CN205855043U - A kind of pressure vacuum gage cap - Google Patents
A kind of pressure vacuum gage cap Download PDFInfo
- Publication number
- CN205855043U CN205855043U CN201620825656.1U CN201620825656U CN205855043U CN 205855043 U CN205855043 U CN 205855043U CN 201620825656 U CN201620825656 U CN 201620825656U CN 205855043 U CN205855043 U CN 205855043U
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- China
- Prior art keywords
- air inlet
- flap
- spring
- weather shield
- valve
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- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
nullThe utility model discloses a kind of pressure vacuum gage cap，Including housing，Housing upper end is provided with top cap by connector，Air inlet valve device and gas outlet valve apparatus it is provided with in housing，Air inlet valve device includes valve seat、Air inlet flap and the first spring，First spring is between air inlet flap and valve seat，Gas outlet valve apparatus includes flap of giving vent to anger、Valve rod and the second spring composition being set on valve rod，Valve rod passes from the centre bore of air inlet flap，And lower end is provided with blocked ear，Second spring is between blocked ear and air inlet flap，Air inlet flap is provided with passage，Give vent to anger and between flap and connector, be provided with blow vent，Air inlet flap is positioned at the lower section of connector，And fit with the bottom of flap of giving vent to anger，Top cap upper end is provided with the brim of a hat，Lower end is provided with weather shield，Weather shield is positioned at below the brim of a hat，Outer ventilation mouth it is provided with between weather shield and the brim of a hat，Water leg is formed between weather shield and top cap sidewall，Top cap sidewall is provided with interior ventilation mouth.
Description
Technical field
This utility model relates to a kind of pressure vacuum gage cap, belongs to oil truck accessory technical field.
Background technology
Buried tank is in oil-feed or when draining the oil, it is ensured that tank internal and external pressure balance, needs to install exhaustor, the top of exhaustor
End needs to install gas-pressure controlling valve, the most also to stop extraneous unexpected burning things which may cause a fire disaster to enter buried tank, it is ensured that oil storage tank
Safety.
Utility model content
For the problems referred to above, this utility model provides a kind of pressure vacuum gage cap, it is therefore intended that can be automatically adjusted tank body
Interior pressure, can prevent again unexpected burning things which may cause a fire disaster from entering oil tank.
The purpose of this utility model is achieved through the following channels:
A kind of pressure vacuum gage cap, including housing, described housing upper end is provided with top cap by connector, is provided with in described housing
Air inlet valve device and gas outlet valve apparatus, described air inlet valve device includes valve seat, air inlet flap and the first spring, described first spring
Between air inlet flap and valve seat, described gas outlet valve apparatus includes give vent to anger flap, valve rod and the second bullet being set on valve rod
Spring forms, and described valve rod passes from the centre bore of air inlet flap, and lower end is provided with blocked ear, and described second spring is positioned at blocked ear and enters
Between air flap, described air inlet flap is provided with passage, described in give vent to anger and between flap and connector, be provided with blow vent, described in enter
Air flap is positioned at the lower section of connector, and fits with the bottom of flap of giving vent to anger, and described top cap upper end is provided with the brim of a hat, and lower end is provided with gear
Rain plate, described weather shield is positioned at below the brim of a hat, is provided with outer ventilation mouth, described weather shield and top cap between described weather shield and the brim of a hat
Forming water leg between sidewall, described top cap sidewall is provided with interior ventilation mouth.
As the further optimization of this programme, at described interior ventilation mouth, it is provided with filter screen.
As the further optimization of this programme, described water leg bottom is provided with outlet.
This utility model beneficial effect:
Being provided with gas outlet valve apparatus and air inlet valve device in this utility model housing, the unlatching of valve, closedown are also to maintain sealing
Automatically adjusting according to gas pressure in oil storage tank, the moment remains oil storage tank internal and external pressure balance, at sealing state
Lower oil storage tank is isolated from the outside, prevents from running outside gaseous oil product and external world's accident burning things which may cause a fire disaster enters oil storage tank.Owing to top cap structure sets
Meter is possible to prevent rainwater to enter oil storage tank, is provided with filter structure at interior ventilation mouth simultaneously, prevents impurity from entering the sealing of destructive valve
Effect.This utility model overall construction design is compact, easy to use.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings this utility model is described in further detail:
Fig. 1 is this utility model sectional structure schematic diagram；
Fig. 2 is this utility model top cap structural representation；
In figure, 1, housing, 2, top cap, 3, valve seat, 4, air inlet flap, the 5, first spring, 6, flap of giving vent to anger, 7, valve rod, 8,
Second spring, 9, blocked ear, 10, passage, 11, blow vent, 12, the brim of a hat, 13, weather shield, 14, outer ventilation mouth, 15, water leg,
16, interior ventilation mouth, 17, filter screen, 18, outlet, 19, connector.
Detailed description of the invention
With embodiment, this utility model is described further below in conjunction with the accompanying drawings.
