CN110219965B - Buried vent plug structure and exhaust method - Google Patents
Buried vent plug structure and exhaust method Download PDFInfo
- Publication number
- CN110219965B CN110219965B CN201910228875.XA CN201910228875A CN110219965B CN 110219965 B CN110219965 B CN 110219965B CN 201910228875 A CN201910228875 A CN 201910228875A CN 110219965 B CN110219965 B CN 110219965B
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- Prior art keywords
- hole
- clutch
- vent plug
- plug
- embedded
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000009423 ventilation Methods 0.000 claims description 28
- 230000005540 biological transmission Effects 0.000 claims description 16
- 238000005192 partition Methods 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 12
- 239000012535 impurity Substances 0.000 abstract description 5
- 230000000903 blocking effect Effects 0.000 description 6
- 238000003754 machining Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 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
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
Abstract
The invention discloses an embedded vent plug structure and an exhaust method. Inside oil gas of derailleur gets into the breather plug through the air flue, in the exhaust hole of burying the hole again is discharged into the inner chamber of clutch, and the gas pocket on this clutch inner chamber links to each other with external atmosphere, because the air dust impurity is less in the clutch inner chamber, is difficult for forming the greasy dirt or blocks up the breather plug, and conceals in the inside of derailleur, can effectively solve above-mentioned problem, can make the derailleur outward appearance clean and tidy pleasing to the eye, ensures the breather plug reliability, promotes customer satisfaction.
Description
Technical Field
The invention relates to the technical field of gearboxes, in particular to a buried vent plug structure and an exhaust method.
Background
At present, a breather plug of a speed changer is generally arranged at the top of the speed changer, after the speed changer runs for a long time, the internal temperature is increased, the air pressure is increased, and the oil gas generated by the breather plug in the exhaust process is sprayed on the surface of the speed changer, so that dust and impurities in the air are adsorbed, the oil dirt on the surface of the speed changer is more after the speed changer is used for a period of time, and the appearance of the speed changer is influenced. Meanwhile, after the transmission stops working, the temperature in the inner cavity of the transmission is reduced, the air pressure is reduced, external air enters the transmission through the plug, dust impurities in the air easily enter the ventilation plug, the ventilation plug is blocked, especially dust in the running environment of mines and engineering vehicles is large, the ventilation plug is easily blocked, and the serious failure of oil seal oil leakage is caused by the air pressure increase in the inner cavity of the transmission.
The existing solution is to use the ventilation hose to replace the ventilation plug on the transmission, the ventilation hose guides the oil gas to other positions for discharge, so that the pollution to the transmission body is effectively avoided, but the ventilation hose is exposed in the air, and the problems of blockage, water inflow and the like are also caused.
To current technical problem, it is necessary to design a novel ventilation plug structure, solves the problem that the ventilation plug blockked up.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a buried vent plug structure, which is characterized in that the vent plug is arranged in a buried hole of a clutch housing, the vent plug is isolated from the outside, exhaust gas is introduced into a clutch, dust is prevented from blocking the vent plug, and meanwhile, the problem of appearance pollution of a transmission is solved.
The invention is realized by the following technical scheme:
an embedded vent plug structure comprises a clutch housing and a vent plug; be provided with the buried hole of enclosed construction on the outer wall of clutch housing, the breather plug sets up in buried hole, and the air inlet end of breather plug passes through the inner chamber intercommunication of air flue and gearbox, and the air flue setting is on the clutch housing, is provided with the exhaust hole in the buried hole, and the exhaust hole will be buried hole and clutch's inner chamber intercommunication.
Preferably, the bottom of the buried hole is provided with a vent plug mounting hole, the vent plug mounting hole is communicated with the air passage, and the vent plug is mounted in the vent plug mounting hole.
Preferably, the vent hole is obliquely arranged on the side wall of the buried hole, and the upper end of the vent hole is positioned on the side wall of the buried hole.
Preferably, the upper end of the exhaust hole is higher than the lower end of the exhaust hole.
Preferably, a blocking cover is arranged at the upper end of the embedded hole and used for sealing the embedded hole.
Preferably, the embedded holes are arranged on a partition wall of the clutch, and the partition wall is positioned between the clutch cavity and the transmission cavity.
