CN105889471A - Large-displacement breather plug - Google Patents
Large-displacement breather plug Download PDFInfo
- Publication number
- CN105889471A CN105889471A CN201610241857.1A CN201610241857A CN105889471A CN 105889471 A CN105889471 A CN 105889471A CN 201610241857 A CN201610241857 A CN 201610241857A CN 105889471 A CN105889471 A CN 105889471A
- Authority
- CN
- China
- Prior art keywords
- sealing gasket
- connector
- dust cap
- breather plug
- shim
- 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.)
- Granted
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention provides a large-displacement breather plug which comprises a dustproof cap, a connecting body and a joint body, and the dustproof cap, the connecting body and the joint body are sequentially connected. The large-displacement breather plug further comprises a sealing gasket which is a rubber sheet with a through hole in the center, the sealing gasket is connected with the connecting body, and an air outlet of the connecting body is covered with the sealing gasket. The dustproof cap faces one side of the sealing gasket and limits the bending degree of the sealing gasket. The large-displacement breather plug is better in dustproof and waterproof effect, large in gas displacement, more reliable in performance, longer in service life and lower in cost.
Description
Technical field
The present invention relates to a kind of automobile mechanical aerofluxus breather plug field, particularly relate to the breather plug that the capacity of a kind of vehicle use is big.
Background technology
Along with highway in China carrier management constantly standardization, it is efficient, the epoch of lean running have arrived, this requires that industry will realize the higher level of profitability by measures such as Lifting Convey efficiency, reduction vehicle body deadweight, and the fuel consumption level of the reduction unit volume of goods transported.And highway freight user requires that heavy truck possesses the attributes such as high-speed overload, lightweight, fuel economy is good, the rate of attendance is high, product demand gradually shifts to high-endization.It is expected that lift-launch high-power, the heavy truck product of more gear gearbox will increasingly become main flow, such as 16 gears, 20 gears, 24 shift transmissions.
Air pressure in manual transmission is continually changing along with the situation of work, and when internal temperature increases, its pressure also can increase, and works for enabling variator to keep normally, is necessary for being adjusted by the air pressure in variator.Manual transmission all utilizes breather plug to carry out air pressure adjustment at present, and existing ventilation plug structure is to be fitted on fittings body by one piece of sheet rubber, withstands with spring.Spring is fixed by dust cap again, and dust cap blocks again fittings body.When the function of breather plug is to have gas to discharge, sheet rubber is open rapidly, after waiting gas row's light, under the promotion of spring, and sheet rubber return, again serve to sealing and dustproof effect.
Such as China Patent No. 200920265509.3 and 201210104328.9, it it is all the breather plug using spring structure, when the air pressure in variator raises, gas meeting pressuring spring in variator, the gas in variator is made to be discharged by the steam vent of breather plug, it is ensured that the air pressure in variator is consistent with atmospheric pressure.In actual use, the breather plug of spring structure there will be spring, and to cross pine or return smooth and cannot play the effect of dustproof and waterproof, spring tension and cannot the effect of aerofluxus rapidly.Dust cap, owing to being movable, also there will be the risk that the fault of card causes product function to lose efficacy.So, existing breather plug also has the place promoted.
Summary of the invention
For drawbacks described above, it is an object of the invention to provide a kind of simple in construction, both realized big degassing function, and achieved again dust-proof, waterproof breather plug, and cost is lower, to solve the technical problem of prior art.
For achieving the above object, present invention employs following technical scheme:
A kind of huge discharge breather plug, breather plug includes dust cap, connector and fittings body, described dust cap, connector and fittings body sequentially connect, also include: a sealing gasket, described sealing gasket is the rubber lamellar body having through hole in the middle of, described sealing gasket and described connector connect, and described sealing gasket covers the gas outlet of described connector；Described dust cap, towards the side of described sealing gasket, limits the degree of crook of described sealing gasket.
According to the huge discharge breather plug described in present pre-ferred embodiments, described connector is a hollow cylinder, and wherein, one end that described connector and described dust cap connect arranges a shim, and the gas outlet of described connector is divided into two parts by described shim；Described shim is towards described sealing gasket side, and the position of corresponding described through hole arranges a boss, and described boss inserts and connects described through hole；, there is radially projecting dust-proof Access Division described shim and described connector junction.
According to the huge discharge breather plug described in present pre-ferred embodiments, described dust cap is a cup, wherein, the dust-proof Access Division of the corresponding described connector of the cup anchor ring of described dust cap, connecting hole, described dust-proof Access Division and described connecting hole clamping are set；Being inwardly recessed at the bottom of the cup of described dust cap, at the described boss of corresponding described shim at the bottom of the cup of described dust cap, offer a limited impression, described boss inserts described limited impression, and the cup bottom surface of described dust cap limits the degree of crook of described sealing gasket.
According to the huge discharge breather plug described in present pre-ferred embodiments, described fittings body arranges riveting recess towards one end of described connector, and described connector arranges riveting protuberance, described riveting recess and described riveting protuberance riveting towards one end of described fittings body.
The design concept of the present invention is, develops and a is better than traditional venting plug from structure and principle.The venting plug of this structure can either ensure all functions of conventional exhaust plug, and capacity is big, has again more preferable dustproof and waterproof effect.Properties of product are more reliable, and the life-span is longer, and cost is lower.The rubber of high-quality is good option, the restoring force having had and bending endurance, and low cost.
Owing to have employed above technical characteristic so that the present invention, compared to prior art, has such advantages as and good effect:
First, the application, with simple, compact structure, had both realized big degassing function, had achieved again dust-proof, waterproof function；
The second, the application makes full use of the excellent specific property of rubber, improves product reliability and service life, and cost is lower.
Certainly, implement any one specific embodiment of present invention, might not have the technique effect of all of the above simultaneously.
Accompanying drawing explanation
Fig. 1 is the application schematic perspective view；
Fig. 2 is the application gas circulation schematic diagram；
Fig. 3 is the application cut-away diagram；
Fig. 4 is another angle cut-away diagram of the application；
Fig. 5 is the application sealing gasket schematic perspective view；
Fig. 6 is the application connector cut-away diagram；
Fig. 7 is the application dust cap cut-away diagram；
Fig. 8 is the application fittings body cut-away diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, several preferred embodiments of the present invention are described in detail, but the present invention is not restricted to these embodiments.The present invention contains any replacement, amendment, equivalent method and scheme made in the spirit and scope of the present invention.Understand thoroughly to make the public that the present invention to be had, in present invention below preferred embodiment, concrete details is described in detail, and does not has the description of these details can also understand the present invention completely for a person skilled in the art.It addition, in order to avoid the essence of the present invention is caused unnecessary obscuring, do not describe well-known method, process, flow process, element etc. in detail.
Refer to Fig. 1, Fig. 2 and Fig. 5; breather plug includes dust cap 10, connector 20 and fittings body 40; described dust cap 10, connector 20 and fittings body 40 sequentially connect; additionally; also include a sealing gasket 30; described sealing gasket 30 is the rubber lamellar body having through hole 31 in the middle of; the shape of through hole 31 can be circular, square or other shape; in the present embodiment; the shape of through hole 31 is circular; but can not be used for limiting the application, every convenient processing, the shape being beneficial to combine are all the protection domains of the application.Described sealing gasket 30 and described connector 20 connect, and described sealing gasket 30 covers the gas outlet of described connector 20；Described dust cap 10 is towards the side of described sealing gasket 30, and sealing gasket 30 connects, and limits movement and the degree of crook of described sealing gasket 30.Preferably, in order to ensure that sealing gasket 30 has the more long life-span, material to sealing gasket 30 has the requirement of correspondence, rubber uses hydrogenated nitrile-butadiene rubber, the temperature range of resistance to-40～120 DEG C, it is desirable to hardness is 75～85 Shore A, hot strength is more than 20MPa, after 200% elongation 24 hours, permanent deformation is less than 6%, to guarantee to be suitable for vehicle to meet client under any temperature environment and use requirement.
Additionally, refer to Fig. 3, Fig. 4 and Fig. 6, described connector 20 is a hollow cylinder, wherein,
One end that described connector 20 and described dust cap 10 connect arranges a shim 21, and the gas outlet of described connector 20 is divided into two parts by described shim 21；Described shim 21 is towards described sealing gasket 30 side, and the position of the through hole 31 of corresponding described sealing gasket 30 arranges a boss 22, and described boss 22 inserts the through hole 31 connecting described sealing gasket 30；It addition, described shim 21 and described connector 20 junction, there is radially projecting dust-proof Access Division 23.Described connector 20, shim 21 and boss 22 is one-body molded makes.Preferably, described connector 20, shim 21 and boss 22 are adopted made of plastic.
Also have, refer to Fig. 3, Fig. 4 and Fig. 7, described dust cap 10 is a cup, wherein, and the dust-proof Access Division 23 of the corresponding described connector 20 of the cup anchor ring of described dust cap 10, connecting hole 11 is set, described dust-proof Access Division 23 and described connecting hole 11 clamping, in design, dust-proof Access Division 23 protrudes from connector 20 surface, and connecting hole 11 can be with docile in connector 20 surface, can be by dust cap 10 and the firm connection of connector 20 after clamping；The quick effective percentage of method of this clamping; it is applicable to the dust cap 10 of plastics or metal material; but, when the dust cap 10 of metal material, it is also possible to directly flatten the opening of dust cap 10; come and connector 20 connects; therefore, dust-proof Access Division 23 and the connected mode of connecting hole 11 clamping, it is impossible to be used for limiting the application; the method that above-mentioned flattening connects, should also be the protection domain of the application.Preferably, described dust cap 10 is adopted made of plastic.
