CN109899497A - A kind of exhaust plug structure - Google Patents
A kind of exhaust plug structure Download PDFInfo
- Publication number
- CN109899497A CN109899497A CN201910331595.1A CN201910331595A CN109899497A CN 109899497 A CN109899497 A CN 109899497A CN 201910331595 A CN201910331595 A CN 201910331595A CN 109899497 A CN109899497 A CN 109899497A
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- Prior art keywords
- circular hole
- exhaust
- exhaust plug
- ventilation circular
- pedestal
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Links
- 238000009423 ventilation Methods 0.000 claims abstract description 94
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000005291 magnetic effect Effects 0.000 claims description 9
- 230000005389 magnetism Effects 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 230000005294 ferromagnetic effect Effects 0.000 claims description 3
- 238000013022 venting Methods 0.000 abstract description 6
- 230000035699 permeability Effects 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 20
- 239000007788 liquid Substances 0.000 description 11
- 239000003595 mist Substances 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000010687 lubricating oil Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000005494 condensation Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000007872 degassing Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005307 ferromagnetism Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- PWPJGUXAGUPAHP-UHFFFAOYSA-N lufenuron Chemical compound C1=C(Cl)C(OC(F)(F)C(C(F)(F)F)F)=CC(Cl)=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F PWPJGUXAGUPAHP-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Abstract
It include pedestal, exhaust gear and defogging mechanism the invention discloses a kind of exhaust plug structure, pedestal has the first ventilation circular hole, and the first ventilation circular hole runs through pedestal；Exhaust gear includes exhaust plug body and telescopic component, and exhaust plug body is fixedly connected with pedestal, and there are exhaust plug body multiple second ventilation circular holes and cavity, telescopic component to be located in cavity；Defogging mechanism includes two grids and at least one oven wire mesh blanket, two grids are fixedly connected with pedestal, and it is located in the first ventilation circular hole, two grids are parallel to each other, oven wire mesh blanket is located between two grids, and it is formed by multiple wire mesh unit spliceds, wire mesh unit has wire mesh and wire gauze pad, the angle of the center line of the center line of wire gauze pad and the first ventilation circular hole is less than 90 °, to prevent oil seepage simultaneously, it can guarantee gearbox smooth gas discharge again, solve the technical issues of venting plug is easy permeability.
Description
Technical field
The present invention relates to the technical field of new-energy automobile speed changer more particularly to a kind of new energy speed changes
Device is vented plug structure.
Background technique
Automobile is during road traveling, the rotation of high-speed gear in speed changer, gear surface lubricating oil because of tooth
Centrifugal force that wheel high speed rotation generates and thrown away from tangential direction, due to venting plug inner cavity medium without any blockage, partial lubrication
Oil can be splashed at venting plug gas vent, then be leaked out from gas vent, cause to lubricate between gear not enough, so as to cause entire speed changer
Failure.
Summary of the invention
For the above-mentioned prior art, the purpose of the present invention is intended to provide a kind of exhaust plug structure, it is intended to solve due to lubrication
Oil is influenced gradually to be atomized by high temperature, and when mist of oil is gathered at venting plug gas vent, since temperature is lower at gas vent, mist of oil is opened
Beginning condenses into oil liquid, the technical issues of permeability phenomenon occurs.
In order to solve the above technical problems, including pedestal, exhaust gear and demisting the present invention provides a kind of exhaust plug structure
Mechanism, the pedestal have the first ventilation circular hole, and the first ventilation circular hole runs through the pedestal, and the first ventilation circular hole
Longitudinal center line and the pedestal axial centre line overlap；The exhaust gear includes being vented plug body and telescopic component,
The exhaust plug body is fixedly connected with the base, and is located at the top of the pedestal, and the exhaust plug body has multiple
Second ventilation circular hole and cavity, the telescopic component position is in the cavity；
The defogging mechanism includes two grids and at least one oven wire mesh blanket, and two grids and the pedestal, which are fixed, to be connected
It connects, and is located in the first ventilation circular hole, two grids are parallel to each other, and the oven wire mesh blanket is located at two lattice
Between grid, and being formed by multiple wire mesh unit spliceds, the wire mesh unit has wire mesh and wire gauze pad,
The angle of the center line of the center line of the wire gauze pad and the first ventilation circular hole is less than 90 °.
Wherein, the distance of two grids is no more than 2/3rds of the substructure height.
Wherein, the pedestal has screw rod and nut, and the screw rod has the screw thread closed with gearbox corresponding threaded holes, institute
It states nut to be located on the screw rod, the axial centre line overlap of the longitudinal center line of the nut and the screw rod.
Wherein, the pedestal and the exhaust plug body are integrally formed.
Wherein, multiple second ventilation circular holes are located at the side of the exhaust plug body, and are oppositely arranged, the exhaust
Mechanism further includes cock cap, and the cock cap is fixedly connected with the exhaust plug body, the longitudinal center line of the cock cap and the row
The axial centre line overlap of vent plug ontology, and the internal diameter of the cock cap is greater than the outer diameter of the exhaust plug body.
Wherein, the second ventilation circular hole is two, and two ventilation circular holes are located at the side of the exhaust plug body,
And be oppositely arranged, the pedestal has boss, and the first ventilation circular hole is located on the boss, the boss to the exhaust
The distance of plug body roof is less than the second ventilation circular hole to the distance of the exhaust plug body roof.
Wherein, the telescopic component includes mutually matched magnetic gasket and fastener, the magnetism gasket and the pedestal
It is fixedly connected, the magnetism gasket has third ventilation circular hole, the axis of the third ventilation circular hole and the first ventilation circular hole
To center line overlap, the fastener is spherical shape, and the diameter of the fastener is greater than the diameter of third ventilation circular hole, and is less than institute
The diameter of cavity is stated, and the fastener is made of ferromagnetic metal.
Wherein, the telescopic component includes rubber pad and compressed spring, the rubber pad and the base contacts, and covers conjunction
The first ventilation circular hole, the compressed spring support between the rubber pad and the roof of the exhaust plug body.
A kind of exhaust plug structure of the invention, is mounted on the top position of speed changer, when transmission duty, gear rotation
A large amount of heat can be generated, the gas expansion in gearbox causes the air pressure in gearbox to be greater than the air pressure outside gearbox,
Under the action of draught head, the relatively described first ventilation circular hole movement of the telescopic component, so that the first ventilation circular hole is opened,
Gas in gearbox is externally discharged, reaches unanimity to air pressure in case and air pressure outside case, and the telescopic component automatic cover closes institute
The first ventilation circular hole is stated, since telescopic component has the function of blocking the first ventilation circular hole, lubricating oil will not be from described the
One ventilation circular hole flows into cavity, to further avoid the case where lubricating oil is leaked from the second ventilation circular hole.Another party
Face, oil liquid heating form mist of oil, and mist of oil enters in the first ventilation circular hole, touch be placed on first ventilation first
Defogging mechanism in circular hole flows back into speed changer after condensation becomes oil liquid.Therefore, the exhaust plug structure is not in seep
Oily phenomenon, other exhaust gas continue up row, and speed changer is discharged by the second ventilation circular hole.Simultaneously as the wire mesh
The angle of the center line of the center line of wire gauze pad described in unit and the first ventilation circular hole makes the gold less than 90 °
Belong to silk screen to mutually stagger, the gas-liquid omitted at splicing gap is separated again to realize, substantially increases demisting effect
Fruit and demisting efficiency.The configuration of the present invention is simple, easy to use, antiseep effect is good, and can automatically open and cover conjunction venthole, solution
It has determined since medium, parts of lubricating oil can be splashed at venting plug gas vent without any blockage for venting plug inner cavity, then from gas vent
It leaks out, causes to lubricate between gear not enough, the technical issues of so as to cause entire TRANS PROGRAM.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the embodiment of the present invention one.
