CN211894536U - Breathing device and oil storage tank - Google Patents
Breathing device and oil storage tank Download PDFInfo
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- CN211894536U CN211894536U CN202020118153.7U CN202020118153U CN211894536U CN 211894536 U CN211894536 U CN 211894536U CN 202020118153 U CN202020118153 U CN 202020118153U CN 211894536 U CN211894536 U CN 211894536U
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- valve body
- guide plate
- valve core
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- respiratory device
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Abstract
The utility model relates to a respiratory device and oil storage tank, include: the side surface of the valve body is sequentially provided with an air outlet and an air inlet from top to bottom, and a valve core is sleeved in the valve body in a sliding manner and is of a cavity structure with an opening at the bottom; the elastic supporting mechanism is uniformly arranged outside the valve body and is provided with an upper supporting plate and a lower supporting plate which are arranged outside the valve body in an up-down symmetrical mode, a guide rod is arranged between the upper supporting plate and the lower supporting plate, a guide plate is sleeved outside the guide rod in a sliding mode, a first spring acting between the upper supporting plate and the guide plate is arranged above the guide plate, and a second spring acting between the lower supporting plate and the guide plate is arranged below the guide plate; the valve body is provided with a guide groove corresponding to the guide plate, and the guide plate penetrates through the guide groove and is fixedly connected with the valve core.
Description
Technical Field
The utility model belongs to the technical field of the breather valve, concretely relates to respiratory device and oil storage tank.
Background
In the petroleum and chemical industry, the breather valve is a common accessory for various normal pressure oil tanks and various normal pressure liquid chemical medium storage tanks, and at normal temperature and high temperature, the evaporative gas causes the pressure in the storage tank to increase, thereby causing serious potential safety hazard. The breather valve should have the two aspects of the positive pressure of blowdown and negative pressure function, specifically: when the container bears positive pressure, the breathing valve opens the exhaled gas to release the positive pressure; when the container bears negative pressure, the fire-retardant breather valve opens the negative pressure of the inhaled gas. Therefore, the pressure is ensured to be in a certain range, and the safety of the container is ensured. One is to breathe or breathe when a certain pressure is reached.
Based on the above needs, it is necessary to design a breathing apparatus and an oil storage tank that can adjust the breathing or inspiration according to the internal pressure of the oil storage tank.
Disclosure of Invention
To the not enough that exists among the prior art, the utility model provides a can adjust breathing device that exhales or breathe in according to oil tank internal pressure.
The technical scheme of the utility model is that: a respiratory device, comprising: the side surface of the valve body is sequentially provided with an air outlet and an air inlet from top to bottom, and a valve core is sleeved in the valve body in a sliding manner, the valve core is of a cavity structure with an opening at the bottom, and the side surface of the valve core is provided with a ventilation port corresponding to the space between the air outlet and the air inlet; the elastic supporting mechanism is uniformly arranged outside the valve body and is provided with an upper supporting sheet and a lower supporting sheet which are vertically and symmetrically arranged on the outer side of the valve body, a guide rod is arranged between the upper supporting sheet and the lower supporting sheet, a guide plate is sleeved on the outer side of the guide rod in a sliding manner, a first spring acting between the upper supporting plate and the guide plate is arranged above the guide plate, and a second spring acting between the lower supporting plate and the guide plate is arranged below the guide plate; the valve body is provided with a guide groove corresponding to the guide plate, and the guide plate penetrates through the guide groove and is fixedly connected with the valve core.
The liquid collecting top is arranged at the inner top of the valve core and is of an inverted cone structure which is integrated with the inner top of the valve core.
The bottom outside of case is provided with the first sealing ring that acts on between case and the valve body, the outside of ventilative mouthful top the case is provided with the second sealing ring that acts on between case and the valve body, the outside of ventilative mouthful below the case is provided with the third sealing ring that acts on between case and the valve body.
The air inlet reaches the top of gas vent all is provided with the buckler.
The bottom of the waterproof cover is sealed by a fire retardant net.
The valve body is of a cylindrical cavity structure with an opening at the bottom, and a flange is arranged at the bottom end of the valve body.
The utility model also provides an oil storage tank of installing above-mentioned respiratory device.
The utility model has the advantages that: the utility model discloses install and to adjust exhaling state, state of breathing in and balanced state according to the internal pressure condition of oil storage tank on the oil storage tank, guarantee the oil storage tank safe handling.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a second schematic structural diagram of the embodiment of the present invention.
3 fig. 3 3 3 is 3 a 3 cross 3- 3 sectional 3 view 3 taken 3 at 3 a 3- 3 a 3 in 3 fig. 3 2 3. 3
Detailed Description
The following describes the embodiments of the present invention with reference to the drawings and examples.
As shown in fig. 1, 2 and 3, the breathing apparatus and the oil storage tank include: the side surface of the valve body 1 is sequentially provided with an exhaust port 4 and an air inlet 5 from top to bottom, the size specification of the air inlet 4 is completely the same as that of the air inlet 5, the valve core 3 is sleeved in the valve body 1 in a sliding manner, the valve core 3 is of a cavity structure with an open bottom, and the side surface of the valve core 3 is provided with a ventilation port 6 corresponding to the space between the exhaust port 4 and the air inlet 4; the elastic supporting mechanism is uniformly arranged outside the valve body 1, the elastic supporting mechanism is provided with an upper supporting sheet 8 and a lower supporting sheet 9 which are arranged on the outer side of the valve body in an up-down symmetrical mode, a guide rod 13 is arranged between the upper supporting sheet 8 and the lower supporting sheet 9, a guide plate 12 is sleeved on the outer side of the guide rod 13 in a sliding mode, a first spring 10 acting between the upper supporting sheet 8 and the guide plate 12 is arranged above the guide plate 12, and a second spring 11 acting between the lower supporting sheet 9 and the guide plate 12 is arranged below the guide plate 12; the valve body 1 is provided with a guide groove 14 corresponding to the guide plate 12, and the guide plate 12 passes through the guide groove 14 and is fixedly connected with the valve core 3; the breathing apparatus provided in this embodiment has three states: firstly, when the air pressure inside and outside the oil storage tank is balanced, the ventilation port 6 is positioned between the air inlet 4 and the air outlet 5, the ventilation port 6 is sealed by the side wall of the valve body 1, and the breathing device is in a balanced state; when the internal pressure of the oil storage tank rises, the valve core 3 moves upwards and compresses the first spring 10 under the action of the internal pressure of the oil storage tank until the ventilation port 6 is communicated with the exhaust port 4, the gas in the oil storage tank can be discharged outwards, the breathing device is in a breathing state at the moment, and after the internal and external air pressures of the oil storage tank are balanced, the breathing device is restored to a balanced state under the action of the first spring 10; when the internal pressure of oil storage tank reduces, under the effect of the outside atmospheric pressure of oil storage tank, case 3 moves down and compresses second spring 11, is linked together until ventilative mouthful 6 and air inlet 5, and inside the outside air of oil storage tank can get into the oil storage tank, respiratory device was in the state of breathing in this moment, and after the inside and outside atmospheric pressure of oil storage tank was balanced, under the effect of second spring 11, respiratory device resumes to balanced state.
Further, in order to facilitate the collection of the oil generated by the condensation at the top of the valve element 3, the inner top of the valve element 3 is provided with a liquid collecting top 15, the liquid collecting top 15 is of an inverted cone structure integrated with the inner top of the valve element 3, and the oil gas is continuously gathered and condensed after the liquid collecting top 15 and is continuously gathered into liquid drops along the inclined plane, so that the liquid drops return to the oil storage tank for collection.
Further, the bottom outside of the valve core 3 is provided with a first sealing ring 16 acting between the valve core 3 and the valve body 1, the outside of the valve core 3 above the ventilation opening 6 is provided with a second sealing ring 17 acting between the valve core 3 and the valve body 1, the outside of the valve core 3 below the ventilation opening 6 is provided with a third sealing ring 18 acting between the valve core 3 and the valve body, the outside of the valve core 3 is provided with annular grooves for fixing the first sealing ring 16, the second sealing ring 17 and the third sealing ring 18 at positions corresponding to the first sealing ring 16, the second sealing ring 17 and the third sealing ring 18, and the air tightness between the valve body 1 and the valve core 3 can be improved through the sealing action of the first sealing ring 16, the second sealing ring 17 and the third sealing ring 18.
Furthermore, waterproof covers 7 are arranged above the air inlet 5 and the air outlet 4, and the waterproof covers 7 are welded and fixed on the outer side of the valve body 1 and used for preventing rainwater from entering the oil tank from the air outlet 5 and the air outlet 4; in order to improve the safety, the bottom of the waterproof cover 7 is sealed by the fire-retardant net 19, and the fire can be effectively prevented from spreading to the inside of the oil storage tank through the fire-retardant net 19, so that the safety is improved.
Further, valve body 1 is the open cylinder cavity structure in bottom, and the bottom of valve body 1 is provided with flange 2, is convenient for install this respiratory device on the oil storage tank through flange 2.
The embodiment of the utility model also discloses an oil storage tank, installs above-mentioned respiratory device on the oil storage tank.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (7)
1. A respiratory device, comprising: the side surface of the valve body is sequentially provided with an air outlet and an air inlet from top to bottom, and a valve core is sleeved in the valve body in a sliding manner, the valve core is of a cavity structure with an opening at the bottom, and the side surface of the valve core is provided with a ventilation port corresponding to the space between the air outlet and the air inlet; the elastic supporting mechanism is uniformly arranged outside the valve body and is provided with an upper supporting sheet and a lower supporting sheet which are arranged on the outer side of the valve body in an up-down symmetrical mode, a guide rod is arranged between the upper supporting sheet and the lower supporting sheet, a guide plate is sleeved on the outer side of the guide rod in a sliding mode, a first spring acting between the upper supporting sheet and the guide plate is arranged above the guide plate, and a second spring acting between the lower supporting sheet and the guide plate is arranged below the guide plate; the valve body is provided with a guide groove corresponding to the guide plate, and the guide plate penetrates through the guide groove and is fixedly connected with the valve core.
2. The respiratory device of claim 1, wherein: the liquid collecting top is arranged at the inner top of the valve core and is of an inverted cone structure which is integrated with the inner top of the valve core.
3. The respiratory device of claim 1, wherein: the bottom outside of case is provided with the first sealing ring that acts on between case and the valve body, the outside of ventilative mouthful top the case is provided with the second sealing ring that acts on between case and the valve body, the outside of ventilative mouthful below the case is provided with the third sealing ring that acts on between case and the valve body.
4. The respiratory device of claim 1, wherein: the air inlet reaches the top of gas vent all is provided with the buckler.
5. The respiratory device of claim 4, wherein: the bottom of the waterproof cover is sealed by a fire retardant net.
6. The respiratory device of claim 1, wherein: the valve body is of a cylindrical cavity structure with an opening at the bottom, and a flange is arranged at the bottom end of the valve body.
7. An oil storage tank having mounted thereon a breathing apparatus according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020118153.7U CN211894536U (en) | 2020-01-18 | 2020-01-18 | Breathing device and oil storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020118153.7U CN211894536U (en) | 2020-01-18 | 2020-01-18 | Breathing device and oil storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211894536U true CN211894536U (en) | 2020-11-10 |
Family
ID=73303066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020118153.7U Active CN211894536U (en) | 2020-01-18 | 2020-01-18 | Breathing device and oil storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211894536U (en) |
-
2020
- 2020-01-18 CN CN202020118153.7U patent/CN211894536U/en active Active
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