Preferably, the air passage horizontally penetrates through the partition wall, one end of the air passage is provided with a plug, and the other end of the air passage is communicated with the cavity of the speed changer.
The invention also provides an exhaust method of the embedded vent plug structure, wherein an oil-gas mixture generated in the inner cavity of the clutch enters the vent plug through the air passage, the vent plug separates the oil-gas mixture, the separated gas enters the embedded hole through the air outlet end of the vent plug, then is discharged into the inner cavity of the clutch through the exhaust hole, and finally is discharged into the atmosphere through the air hole of the clutch; the oil separated by the vent plug flows back into the inner cavity of the transmission through the air passage.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention provides an embedded type ventilation plug structure, which is arranged in an embedded hole in the outer wall of a clutch housing, wherein the embedded hole adopts a closed structure to prevent rainwater or dust from entering the periphery of the ventilation plug. Inside oil gas of derailleur gets into the breather plug through the air flue, in the inner chamber of clutch is got into through burying the exhaust hole of hole again, the gas pocket on the clutch inner chamber links to each other with external atmosphere, this clutch inner chamber enclosure space, and the dust impurity of air is less in the inner chamber, is difficult for forming the greasy dirt or blocks up the breather plug, can effectively solve the problem that the work leads to the jam in breather plug time, can make the derailleur outward appearance clean and tidy pleasing to the eye, ensures the breather plug reliability, promotes customer satisfaction.
The embedded holes are further sealed by the plug cover, so that the ventilation plug is convenient to maintain or replace, and the maintenance cost is reduced.
The air passage adopts a horizontal through hole structure, and one end of the air passage is sealed by the plug, so that the air passage is convenient to process, and the manufacturing cost is reduced.
The invention also provides an exhaust method of the embedded vent plug structure, wherein an oil-gas mixture in the gearbox enters the vent plug through the air passage, after the oil-gas mixture is separated through the vent plug, the separated gas is sprayed into the clutch cavity through the side wall of the embedded hole, and the separated oil flows back into the gearbox through the air passage; the gas is sprayed out of the clutch housing, so that the gas is prevented from contacting with external dust, and the problem of blocking of the vent plug is avoided.
Drawings
Figure 1 is a schematic view of the mounting structure of the vent plug of the present invention.
In the figure: 1. a vent plug; 2. a blanking cover; 3. a clutch housing; 4. the clutch housing and the engine are combined; 5. an exhaust hole; 6. and (5) plugging.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings, which illustrate but do not limit the invention.
As shown in fig. 1, an embedded vent plug structure comprises a clutch housing 3 and a vent plug 1, wherein one end of the clutch housing 3 is connected with a transmission main housing, the other end of the clutch housing is connected with an engine, the vent plug 1 is arranged on the clutch housing 3 and is positioned on a partition wall between a clutch cavity and a transmission cavity, and the partition wall is positioned on the clutch housing 3.
Be provided with on this partition wall and bury the hole, bury the degree of depth of hole and be greater than the height of ventilation plug, bury the bottom of hole and be provided with ventilation plug mounting hole, bury the bottom of hole and still be provided with the air flue, the one end and the inner chamber intercommunication of gearbox of air flue, the other end and the ventilation plug mounting hole intercommunication of air flue.
The ventilation plug 1 is arranged in a ventilation plug mounting hole in the bottom of the buried hole through threads, the air inlet end of the ventilation plug is communicated with the air passage, the air outlet end of the ventilation plug 1 is positioned in the buried hole, the top of the buried hole is provided with the blocking cover 2, and the blocking cover 2 is arranged at the top of the buried hole through threads. The embedded hole is sealed by the blanking cover 2, so that dust and water are prevented from entering the embedded hole, and the problem that the ventilation plug is blocked by the dust is solved; meanwhile, after the blanking cover 2 is disassembled, the ventilation plug can be checked and replaced, and the maintenance is convenient.
The side wall of the ventilation plug 1 is provided with an exhaust hole 5, and the exhaust hole 5 is communicated with the inner cavity of the clutch, so that the gas exhausted by the ventilation plug enters the inner cavity of the clutch through the embedded hole.