It is flexible to be vented plug structure, 10- pedestal, 20- exhaust gear, the ventilation of 11- first circular hole, 21- exhaust plug body, 22-
Component, the ventilation of 211- second circular hole, 212- cavity, 221- magnetism gasket, 222- fastener, 223- third ventilation circular hole, 12- spiral shell
Bar, 13- nut, 30- defogging mechanism, 23- cock cap, 31- grid, 32- oven wire mesh blanket, 321- wire mesh unit, 322- gold
Belong to silk screen, 323- wire gauze pad, 14- boss.
Fig. 2 is the structural schematic diagram of the embodiment of the present invention two.
It is flexible to be vented plug structure, 10- pedestal, 20- exhaust gear, the ventilation of 11- first circular hole, 21- exhaust plug body, 22-
Component, the ventilation of 211- second circular hole, 212- cavity, 224- rubber pad, 225- compressed spring, 12- screw rod, 13- nut, 30- are removed
Mist mechanism, 23- cock cap, 31- grid, 32- oven wire mesh blanket, 321- wire mesh unit, 322- wire mesh, 323- wire
Gauze pad, 14- boss.
Fig. 3 is the structural schematic diagram of defogging mechanism of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " length ", " width ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.In addition, in the description of the present invention, the meaning of " plurality " is two or more, unless otherwise specifically defined.
Fig. 1 and Fig. 3 shows the first embodiment of the invention, provides a kind of exhaust plug structure 100, including pedestal
10, exhaust gear 20 and defogging mechanism 30, the first ventilation circular hole 11 run through the pedestal 10, and the first ventilation circular hole
11 longitudinal center line and the 10 axial centre line overlap of pedestal；The exhaust gear 20 includes exhaust plug body 21 and stretches
Contracting component 22, the exhaust plug body 21 are fixedly connected with the pedestal 10, and are located at the top of the pedestal 10, the exhaust
There are plug body 21 multiple second ventilation circular holes 211 and cavity 212, the telescopic component 22 to be located in the cavity 212 described
Defogging mechanism 30 includes two grids 31 and at least one oven wire mesh blanket 32, and two grids 31 are fixed with the pedestal and connected
It connects, and is located in the first ventilation circular hole, two grids 31 are parallel to each other, and the oven wire mesh blanket 32 is located at two institutes
It states between grid 31, and is spliced by multiple wire mesh units 321, the wire mesh unit 321 has wire mesh
322 with wire gauze pad 323, the center line of the wire gauze pad 323 and it is described first ventilation circular hole center line angle
Less than 90 °, the telescopic component 22 includes mutually matched magnetic gasket 221 and fastener 222, the magnetism gasket 221 and institute
Pedestal 10 is stated to be fixedly connected, there is the magnetism gasket 221 third to ventilate circular hole 223, third ventilation circular hole 223 with it is described
The axial centre line overlap of first ventilation circular hole 11, the fastener 222 are spherical shape, and the diameter of the fastener 222 is greater than described the
The diameter of three ventilation circular holes 223, and it is less than the diameter of the cavity 212, and the fastener 222 is by ferromagnetism height and light weight
Metal is made.Preferably, the fastener is hollow metal sphere.
In the present embodiment, the exhaust plug structure 100 is mounted on the top position of speed changer, works as transmission duty
When, the telescopic component 22 includes the mutually matched magnetic gasket 221 and the fastener 222, when speed changer air pressure inside
When greater than external pressure, under the action of draught head, the fastener 222 with pushed away from the magnetic gasket 221, to open institute
Third ventilation circular hole 223 and the first ventilation circular hole 11 are stated, exhaust gas is logical by the first ventilation circular hole 11 and the third
Gas circular hole 223 enters the cavity 212, is discharged through the second ventilation circular hole 211, air pressure and the gas outside gearbox in speed changer
When pressure reaches consistent, the fastener 222 is moved in the effect of the magnetic gasket 221 to the magnetic gasket 221, to cover conjunction
The third ventilation circular hole 223 and the first ventilation circular hole 11, and then guarantee to prevent from lubricating while realizing degassing function
Oil enters, and also avoids external dust and other pollutants and enters transmission internal.On the other hand, oil liquid heats up, and forms oil
Mist, mist of oil enter in the first ventilation circular hole, touch the defogging mechanism 30 being placed in the first ventilation circular hole first,
After condensation becomes oil liquid, flow back into speed changer, therefore, the exhaust plug structure 100 is not in permeability phenomenon, other exhaust gas
Row is continued up, speed changer is discharged by the second ventilation circular hole.Simultaneously as gold described in the wire mesh unit 321
Belong to the angle of the center line of mesh pad 323 and the center line of the first ventilation circular hole less than 90 °, makes the wire mesh 322
It mutually staggers, the gas-liquid omitted at splicing gap is separated again to realize, defogging effect is substantially increased and removes
Mist efficiency.It should be noted that the material of the fastener 222 can be mounted on the position on speed changer according to the exhaust plug structure
Consider selection ferromagnetic metal material.Preferably, the centre of the magnetic gasket 221 has groove, the third ventilation circular hole
223 with the center line overlap of the magnetic gasket 221.
Fig. 2 and Fig. 3 show second of embodiments of the invention, provide a kind of exhaust plug structure 100, including pedestal
10, exhaust gear 20 and defogging mechanism 30, the first ventilation circular hole 11 run through the pedestal 10, and the first ventilation circular hole
11 longitudinal center line and the 10 axial centre line overlap of pedestal；The exhaust gear 20 includes exhaust plug body 21 and uses
In the telescopic component 22 for opening or covering conjunction the first ventilation circular hole 11, the exhaust plug body 21 and the fixed company of the pedestal 10
It connects, and is located at the top of the pedestal 10, the exhaust plug body 21 has multiple second ventilation circular holes 211 and cavity 212, institute
Stating telescopic component 22 to be located at the defogging mechanism 30 in the cavity 212 includes two grids 31 and at least one oven wire mesh blanket
32, two grids 31 are fixedly connected with the base, and are located in the first ventilation circular hole, two 31 phases of grid
Mutually parallel, the oven wire mesh blanket 32 is located between two grids 31, and by the splicing of multiple wire mesh units 321 and
There is wire mesh and wire gauze pad 323 at, the wire mesh unit 321, the center line of the wire gauze pad 323 with
For the angle of the center line of the first ventilation circular hole less than 90 °, the telescopic component 22 includes rubber pad 224 and compressed spring
225, the rubber pad 224 is contacted with the pedestal 10, and is covered and closed the first ventilation circular hole 11, and the compressed spring 225 is supported
It holds between the rubber pad 224 and the roof of the exhaust plug body 21.
In the present embodiment, the exhaust plug structure 200 is mounted on the top position of speed changer, works as transmission duty
When, the telescopic component 22 includes the rubber pad 224 and the compressed spring 225, when the air pressure in speed changer is greater than speed change
When air pressure outside device, under the action of draught head, the rubber pad 224 is pushed to move relative to the first ventilation circular hole 11,
To open the ventilation circular hole, the compressed spring 225 can play position-limiting action to the movement of the rubber pad 224, work as change
When air pressure in fast device is consistent with speed changer external pressure, the compressed spring 225 resets, and the rubber pad 224 is answered just
Beginning position, lid closes the first ventilation circular hole 11, and then guarantees to prevent lubricating oil from entering while realizing degassing function, also keeps away
Exempt from external dust and other pollutants and enters transmission internal.On the other hand, oil liquid heats up, and forms mist of oil, and mist of oil enters
In the first ventilation circular hole, the defogging mechanism 30 being placed in the first ventilation circular hole is touched first, and condensation becomes oil
After liquid, flow back into speed changer.Therefore, the exhaust plug structure 200 is not in permeability phenomenon, and other exhaust gas continue up
Speed changer is discharged by the second ventilation circular hole in row.Simultaneously as wire gauze pad described in the wire mesh unit 321
The angle of the center line of 323 center line and the first ventilation circular hole mutually staggers the wire mesh 322 less than 90 °,
The gas-liquid omitted at splicing gap is separated again to realize, substantially increases defogging effect and demisting efficiency.
