CN205559905U - Sealed breather valve - Google Patents
Sealed breather valve Download PDFInfo
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- CN205559905U CN205559905U CN201620148119.8U CN201620148119U CN205559905U CN 205559905 U CN205559905 U CN 205559905U CN 201620148119 U CN201620148119 U CN 201620148119U CN 205559905 U CN205559905 U CN 205559905U
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Abstract
The utility model relates to a sealed breather valve. This sealed breather valve includes: the main part, the passageway of ventilating, it extends on main part vertical and link up the main part, and on main part vertical, the passageway of ventilating is including the air vent of portion of accomodating and the both sides that are located the portion of accomodating, and the portion of accomodating is including the sealing and be located the ventilation part of sealing both sides, the piston, it is accomodate in the portion of accomodating, and the piston can remove sealing and ventilation part in the portion of accomodating, and two elastic components, its set up respectively in the piston in the vertical ascending both sides of main part and butt in piston. When the piston is in the sealing, piston and sealing sealing contact, the passageway of ventilating is cuted, when the piston was in ventilation part, the passageway of ventilating was not cuted by the piston. Thus, the utility model provides a sealed breather valve that can be used for simultaneously breathing in and exhale, be used for at this sealed breather valve under the condition of gear box, also can do not lead to gear box seal failure even the internal pressure of gear box reduces.
Description
Technical field
This utility model relates to a kind of sealing ventilation valve, relates more specifically to a kind of sealing ventilation valve for gear-box.
Background technology
Fig. 1 shows the traditional close of the gear-box for such as IWD gear-box (electric driving wheel hub-type gear case) etc.
Envelope air bleeding valve, it is similar to the operation principle sealing air bleeding valve of pressure cooker.Inside (downside in Fig. 1) pressure when gear-box
In the case of sufficiently high (the typically greater than atmospheric pressure of surrounding), the gas general that ball A will be pushed upwardly and in gear-box
It is discharged to the outside of gear-box.But when gear-box inside temperature decline and pressure reduce in the case of because ball A is not
Can produce action causes this traditional air bleeding valve that seals not have the function making gear-box suck air, therefore from gear-box
Outside air will enter along the sealing position at the output shaft of gear-box, and this can cause the seal failure of gear-box.
Utility model content
Air-breathing and the defect of expiration can not be simultaneously used for based on above sealing ventilation valve of the prior art and make this reality
With novel.This utility model adopts the following technical scheme that.
This utility model provides a kind of sealing ventilation valve, and described sealing ventilation valve includes: main part;Venting channels, institute
State venting channels at the longitudinally extending of described main part through described main part, in the longitudinal direction of described main part, described
Venting channels includes the passage of the incorporating section being positioned at centre and the both sides being positioned at described incorporating section, and described incorporating section includes
The sealing being positioned at centre and the ventilating part of the both sides being positioned at described sealing;Piston, described piston is incorporated in described storage
In portion, described piston can be along the longitudinally reciprocating motion of described main part in described incorporating section, thus described piston can
Move to described sealing and described ventilating part;And two elastic components, said two elastic component is respectively arranged at described piston
The both sides in the longitudinal direction of described main part and be all connected to described piston, when described piston is in described sealing,
Described piston contacts with described both seals, and described venting channels is truncated;When described piston is in described ventilating part, institute
State venting channels not blocked by described piston.
Preferably, form described ventilating part by forming at least one air channel at the inner peripheral surface of described incorporating section, and
And in the longitudinal direction of described main part, the sectional dimension transversely at described main part of described air channel is directed away from described
The direction of sealing becomes big.
It is highly preferred that described air channel is towards the lateral outer side depression of described main part, multiple described air channels are along institute
State the circumferentially-spaced arrangement of turning up the soil of incorporating section.
Further, it is preferable that the expansion shape of described air channel is triangle or trapezoidal.
Preferably, the inner peripheral surface of described ventilating part is integrally formed into conical surface portion so that described ventilating part in described main body
The sectional dimension transversely in portion is directed away from the direction of described sealing and becomes big.
Preferably, in the case of the air pressure of the both sides in the longitudinal direction of the described main part of described piston is identical, described bullet
Property part makes described piston be in described sealing;The air pressure of the side in the longitudinal direction of the described main part of piston is more than opposite side
Air pressure in the case of, the elastic component of described opposite side is compressed, so that described piston moves to described opposite side.
Further, it is preferable that described sealing ventilation valve is used for sealing gear-box and balancing the pressure inside and outside described gear-box,
Described main part includes: Embedded Division, and described Embedded Division is for being flush-mounted in the housing of described gear-box, and described Embedded Division is by elastic material
Material is made;And skeleton portion, described skeleton portion is arranged in described Embedded Division, and described skeleton portion is made up of rigid material.
It is more preferred to, described skeleton portion includes metal middle skeleton and is inlaid in described middle skeleton
Plastic inner frame.
It is more preferred to, the end towards the inside of described gear-box of described Embedded Division is formed with the first taper
Portion, this first taper portion highlights towards the inside of described gear-box;And/or the outside towards described gear-box of described inner frame
End be formed with the second taper portion, this second taper portion towards described gear-box outside highlight.
It is more preferred to, the end towards the outside of described gear-box of described middle skeleton is formed with flange, institute
Stating the flange lateral outer side extension towards described main part, described flange is for from the outside of described gear-box and described gear-box
Housing abut.
It is more preferred to, at described main part transversely, the sectional dimension of each described passage is less than described receipts
Receive the sectional dimension in portion.
It is more preferred to, in the longitudinal direction of described main part, in passage at least one described and described incorporating section
Between be provided with filter house.
By using technique scheme, this utility model provides a kind of sealing that can be simultaneously used for air-breathing and expiration
Breather valve.Such as, at this sealing ventilation valve in the case of gear-box, though the condition of the internal pressure reduction at gear-box
Under be also not result in that gearbox seals lost efficacy.
Accompanying drawing explanation
Fig. 1 shows the traditional schematic sectional view sealing air bleeding valve for gear-box;
Fig. 2 shows the sealing ventilation according to the first embodiment of the present utility model of the housing being installed on gear-box
The schematic sectional view of valve;
Fig. 3 shows the schematic perspective view of the sealing ventilation valve according to the first embodiment of the present utility model;
Fig. 4 shows the sealing ventilation according to the second embodiment of the present utility model of the housing being installed on gear-box
The schematic sectional view of valve;And
Fig. 5 shows the schematic perspective view of the sealing ventilation valve according to the second embodiment of the present utility model.
Description of reference numerals
10 sealing ventilation valve 11 main part 111 Embedded Division 1,111 first taper portions
The 112 middle skeletons in skeleton portion 1121 flange 1,122 second taper portion 1123
1124 inner frame 12 venting channels 121 incorporating section 1211 sealings
1212 ventilating part 13 piston 14 elastic component 15 air channels
16 filter house 17 first passage 18 second passage 20 gear-boxes
Longitudinal D2 main part of 21 housing D1 main parts horizontal
Detailed description of the invention
Below in conjunction with Figure of description, detailed description of the invention of the present utility model is described.
(the first embodiment)
Sealing ventilation valve 10 of the present utility model may be used for being flush-mounted in the housing 21 of gear-box 20.Of the present utility model
In first embodiment, as shown in Figures 2 and 3, the main part 11 of sealing ventilation valve 10 has substantially cylindrical shape, this main part
11 are made up of Embedded Division 111, middle skeleton 1123 and inner frame 1,124 3 part, wherein middle skeleton 1123 and inner frame 1124
Define skeleton portion 112.Other parts of sealing ventilation valve 10 or structure are respectively positioned on or are formed at main part 11.
As in figure 2 it is shown, Embedded Division 111 lies substantially in the outermost of main part 11, Embedded Division 111 is by such as rubber etc.
Elastomeric material is made.When sealing ventilation valve 10 is flush-mounted in housing 21 of gear-box 20, this Embedded Division 111 and gear-box
The housing 21 of 20 is closely crimped together so that whole sealing ventilation valve 10 is flush-mounted in gear-box 20 hermetically, securely
Housing 21.Middle skeleton 1123 is between Embedded Division 111 and inner frame 1124, and middle skeleton 1123 is more than Embedded Division by hardness
The rigid material of the hardness of the material of 111 is made, and is made preferably of metal.It is flush-mounted in gear-box 20 at sealing ventilation valve 10
Under the state of housing 21, the major part of middle skeleton 1123 is embedded into portion 111 and wraps up, but at middle skeleton 1123 towards tooth
The end of the outside of roller box 20 is formed with flange 1121, and this flange 1121 extends outside the horizontal D2 of main part, this flange
1121 have circulus and for abutting with the housing 21 of gear-box 20 from the outside of gear-box 20.Inner frame 1124 is in
The inner side of main part 11, inner frame 1124 more than the hardness of the material of Embedded Division 111 and is less than middle skeleton 1123 by hardness
The another kind of rigid material of hardness of material make, be preferably made up of rigid plastics, other parts of sealing ventilation valve 10
Or structure be predominantly located in or be formed at this inner frame 1124.