The exhaust hole 5 is obliquely arranged, the upper end of the exhaust hole is positioned on the side wall of the buried hole, the height of the upper end hole is larger than that of the lower end hole, so that gas sprayed by the vent plug is sprayed on the side wall of the exhaust hole, and the gas is prevented from being directly sprayed on the friction plate of the clutch, so that the friction coefficient of the friction plate is reduced. Simultaneously, the exhaust hole 5 is obliquely machined from the embedded hole until being communicated with the inner cavity of the clutch, and by adopting the machining method, the machining stroke is shortened, the operation is convenient and fast, and the machining efficiency is improved.
The air passage is a horizontal air passage, the air passage horizontally penetrates through the partition wall, a plug 6 is arranged at one end, close to the joint surface 4 of the clutch housing and the engine, of the air passage, the air passage is of a through hole structure, the air passage is convenient to process, the air passage is sealed through the plug 6, and the sealing reliability is guaranteed.
The following describes in detail the method of exhausting the buried vent plug structure provided by the present invention.
The oil-gas mixture generated in the inner cavity of the clutch enters the vent plug through the air passage, the vent plug separates oil from gas, the separated gas enters the buried hole through the air outlet end of the vent plug, then is discharged into the inner cavity of the clutch through the air outlet hole, and finally is discharged into the atmosphere through the air hole of the clutch; the oil separated by the vent plug flows back into the inner cavity of the transmission through the air passage.
The invention provides an embedded type ventilation plug structure, wherein a ventilation plug 1 is arranged in an embedded hole of a clutch housing hole, and the embedded hole is closed by a blocking cover 2, so that rainwater or dust is prevented from entering the periphery of the ventilation plug. The inside oil gas of derailleur gets into the breather plug through the air flue, in the inner chamber of clutch (the inner chamber of the faying surface of engine and clutch housing promptly) is got into through burying the exhaust hole of hole again, the gas pocket on this clutch inner chamber links to each other with external atmosphere, because the air dust impurity is less in the clutch inner chamber, be difficult for forming the greasy dirt or block up the breather plug, and conceal in the inside of derailleur, can effectively solve above-mentioned problem, can make the derailleur outward appearance clean and tidy pleasing to the eye, ensure the breather plug reliability, promote customer satisfaction.
The above is only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited by this, and any modification made on the basis of the technical scheme according to the technical idea of the present invention falls within the protection scope of the claims of the present invention.
Claims (3)
1. The embedded vent plug structure is characterized by comprising a clutch housing (3) and a vent plug (1); the clutch comprises a clutch housing (3), wherein an embedded hole with a closed structure is formed in the outer wall of the clutch housing (3), a ventilation plug (1) is arranged in the embedded hole, the air inlet end of the ventilation plug is communicated with the inner cavity of the gearbox through an air passage, the air passage is formed in the clutch housing (3), an exhaust hole (5) is formed in the embedded hole, and the exhaust hole is communicated with the embedded hole and the inner cavity of the clutch;
the bottom of the buried hole is provided with a vent plug mounting hole which is communicated with the air passage, and the vent plug is arranged in the vent plug mounting hole; a blanking cover (2) is arranged at the upper end of the embedded hole and is used for sealing the embedded hole;
the exhaust hole (5) is obliquely arranged on the side wall of the buried hole, the upper end of the exhaust hole is positioned on the side wall of the buried hole, and the level of the upper end of the exhaust hole (5) is higher than that of the lower end of the exhaust hole (5);
the embedded holes are formed in a partition wall of the clutch, and the partition wall is located between the clutch cavity and the transmission cavity.
2. The embedded vent plug structure according to claim 1, wherein the air passage horizontally penetrates through the partition wall, one end of the air passage is provided with a plug (6), and the other end of the air passage is communicated with the transmission cavity.
3. An exhaust method of the embedded vent plug structure according to any one of claims 1-2, wherein an oil-gas mixture generated in an inner cavity of the transmission enters the vent plug (1) through an air passage, the vent plug (1) performs oil-gas separation on the oil-gas mixture, separated gas enters the embedded hole through an air outlet end of the vent plug (1), is discharged into the inner cavity of the clutch through an exhaust hole, and is finally discharged into the atmosphere through an air hole of the clutch; the oil separated by the vent plug flows back into the inner cavity of the transmission through the air passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910228875.XA CN110219965B (en) | 2019-03-25 | 2019-03-25 | Buried vent plug structure and exhaust method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910228875.XA CN110219965B (en) | 2019-03-25 | 2019-03-25 | Buried vent plug structure and exhaust method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110219965A CN110219965A (en) | 2019-09-10 |
| CN110219965B true CN110219965B (en) | 2024-02-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910228875.XA Active CN110219965B (en) | 2019-03-25 | 2019-03-25 | Buried vent plug structure and exhaust method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110219965B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110925054A (en) * | 2019-12-13 | 2020-03-27 | 重庆隆鑫机车有限公司 | Clutch cover with ventilation function and engine |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5993565A (en) * | 1982-11-18 | 1984-05-30 | Aisin Seiki Co Ltd | Air vent device within case chamber of speed change gear |
| JPH09273621A (en) * | 1996-04-03 | 1997-10-21 | Daihatsu Motor Co Ltd | Breather device of automatic transmission |
| JP2005291326A (en) * | 2004-03-08 | 2005-10-20 | Mitsubishi Fuso Truck & Bus Corp | Breather device of transmission |
| KR100793703B1 (en) * | 2006-09-29 | 2008-01-11 | 현대 파워텍 주식회사 | An air breather for transmission |
| JP2008106792A (en) * | 2006-10-23 | 2008-05-08 | Toyota Motor Corp | Breather plug |
| KR20110027978A (en) * | 2009-09-11 | 2011-03-17 | 현대자동차주식회사 | Air breather assembly for automatic transmission |
| CN205089948U (en) * | 2015-09-10 | 2016-03-16 | 广州汽车集团股份有限公司 | Gearbox breather plug, gearbox breather plug mounting structure and gearbox |
| CN206368960U (en) * | 2017-01-10 | 2017-08-01 | 南京奥联新能源有限公司 | Longitudinal few shift transmission ventilation device |
| CN107869569A (en) * | 2017-11-03 | 2018-04-03 | 柳州上汽汽车变速器有限公司柳东分公司 | A kind of automatic transmission exhaust structure |
| CN209909126U (en) * | 2019-03-25 | 2020-01-07 | 陕西法士特齿轮有限责任公司 | Embedded type ventilation plug structure |
-
2019
- 2019-03-25 CN CN201910228875.XA patent/CN110219965B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5993565A (en) * | 1982-11-18 | 1984-05-30 | Aisin Seiki Co Ltd | Air vent device within case chamber of speed change gear |
| JPH09273621A (en) * | 1996-04-03 | 1997-10-21 | Daihatsu Motor Co Ltd | Breather device of automatic transmission |
| JP2005291326A (en) * | 2004-03-08 | 2005-10-20 | Mitsubishi Fuso Truck & Bus Corp | Breather device of transmission |
| KR100793703B1 (en) * | 2006-09-29 | 2008-01-11 | 현대 파워텍 주식회사 | An air breather for transmission |
| JP2008106792A (en) * | 2006-10-23 | 2008-05-08 | Toyota Motor Corp | Breather plug |
| KR20110027978A (en) * | 2009-09-11 | 2011-03-17 | 현대자동차주식회사 | Air breather assembly for automatic transmission |
| CN205089948U (en) * | 2015-09-10 | 2016-03-16 | 广州汽车集团股份有限公司 | Gearbox breather plug, gearbox breather plug mounting structure and gearbox |
| CN206368960U (en) * | 2017-01-10 | 2017-08-01 | 南京奥联新能源有限公司 | Longitudinal few shift transmission ventilation device |
| CN107869569A (en) * | 2017-11-03 | 2018-04-03 | 柳州上汽汽车变速器有限公司柳东分公司 | A kind of automatic transmission exhaust structure |
| CN209909126U (en) * | 2019-03-25 | 2020-01-07 | 陕西法士特齿轮有限责任公司 | Embedded type ventilation plug structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110219965A (en) | 2019-09-10 |
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