CN106352055A - Automobile gearbox air exhausting device - Google Patents
Automobile gearbox air exhausting device Download PDFInfo
- Publication number
- CN106352055A CN106352055A CN201611089719.2A CN201611089719A CN106352055A CN 106352055 A CN106352055 A CN 106352055A CN 201611089719 A CN201611089719 A CN 201611089719A CN 106352055 A CN106352055 A CN 106352055A
- Authority
- CN
- China
- Prior art keywords
- venting plug
- air exhausting
- aerofluxuss
- plug cover
- cock body
- 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.)
- Pending
Links
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
-
- 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
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
Abstract
The invention provides an automobile gearbox air exhausting device with smaller dissipation energy. An air exhausting passage in an air exhausting plug body of an air exhausting plug penetrates through the upper end and the lower end of the air exhausting plug body; an annular bulge radially extending outwards from the air exhausting plug body is arranged on the top end of the air exhausting plug body; the inner diameter of an air exhausting plug cover cavity body of an air exhausting plug cover is slightly larger than the outer diameter of the annular bulge of the air exhausting plug body of the air exhausting plug; at least three connecting bulges on the lower end of the air exhausting plug cover cavity body of the air exhausting plug cover are connected with the annular bulge of the air exhausting plug body of the air exhausting plug; gaps exist among parts,except the connecting parts, along a circumferential direction, between the lower end of the air exhausting plug cover cavity body of the air exhausting plug cover, and the annular bulge of the air exhausting plug body of the air exhausting plug; a spring on the upper part and a baffle plate on the lower part are placed between the air exhausting plug cover cavity body of the air exhausting plug cover and the annular bulge of the air exhausting plug; the diameter of the baffle plate is larger than the inner diameter of the upper part of the air exhausting passage and is smaller than the inner diameter of the air exhausting plug cover cavity body.
Description
Technical field
The present invention relates to automotive transmission is and in particular to a kind of automotive transmission exhaust apparatus.
Background technology
As it is known by the man skilled in the art that during automotive transmission workmanship, the temperature of the fluid in its transmission case body will
Change with the change of the caused internal air volume of the operating of the moving components such as the various gears in transmission case body, its
Will difference with extraneous atmospheric pressure, atmospheric temperature in internal air pressure and temperature, i.e. so-called air pumping effect.This pump gas
Effect can consumed energy.In order to reduce this portion of energy consumption, automotive transmission is typically provided with inside connection mission case
With outside exhaust apparatus, one is to connect the air within mission case with ambient atmosphere, makes the sky in transmission case body
The atmospheric pressure air external with transmission case keeps balance, thus ensureing variator normal work；Two is by ambient atmosphere
Dust, dirty particles or moisture block, and avoid enter in transmission case body to the fluid in transmission case body and various tooth as far as possible
The moving components such as wheel pollute；Three is that oily minimally in the mist of oil preventing in transmission case body is discharged in variator
Outside casing, reduce the loss of the oil in transmission case body, extend the service life of transmission case.
At present, the exhaust apparatus that automotive transmission is used, including venting plug.As shown in figure 1, under this venting plug 1 includes
End is connected with gearbox body 2 and is located at the aerofluxuss cock body 10 outside mission case 2, and the lower end by aerofluxuss cock body 10 and
The inside connection of mission case 2 and by aerofluxuss cock body 10 upper end both sides and mission case 2 ft connection aerofluxuss
Passage 11.The technical problem existing for automotive transmission exhaust apparatus of this structure is；By the exhaust passage 11 of venting plug 1
The inside of mission case 2 is made to be communicated with the outside and connect, the fluid steam within mission case 2 will be directly by by venting plug
In the lower end entrance exhaust passage 11 of 1 aerofluxuss cock body 10, then by aerofluxuss cock body 10 upper end both sides from exhaust passage 11
To the outside volatilization of mission case 2, as indicated by the dashed arrow in fig. 1, lead to the consumed energy of automotive transmission more.With
When, dust in outside air, dirty particles or moisture etc. may be along the direction contrary with dotted arrow in Fig. 1 by aerofluxuss
Again intake and exhaust channel is passed through by the lower end of aerofluxuss cock body 10 in the both sides entrance exhaust passage 11 of the upper end of aerofluxuss cock body 10 of plug 1
11 inside entering into mission case 2, cause the lubricating oil in mission case 2 to lose efficacy or inner body corrosion, anti-pollution
Effect is also poor, for a long time so, transmission function will be led to lose efficacy.
