CN206988493U - Isolation-type breather valve and hot water storage tank - Google Patents
Isolation-type breather valve and hot water storage tank Download PDFInfo
- Publication number
- CN206988493U CN206988493U CN201720967833.4U CN201720967833U CN206988493U CN 206988493 U CN206988493 U CN 206988493U CN 201720967833 U CN201720967833 U CN 201720967833U CN 206988493 U CN206988493 U CN 206988493U
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- hole
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- isolation
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Abstract
A kind of isolation-type breather valve and hot water storage tank, are related to breather valve field.Isolation-type breather valve includes valve body, the both ends of valve body offer the first air inlet/outlet and the second air inlet/outlet respectively, the dividing plate being provided with valve body between two gas outlets, two through holes are offered on dividing plate respectively, each through hole is provided with the valve block for being used for being opened and closed through hole, when one of through hole is opened, another through hole is closed, valve block corresponding to the through hole of closing is covered on through hole, valve block is obliquely installed with respect to valve body vertical section corresponding to the through hole of closing, the isolation-type breather valve can be as needed, block or connect gaseous exchange inside and outside container, reduce heat loss, peculiar smell is reduced to fly away.Hot water storage tank includes casing and above-mentioned isolation-type breather valve, the first air inlet/outlet connect with casing, and the second air inlet/outlet and atmosphere, the hot water storage tank can be as needed, blocks or connects gaseous exchange inside and outside casing, reduce heat loss.
Description
Technical field
Breather valve field is the utility model is related to, in particular to a kind of isolation-type breather valve and hot water storage tank.
Background technology
The container of storage liquid needs and atmosphere, and liquid could be passed in and out freely in container；But in the container space with
When air directly connects, the boil-off gas and smell of container memory storage medium can produce mass transter with air.Such as：Store hot water
Storage tank high-temperature steam can be produced in storage tank with the entrance of hot water, generally storage tank set passage, make water storage
Gaseous exchange inside and outside case, the air pressure balance inside and outside storage tank, it could continue to input hot water in storage tank, but this set leads to
The mode of stomata, storage tank high temperature steam can be made to form convective heat exchange with the outer air contact of case, cause heat loss.Compare again
Such as：Septic tank forms high pressure every that can produce foul smell in the storage dirt container of the sewage disposal systems such as slag bath, is generally set in the dirty container of storage
Breather pipe is put, foul smell therein is constantly shed under airflow influence, but this storage dirt container is directly connected with outside air
Mode can cause to store up dirty container can not be closed, the peculiar smell stored up in dirty container persistently sheds, and can also influence to store up in dirty container
Processing progress.
Therefore, it is necessary to which a kind of can as needed, the valve of gaseous exchange inside and outside blocking or connection container, freely to lead to
Matter or heat exchange between gas and reduction container inner medium and air.
Utility model content
The purpose of this utility model is to provide a kind of isolation-type breather valve, and it can be as needed, blocks or connection is held
Gaseous exchange inside and outside device, when needing ventilation, make freely to ventilate inside and outside container；When that need not ventilate, the gas inside and outside barrier container
Body, no Medium Exchange, heat loss is reduced, reduce peculiar smell and fly away.
Another object of the present utility model is to provide a kind of hot water storage tank, and it can be as needed, blocks or connection
Gaseous exchange inside and outside casing, reduce heat loss.
What embodiment of the present utility model was realized in：
A kind of isolation-type breather valve, it includes valve body, and one end of valve body offers the first air inlet/outlet, the other end of valve body
The second air inlet/outlet is offered, is provided with dividing plate in valve body, dividing plate is between the first air inlet/outlet and the second air inlet/outlet, dividing plate
Upper to offer two through holes respectively, each through hole is provided with the valve block for being used for being opened and closed through hole, another when one of through hole is opened
Individual through hole is closed, and valve block corresponding to the through hole of closing is covered on through hole, and valve block corresponding to the through hole of closing is vertical with respect to valve body
Section is obliquely installed.