Additionally, as shown in Figure 7, it is inwardly recessed at the bottom of the cup of described dust cap 10, at the described boss 22 of corresponding described shim 21 at the bottom of the cup of described dust cap 10, offer a limited impression 12, described boss 22 inserts described limited impression 12, and the cup bottom surface of described dust cap 10 limits movement and the degree of crook of described sealing gasket 30.The mode of movement and degree of crook that dust cap 10 limits sealing gasket 30 is, as shown in Fig. 2 gas circulation schematic diagram, after boss 22 inserts limited impression 12, the outer rim of limited impression 12 is pressed on sealing gasket 30, for location sealing pad 30 and prevent sealing gasket 30 from being blown away by air-flow；Additionally, when discharging gas, the cup bottom surface downward angle of dust cap 10, it is simply that the maximum angle that sealing gasket 30 can bend, it is excessive that this angle limits is possible to prevent sealing gasket 30 to bend, and protection sealing gasket 30 is unlikely to lose, and can reach again the suitableeest capacity.Preferably, in order to ensure that sealing gasket 30, in long-term work, will not affect the life-span because deformation is excessive, disclosure satisfy that the performance of big flow simultaneously, sealing gasket 30 has been made the spacing angle of necessity by dust cap 10, it is desirable to angle 40～50 degree.It is to say, the cup bottom surface downward angle of dust cap 10 is 40 degree to 50 degree, under this scope, the longest-lived of sealing gasket 30, but can not be used for limiting the application, the limit method of every use dust cap 10 angle, should be all the protection domain of the application.
In sum, the assembling mode of the application sealing gasket 30 is, after the boss 22 of shim 21 inserts the through hole 31 of sealing gasket 30, in the limited impression 12 of the dust cap 10 that submerges, now, the outer rim of limited impression 12 is pressed on sealing gasket 30, is fixed by sealing gasket 30.Certainly, we can also make to add with screw or alignment pin the mode of upper gasket into, reaches fixing purpose, but the method that these methods do not use above-mentioned boss 22 conveniently and saves man-hour；It can however not limit the application with this, described screw or alignment pin add the mode of upper gasket, should also be the protection domain of the application.Additionally, after boss 22 inserts the through hole 31 of sealing gasket 30, it is also possible to be not inserted in the limited impression 12 of dust cap 10, the only outer rim by limited impression 12 is pressed on sealing gasket 30, is fixed by sealing gasket 30, but fixing effect be not inserted into effective.
To be said is, refer to Fig. 3, Fig. 6 and Fig. 8, described fittings body 40 arranges riveting recess 41 towards one end of described connector 20, and described connector 20 arranges riveting protuberance 24, described riveting recess 41 and described riveting protuberance 24 riveting towards one end of described fittings body 40.Riveting recess 41 and riveting protuberance 24 are ring bodies, the connection of 360 degree in fact, and the mode of this riveting is quickly effective, it is of course also possible to use the mode that spiral connects.
The benefit obtained about present techniques feature, calculates through overtesting, it can be deduced that the data of table 1 below, it is seen that, under the technical characteristic of the application, unit interval capacity is about 3 times of prior art, and effect is the best.
Table 1 flow test result
Then, the design principle of the application breather plug is said: breather plug is made up of dust cap, connector, sealing gasket and fittings body.Linking closely with dust cap fastening type structure in connector upper end, lower end is riveted with fittings body rivet pressing structure.When breather plug is in normal state, sealing gasket is fitted and connected body, makes the foreign material such as the air in the external world, dust, moisture content cannot be introduced in breather plug.When the product being connected with breather plug has gas to discharge, the internal pressure of breather plug is more than external pressure, and sealing gasket stress is pushed open, makes internal gas discharge rapidly.Spacing by dust cap of the angle that sealing gasket stress is pushed open, it is ensured that sealing gasket will not excessively bending.
In sum, owing to have employed above technical characteristic so that the present invention has such advantages as compared to prior art and good effect:
First, the application, with simple, compact structure, had both realized big degassing function, had achieved again dust-proof, waterproof function；
The second, the application makes full use of the excellent specific property of rubber, improves product reliability and service life, and cost is lower.
Invention preferred embodiment is only intended to help to illustrate the present invention.Preferred embodiment does not has all of details of detailed descriptionthe, is not intended to the detailed description of the invention that this invention is only described yet.Obviously, according to the content of this specification, can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is to preferably explain the principle of the present invention and actual application, so that skilled artisan can utilize the present invention well.The present invention is only limited by claims and four corner thereof and equivalent.Disclosed above is only presently preferred embodiments of the present invention, but is not used for limiting itself, any is familiar with those skilled in the art in the case of spiritual connotation of the present invention, the impartial change done and changing, and all should be within the scope of the present invention.
Claims (4)
1. a huge discharge breather plug, breather plug includes dust cap, connector and fittings body, and described dust cap, connector and fittings body sequentially connect, it is characterised in that also include:
One sealing gasket, described sealing gasket is that the rubber lamellar body having through hole in the middle of, described sealing gasket and described connector connect, and described sealing gasket covers the gas outlet of described connector；Described dust cap, towards the side of described sealing gasket, limits the degree of crook of described sealing gasket.
2. huge discharge breather plug as claimed in claim 1, it is characterised in that described connector is a hollow cylinder, wherein,
One end that described connector and described dust cap connect arranges a shim, and the gas outlet of described connector is divided into two parts by described shim；Described shim is towards described sealing gasket side, and the position of corresponding described through hole arranges a boss, and described boss inserts and connects described through hole；
, there is radially projecting dust-proof Access Division described shim and described connector junction.
3. huge discharge breather plug as claimed in claim 2, it is characterised in that described dust cap is a cup, wherein,
The dust-proof Access Division of the corresponding described connector of the cup anchor ring of described dust cap, arranges connecting hole, described dust-proof Access Division and described connecting hole clamping；
Being inwardly recessed at the bottom of the cup of described dust cap, at the described boss of corresponding described shim at the bottom of the cup of described dust cap, offer a limited impression, described boss inserts described limited impression, and the cup bottom surface of described dust cap limits the degree of crook of described sealing gasket.
4. huge discharge breather plug as claimed in claim 3, it is characterized in that, described fittings body arranges riveting recess towards one end of described connector, and described connector arranges riveting protuberance, described riveting recess and described riveting protuberance riveting towards one end of described fittings body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610241857.1A CN105889471B (en) | 2016-04-19 | 2016-04-19 | Huge discharge breather plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610241857.1A CN105889471B (en) | 2016-04-19 | 2016-04-19 | Huge discharge breather plug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105889471A true CN105889471A (en) | 2016-08-24 |
| CN105889471B CN105889471B (en) | 2019-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610241857.1A Active CN105889471B (en) | 2016-04-19 | 2016-04-19 | Huge discharge breather plug |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108413017A (en) * | 2018-05-23 | 2018-08-17 | 安徽虎渡科达流体机械有限公司 | A kind of gear-box abat-vent |
| CN110319335A (en) * | 2018-03-28 | 2019-10-11 | 常江浩 | A kind of ventilative oil cap of the anti-dust of waterproof |
| US20230120104A1 (en) * | 2020-02-18 | 2023-04-20 | Bayerische Motoren Werke Aktiengesellschaft | Connection Device for a Transmission Vent |
| FR3139545A1 (en) * | 2022-09-08 | 2024-03-15 | Valeo Embrayages | Pressure balancing device for mobility equipment |
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| CN205578684U (en) * | 2016-04-19 | 2016-09-14 | 浙江亿日气动科技有限公司 | Big discharge capacity breather plug |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE2637790A1 (en) * | 1976-08-21 | 1978-03-23 | Knorr Bremse Gmbh | Automotive compressed air vent valve - has flexible membrane ring section covering two circular sectioned vent chambers |
| US4794942A (en) * | 1986-07-25 | 1989-01-03 | Toyota Jidosha Kabushiki Kaisha | Air breather plug assembly for use in power transmission unit |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110319335A (en) * | 2018-03-28 | 2019-10-11 | 常江浩 | A kind of ventilative oil cap of the anti-dust of waterproof |
| CN108413017A (en) * | 2018-05-23 | 2018-08-17 | 安徽虎渡科达流体机械有限公司 | A kind of gear-box abat-vent |
| US20230120104A1 (en) * | 2020-02-18 | 2023-04-20 | Bayerische Motoren Werke Aktiengesellschaft | Connection Device for a Transmission Vent |
| US12013024B2 (en) * | 2020-02-18 | 2024-06-18 | Bayerische Motoren Werke Aktiengesellschaft | Connection device for a transmission vent |
| FR3139545A1 (en) * | 2022-09-08 | 2024-03-15 | Valeo Embrayages | Pressure balancing device for mobility equipment |
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| Publication number | Publication date |
|---|---|
| CN105889471B (en) | 2019-02-01 |
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