Content of the invention
The technical problem to be solved in the present invention is to provide that a kind of consumed energy is less, preventing polluting effect is also preferable, so as to
Enough improve the automotive transmission exhaust apparatus in automotive transmission life-span.
For solving above-mentioned technical problem, automotive transmission exhaust apparatus of the present invention, including venting plug, described venting plug includes
Lower end is connected with gearbox body and is located at the aerofluxuss cock body of transmission case external body, and the lower end by aerofluxuss cock body and variator
The exhaust passage of the inside connection of casing, is characterized in that: also include venting plug cover, spring and barrier piece,
Described venting plug cover include the venting plug cover chamber body comprising lower ending opening and from this venting plug cover chamber body lower end radial direction to
The venting plug cover body of at least three connection bumps of interior extension,
The upper and lower side of the exhaust passage insertion aerofluxuss cock body in the venting plug body of described venting plug, sets on the top of this aerofluxuss cock body
There is the annular projection being extended radially outwardly by aerofluxuss cock body,
The internal diameter of the venting plug cover chamber body of described venting plug cover be slightly larger than venting plug the external diameter of the annular projection of aerofluxuss cock body and
At least three connection bumps of the lower end of venting plug cover chamber body of venting plug cover are connected with the annular projection of the aerofluxuss cock body of venting plug
Connect and circumferentially part, the lower end of venting plug cover chamber body of venting plug housing and the venting plug of venting plug outside this junction
There is gap between the annular projection of body,
Described spring upper, barrier piece lower the venting plug cover chamber body being positioned over venting plug cover and venting plug annular projection it
Between and the top with diameter greater than exhaust passage of barrier piece internal diameter be less than venting plug cover chamber body internal diameter.
Preferably, described spring is helical spring.
Preferably, described barrier piece is made up of foil.
Preferably, described barrier piece is made up of elastomeric material.
Preferably, described barrier piece is made up of rubber.
Preferably, the exhaust passage in the venting plug body of described venting plug is less than the stairstepping of bottom for top.
The present invention comprises following beneficial effect；
Due to also including venting plug cover, spring and barrier piece,
Described venting plug cover include the venting plug cover chamber body comprising lower ending opening and from this venting plug cover chamber body lower end radial direction to
The venting plug cover body of at least three connection bumps of interior extension, the exhaust passage insertion aerofluxuss in the venting plug body of described venting plug
The upper and lower side of cock body, is provided with the annular projection being extended radially outwardly by aerofluxuss cock body, described aerofluxuss on the top of this aerofluxuss cock body
The internal diameter of the venting plug cover chamber body of plug cover is slightly larger than the external diameter of the annular projection of aerofluxuss cock body of venting plug and the row of venting plug cover
At least three connection bumps of the lower end of vent plug cover chamber body are connected and in this connection with the annular projection of the aerofluxuss cock body of venting plug
The annular projection of the circumferentially aerofluxuss cock body of part, the lower end of venting plug cover chamber body of venting plug cover and venting plug outside place it
Between there is gap, described spring is positioned over the venting plug cover chamber body of venting plug cover and the ring of venting plug in upper, barrier piece lower
The internal diameter between the shape projection and top with diameter greater than exhaust passage of barrier piece is less than the internal diameter of venting plug cover chamber body.Then,
When being more than the atmospheric pressure in gearbox body when the pressure of outside air, the pressure of outside air is by the row by vent plug housing
The gap circumferentially existing between the lower end of vent plug housing body and the aerofluxuss cock body of venting plug and the venting plug cover that enters vent plug cover
The venting plug cover chamber body of body is interior and transmits barrier piece, makes barrier piece block the top of the exhaust passage in the venting plug body of venting plug
Portion.So, outside dust, dirty particles or moisture etc. would not pass through the lower end of vent plug housing body and the aerofluxuss of vent plug housing
The gap that circumferentially exists between the aerofluxuss cock body of plug and enter in gearbox body, dirt is caused to the lubricating oil in transmission case body
Dye lost efficacy or caused corrosion to the part in transmission case body.Thus, preventing polluting effect preferably, and can improve gearbox body
Service life, and then improve the service life of variator.And it is less than the atmospheric pressure in gearbox body when the pressure of outside air
When, the pressure in gearbox body will apply an outside thrust to barrier piece and spring, and makes barrier piece leave venting plug
The top of the exhaust passage of aerofluxuss cock body.So, the inside of mission case just with ft connection but the inside of mission case
Will soon balance with external pressure and outside air pressure quickly again can more than internal air pressure, will repeat above-mentioned when outside
Air pressure is more than the process of the air pressure inside of mission case；Thus it is therefore prevented that the lubricating oil of mission case 2 seldom can be with interior
Portion's air-flow outwards volatilizees, and then consumed energy is less.
