characterized in that the liquid inlet (13) is located below the liquid outlet.
8. Gearbox ventilation assembly according to claim 1, characterized in that a one-way valve is arranged on the air outlet (12) to conduct the air duct (21) and the atmosphere in one way.
9. Gearbox ventilation assembly according to any of the preceding claims 1-8, characterized in that the outer wall of the core (2) is provided with a helical protrusion (27), which helical protrusion (27) abuts against the inner wall of the cavity (1) to enclose the air passage (21) which is helical.
10. A vehicle comprising a gearbox breather assembly according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011104928.6A CN112178165B (en) | 2020-10-15 | 2020-10-15 | Gear box ventilation assembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011104928.6A CN112178165B (en) | 2020-10-15 | 2020-10-15 | Gear box ventilation assembly and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112178165A CN112178165A (en) | 2021-01-05 |
| CN112178165B true CN112178165B (en) | 2021-07-23 |
Family
ID=73950421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011104928.6A Active CN112178165B (en) | 2020-10-15 | 2020-10-15 | Gear box ventilation assembly and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112178165B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204961782U (en) * | 2015-06-05 | 2016-01-13 | 江西理工大学 | Prevent into water gearbox breather plug |
| JP2017155834A (en) * | 2016-03-01 | 2017-09-07 | 本田技研工業株式会社 | Breather |
| CN207935396U (en) * | 2017-12-29 | 2018-10-02 | 中车戚墅堰机车车辆工艺研究所有限公司 | Hub reduction gear and vehicle with it |
| CN208457160U (en) * | 2018-06-25 | 2019-02-01 | 西安法士特汽车传动有限公司 | A kind of huge discharge labyrinth type breather plug |
| CN209539983U (en) * | 2018-09-29 | 2019-10-25 | 西安法士特汽车传动有限公司 | A kind of ventilation device for retarder |
| CN209781634U (en) * | 2019-01-29 | 2019-12-13 | 长城汽车股份有限公司 | Ventilation structure |
| CN209705243U (en) * | 2019-03-06 | 2019-11-29 | 江门市大长江集团有限公司 | A kind of ventilation device of vehicle gear box |
| CN210739328U (en) * | 2019-09-12 | 2020-06-12 | 重庆齿轮箱有限责任公司 | Gearbox subassembly of ventilating and ventilative cap subassembly |
| CN111503246A (en) * | 2020-05-29 | 2020-08-07 | 株洲齿轮有限责任公司 | Oil-gas separation labyrinth of speed reducer mainly based on oil liquid surface layer filtration and design method |
-
2020
- 2020-10-15 CN CN202011104928.6A patent/CN112178165B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN112178165A (en) | 2021-01-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2019154155A1 (en) | Electric assembly and vehicle having same | |
| CN112178165B (en) | Gear box ventilation assembly and vehicle | |
| CN104329443A (en) | Venting plug of automobile transmission | |
| CN202327036U (en) | Labyrinth type air exhaust system | |
| CN204878659U (en) | Automotive transmission breather valve | |
| CN209930084U (en) | Ventilation structure of drive motor and transmission | |
| CN211138966U (en) | Air interchanger in vehicle | |
| CN109424727B (en) | Speed reducer ventilation structure and speed reducer | |
| CN212616228U (en) | Stepped rotary air duct structure of electric automobile speed reducer | |
| CN205578683U (en) | Exhaust structure of leading derailleur of car | |
| CN216768300U (en) | Ventilation structure and transmission system | |
| CN213541248U (en) | Die-cast automobile transmission shell structure | |
| CN219866192U (en) | Integrated power assembly combined oil seal structure, power assembly and vehicle | |
| CN215059353U (en) | Novel speed reducer | |
| CN108343503B (en) | Liquid feeding pipe fitting, liquid feeding pipe fitting assembly, radiator and vehicle | |
| CN208364745U (en) | Oil lubrication gear drive ventilation device | |
| CN216812786U (en) | Ventilative cap, speed reducer and spiral delivery mechanism | |
| CN220286354U (en) | Speed reducer with ventilation device | |
| CN209833543U (en) | Vehicle-mounted camera with anti-collision function | |
| CN219510119U (en) | Clutch housing structure and automatic gearbox | |
| CN210135223U (en) | Power assembly and vehicle with same | |
| CN214304352U (en) | Shell structure of dry-type oil-free screw compressor | |
| CN219802016U (en) | Anti-splash oil waterproof device for electric vehicle motor | |
| CN211599491U (en) | Transmission and exhaust assembly thereof | |
| CN217055439U (en) | Starter and motor vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |