CN207740436U - respirator and gearbox - Google Patents
respirator and gearbox Download PDFInfo
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- CN207740436U CN207740436U CN201721884906.XU CN201721884906U CN207740436U CN 207740436 U CN207740436 U CN 207740436U CN 201721884906 U CN201721884906 U CN 201721884906U CN 207740436 U CN207740436 U CN 207740436U
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- respirator
- gas
- boss
- lid
- dust
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Abstract
The utility model is related to field of mechanical technique, disclose a kind of respirator and gearbox, gas-permeable channels up and down are offered inside the respirator body of the respirator, it is provided with dust-proof cushion in the middle part of the gas-permeable channels, labyrinth passage is formed between the respirator body and the respirator lid, the labyrinth passage is connected to the gas-permeable channels and the external world.The respiratory organ structure is simple, easy to process, ensure that the internal and external pressure balance of body structure, will not leak and leak the lubricating oil when body structure internal pressure is larger.
Description
Technical field
The utility model is related to field of mechanical technique more particularly to a kind of respirators, and it is suitable for the oil of babinet class formation
Qi leel is from being directed to a kind of gearbox.
Background technology
For babinet class formation, such as automotive automatic gear box, reduction box or main reducing gear gear-box, due to inside it
High-speed gear rotation will produce amount of heat and high pressure, and automatic transmission or the inner components and lubricating oil of retarder need
Certain air pressure, at a temperature of work, if not in time will rotation generate high pressure gas and heat discharge, gear-box can be caused
Phenomena such as sealing element premature abrasion, oil seepage and spalling shell, it is therefore necessary to by high pressure gas and heat and outside air
It exchanges, but oil leakage phenomenon cannot occur, cannot also there is extraneous dirt impurity to enter automatic gear-box or reduction box.
Currently, generally using check valve-type respirator or guiding tubular type respirator in industry.Effect there are two it is main, the
First, the air in gear-box is connected to ambient atmosphere, make to balance with ambient pressure inside gear-box, second be will be extraneous big
Dust or moisture in gas block, and are allowed to few as possible and enter in gear-box, and make the row of the oily bottom line in its internal mist of oil
Go out outside gear-box, reduce loss of lubrication and prevents pollution air.Check valve-type respirator has sealing ring in being characterized in that, single
To ventilation, it is suitable for the less big situation of speed changer internal pressure；Guiding tubular type respirator is characterized in that respirator is equipped with and draws
Conduit, but guiding tube is longer, gas mixture realizes the effect of Oil-gas Separation in guiding tube in transmission process.
In the utility model patent application No. is 201220411417.3, a kind of automatic transmission breathing is provided
Device, including the body of bolt, the body of bolt include head and screw rod, and the periphery of screw rod is equipped with screw thread, and screw rod is equipped with extension, extends
The periphery in portion is equipped with spiral oil duct, is communicated with the external world inside automatic transmission to realize, the body of bolt is equipped with venthole,
One end of venthole is connected to spiral oil duct, and the other end of venthole runs through head, and in order to easy to process, venthole is arranged in spiral shell
The surface of body, venthole include the axial notch being arranged on screw rod and the radial groove being arranged on head, axial notch
One end be connected to radial groove, the other end of axial notch is connected to spiral oil duct.In use, screw rod is solid with automatic gear-box
Fixed to connect, when the gas mixture in automatic gear-box passes through spiral oil duct, lubricating oil gradually cools down in spiral oil duct, oil gas
It is then overflowed by venthole gas part in mixture.
Above-mentioned automatic transmission is mainly realized by being connected to for spiral oil duct, axis groove and radial groove with respirator
Oil-gas Separation in automatic transmission, and when the internal pressure of speed changer is excessive, there are oil leak risks for above-mentioned technical proposal.
Utility model content
The purpose of this utility model is to provide a kind of Novel respirator and gearboxes, existing in the prior art to solve
Oil leak when pressure is excessive, oil gas separation difference phenomenon, to reach good oil gas separation effect, oil-proof, simple in structure
Technique effect.