In the utility model preferred embodiment, the incline direction of above-mentioned valve block is opposite.
In the utility model preferred embodiment, first through hole and the second through hole are offered in aforementioned barriers respectively, the
The first valve block for being opened and closed first through hole is provided with one through hole, be provided with the second through hole for be opened and closed the second through hole the
Two valve blocks, when air-flow flows to the second air inlet/outlet by the first air inlet/outlet, the first valve block covers away from first through hole, the second valve block
It is placed on the second through hole；When air-flow flows to the second air inlet/outlet by the second air inlet/outlet, the second valve block is away from the second through hole, and
One valve block is covered in first through hole.
In the utility model preferred embodiment, plane where above-mentioned through hole is obliquely installed with respect to valve body vertical section,
On the through hole being obliquely installed covered with its incline direction identical valve block.
In the utility model preferred embodiment, the top sides of above-mentioned valve block are hinged along the corresponding position with dividing plate.
In the utility model preferred embodiment, it is provided between the dividing plate and corresponding valve block around above-mentioned through hole soft
Property seal washer.
In the utility model preferred embodiment, plane where above-mentioned through hole is vertically arranged with respect to valve body vertical section,
The side of vertically disposed through hole is communicated with support tube, and the one end of support tube away from through hole is that relative valve body vertical section is inclined
Scarf, on scarf covered with its incline direction identical valve block.
In the utility model preferred embodiment, the top sides of above-mentioned valve block are hinged along the corresponding position with valve body.
In the utility model preferred embodiment, above-mentioned support tube is made of flexible material.
A kind of hot water storage tank, it includes casing and above-mentioned isolation-type breather valve, and the first air inlet/outlet connects with casing,
Second air inlet/outlet and atmosphere.
The beneficial effect of the utility model embodiment is：The isolation-type breather valve of the utility model embodiment includes valve body,
One end of valve body offers the first air inlet/outlet, and the other end of valve body offers the second air inlet/outlet, dividing plate is provided with valve body, every
Plate offers two through holes respectively between the first air inlet/outlet and the second air inlet/outlet, on dividing plate, and each through hole is provided with
For being opened and closed the valve block of through hole, when one of through hole is opened, another through hole is closed, and valve block corresponding to the through hole of closing covers
In on through hole, valve block is obliquely installed with respect to valve body vertical section corresponding to the through hole of closing, and the isolation-type breather valve being capable of basis
Need, block or connect gaseous exchange inside and outside container, when needing ventilation, make freely to ventilate inside and outside container；When that need not ventilate,
Gas inside and outside barrier container, no Medium Exchange, heat loss is reduced, reduce peculiar smell and fly away.The hot water of the utility model embodiment
Storage tank includes casing and above-mentioned isolation-type breather valve, the first air inlet/outlet connect with casing, the second air inlet/outlet and air
Connection, the hot water storage tank can be as needed, blocks or connects gaseous exchange inside and outside casing, reduce heat loss.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is a kind of structural representation for isolation-type breather valve that the utility model first embodiment provides；
Fig. 2 be Fig. 1 shown in isolation-type breather valve air-flow by when structural representation；
Fig. 3 be Fig. 1 shown in isolation-type breather valve other direction air-flow by when structural representation；
Fig. 4 is a kind of structural representation for isolation-type breather valve that the utility model second embodiment provides；
Fig. 5 is a kind of structural representation for hot water storage tank that the utility model 3rd embodiment provides.
Icon：100- isolation-type breather valves；110- valve bodies；The air inlet/outlets of 111- first；The air inlet/outlets of 112- second；120-
Dividing plate；121- first through hole；The through holes of 122- second；The valve blocks of 131- first；The valve blocks of 132- second；140- flexible sealing packing rings；
200- isolation-type breather valves；210- dividing plates；211- first through hole；The through holes of 212- second；The support tubes of 221- first；222- second
Support cylinder；300- hot water storage tanks；310- casings；320- water injection valves；330- outlet valves.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be configured to arrange and design with a variety of.
Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
, it is necessary to explanation in description of the present utility model, term " on ", " under ", " vertical ", " level ", " interior ",
The orientation or position relationship of instructions such as " outer " are or the utility model product based on orientation shown in the drawings or position relationship
The orientation or position relationship usually put during use, it is for only for ease of description the utility model and simplifies description, without referring to
Show or imply that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, therefore can not manage
Solve as to limitation of the present utility model.In addition, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that referring to
Show or imply relative importance.
In addition, the term such as term " level ", " vertical " is not offered as requiring part abswolute level or pendency, but can be slightly
Low dip.Such as " level " only refers to that its direction is more horizontal with respect to for " vertical ", is not to represent that the structure must be complete
It is complete horizontal, but can be slightly tilted.
In description of the present utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in utility model.
First embodiment
It refer to shown in Fig. 1 to Fig. 3, the present embodiment provides a kind of isolation-type breather valve 100, and it includes valve body 110, valve body
110 one end offers the first air inlet/outlet 111, and the other end of valve body 110 offers the second air inlet/outlet 112, in valve body 110
Provided with dividing plate 120, dividing plate 120 opens up respectively between the first air inlet/outlet 111 and the second air inlet/outlet 112 on dividing plate 120
There are two through holes, each through hole is provided with the valve block for being used for being opened and closed through hole, and when one of through hole is opened, another through hole closes
Close, valve block corresponding to the through hole of closing is covered on through hole, and valve block corresponding to the through hole of closing inclines with respect to the vertical section of valve body 110
Tiltedly set, the incline direction of two pieces of valve blocks is opposite.Specifically：The through hole of first through hole 121 and second is offered on dividing plate 120 respectively
122, the first valve block 131 for being opened and closed first through hole 121 is provided with first through hole 121, use is provided with the second through hole 122
In be opened and closed the second through hole 122 the second valve block 132, when air-flow flows to the second air inlet/outlet 112 by the first air inlet/outlet 111,
First valve block 131 is opened away from first through hole 121, first through hole 121, and the second valve block 132 is covered on the second through hole 122, the
Two through holes 122 are closed；When air-flow flows to the second air inlet/outlet 112 by the second air inlet/outlet 112, the second valve block 132 is away from
Two through holes 122, the second through hole 122 are opened, and the first valve block 131 is covered in first through hole 121, and first through hole 121 is closed, and are ensured
When needing ventilation, gas of the isolation-type breather valve 100 per one end can flow to the other end, isolation-type breather valve 100
When one end is with reservoir, it is possible to the gaseous exchange inside and outside connection container as needed.When the first air inlet/outlet 111 and second
When being flowed between air inlet/outlet 112 without gas, the first valve block 131 is covered in first through hole 121, and the second valve block 132 is covered in
On second through hole 122, when one end of isolation-type breather valve 100 and reservoir, it is possible to inside and outside barrier container as needed
Gaseous exchange.
In the present embodiment, the structure for realizing the gaseous exchange that can block or connect the both ends of isolation-type breather valve 100 is：Through hole
Place plane is obliquely installed with respect to the vertical section of valve body 110, on the through hole being obliquely installed covered with its incline direction identical
Valve block, the top sides of valve block are hinged along the corresponding position with dividing plate 120, set between the dividing plate 120 around through hole and corresponding valve block
It is equipped with flexible sealing packing ring 140.Concrete structure is：The place plane of first through hole 121 and the place plane of the second through hole 122 are with respect to valve
The vertical section of body 110 is obliquely installed, the incline direction phase of the place plane of first through hole 121 and the place plane of the second through hole 122
Instead, in first through hole 121 covered with its first valve block of incline direction identical 131, covered with inclining with it on the second through hole 122
The second valve block of tilted direction identical 132；First valve block 131, the top sides edge of the second valve block 132 are corresponding with dividing plate 120 respectively
Place is be hinged；Flexible sealing packing ring 140 is provided between the valve block 131 of dividing plate 120 and first around first through hole 121, second is logical
Flexible sealing packing ring 140 is provided between the valve block 132 of dividing plate 120 and second around hole 122.