As a preference of the present invention, the distance of two grids 31 is no more than 2/3rds of the substructure height.
In the present embodiment, the distance of the grid 31 is no more than 2/3rds of the substructure height, ensure that
Exhaust gas in speed changer can it is smooth by oven wire mesh blanket 32 while, mist of oil can be effectively in the oven wire mesh blanket
32 are condensed into oil liquid.
Further, the pedestal 10 has screw rod 12 and nut 13, and the screw rod 12 has and gearbox threaded hole phase
The screw thread of cooperation, the nut 13 are located on the screw rod 12, the axis of the longitudinal center line of the nut 13 and the screw rod 12
To center line overlap.
In the present embodiment, the pedestal 10 has the screw rod 12 and the nut 13, and assembly is simple, reduces work
Accessory is filled, to reduce the workload and installation, disassembly cost of tooling personnel.
Further, the pedestal 10 is integrally formed with the exhaust plug body 21.
In the present embodiment, the pedestal 10 is integrally formed with the exhaust plug body 21, and the processing is simple, reduces life
Produce cost.
Further, multiple second ventilation circular holes 211 are located at the side of the exhaust plug body 21, and set relatively
It sets, the exhaust gear 20 further includes cock cap 23, and the cock cap 23 is fixedly connected with the exhaust plug body 21, the cock cap 23
Longitudinal center line and it is described exhaust plug body 21 axial centre line overlap, and the internal diameter of the cock cap 23 be greater than the exhaust
The outer diameter of plug body 21.
In the present embodiment, the exhaust gear 20 further includes cock cap 23, and multiple second ventilation circular holes 211 are located at
The side of the exhaust plug body 21, and is oppositely arranged, and the cock cap 23, which can play, prevents dust and other pollutants from more
A second ventilation circular hole 211 enters the exhaust plug body 21；Also, since the second ventilation setting of circular hole 211 exists
The side of the exhaust plug body 21, and the diameter of the cock cap 23 is greater than the diameter of the exhaust plug body 21, cock cap 23 is not
It can cover and close multiple second ventilation circular holes 211, ring-type of the exhaust gas between the cock cap 23 and the exhaust plug body 21 is empty
Between be discharged.
Further, the second ventilation circular hole 211 is two, and two the second ventilation circular holes 211 are located at the row
The side of vent plug ontology 21, and be oppositely arranged, the pedestal 10 has boss 14, and the first ventilation circular hole 11 is located at described convex
On platform 14, the distance of the boss 14 to exhaust 21 roof of plug body is less than the second ventilation circular hole 211 and arrives the row
The distance of 21 roof of vent plug ontology.
In the present embodiment, when thering is impurity, moisture to enter the exhaust plug body 21, the second ventilation circular hole
211 designs are higher than the position of ventilation hole face in extreme lower position and the boss 14, in this way impurity, moisture while guaranteeing exhaust
Energy product will not enter in speed changer in the exhaust plug body 21.
Above disclosed is only a preferred embodiment of the present invention, cannot limit the power of the present invention with this certainly
Sharp range, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and weighs according to the present invention
Benefit requires made equivalent variations, still belongs to the scope covered by the invention.
Claims (8)
1. a kind of exhaust plug structure, it is characterised in that: including pedestal, exhaust gear and defogging mechanism, the pedestal has first
Ventilation circular hole, the first ventilation circular hole run through the pedestal, and the longitudinal center line of the first ventilation circular hole and the bottom
Seat axial centre line overlap；
The exhaust gear is fixedly connected with the base including exhaust plug body and telescopic component, the exhaust plug body, and
Positioned at the top of the pedestal, there are the exhaust plug body multiple second ventilation circular holes and cavity, the telescopic component to be located at
In the cavity；
The defogging mechanism includes two grids and at least one oven wire mesh blanket, and two grids and the pedestal, which are fixed, to be connected
It connects, and is located in the first ventilation circular hole, two grids are parallel to each other, and the oven wire mesh blanket is located at two lattice
Between grid, and being formed by multiple wire mesh unit spliceds, the wire mesh unit has wire mesh and wire gauze pad,
The angle of the center line of the center line of the wire gauze pad and the first ventilation circular hole is less than 90 °.
2. exhaust plug structure as described in claim 1, it is characterised in that: the distance of two grids is no more than the pedestal
2/3rds of height.
3. exhaust plug structure as claimed in claim 2, it is characterised in that: the pedestal has screw rod and nut, the screw rod
With the screw thread closed with speed changer corresponding threaded holes, the nut is located on the screw rod, the longitudinal center line of the nut with
The axial centre line overlap of the screw rod.
4. exhaust plug structure as claimed in claim 3, it is characterised in that: the pedestal and the exhaust plug body it is integrated at
Type.
5. exhaust plug structure as claimed in claim 4, it is characterised in that: multiple second ventilation circular holes are located at the exhaust
The side of plug body, and be oppositely arranged；The exhaust gear further includes cock cap, the cock cap and the fixed company of the exhaust plug body
It connects, the axial centre line overlap of the longitudinal center line of the cock cap and the exhaust plug body, and the internal diameter of the cock cap is greater than
The outer diameter of the exhaust plug body.
6. exhaust plug structure as claimed in claim 5, it is characterised in that: the second ventilation circular hole is two, described in two
Circular hole of ventilating is located at the side of the exhaust plug body, and is oppositely arranged, and the pedestal has boss, the first ventilation circular hole
On the boss, the distance of the boss to the exhaust plug body roof is less than the second ventilation circular hole to the row
The distance of vent plug ontology roof.
7. exhaust plug structure as claimed in any one of claims 1 to 6, it is characterised in that: the telescopic component includes cooperating
Magnetic gasket and fastener, it is described magnetism gasket be fixedly connected with the base, it is described magnetism gasket have third ventilate circular hole,
The axial centre line overlap of the third ventilation circular hole and the first ventilation circular hole, the fastener are spherical shape, the fastener
Diameter is greater than the diameter of third ventilation circular hole, and is less than the diameter of the cavity, and the fastener is by ferromagnetic metal system
At.
8. exhaust plug structure as claimed in any one of claims 1 to 6, it is characterised in that: the telescopic component include rubber pad and
Compressed spring, the rubber pad and the base contacts, and cover and close the first ventilation circular hole, the compressed spring is supported in institute
It states between rubber pad and the roof of the exhaust plug body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910331595.1A CN109899497A (en) | 2019-04-24 | 2019-04-24 | A kind of exhaust plug structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910331595.1A CN109899497A (en) | 2019-04-24 | 2019-04-24 | A kind of exhaust plug structure |
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| Publication Number | Publication Date |
|---|---|
| CN109899497A true CN109899497A (en) | 2019-06-18 |
Family
ID=66956222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910331595.1A Pending CN109899497A (en) | 2019-04-24 | 2019-04-24 | A kind of exhaust plug structure |
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| CN (1) | CN109899497A (en) |
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| CN202531801U (en) * | 2012-03-22 | 2012-11-14 | 中国石油天然气股份有限公司 | Gear case breather |
| CN104329443A (en) * | 2014-11-18 | 2015-02-04 | 四川邮科通信技术有限公司 | Venting plug of automobile transmission |
| CN204973556U (en) * | 2015-09-02 | 2016-01-20 | 上海蕲黄节能环保设备有限公司 | Take absorption tower of whirl defogging board and high -efficient silk screen defroster |
| CN207996513U (en) * | 2018-01-09 | 2018-10-23 | 衡水博顿过滤科技有限公司 | Woven wire demister |
| CN210034355U (en) * | 2019-04-24 | 2020-02-07 | 重庆青山工业有限责任公司 | Vent plug structure |
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