The utility model is realized in this way：
The utility model provides a kind of respirator, which is suitable for body structure, for realizing the body structure
Interior Oil-gas Separation comprising respirator body, dust-proof cushion and respirator lid；
Wherein, gas-permeable channels up and down are offered inside the respirator body, are arranged in the middle part of the gas-permeable channels
There are dust-proof cushion, the dust-proof cushion to cover the gas-permeable channels, for preventing dust and sundries from entering inside the body structure；
The respirator lid is socketed in the respirator body top, and in the respirator body and the respirator lid
Between form labyrinth passage, the labyrinth passage be connected to the gas-permeable channels with it is extraneous.
It is that the labyrinth passage includes first passage, second channel and to being further improved for above-mentioned technical proposal
Triple channel, the gas-permeable channels, the first passage, the second channel, the third channel and the external world are sequentially communicated.
It is that the respirator body includes first boss, the first boss to being further improved for above-mentioned technical proposal
Positioned at the top of the respirator body, the top surface of the first boss is provided with radial groove, the radial groove with it is described
The first passage is formed on the bottom of respirator lid, and axial pass trough is offered on the side wall of the first boss, and the axial direction is logical
The inner wall of slot and the respirator lid forms the second channel.
It is that the respirator body includes second boss, the second boss to being further improved for above-mentioned technical proposal
Positioned at the middle part of the respirator body, and the diameter of the second boss is more than the diameter of the respirator lid, is exhaled described
The third channel is formed between the bottom of the side wall of haustorium lid and the second boss.
It is that the respirator body is internally provided with ring-shaped step, described anti-to being further improved for above-mentioned technical proposal
Dirt pad is arranged on the ring-shaped step.
It is that the dust-proof cushion top is provided with annular pressing plate to being further improved for above-mentioned technical proposal.
It is interference company between the respirator lid and the respirator body to being further improved for above-mentioned technical proposal
It connects.
It is that the lower part of the respirator body is lower interconnecting piece, the lower company to being further improved for above-mentioned technical proposal
Socket part is connected through a screw thread with the body structure.
It further includes gasket to be to being further improved for above-mentioned technical proposal, and the gasket is arranged in the respirator
Between main body and the body structure, for preventing the respirator from loosening.
The utility model also provides a kind of gearbox, is provided with according to any breathing in above-mentioned technical proposal
Device, for being detached to the oil gas in the gearbox.
The utility model has following effective effect：
Gas-permeable channels up and down are offered inside the respirator body of respirator provided by the utility model, it is described
Gas channel middle is provided with dust-proof cushion, for preventing dust and sundries from entering inside the body structure, the respirator body
Labyrinth passage is formed between the respirator lid, the labyrinth passage is connected to the gas-permeable channels and the external world.It is working
When, when the high-speed gear rotation in body structure generates a large amount of mist of oils, steam and heat, mist of oil, steam pass through gas-permeable channels
It moves upwards, a part is adsorbed on the inner wall of gas-permeable channels, flows back in body structure after cooling, another part encounters dust-proof
Pad, and dust-proof cushion can not only prevent extraneous dust impurity from entering transmission internal, can also stop mist of oil, and make it anti-
It is condensed into drop on dirt pad, finally also flows back to inside body structure；After steam and small part mist of oil pass through dust-proof cushion, then by very
Finally the external world is discharged in heat by long labyrinth passage, and the air pressure inside body structure is made to be balanced with extraneous, and small part mist of oil
It can also continue to flow back to inside body structure after cooling.The technical solution makes mist of oil by multilayer cooling blocking, and finally flows
It returns in babinet, it is therefore prevented that the generation of oil leakage phenomenon；The external world is discharged in the high pressure gas in babinet simultaneously, is made inside and outside body structure
Pressure balance, and the dust debris in outside air is prevented to enter in body structure, it ensure that the safety of body structure.Setting
There is the gearbox of above-mentioned respirator, Oil-gas Separation is more thorough, will not be leaked when transmission internal pressure is larger
Oily phenomenon, internal and external pressure balance.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, other drawings may also be obtained based on these drawings.
Fig. 1 is the overall structure diagram for the respirator that the utility model embodiment provides；
Fig. 2 is the vertical view for the respirator that the utility model embodiment provides；
Fig. 3 is the structural schematic diagram in the directions Z-Z in Fig. 2；
Fig. 4 is the structural schematic diagram in the directions X-X in Fig. 3；
Fig. 5 is the structural schematic diagram for the respirator body that the utility model embodiment provides.
Reference numeral：
1- respirator bodies；2- dust-proof cushions；3- respirator lids；4- gas-permeable channels；5- first passages；6- second is logical
Road；7- third channels；8- first boss；9- radial grooves；10- axial pass troughs；11- second boss；12- annular tables
Rank；13- annular pressing plates；Interconnecting piece under 14-；15- gaskets.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described.Obviously, it is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.Therefore, below to attached
The detailed description of the embodiments of the present invention provided in figure is not intended to limit claimed the scope of the utility model,
But it is merely representative of the selected embodiment of the utility model.Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without creative efforts belongs to the model of the utility model protection
It encloses.
It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing 1-5.It should be understood that
Specific embodiment described herein is merely to illustrate and explains the utility model is not intended to limit the utility model.
Embodiment
Attached drawing 1-3 is please referred to, the present embodiment provides a kind of respirator, which is suitable for body structure, for realizing
Oil-gas Separation in the body structure comprising respirator body 1, dust-proof cushion 2 and respirator lid 3；
Wherein, gas-permeable channels 4 up and down are offered inside the respirator body 1,4 middle part of the gas-permeable channels is set
It is equipped with dust-proof cushion 2, the dust-proof cushion 2 covers the gas-permeable channels 4, for preventing dust and sundries from entering the body structure
It is internal；
The respirator lid 3 is socketed in 1 top of the respirator body, and in the respirator body 1 and the breathing
Labyrinth passage is formed between device lid 3, the labyrinth passage is connected to the gas-permeable channels 4 and the external world.
Respirator provided in this embodiment at work, when the high-speed gear rotation in body structure generate a large amount of mist of oils,
When steam and heat, mist of oil, steam are moved upwards by gas-permeable channels, and a part is adsorbed on the inner wall of gas-permeable channels, through cooling
After flow back in body structure, another part encounters dust-proof cushion, and dust-proof cushion can not only prevent extraneous dust impurity from entering change
It inside fast case, can also stop mist of oil, and it is made to be condensed into drop on dust-proof cushion, finally also flow back to inside body structure；It steams
After vapour and small part mist of oil pass through dust-proof cushion, then by very long labyrinth passage, the external world finally is discharged in heat, makes babinet knot
Air pressure inside structure is balanced with extraneous, and small part mist of oil can also continue to flow back to inside body structure after cooling.The technology
Scheme makes mist of oil by multilayer cooling blocking, and finally flow back into babinet, it is therefore prevented that the generation of oil leakage phenomenon；Simultaneously by babinet
Interior high pressure gas discharge is extraneous, makes body structure internal and external pressure balance, and the dust debris in outside air is prevented to enter
In body structure, the safety of body structure ensure that.
Attached drawing 3 is please referred to, is to being further improved for technical solution in above-described embodiment, the labyrinth passage includes the
One channel 5, second channel 6 and third channel 7, the gas-permeable channels 4, the first passage 5, the second channel 6, described
Triple channel 7 and the external world are sequentially communicated.
Attached drawing 3-4 is please referred to, is the respirator body packet to being further improved for technical solution in above-described embodiment
First boss 8 is included, the first boss 8 is located at the top of the respirator body 1, and the top surface of the first boss 8 is provided with
The first passage 5 is formed on radial groove 9, the radial groove 9 and the bottom of the respirator lid 3, the first boss 8
Axial pass trough 10 is offered on side wall, the axial pass trough 10 and the inner wall of the respirator lid 3 form the second channel 6.
Attached drawing 3-4 is please referred to, the respirator body includes second boss 11, and the second boss 11 is located at described exhale
The middle part of haustorium main body 1, and the diameter of the second boss 11 is more than the diameter of the respirator lid 3, in the respirator lid 3
Side wall bottom and the second boss 11 between form the third channel 7.
Axis is arranged by the way that radial groove is arranged at the top of respirator body, in the side wall of respirator body in above-described embodiment
First passage and second channel are formed to straight slot, and with respirator lid, so that mist of oil is successively flowed radial and axial, increases
Its stroke, ensure mist of oil can the big condensation of most great achievement flow back, and above structure is simple, it is only necessary at the top of respirator body
Radial groove is opened up, the axial pass trough being connected to radial groove is processed in its outer wall, it is simple in structure, it is easy to process, thoroughly
Gas effect is good.
When specific processing, the diameter of second boss is less times greater than the diameter of respirator lid, the side wall of respirator lid and first
The side wall of boss closely connects, and an annular groove is formed between first boss and second boss, and the length of third channel depends on
In the depth of the annular groove.
It is interference company between the respirator lid 3 and the respirator body 1 to being further improved for above-mentioned technical proposal
It connects.
It can be also attached by modes such as screw threads between respirator lid and respirator body.
In order to ensure the compactness of connection, gas leakage is prevented, respirator lid is connected to respirator body by interference connector sleeve
On.
Attached drawing 3,5 is please referred to, is to being further improved for technical solution in above-described embodiment, in the respirator body 1
Portion is provided with ring-shaped step 12, and the dust-proof cushion 2 is arranged on the ring-shaped step 12.Meanwhile it being set on 2 top of the dust-proof cushion
It is equipped with annular pressing plate 13.The dust-proof cushion 2 to be pushed down.Preferably, by the outer diameter of annular pressing plate, the outer diameter, anti-of ring-shaped step
The diameter of dirt pad is set as equal, and the internal diameter of annular pressing plate is set as equal with the diameter of gas-permeable channels.
Dust-proof cushion can not only prevent extraneous dust impurity from entering transmission internal, can also stop mist of oil, and make it
It is condensed into drop on dust-proof cushion, finally also flows back to inside body structure.It is opened by the centre position inside respirator body
If a ring-shaped step, and dust-proof cushion diameter is set as equal with ring-shaped step outer diameter, it is then placed on ring-shaped step, by position
Gas-permeable channels in dust-proof cushion lower part are completely covered.
Attached drawing 3 is please referred to, the lower part of the respirator body 1 is lower interconnecting piece 14, the lower interconnecting piece 14 and the case
Body structure is connected through a screw thread.
Under normal circumstances, respirator is vertically arranged on body structure, mist of oil, steam is made to move upwards, can by
It is threaded on the lower interconnecting piece of the lower part of respirator body and is attached by screw thread with body structure, it also can be by directly will
The lower part of respirator body is connect with body structure interference.
Attached drawing 3,5 is please referred to, is that a gasket can also be set to being further improved for technical solution in above-described embodiment
15, the gasket 15 is arranged between the respirator body 1 and the body structure, for preventing the respirator pine
It is dynamic.
When specific setting, can one annular groove be set in the lower part of second boss 11, gasket is arranged recessed in the annular
In slot, it is further ensured that the compactness that respirator is connect with body structure, ensures in the case of big pressure, in body structure
It is not in oil leakage phenomenon.
The concrete operating principle of the respirator of the present embodiment is that air-fuel mixture gas passes through longer ventilative in body structure
A part is adsorbed by respirator body inner wall after straight slot, then encounters dust-proof cushion again, dust-proof cushion stops most mist of oils, gas
Body and heat continue up, by labyrinth passage, i.e., radial first passage, axial second channel and connection it is extraneous the
Triple channel, realize gas and heat outer row, extraneous low-pressure air is flowed into along above-mentioned negative direction, at dust-proof cushion, dust with
Impurity is blocked, and prevents it from entering body structure internal damage inner components, clean gas is eventually by gas-permeable channels
Into inside body structure, realizes the balance of body structure inner and outer air pressure, ensure the safety of body structure.
The present embodiment provides a kind of gearbox, it is provided with according to any breathing in above-described embodiment technical solution
Device, for being detached to the oil gas in the gearbox.
It, can be by high pressure mist of oil, the heat in gearbox by the respirator being arranged on gearbox in above-described embodiment
Outwardly be discharged, and finally flowed back in gearbox again after so that mist of oil is condensed, and heat and high pressure gas can by gas-permeable channels with
Labyrinth passage drains into the external world, and realization is exchanged with outside air.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it
System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should
Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of respirator, which is characterized in that the respirator is suitable for body structure, for realizing the oil in the body structure
Qi leel from comprising respirator body, dust-proof cushion and respirator lid；
Wherein, gas-permeable channels up and down are offered inside the respirator body, are provided in the middle part of the gas-permeable channels anti-
Dirt pad, the dust-proof cushion cover the gas-permeable channels, for preventing dust and sundries from entering inside the body structure；
The respirator lid is socketed in the respirator body top, and between the respirator body and the respirator lid
Labyrinth passage is formed, the labyrinth passage is connected to the gas-permeable channels and the external world.
2. respirator according to claim 1, which is characterized in that the labyrinth passage includes first passage, second logical
Road and third channel, the gas-permeable channels, the first passage, the second channel, the third channel and the external world connect successively
It is logical.
3. respirator according to claim 2, which is characterized in that the respirator body includes first boss, and described
One boss is located at the top of the respirator body, and the top surface of the first boss is provided with radial groove, the radial groove
The first passage is formed with the bottom of the respirator lid, axial pass trough is offered on the side wall of the first boss, it is described
The inner wall of axial pass trough and the respirator lid forms the second channel.
4. respirator according to claim 2, which is characterized in that the respirator body includes second boss, and described
Two boss are located at the middle part of the respirator body, and the diameter of the second boss is more than the diameter of the respirator lid,
The third channel is formed between the bottom and the second boss of the side wall of the respirator lid.
5. respirator according to claim 1, which is characterized in that the respirator body is internally provided with ring-shaped step,
The dust-proof cushion is arranged on the ring-shaped step.
6. respirator according to claim 5, which is characterized in that the dust-proof cushion top is provided with annular pressing plate.
7. respirator according to claim 1, which is characterized in that mistake between the respirator lid and the respirator body
It is full of connection.
8. respirator according to claim 1, which is characterized in that the lower part of the respirator body is lower interconnecting piece, institute
Lower interconnecting piece is stated to be connected through a screw thread with the body structure.
9. respirator according to claim 8, which is characterized in that further include gasket, the gasket is arranged described
Between respirator body and the body structure, for preventing the respirator from loosening.
10. a kind of gearbox, which is characterized in that be provided with according to claim 1-9 any one of them respirators, for pair
Oil gas in the gearbox is detached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721884906.XU CN207740436U (en) | 2017-12-28 | 2017-12-28 | respirator and gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721884906.XU CN207740436U (en) | 2017-12-28 | 2017-12-28 | respirator and gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207740436U true CN207740436U (en) | 2018-08-17 |
Family
ID=63120631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721884906.XU Active CN207740436U (en) | 2017-12-28 | 2017-12-28 | respirator and gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207740436U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111853211A (en) * | 2020-06-23 | 2020-10-30 | 义乌吉利自动变速器有限公司 | Breathing device of transmission, assembling method and vehicle |
| CN111878608A (en) * | 2020-07-24 | 2020-11-03 | 昆山艾巴马机电工业有限公司 | Breather valve for air compressor |
| CN112186971A (en) * | 2020-08-25 | 2021-01-05 | 南京理工大学 | Heat dissipation and ventilation labyrinth structure for rotating motor |
| FR3139545A1 (en) * | 2022-09-08 | 2024-03-15 | Valeo Embrayages | Pressure balancing device for mobility equipment |
-
2017
- 2017-12-28 CN CN201721884906.XU patent/CN207740436U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111853211A (en) * | 2020-06-23 | 2020-10-30 | 义乌吉利自动变速器有限公司 | Breathing device of transmission, assembling method and vehicle |
| CN111878608A (en) * | 2020-07-24 | 2020-11-03 | 昆山艾巴马机电工业有限公司 | Breather valve for air compressor |
| CN112186971A (en) * | 2020-08-25 | 2021-01-05 | 南京理工大学 | Heat dissipation and ventilation labyrinth structure for rotating motor |
| FR3139545A1 (en) * | 2022-09-08 | 2024-03-15 | Valeo Embrayages | Pressure balancing device for mobility equipment |
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