Brief description
Fig. 1 is the structural representation of the automotive transmission exhaust apparatus of prior art；
Fig. 2 is the structural representation of the present invention；
Fig. 3 is the a-a of Fig. 2 to sectional view.
Specific embodiment
Below in conjunction with the accompanying drawings the preferred embodiment of the present invention is elaborated.
Referring to Fig. 2 and Fig. 3, automotive transmission exhaust apparatus of the present invention, including venting plug 1, described venting plug 1 includes lower end
It is connected with gearbox body 2 and be located at the aerofluxuss cock body 10 outside mission case 2, and the lower end by aerofluxuss cock body 10 and speed change
The exhaust passage 11 of the inside connection of device casing 2.From Fig. 2 and Fig. 3, the present invention includes venting plug cover 12, spring 3 and barrier
Piece 4, described venting plug cover 12 includes the venting plug cover chamber body 121 comprising lower ending opening and by under this venting plug cover chamber body 121
Hold the venting plug cover body 120 of at least three connection bumps 122 extending radially inwardly, in the aerofluxuss cock body 10 of described venting plug 1
Exhaust passage 11 insertion aerofluxuss cock body 10 upper and lower side, the top of this aerofluxuss cock body 10 be provided with from aerofluxuss cock body 10 radial direction to
The annular projection 13 of outer extension, the internal diameter of the venting plug cover chamber body 121 of described venting plug cover 12 is slightly larger than the venting plug of venting plug 1
At least three connection bumps of the lower end of venting plug cover chamber body 121 of the external diameter of annular projection 13 of body 10 and venting plug cover 12
122 are connected with the annular projection 13 of the aerofluxuss cock body 10 of venting plug 1 and circumferentially part, venting plug cover outside this junction
There is gap 14 between 12 lower end of venting plug cover chamber body 120 and the annular projection 13 of aerofluxuss cock body 10 of venting plug 1, described
Spring 3 upper, barrier piece 4 lower the venting plug cover chamber body 121 being positioned over venting plug cover 12 and venting plug 1 annular projection 13
Between and the top with diameter greater than exhaust passage 11 of barrier piece 4 internal diameter be less than venting plug cover chamber body 121 internal diameter.Such one
Come, when being more than the atmospheric pressure in gearbox body 2 when the pressure of outside air, the pressure of outside air will be by venting plug cover
Gap 14 that the annular projection 13 of 12 lower end of venting plug cover body 120 and the aerofluxuss cock body 10 of venting plug 1 circumferentially exists and
In the venting plug cover chamber body 121 of the aerofluxuss cover body 120 entering venting plug cover 12 and transmit every to catch 4, making barrier piece 4 row of blocking
The top of the exhaust passage 11 in the aerofluxuss cock body 10 of vent plug 1.Then, outside dust, dirty particles or moisture etc. would not
Circumferentially deposited by the annular projection 13 of the lower end of the venting plug cover body 120 of venting plug cover 12 and the aerofluxuss cock body 10 of venting plug 1
Gap 14 enter in gearbox body 2 according to the contrary direction of dotted arrow as shown in Figure 2, in mission case 2
Lubricating oil pollute inefficacy or corrosion is caused to the part in mission case 2.Thus, preventing polluting effect is preferable, and energy
Enough improve the service life of gearbox body 2, and then improve the service life of variator.And become when the pressure of outside air is less than
During atmospheric pressure in fast casing 2, the pressure in gearbox body 2 will apply an outside thrust to barrier piece 4 and spring 3, and
Barrier piece 4 is made to leave the top of the exhaust passage 11 in the aerofluxuss cock body 10 of venting plug 1.So, the inside of mission case 2 is just
With ft connection but the inside of mission case 2 will soon balance with outside air pressure and the air pressure of outside can be more than quickly again
Internal air pressure, will repeat above-mentioned to be more than the process of the air pressure inside of mission case 2 when external pressure；Thus, prevent
The lubricating oil of mission case 2 seldom outwards can volatilize along the direction of dotted arrow as shown in Figure 2 with internal gas flow,
And then consumed energy is less.
From Figure 2 it can be seen that described spring 3 is helical spring.This makes relatively simple for structure and elastic preferable, the energy of spring 3
Enough preferable elastic force is applied to barrier piece 4 such that it is able to make barrier piece 4 be more than inside it in the external pressure of mission case 2
Air pressure or contrary when, block or leave the top of the exhaust passage 11 of venting plug 1, play preferable effect.
Described barrier piece 4 is made up of foil.This make barrier piece 4 barrier effect preferable.
Described barrier piece 4 is made up of elastomeric material.This is again such that the barrier effect of barrier piece 4 is preferable.
Described barrier piece 4 is made up of rubber.This similarly make barrier piece 4 barrier effect preferable.
From Figure 2 it can be seen that the exhaust passage 11 in the aerofluxuss cock body 10 of described venting plug 1 is less than the ladder of bottom for top
Shape.So, inside mission case 2, the lubricant mist due to vaporization at high temperature just can coagulate on the inwall of exhaust passage 11
Form and be relatively rapidly back to inside mission case 2 during fluid, thus preventing oil in the mist of oil in mission case 2
It is discharged lower bound degree outside mission case 2, reduces the loss of the oil in mission case 2, reduce oil consumption and energy loss.
Above in conjunction with accompanying drawing, the preferred embodiment of the present invention is elaborated, but the present invention be not limited to above-mentioned
Embodiment, in the ken that art those of ordinary skill possesses, can also be without departing from ancestor of the present invention
On the premise of purport, various changes can be made.
Claims (6)
1. a kind of automotive transmission exhaust apparatus, including venting plug (1), described venting plug (1) includes lower end and gearbox body (2)
Connect and be located at the outside aerofluxuss cock body (10) of mission case (2), and the lower end by aerofluxuss cock body (10) and transmission case
The exhaust passage (11) of the inside connection of body (2), is characterized in that: also include venting plug cover (12), spring (3) and barrier piece (4),
Described venting plug cover (12) comprises venting plug cover chamber body (121) of lower ending opening and by this venting plug cover chamber body
(121) the venting plug cover body (120) of at least three connection bumps (122) that lower end extends radially inwardly,
The upper and lower side of exhaust passage (11) insertion aerofluxuss cock body (10) in the aerofluxuss cock body (10) of described venting plug (1), at this
The top of aerofluxuss cock body (10) is provided with the annular projection (13) being extended radially outwardly by aerofluxuss cock body (10),
The internal diameter of venting plug cover chamber body (121) of described venting plug cover (12) is slightly larger than the aerofluxuss cock body (10) of venting plug (1)
At least three connection bumps of the lower end of venting plug cover chamber body (121) of the external diameter of annular projection (13) and venting plug cover (12)
(122) be connected with the annular projection (13) of the aerofluxuss cock body (10) of venting plug (1) and outside this junction circumferentially part,
The lower end of venting plug cover chamber body (120) of venting plug housing (12) and the annular projection of the aerofluxuss cock body (10) of venting plug (1)
(13) there is gap (14) between,
Described spring (3) is in upper, barrier piece (4) in lower venting plug cover chamber body (121) being positioned over venting plug cover (12) and row
Between the annular projection (13) of vent plug (1) and the internal diameter on the top with diameter greater than exhaust passage (11) of barrier piece (4), less than row
The internal diameter of vent plug cover chamber body (121).
2. automotive transmission exhaust apparatus according to claim 1, is characterized in that: described spring (3) is helical spring.
3. automotive transmission exhaust apparatus according to claim 1, is characterized in that: described barrier piece (4) is by foil
Make.
4. automotive transmission exhaust apparatus according to claim 1, is characterized in that: described barrier piece (4) is by elastomeric material
Make.
5. automotive transmission exhaust apparatus according to claim 1, is characterized in that: described barrier piece (4) is made up of rubber.