Further, also include venting channels 12 according to the sealing ventilation valve 10 of the first embodiment of the present utility model,
When sealing ventilation valve 10 is flush-mounted in housing 21 of gear-box 20, this venting channels 12 connects inside and outside gear-box 20
Logical.Venting channels 12 extends and through main part 11 on longitudinal D1 of main part, venting channels 12 and the outside of gear-box 20
The perforate of connection is the first passage 17, and the perforate that venting channels 12 connects with the inside of gear-box 20 is the second passage 18,
The part between the first passage 17 and the second passage 18 of venting channels 12 is as receiving following piston 13 and elasticity
The incorporating section 121 of part 14.The sealing 1211 of the substantial middle position that incorporating section 121 is included on longitudinal D1 of main part and position
Ventilating part 1212 in the both sides of sealing 1211.In the present embodiment, on the horizontal D2 of main part, the first passage 17
Sectional dimension and the sectional dimension of the second passage 18 be respectively less than the sectional dimension of incorporating section 121, in order to by following bullet
Property part 14 is installed on ventilating part 1212, between the most each passage 17,18 and sealing 1211.
In the present embodiment, being provided with piston 13 in incorporating section 121, piston 13 can be turned by providing low friction
Square and the plastics of good seal performance, rubber, metal or other material are made.This piston 13 can be due to gear-box 20 inside and outside
Pressure differential and in incorporating section 121 along main part longitudinal D1 move back and forth.Move back and forth in incorporating section 121 at piston 13
During, when piston 13 is in the sealing 1211 of incorporating section 121, piston 13 is in sealing contact with sealing 1211, thus
Block the outside gas-tight seal relative to gear-box 20 of venting channels 12, the i.e. inside of gear-box 20;When piston 13 is in storage
During the ventilating part 1212 in portion 121, form gap between periphery and the ventilating part 1212 of piston 13, thus venting channels 12 is not lived
Plug 13 blocks, and gear-box 20 is inside and outside to be turned on by venting channels 12, and then can reduce the pressure differential inside and outside gear-box 20.At tooth
In the case of not having pressure differential inside and outside roller box 20, piston 13 can be in sealing contact with the sealing 1211 of incorporating section 121, thus real
The sealing of existing gear-box 20.
It addition, be additionally provided with two elastic components 14 in incorporating section 121, the two elastic component 14 is respectively arranged at piston 13
The both sides on longitudinal D1 of main part, and one end of two elastic components 14 is connected to piston 13 and the other end is connected to respectively
Intersection between passage 17,18 and incorporating section 121.Preferably, elastic component 14 is spring, it is highly preferred that elastic component 14 is
Helical spring.In the present embodiment, incorporating section 121 is formed at inner frame 1124 and has cylindrical shape, incorporating section 121 close
Envelope portion 1211 is arranged at the approximate centre on longitudinal D1 of main part of incorporating section 121;Piston 13 has discoideus, two
The size of elastic component 14 is the most identical with structure.
Further, in the present embodiment, the inner peripheral surface in incorporating section 121 has been respectively formed on multiple air channel 15, logical
Air drain 15 all inner circumferentials from incorporating section 121 cave in outside the horizontal D2 of main part.When piston 13 due to gear-box 20 inside and outside
Pressure differential and sealing 1211 disengage and move to be formed with the position of air channel 15, air channel 15 makes ventilation logical
Road 12 turns on, thus depressurization state.In the present embodiment, the cross section chi on the horizontal D2 of main part of air channel 15
Very little (area of section) is directed away from the direction of sealing 1211 on longitudinal D1 of main part and becomes larger.Specifically, in this reality
Executing in mode, the expansion shape by the air channel 15 of that side, outside of gear-box 20 at sealing 1211 is del,
And be trapezoidal at the expansion shape by the air channel 15 of that side, inside of gear-box 20 of sealing 1211.It addition, in this reality
Executing in mode, the multiple air channels 15 in the side of sealing 1211 equally spaced arrange, certainly along the circumference of incorporating section 121
Multiple air channel 15 can also be made as required to arrange along the circumferential unequal interval of incorporating section 121.
It addition, in order to prevent foreign body (dust etc.) in sealing ventilation valve 10 venting process from entering from the outside of gear-box 20
The inside of gear-box 20, on longitudinal D1 of main part, is provided with filter house between the first passage 17 and incorporating section 121
16.Preferably, this filter house 16 is drainage screen.Further, since centrifugal force and oil in causing gear-box 20 is distributed in gear-box
On the inwall of 20, therefore the end towards the inside of gear-box 20 of Embedded Division 111 is formed with the first taper portion 1111, and this is first years old
Taper portion 111 is prominent towards the inside of gear-box 20 and oil can be made to away from close along the conical surface in the first taper portion 1111
The direction motion of envelope breather valve.
Following description has the assembling mode of sealing ventilation valve 10 of said structure, sealing ventilation valve 10 is flush-mounted in gear-box
The mounting means of the housing 21 of 20, the working method of this sealing ventilation valve 10 and beneficial effect.
In the present embodiment, Embedded Division 111 is substantially tubular with the end, forms the second passage 18 in this bottom
A part.Middle skeleton 1123 is substantially tubular flanged pin 1121, with the end, forms the second passage in this bottom
Another part of 18.By the cylinder main body (part in addition to flange 1121) of middle skeleton 1123 is flush-mounted in Embedded Division 111
Inside and centre skeleton 1123 and Embedded Division 111 are installed together.Of course, it is possible to by the periphery at middle skeleton 1123
Coating and/or then elastomeric material form Embedded Division 111.
Inner frame 1124 is inverted substantially tubular with the end, forms the first passage 17 in this bottom and for pacifying
The recess of dress filter house 16.Via this opening, 16, two elastic components 15 of filter house and piston 13 are arranged on this inner frame
In 1124.Then will be assembled with inner frame 1124 back-off of said elements in the cylinder main body of middle skeleton 1123, thus assemble
Become final sealing ventilation valve 10.Certainly, the assembling sequence of sealing ventilation valve 10 does not limit this.
Embedded Division 111 of the present utility model, middle skeleton 1123 and the simple in construction of inner frame 1124 so that each element
Assemble easily, the miniaturization of device can be effectively realized.
When the housing 21 by being flush-mounted in gear-box 20 according to the sealing ventilation valve 10 of the first embodiment of the present utility model
Time, in the hole of the housing 21 that Embedded Division 111 and middle skeleton 1123 are first pressed into (being flush-mounted in) gear-box 20, due to Embedded Division
The elastomeric material of 111 is in close contact (crimping) with the inwall in above-mentioned hole, and the oil in gear-box 20 will not be along hole and Embedded Division 111
Between air gap leakage.
Sealing ventilation valve 10 according to the first embodiment of the present utility model achieves following work process.If gear
The pressure superatmospheric of the inside of case 20, piston 13 is by by the outside promotion of gear-box 20.When piston 13 arrival is positioned at close
Envelope portion 1211 by time at the air channel 15 of that side, outside of gear-box 20, venting channels 12 turns on, the gas in gear-box 20
Spill to the outside of gear-box 20.Owing to the sectional dimension (area of section) on the horizontal D2 of main part of air channel 15 is being led
The direction being directed away from sealing 1211 on longitudinal D1 of body becomes larger, and therefore the pressure in gear-box 20 is the highest, then gas
Body leakage is the fastest.Then, when gear-box 20 internal and external pressure balance (not having pressure differential), piston 13 will return initial position with close
Envelope portion 1211 is in close contact to form sealing.In above process, the oil in gear-box 20 is possibly into (interior in venting channels 12
In skeleton 1124), the oil of this entrance will be stopped by piston 13, return gear-box 20 then along the second passage 18.If tooth
The temperature of roller box 20 reduces and makes the pressure subatmospheric of the inside of gear-box 20, and piston 13 is by by gear-box 20
Portion promotes.When piston 13 arrive be positioned at sealing 1211 by time at the air channel 15 of that side, inside of gear-box 20, ventilation is logical
Road 12 turns on, and it is internal that air initially enters gear-box 20.The sectional dimension on the horizontal D2 of main part due to air channel 15
(area of section) is directed away from the direction of sealing 1211 on longitudinal D1 of main part and becomes larger, therefore in gear-box 20
Pressure is the lowest, then air enters the fastest.Then, when gear-box 20 internal and external pressure balance (not having pressure differential), piston 13 will return
Return initial position to be in close contact to form sealing with sealing 1211.In this process, filter house 16 is prevented from dust and enters
Enter incorporating section 121.
(the second embodiment)
Fig. 4 and Fig. 5 shows the sealing ventilation valve 10 according to this utility model the second embodiment.Such as Fig. 4 and Fig. 5 institute
Showing, the difference of the sealing ventilation valve 10 of the second embodiment of the present utility model and the sealing ventilation valve 10 of the first embodiment exists
In following two aspects.On the one hand, inner frame 1124 is designed to be formed with the second cone in the end of the outside towards gear-box 20
Shape portion 1122, this second taper portion 1122 highlights towards the outside of gear-box 20 and has conical surface to prevent muddy water from entering
Enter;On the other hand, on longitudinal D1 of main part, the part in the both sides of sealing 1211 of the inner peripheral surface of incorporating section 121 is divided
Not being integrally formed into conical surface portion, this conical surface portion is as ventilating part 1212.In addition to above two aspects, of the present utility model second
The structure of the sealing ventilation valve 10 of embodiment is identical with the structure of the sealing ventilation valve 10 of the first embodiment.It addition, this reality
The housing of gear-box 20 it is flush-mounted in the assembling mode of sealing ventilation valve 10 of the second novel embodiment, sealing ventilation valve 10
The mounting means of 21 and sealing ventilation valve 10 working method and beneficial effect respectively with the first embodiment of the present utility model
Sealing ventilation valve 10 is identical
Additionally, further to the above, it is still desirable to further illustrate:
1. although only illustrating in the above content of description according to sealing ventilation valve of the present utility model 10 for tooth
Roller box 20, but purposes of the present utility model is not limited to this, it is also possible to will be used for according to sealing ventilation valve 10 of the present utility model
Other similar purposes.
2. although illustrating to be designed as the expansion shape of air channel 15 triangle (three in the above section of description
Dihedral) or trapezoidal the indulging at main part of the sectional dimension (area of section) on the horizontal D2 of main part realizing air channel 15
On D1, it is directed away from the architectural feature that the direction change of sealing 1211 is big, but this utility model is not limited to this.For example, it is possible to
The expansion shape of air channel 15 is designed as rectangle, and by make the degree of depth on the horizontal D2 of main part of air channel 15 towards
Deepen away from the direction of sealing 1211 and realize said structure feature.
3. although undeclared in the above content of description, but can be by the first passage 17 and the second passage 18
It is made for labyrinth structure, is so possible to prevent the oil within the muddy water outside gear-box 20 and gear-box 20 to enter sealing ventilation
Valve 10.
4. although undeclared in the above content of description, but the traditional air bleeding valve with labyrinth is the cleverest
Live, it is impossible to be installed to gear-box 20 housing 21 with different-thickness, and there is the sealing ventilation valve of structure of the present utility model
10 can overcome this defect.
Elastic component the most of the present utility model is not limited to helical spring, but can be elastomer or other type of spring.
In on longitudinal D1 of the main part that sealing 1211 the most of the present utility model is not limitedly formed inner frame 1124
Position, centre, it can deviate this middle position, it is, the size of two elastic components can be different.
Sealing ventilation valve 10 the most of the present utility model is not limited to the piston when the air pressure of the both sides of sealing ventilation valve 10 is equal
13 are in sealing 1211, and piston 13 can be in sealing in the case of the both sides of sealing ventilation valve 10 exist pressure differential
1211.It is, sealing ventilation valve 10 of the present utility model may be used for needs keep below or superatmospheric (or another pressure
Power) the sealing ventilation of container.
By using technique scheme, this utility model provides a kind of sealing that can be simultaneously used for air-breathing and expiration
Breather valve.Such as, at this sealing ventilation valve in the case of gear-box, though the condition of the internal pressure reduction at gear-box
Under be also not result in that gearbox seals lost efficacy.
It addition, protection domain of the present utility model is not limited to the specific embodiment of above-mentioned detailed description of the invention, as long as but
The combination of the technical characteristic meeting claim of the present utility model just fall in protection domain of the present utility model.
Claims (10)
1. a sealing ventilation valve, it is characterised in that described sealing ventilation valve includes:
Main part;
Venting channels, described venting channels is at the longitudinally extending of described main part through described main part, in described main body
In the longitudinal direction in portion, described venting channels includes the passage of the incorporating section being positioned at centre and the both sides being positioned at described incorporating section, and
And described incorporating section includes the sealing being positioned at centre and is positioned at the ventilating part of both sides of described sealing;
Piston, described piston is incorporated in described incorporating section, and described piston can be along described main body in described incorporating section
The longitudinally reciprocating motion in portion, thus described piston can move to described sealing and described ventilating part;And
Two elastic components, said two elastic component is respectively arranged at the both sides in the longitudinal direction of described main part of described piston also
And all it is connected to described piston,
When described piston is in described sealing, described piston contacts with described both seals, and described venting channels is cut
Disconnected;When described piston is in described ventilating part, described venting channels is not blocked by described piston.
Sealing ventilation valve the most according to claim 1, it is characterised in that formed extremely by the inner peripheral surface in described incorporating section
A few air channel forms described ventilating part, and in the longitudinal direction of described main part, described air channel in described main body
The sectional dimension transversely in portion is directed away from the direction of described sealing and becomes big.
Sealing ventilation valve the most according to claim 2, it is characterised in that described air channel is horizontal towards described main part
Outside depression, multiple described air channels are along the circumferentially-spaced arrangement of turning up the soil of described incorporating section.
Sealing ventilation valve the most according to claim 2, it is characterised in that the expansion shape of described air channel be triangle or
Trapezoidal.
Sealing ventilation valve the most according to claim 1, it is characterised in that the inner peripheral surface of described ventilating part is integrally formed into cone
Face so that the sectional dimension transversely at described main part of described ventilating part is directed away from the direction of described sealing and becomes
Greatly.
6. according to the sealing ventilation valve according to any one of claim 1-5, it is characterised in that described sealing ventilation valve is for close
Envelope gear-box also balances the pressure inside and outside described gear-box,
Described main part includes:
Embedded Division, described Embedded Division is for being flush-mounted in the housing of described gear-box, and described Embedded Division is made up of elastomeric material;And
Skeleton portion, described skeleton portion is arranged in described Embedded Division, and described skeleton portion is made up of rigid material.
Sealing ventilation valve the most according to claim 6, it is characterised in that described skeleton portion includes metal middle skeleton
Be inlaid in the intraskeletal plastic inner frame in described centre.
Sealing ventilation valve the most according to claim 7, it is characterised in that described Embedded Division towards in described gear-box
The end in portion is formed with the first taper portion, and this first taper portion highlights towards the inside of described gear-box;And/or
The end towards the outside of described gear-box of described inner frame is formed with the second taper portion, and this second taper portion is towards institute
The outside stating gear-box highlights.
Sealing ventilation valve the most according to claim 7, it is characterised in that described middle skeleton towards described gear-box
Outside end is formed with flange, and described flange extends towards the lateral outer side of described main part, and described flange is for from described
The outside of gear-box abuts with the housing of described gear-box.
10. according to the sealing ventilation valve according to any one of claim 1-5, it is characterised in that in the longitudinal direction of described main part
On, it is provided with filter house at passage at least one described and between described incorporating section.
Priority Applications (1)
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CN201620148119.8U CN205559905U (en) | 2016-02-26 | 2016-02-26 | Sealed breather valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620148119.8U CN205559905U (en) | 2016-02-26 | 2016-02-26 | Sealed breather valve |
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CN205559905U true CN205559905U (en) | 2016-09-07 |
Family
ID=56819267
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CN201620148119.8U Active CN205559905U (en) | 2016-02-26 | 2016-02-26 | Sealed breather valve |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106238369A (en) * | 2016-09-21 | 2016-12-21 | 苏州瑞得恩自动化设备科技有限公司 | Liquid distributing container and sweeping robot |
CN109114270A (en) * | 2018-11-01 | 2019-01-01 | 交通运输部东海航海保障中心上海航标处 | A kind of isolated pressure breather valve |
-
2016
- 2016-02-26 CN CN201620148119.8U patent/CN205559905U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106238369A (en) * | 2016-09-21 | 2016-12-21 | 苏州瑞得恩自动化设备科技有限公司 | Liquid distributing container and sweeping robot |
JP2018535079A (en) * | 2016-09-21 | 2018-11-29 | 蘇州瑞得恩光能科技有限公司Suzhou Radiant Photovoltaic Technology Co., Ltd | Liquid distribution container and cleaning robot |
CN109114270A (en) * | 2018-11-01 | 2019-01-01 | 交通运输部东海航海保障中心上海航标处 | A kind of isolated pressure breather valve |
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