Due to the incline direction of the first valve block 131 and the second valve block 132 on the contrary, when the air-flow in valve body 110 is by the first valve
Piece 131 is washed open, and when making the first valve block 131 around hinged place rotation, remote first through hole 121, the air-flow presses the second valve block 132
Press, be covered on the second through hole 122；When the air-flow in valve body 110 washes the second valve block 132 open, make the second valve block 132 around be hinged
When place's rotation, remote second through hole 122, the first valve block 131 is pressed, is covered in first through hole 121 by the air-flow, realizes connection
The gaseous exchange at the both ends of isolation-type breather valve 100.When the air-flow in valve body 110 can not be by the second valve block 132 and the second valve block 132
Wash open, realize the gaseous exchange for blocking the both ends of isolation-type breather valve 100.
The operation principle of isolation-type breather valve 100 is：Before use, isolation-type breather valve 100 is horizontally installed on container,
First air inlet/outlet 111 connects container, the second air inlet/outlet 112 connection air.
Shown in Figure 1, when container inner and outer air pressure is more or less the same, the air-flow inside and outside container can not be by the first valve block 131
Washed open with the second valve block 132, the first valve block 131 because gravity hangs on the flexible sealing packing ring 140 of the first passage surrounding,
Second valve block 132 hinders the space inside and outside container because gravity hangs on the flexible sealing packing ring 140 of the second passage surrounding
Every no Medium Exchange.
It is shown in Figure 2, when toward liquid is injected in container, the gas compartment in container is compressed, and air pressure rises, in container
Air pressure be more than air pressure outside container, the pressure-bearing of the first valve block 131 is failure to actuate, and the second valve block 132 is under draught head effect, around be hinged
Place's rotation, opens the second through hole 122, realizes exhaust.
Shown in Figure 3, when discharging liquid in container, the gas compartment increase in container, air pressure declines, air pressure in container
Pressure outside less than container, the pressure-bearing of the second valve block 132 are failure to actuate, and the first valve block 131 revolves under draught head effect around hinged place
Turn, open first through hole 121, realize air inlet.
Second embodiment
It refer to shown in Fig. 4, the present embodiment provides a kind of isolation-type breather valve 200, and it includes valve body 110, valve body 110
One end offers the first air inlet/outlet 111, and the other end of valve body 110 offers the second air inlet/outlet 112, is provided with valve body 110
Dividing plate 210, dividing plate 210 offer two respectively between the first air inlet/outlet 111 and the second air inlet/outlet 112 on dividing plate 210
Individual through hole, each through hole is provided with the valve block for being used for being opened and closed through hole, and when one of through hole is opened, another through hole is closed, and is closed
Valve block corresponding to the through hole closed is covered on through hole, and valve block corresponding to the through hole of closing is tilted with respect to the vertical section of valve body 110 and set
Put, the incline direction of two pieces of valve blocks is opposite.Specifically, the through hole 212 of first through hole 211 and second is offered on dividing plate 210 respectively,
The first valve block 131 for being opened and closed first through hole 211 is provided with first through hole 211, is provided with the second through hole 212 for opening
The second valve block 132 of the second through hole 212 is closed, when air-flow flows to the second air inlet/outlet 112 by the first air inlet/outlet 111, first
Valve block 131 is covered on the second through hole 212 away from first through hole 211, the second valve block 132；When air-flow is by the second air inlet/outlet 112
When flowing to the second air inlet/outlet 112, the second valve block 132 is covered in first through hole 211 away from the second through hole 212, the first valve block 131
On.
In the present embodiment, the structure for realizing the gaseous exchange that can block or connect the both ends of isolation-type breather valve 200 is：Through hole
Place plane is vertically arranged with respect to the vertical section of valve body 110, and the side of vertically disposed through hole is communicated with support tube, and support tube is remote
One end from through hole is the relative inclined scarf of the vertical section of valve body 110, covered with identical with its incline direction on scarf
Valve block；The top sides of valve block are hinged along the corresponding position with valve body 110；Support tube is made of flexible material.Concrete structure is：
Dividing plate 210 is vertically installed in valve body 110, and the side that first through hole 211 is located at dividing plate 210 is communicated with the first support tube 221, the
One one end of support tube 221 away from first through hole 211 is with respect to the inclined scarf of the vertical section of valve body 110, the first support tube
On 221 scarf covered with its first valve block of incline direction identical 131；Second through hole 212 is located at the another of dividing plate 210
Side is communicated with the second support tube 222, and the one end of the second support tube 222 away from the second through hole 212 is the relative vertical section of valve body 110
Inclined scarf, on the scarf of the second support tube 222 covered with its second valve block of incline direction identical 132.
3rd embodiment
It refer to shown in Fig. 4 and Fig. 5, the present embodiment provides a kind of hot water storage tank 300, and it includes casing 310, with casing
310 connections, the water injection valve 320 for controlling water inlet, are connected, the outlet valve 330, Yi Ji for controlling water outlet with casing 310
Isolation-type breather valve 200 in two embodiments, valve body 110 is horizontally disposed, and the first air inlet/outlet 111 connects with casing 310, and second
Air inlet/outlet 112 and atmosphere.
The operation principle of hot water storage tank 300 is：
When the inner and outer air pressure of casing 310 is more or less the same, the air-flow inside and outside casing 310 can not be by the second valve block 132 and second
Valve block 132 is washed open, the first valve block 131 because gravity hangs on the scarf of the first support tube 221, the second valve block 132 due to
Gravity hangs on the scarf of the second support tube 222, makes the space obstacle inside and outside casing 310, no Medium Exchange.
When by water injection valve 320, toward injection liquid in casing 310, the gas compartment in casing 310 is compressed, atmospherically
Rise, the air pressure in casing 310 is more than the air pressure outside casing 310, and the pressure-bearing of the first valve block 131 is failure to actuate, and the second valve block 132 is in air pressure
Under difference effect, rotated around hinged place, open the second through hole 212, realize exhaust.
When by outlet valve 330 will discharge liquid in casing 310, the gas compartment increase in casing 310, air pressure declines,
Air pressure is less than the pressure outside casing 310 in casing 310, and the pressure-bearing of the second valve block 132 is failure to actuate, and the first valve block 131 is made in draught head
Under, rotated around hinged place, open first through hole 211, realize air inlet.
In summary, isolation-type breather valve of the present utility model can be as needed, blocks or connect gas inside and outside container
Convection current, when needing ventilation, make freely to ventilate inside and outside container；When that need not ventilate, the gas inside and outside barrier container, no medium is handed over
Change, reduce heat loss, reduce peculiar smell and fly away；Hot water storage tank of the present utility model can be as needed, blocks or connect casing
Inside and outside gaseous exchange, reduce heat loss.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (10)
1. a kind of isolation-type breather valve, it is characterised in that it includes valve body, and one end of the valve body offers first and enters outlet
Mouthful, the other end of the valve body offers the second air inlet/outlet, and dividing plate is provided with the valve body, and the dividing plate is located at described first
Two through holes are offered between air inlet/outlet and second air inlet/outlet, on the dividing plate respectively, each through hole, which is provided with, to be used
In the valve block for being opened and closed the through hole, when one of them described through hole is opened, another described through hole is closed, the through hole of closing
The corresponding valve block is covered on the through hole, and the relatively described valve body of the valve block corresponding to the through hole of closing is cut vertically
Face is obliquely installed.
2. isolation-type breather valve according to claim 1, it is characterised in that the incline direction of two pieces of valve blocks is opposite.
3. isolation-type breather valve according to claim 1, it is characterised in that offer first through hole respectively on the dividing plate
With the second through hole, the first valve block for being opened and closed the first through hole is provided with the first through hole, on second through hole
The second valve block for being opened and closed second through hole is provided with, when air-flow flows to second air inlet/outlet by the first air inlet/outlet
When, first valve block is covered on second through hole away from the first through hole, second valve block；When air-flow is by second
When air inlet/outlet flows to second air inlet/outlet, second valve block is away from second through hole, the first valve block covering
In in the first through hole.
4. isolation-type breather valve according to claim 1, it is characterised in that the relatively described valve body of plane where the through hole
Vertical section is obliquely installed, on the through hole being obliquely installed covered with valve block described in its incline direction identical.
5. isolation-type breather valve according to claim 4, it is characterised in that top sides edge and the dividing plate of the valve block
Corresponding position be hinged.
6. isolation-type breather valve according to claim 4, it is characterised in that the dividing plate around the through hole with it is corresponding
The valve block between be provided with flexible sealing packing ring.
7. isolation-type breather valve according to claim 1, it is characterised in that the relatively described valve body of plane where the through hole
Vertical section is vertically arranged, and the side of the vertically disposed through hole is communicated with support tube, and the support tube is away from the through hole
One end be the relatively described inclined scarf of valve body vertical section, on the scarf covered with its incline direction identical
The valve block.
8. isolation-type breather valve according to claim 7, it is characterised in that top sides edge and the valve body of the valve block
Corresponding position be hinged.
9. isolation-type breather valve according to claim 7, it is characterised in that the support tube is made of flexible material.
10. a kind of hot water storage tank, it is characterised in that it includes casing and as claimed in any one of claims 1-9 wherein barrier
Type breather valve, the valve body are horizontally disposed with, and first air inlet/outlet connects with the casing, second air inlet/outlet with it is big
Gas connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720967833.4U CN206988493U (en) | 2017-08-04 | 2017-08-04 | Isolation-type breather valve and hot water storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720967833.4U CN206988493U (en) | 2017-08-04 | 2017-08-04 | Isolation-type breather valve and hot water storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206988493U true CN206988493U (en) | 2018-02-09 |
Family
ID=61418857
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720967833.4U Expired - Fee Related CN206988493U (en) | 2017-08-04 | 2017-08-04 | Isolation-type breather valve and hot water storage tank |
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| Country | Link |
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| CN (1) | CN206988493U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109625643A (en) * | 2019-01-31 | 2019-04-16 | 湖南省上池环保科技有限公司 | A kind of interior floating plate automatic exhaust steam valve |
| CN111828690A (en) * | 2020-06-16 | 2020-10-27 | 中国辐射防护研究院 | Novel multifunctional ventilation valve component for protective clothing |
| CN113502880A (en) * | 2021-06-15 | 2021-10-15 | 中国煤炭科工集团太原研究院有限公司 | Air pressure safety type water storage device for mine auxiliary transport vehicle |
-
2017
- 2017-08-04 CN CN201720967833.4U patent/CN206988493U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109625643A (en) * | 2019-01-31 | 2019-04-16 | 湖南省上池环保科技有限公司 | A kind of interior floating plate automatic exhaust steam valve |
| CN111828690A (en) * | 2020-06-16 | 2020-10-27 | 中国辐射防护研究院 | Novel multifunctional ventilation valve component for protective clothing |
| CN113502880A (en) * | 2021-06-15 | 2021-10-15 | 中国煤炭科工集团太原研究院有限公司 | Air pressure safety type water storage device for mine auxiliary transport vehicle |
| CN113502880B (en) * | 2021-06-15 | 2022-10-25 | 中国煤炭科工集团太原研究院有限公司 | Air pressure safety type water storage device for mine auxiliary transport vehicle |
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