6. automotive transmission exhaust apparatus according to any one of claim 1 to 5, is characterized in that: described venting plug (1)
Aerofluxuss cock body (10) in exhaust passage (11) for top be less than bottom stairstepping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611089719.2A CN106352055A (en) | 2016-12-01 | 2016-12-01 | Automobile gearbox air exhausting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611089719.2A CN106352055A (en) | 2016-12-01 | 2016-12-01 | Automobile gearbox air exhausting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106352055A true CN106352055A (en) | 2017-01-25 |
Family
ID=57863013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611089719.2A Pending CN106352055A (en) | 2016-12-01 | 2016-12-01 | Automobile gearbox air exhausting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106352055A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594241A (en) * | 2017-02-09 | 2017-04-26 | 重庆青山工业有限责任公司 | Automobile transmission exhaust device |
| CN107355529A (en) * | 2017-06-28 | 2017-11-17 | 唐红荣 | Gearbox venting plug and its installation method |
| CN110792759A (en) * | 2019-11-04 | 2020-02-14 | 安徽江淮汽车集团股份有限公司 | Normally open type speed changer ventilation plug |
| CN111120634A (en) * | 2020-02-28 | 2020-05-08 | 重庆长安汽车股份有限公司 | Diaphragm type air vent |
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| KR20060011358A (en) * | 2004-07-30 | 2006-02-03 | 현대자동차주식회사 | Air-breather of transmission |
| KR20110113300A (en) * | 2010-04-09 | 2011-10-17 | 현대위아 주식회사 | Air-breather of transmission |
| CN203627743U (en) * | 2013-11-28 | 2014-06-04 | 长城汽车股份有限公司 | Ventilation plug for gearbox |
| CN204004624U (en) * | 2014-06-24 | 2014-12-10 | 比亚迪股份有限公司 | Breather plug |
| CN204403341U (en) * | 2014-12-19 | 2015-06-17 | 徐州徐工传动科技有限公司 | A kind of porous plug |
| CN205978370U (en) * | 2016-08-12 | 2017-02-22 | 重庆长安汽车股份有限公司 | Reduction gear core vent |
| CN206555405U (en) * | 2016-12-01 | 2017-10-13 | 重庆青山工业有限责任公司 | A kind of automotive transmission exhaust apparatus |
-
2016
- 2016-12-01 CN CN201611089719.2A patent/CN106352055A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060011358A (en) * | 2004-07-30 | 2006-02-03 | 현대자동차주식회사 | Air-breather of transmission |
| KR20110113300A (en) * | 2010-04-09 | 2011-10-17 | 현대위아 주식회사 | Air-breather of transmission |
| CN203627743U (en) * | 2013-11-28 | 2014-06-04 | 长城汽车股份有限公司 | Ventilation plug for gearbox |
| CN204004624U (en) * | 2014-06-24 | 2014-12-10 | 比亚迪股份有限公司 | Breather plug |
| CN204403341U (en) * | 2014-12-19 | 2015-06-17 | 徐州徐工传动科技有限公司 | A kind of porous plug |
| CN205978370U (en) * | 2016-08-12 | 2017-02-22 | 重庆长安汽车股份有限公司 | Reduction gear core vent |
| CN206555405U (en) * | 2016-12-01 | 2017-10-13 | 重庆青山工业有限责任公司 | A kind of automotive transmission exhaust apparatus |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594241A (en) * | 2017-02-09 | 2017-04-26 | 重庆青山工业有限责任公司 | Automobile transmission exhaust device |
| CN107355529A (en) * | 2017-06-28 | 2017-11-17 | 唐红荣 | Gearbox venting plug and its installation method |
| CN107355529B (en) * | 2017-06-28 | 2023-10-27 | 固合工程材料(江苏)有限公司 | Gearbox vent plug and installation method thereof |
| CN110792759A (en) * | 2019-11-04 | 2020-02-14 | 安徽江淮汽车集团股份有限公司 | Normally open type speed changer ventilation plug |
| CN110792759B (en) * | 2019-11-04 | 2021-03-16 | 安徽江淮汽车集团股份有限公司 | Normally open type speed changer ventilation plug |
| CN111120634A (en) * | 2020-02-28 | 2020-05-08 | 重庆长安汽车股份有限公司 | Diaphragm type air vent |
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| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170125 |
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| RJ01 | Rejection of invention patent application after publication |