CN218523088U - Breather valve utilizing gravity to exhaust - Google Patents
Breather valve utilizing gravity to exhaust Download PDFInfo
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- CN218523088U CN218523088U CN202222214557.8U CN202222214557U CN218523088U CN 218523088 U CN218523088 U CN 218523088U CN 202222214557 U CN202222214557 U CN 202222214557U CN 218523088 U CN218523088 U CN 218523088U
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Abstract
The utility model relates to the technical field of breather valves, in particular to a breather valve utilizing gravity to exhaust, which comprises a first valve body component and a second valve body component, wherein the first valve body component is used for connecting a tank body, a main valve is arranged in the second valve body component, and particularly, the bottom of the main valve is connected with the first valve body component through a sealing gasket; the automatic control valve is characterized in that an auxiliary valve rod is arranged in the middle of the main valve, penetrates through the main valve and can move up and down, a self-locking nut is arranged on the upper portion of the auxiliary valve rod, a spring is sleeved on the outer side of the auxiliary valve rod, one end of the spring is connected with the self-locking nut, and the other end of the spring is connected with the main valve. Compared with the prior art, the utility model, its advantage lies in: the utility model discloses a breather valve is when pressure balance, and the main valve realizes sealed because gravity presses on the gasket, when the valve bore by the malleation from bottom to top, pressure exceeded gravity, and the main valve is opened, discharges unnecessary gas, and it is decided by main valve weight to open pressure, utilizes the main valve dead weight, and different batches product property ability parameter keeps the highly uniform.
Description
Technical Field
The utility model relates to a breather valve technical field is an utilize carminative breather valve of gravity particularly.
Background
The breather valve is a safe and energy-saving product for maintaining the air pressure balance of the storage tank and reducing the volatilization of media, the breather valve fully utilizes the bearing capacity of the storage tank to reduce the discharge of the media, and the principle of the breather valve is to utilize the weight of a positive-negative pressure valve disc to control the positive exhaust pressure and the negative suction pressure of the storage tank. When the pressure of the medium in the tank is within the control operation pressure range of the breather valve, the breather valve does not work, and the tightness of the oil tank is kept; when the medium is supplemented into the tank, the pressure of the upper gas space in the tank is raised, and the positive pressure of the operation of the breather valve is reached, the pressure valve is opened, and the gas escapes from the breather valve, so that the pressure in the tank is not continuously raised; when the medium is pumped out of the tank, the pressure of the upper gas space in the tank is reduced, and the operation negative pressure of the breather valve is reached, the negative pressure valve disc of the top breather valve is pushed open by the atmosphere outside the tank, so that the external gas enters the tank, the pressure in the tank is not reduced any more, the pressure inside the tank is balanced with the pressure outside the tank, and the safety device of the storage tank is protected.
In the prior art, the breather valve applies pressure to the valve plate through two sections of springs to realize sealing, and when positive and negative pressure reaches the spring force, the breathing method opens to discharge or suck gas to realize pressure balance inside and outside the oil tank. However, due to the difference of spring batches, the spring force is about 10% different, and the opening pressure of the corresponding breather valve is inconsistent, so that the breather valve cannot be applied to all the spring batches.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve the problem that current breather valve opening pressure is incorrect, provide a breather valve that does not receive spring force to influence.
In order to achieve the purpose, the breathing valve utilizing gravity to exhaust gas is designed, and comprises a first valve body assembly and a second valve body assembly, wherein the first valve body assembly is used for connecting a tank body, a main valve is arranged in the second valve body assembly, and particularly the bottom of the main valve is connected with the first valve body assembly through a sealing gasket; the middle part of the main valve is provided with an auxiliary valve rod, the auxiliary valve rod penetrates through the main valve and can move up and down, the upper part of the auxiliary valve rod is provided with a self-locking nut, the outer side of the auxiliary valve rod is sleeved with a spring, one end of the spring is connected with the self-locking nut, and the other end of the spring is connected with the main valve.
Preferably, the following components: the main valve is arranged in the channel of the second valve body assembly, and the channel of the second valve body assembly is provided with a stroke for the main valve to move up and down.
Preferably, the following components: the upper part of the main valve is communicated with the atmospheric pressure.
Preferably, the following components: and an auxiliary valve plate is arranged at the bottom of the auxiliary valve rod and is sealed with the main valve through a fastening gasket.
Preferably, the following components: and a second self-locking nut is further arranged at the bottom of the auxiliary valve rod and used for fastening the auxiliary valve plate and the fastening gasket.
Preferably: the auxiliary valve rod further comprises a special-shaped check ring for sealing between the auxiliary valve rod and the main valve.
Preferably: still be equipped with filter screen and screen joint in the first valve body subassembly.
Compared with the prior art, the utility model, its advantage lies in: the utility model discloses a breather valve is when pressure balance, and the main valve is because gravity pressure realizes sealed on the gasket, when the valve bore by the malleation from bottom to top, pressure exceeded gravity, and the main valve is opened, and the unnecessary gas of discharge is less than the main valve dead weight until the malleation, and the pressure of opening is decided by main valve weight, utilizes the main valve dead weight, and different batches product property ability parameter keeps highly uniform.
Drawings
FIG. 1 is a structural diagram of the present invention
In the figure: 1. the valve comprises a filter screen connector, 2, a first valve body assembly, 3, a second valve body assembly, 4, a tank body, 5, an auxiliary valve plate, 6, a spring, 7, a self-locking nut, 8, a main valve, 9, an auxiliary valve rod, 10, a screw, 11, a sealing gasket, 12, a special-shaped retaining ring, 13, a second self-locking nut, 14, a filter screen, 15, a fastening gasket and 16, O-shaped rings.
Detailed Description
Example 1
Referring to fig. 1, a breather valve utilizing gravity to exhaust air comprises a first valve body assembly 2 and a second valve body assembly 3, two ends of the first valve body assembly 2 and the second valve body assembly 3 are fastened and connected through screws 10, the first valve body assembly 2 is used for connecting a tank body 4, an O-ring 16 is further arranged between two sides of the tank body 4 and the first valve body assembly, a filter screen 14 and a filter screen connector 1 are further arranged in the first valve body assembly, a main valve 8 is arranged in the second valve body assembly 3, the main valve 8 is arranged in a channel of the second valve body assembly 3, a stroke is reserved in the channel of the second valve body assembly 3 for enabling the main valve 8 to move up and down, an auxiliary valve rod 9 is arranged in the middle of the main valve 8, the auxiliary valve rod 9 penetrates through the main valve 8 and can move up and down, a self-locking nut 7 is arranged on the upper portion of the auxiliary valve rod 9, a spring 6 is sleeved outside the auxiliary valve rod 9, one end of the spring 6 is connected with the self-locking nut 7, the other end of the main valve 8, an auxiliary valve rod 9 is provided with an auxiliary valve plate 5, the auxiliary valve plate 5 is sealed with the main valve 8 through a fastening gasket 15, a second self-locking nut 13 is further arranged on the bottom of the auxiliary valve rod 9 and used for fastening a sealing gasket 12, the main valve plate is connected with the main valve 8, and a valve body 8, and a valve plate 11 connected with an auxiliary valve body assembly, and a special-shaped gasket 11, and a valve body assembly.
Example 2
The utility model provides an utilize carminative breather valve of gravity has following three kinds of operating condition:
working state 1: the atmospheric pressure is equal to the pressure of the tank body
In this state, the respective component states were as described in example 1, and were tightly connected.
And (2) working state: the atmospheric pressure is greater than the pressure of the tank body
Under the condition, under the action of gravity, the main valve 8 is tightly connected with the first valve body assembly 2, the auxiliary valve rod 9 moves downwards under the action of atmospheric pressure, the auxiliary valve plate 5 is driven to move downwards, and a gap is formed between the auxiliary valve plate 5 and the sealing gasket 11, so that atmosphere flows into the first valve body assembly 2 from the second valve body assembly 3 and further flows into the tank body 4, and the pressure of the tank body is increased until the atmospheric pressure is equal to the pressure of the tank body.
And the working state 3: the difference between the pressure of the tank body and the atmospheric pressure is larger than the gravity of the main valve
Under such conditions, when the main valve 8 is subjected to a pressure from bottom to top, and the pressure exceeds the weight of the main valve 8 itself, the main valve 8 moves upward in the passage of the second valve body assembly 3, and the excess gas is discharged until the difference between the tank pressure and the atmospheric pressure is smaller than the main valve's own weight.
The above, only for the concrete implementation of this utility model, but the scope of protection of the utility model is not limited to this, and any person skilled in this technical field is in the technical scope of the utility model discloses, according to the technical scheme and the novel conception of the utility model in addition to equal replacement or change, all should be covered within the scope of protection of the utility model.
Claims (7)
1. The utility model provides an utilize carminative breather valve of gravity, includes first valve body subassembly and second valve body subassembly, and first valve body subassembly is used for connecting jar body, is equipped with the main valve in the second valve body subassembly, its characterized in that
The bottom of the main valve is connected with the first valve body assembly through a sealing gasket;
the middle part of the main valve is provided with an auxiliary valve rod, the auxiliary valve rod penetrates through the main valve and can move up and down, the upper part of the auxiliary valve rod is provided with a self-locking nut, the outer side of the auxiliary valve rod is sleeved with a spring, one end of the spring is connected with the self-locking nut, and the other end of the spring is connected with the main valve.
2. The gravity-assisted breathing valve of claim 1, wherein the main valve is disposed within the passage of the second valve body assembly, the passage of the second valve body assembly being stroked to allow the main valve to move up and down.
3. The gravity-assisted breathing valve of claim 1, wherein the upper portion of the main valve is in communication with atmospheric pressure.
4. A gravity-assisted venting breather valve according to claim 1, wherein the secondary valve stem is provided at its bottom with a secondary valve plate which is sealed against the primary valve by a fastening gasket.
5. The gravity-assisted breathing valve of claim 4, wherein the secondary valve stem is further provided at the bottom thereof with a second self-locking nut for fastening the secondary valve plate and the fastening gasket.
6. The gravity-assisted venting breather valve of claim 4, wherein the secondary valve stem further comprises a shaped retainer ring for sealing between the secondary valve stem and the main valve.
7. The gravity-assisted breathing valve of claim 1, wherein the first valve body assembly further comprises a strainer and a strainer tab disposed therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222214557.8U CN218523088U (en) | 2022-08-23 | 2022-08-23 | Breather valve utilizing gravity to exhaust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222214557.8U CN218523088U (en) | 2022-08-23 | 2022-08-23 | Breather valve utilizing gravity to exhaust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218523088U true CN218523088U (en) | 2023-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222214557.8U Active CN218523088U (en) | 2022-08-23 | 2022-08-23 | Breather valve utilizing gravity to exhaust |
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| Country | Link |
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| CN (1) | CN218523088U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116464811A (en) * | 2023-06-19 | 2023-07-21 | 江苏南极机械有限责任公司 | PV valve with bidirectional pressure relief function |
-
2022
- 2022-08-23 CN CN202222214557.8U patent/CN218523088U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116464811A (en) * | 2023-06-19 | 2023-07-21 | 江苏南极机械有限责任公司 | PV valve with bidirectional pressure relief function |
| CN116464811B (en) * | 2023-06-19 | 2023-09-05 | 江苏南极机械有限责任公司 | PV valve with bidirectional pressure relief function |
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