Embodiment:
As depicted in figs. 1 and 2, a kind of pressure vacuum gage cap, including housing 1, described housing upper end is provided with by connector 19
Top cap 2, is provided with air inlet valve device and gas outlet valve apparatus in described housing, described air inlet valve device includes valve seat 3, air inlet flap 4
With the first spring 5, described first spring is between air inlet flap and valve seat, and described gas outlet valve apparatus includes give vent to anger flap 6, valve
Bar 7 and the second spring 8 being set on valve rod form, and described valve rod passes from the centre bore of air inlet flap, and lower end is provided with gear
Ear 9, described second spring is between blocked ear and air inlet flap, and described air inlet flap is provided with passage 10, described air outlet valve
Being provided with blow vent 11 between lobe and connector, described air inlet flap is positioned at the lower section of connector, and pastes with the bottom of flap of giving vent to anger
Closing, described top cap upper end is provided with the brim of a hat 12, and lower end is provided with weather shield 13, and described weather shield is positioned at below the brim of a hat, described weather shield
And it is provided with outer ventilation mouth 14 between the brim of a hat, forms water leg 15 between described weather shield and top cap sidewall, on described top cap sidewall
It is provided with interior ventilation mouth 16.
As the further optimization of this programme, it is provided with filter screen 17 at described interior ventilation mouth, prevents impurity from entering.
As the further optimization of this programme, described water leg bottom is provided with outlet 18, and wind is blown into the rainwater of water leg
Can flow out from outlet and will not enter oil storage tank.
Specific works principle:
As depicted in figs. 1 and 2, this utility model is arranged on the exhaustor top of oil storage tank, gives vent to anger owing to being provided with in housing 1
Valve gear and air inlet valve device, when making oil storage tank oil-feed state, flap 6 of giving vent to anger is opened, and in oil storage tank, air discharges；Oil storage
When tank is fuel-displaced, air inlet flap 4 is opened, and outside air enters oil storage tank, keeps oil storage tank internal and external pressure balance；Oil storage tank stop into
When going out oil condition, air outlet valve and intake valve simultaneously close off, and are isolated from the outside by oil storage tank, prevent from running outside gaseous oil product and extraneous meaning
Outer burning things which may cause a fire disaster enters oil storage tank.Weather shield 13 has outlet 18, and the rainwater that wind is entered can flow out from outlet will not enter oil storage
Tank, interior ventilation mouth is provided with filter screen, can well prevent the impurity in air from entering the sealing property of destructive valve.
The above, detailed description of the invention the most of the present utility model, but protection domain of the present utility model does not limit to
In this, any those of ordinary skill in the art, can be without creative labor in the technical scope disclosed by this utility model
The dynamic change expected or replacement, all should contain within protection domain of the present utility model.Therefore, protection model of the present utility model
Enclose and be as the criterion with the protection domain that claims are limited.
Claims (3)
1. a pressure vacuum gage cap, including housing, it is characterised in that: described housing upper end is provided with top cap by connector, described
Being provided with air inlet valve device and gas outlet valve apparatus in housing, described air inlet valve device includes valve seat, air inlet flap and the first spring, institute
Stating the first spring between air inlet flap and valve seat, described gas outlet valve apparatus includes giving vent to anger flap, valve rod and being set in valve rod
On second spring composition, described valve rod passes from the centre bore of air inlet flap, and lower end is provided with blocked ear, described second spring position
Between blocked ear and air inlet flap, described air inlet flap is provided with passage, described in give vent to anger be provided with between flap and connector logical
QI KOU, described air inlet flap is positioned at the lower section of connector, and fits with the bottom of flap of giving vent to anger, and described top cap upper end is provided with cap
Eaves, lower end is provided with weather shield, and described weather shield is positioned at below the brim of a hat, is provided with outer ventilation mouth, institute between described weather shield and the brim of a hat
Stating formation water leg between weather shield and top cap sidewall, described top cap sidewall is provided with interior ventilation mouth.
2. a kind of pressure vacuum gage cap as claimed in claim 1, it is characterised in that: it is provided with filter screen at described interior ventilation mouth.
3. a kind of pressure vacuum gage cap as claimed in claim 1, it is characterised in that: described water leg bottom is provided with outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620825656.1U CN205855043U (en) | 2016-08-02 | 2016-08-02 | A kind of pressure vacuum gage cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620825656.1U CN205855043U (en) | 2016-08-02 | 2016-08-02 | A kind of pressure vacuum gage cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205855043U true CN205855043U (en) | 2017-01-04 |
Family
ID=57654500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620825656.1U Active CN205855043U (en) | 2016-08-02 | 2016-08-02 | A kind of pressure vacuum gage cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205855043U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107352183A (en) * | 2017-08-25 | 2017-11-17 | 温州天悦流体设备科技有限公司 | A kind of tank deck device |
| CN112594427A (en) * | 2020-12-21 | 2021-04-02 | 徐州德胜石油机械有限公司 | Oil tank fire-retardant pressure valve that leakproofness is good |
| CN113566003A (en) * | 2021-07-13 | 2021-10-29 | 浙江海博石油设备有限公司 | Vacuum pressure valve for oil storage tank of gas station |
-
2016
- 2016-08-02 CN CN201620825656.1U patent/CN205855043U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107352183A (en) * | 2017-08-25 | 2017-11-17 | 温州天悦流体设备科技有限公司 | A kind of tank deck device |
| CN112594427A (en) * | 2020-12-21 | 2021-04-02 | 徐州德胜石油机械有限公司 | Oil tank fire-retardant pressure valve that leakproofness is good |
| CN113566003A (en) * | 2021-07-13 | 2021-10-29 | 浙江海博石油设备有限公司 | Vacuum pressure valve for oil storage tank of gas station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |