CN213809069U - Anti-overflow fire-retardant breather valve - Google Patents
Anti-overflow fire-retardant breather valve Download PDFInfo
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- CN213809069U CN213809069U CN202022931426.2U CN202022931426U CN213809069U CN 213809069 U CN213809069 U CN 213809069U CN 202022931426 U CN202022931426 U CN 202022931426U CN 213809069 U CN213809069 U CN 213809069U
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- fire
- tank body
- negative pressure
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- 239000003063 flame retardant Substances 0.000 title description 5
- 238000007789 sealing Methods 0.000 claims description 21
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 7
- 230000009970 fire resistant effect Effects 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
- 230000008020 evaporation Effects 0.000 abstract description 5
- 238000001704 evaporation Methods 0.000 abstract description 5
- 230000009471 action Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000011324 bead Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000003434 inspiratory effect Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of a tank body breather valve, in particular to an anti-overflow flow fire-resistance breather valve, which comprises a valve seat and a valve cover which are arranged at the top of a tank body, wherein the valve cover is arranged at the top of the valve seat, the valve seat comprises an upper half body connected with the valve cover and a lower half body extending into the tank body, the upper half body and the lower half body are respectively internally provided with an upper cavity chamber and a lower cavity chamber, a communicating hole is communicated between the upper half body and the lower half body, the bottom of the lower cavity chamber is provided with a wind shield, a pressure ball is arranged at the top of the wind shield, the top of the lower cavity chamber is provided with an O-shaped ring matched with the pressure ball, a gap is reserved between the O-shaped ring and the pressure ball, the outer side of the lower half body is provided with a plurality of breather holes communicated with the inner part of the tank body, the outer side of the lower half body is provided with a fire-resistance net, the fire-resistance net is wrapped at the outer side of the breather holes, the oil in the tank body can be effectively prevented from overflowing from the breather valve when the tank body is inclined or overturned, can effectively slow down the evaporation of oil in the tank body.
Description
Technical Field
The utility model relates to a jar technical field of breather valve especially relates to an anti-overflow fire resistance breather valve.
Background
The breather valve has the functions of discharging positive pressure and negative pressure. The specific expression is that when the container bears a certain 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 can open the negative pressure of the inhaled gas discharge, so that the pressure is ensured within a certain range, and the safety of the container is ensured. When the tank body of the conventional breather valve for the tank car is tilted or overturned, the situation that liquid in the tank body overflows from the breather valve easily occurs, and oil in the tank car is seriously evaporated through the breather valve, so that the practicability is low.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a can prevent effectively that jar body from taking place to heel or when toppling the internal oil of jar from the condition that the breather valve overflow came out to can effectively slow down the evaporation of the internal oil of jar, improve the anti-overflow flow resistance fire breather valve of practicality.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the overflow-preventing fire-retardant breather valve comprises a valve seat and a valve cover, wherein the valve seat and the valve cover are installed at the top of a tank body, the valve seat is installed at the top of the valve seat, the valve seat comprises an upper half body connected with the valve cover and a lower half body extending into the tank body, an upper cavity and a lower cavity are respectively arranged inside the upper half body and the lower half body, a communicating hole is communicated and arranged between the upper half body and the lower half body, a wind shield is arranged at the bottom of the lower cavity, a pressure ball is placed at the top of the wind shield, an O-shaped ring matched with the pressure ball is arranged at the top of the lower cavity, a gap is reserved between the O-shaped ring and the pressure ball, a plurality of breathing holes communicated with the interior of the tank body are formed in the outer side of the lower half body, and a fire-blocking net is arranged on the outer side of the lower half body and wraps the breathing holes.
Preferably, the inside of valve gap is provided with malleation valve clack, negative pressure valve clack, malleation spring, negative pressure spring and sealed the pad, sealed pad clamps in the bottom of malleation valve clack to sealed bottom of pad is pasted tightly with the top of disk seat, the perforation that link up about the middle part of malleation valve clack is provided with, the top and the bottom of malleation spring are pasted tightly with the interior roof of valve gap and the top of malleation valve clack respectively, the negative pressure valve plate is located the below of malleation valve clack, and the top of negative pressure valve clack is pasted tightly with sealed bottom of filling up to be provided with the connecting rod on the top of negative pressure valve clack, the perforation is passed on the top of connecting rod to be provided with stop nut on the top of connecting rod, the outside of connecting rod is located to the negative pressure spring cover to the top and the bottom of negative pressure spring are pasted tightly with stop nut's bottom and the top of malleation valve clack respectively.
Preferably, the sealing gasket is of an inverted U-shaped structure, the bottom of the outer ring of the sealing gasket is attached to the top end of the valve seat, and the bottom of the inner ring of the sealing gasket is attached to the top end of the negative pressure valve plate.
Preferably, the pressure ball is of a hemispherical structure, and a hollow groove is formed in the bottom of the pressure ball.
Preferably, the bottom of the lower cavity is provided with an annular clamping groove, a clamp spring for supporting the wind shield is arranged in the annular clamping groove, the edge of the wind shield is located in the annular clamping groove, and the outer edge of the top end of the wind shield is tightly attached to the inner top wall of the annular clamping groove.
Preferably, the valve cover and the valve seat adopt a bolt type connecting structure, and a vent hole is reserved between the valve cover and the valve seat.
(III) advantageous effects
Compared with the prior art, the utility model provides an anti-overflow fire resistance breather valve possesses following beneficial effect:
1. when the tank body is tilted or overturned, the pressure ball tilts and is tightly attached to the bottom of the O-shaped ring under the action of self gravity, so that the tank body can tilt in which direction, the pressure ball tilts in which direction and blocks the communicating hole, and the situation that oil in the tank body overflows from the breather valve when the tank body is tilted or overturned can be effectively prevented;
2. this anti-overflow flow fire resistance breather valve, outside air gets into the jar body, change the air current direction through the deep bead, and it is internal that the breather hole through the level setting gets into jar, the air current direction becomes the level by vertical direction and prevents the direction, ensure that inspiratory air is at first with the oil-gas mixture at jar internal top, make the oil gas concentration at top reduce, when jar body becomes to receive oil from sending out oil, the expired is exactly the lower gas of concentration that the top mixes before, can reduce the consumption of oil mass, and through hindering the fire net, make outside air get into jar body when at first collide on the back-fire relief net, rather than on the direct impact oil, can effectively slow down the evaporation of jar internal oil, and the practicability is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic view of a part of an enlarged structure at a in fig. 1 according to the present invention;
fig. 3 is a schematic perspective view of the present invention;
in the drawings, the reference numbers: 1. a valve seat; 2. a valve cover; 3. an upper half body; 4. a lower half body; 5. a wind deflector; 6. a pressure ball; 7. an "O" ring; 8. a breathing hole; 9. a fire blocking net; 10. a positive pressure valve flap; 11. a negative pressure valve clack; 12. a positive pressure spring; 13. a negative pressure spring; 14. a gasket; 15. A connecting rod; 16. a limit nut; 17. a hollow groove; 18. and a clamp spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the anti-overflow fire-resistance breather valve of the present invention comprises a valve seat 1 and a valve cover 2 installed on the top of a tank body, the valve cover 2 is installed on the top of the valve seat 1, the valve seat 1 comprises an upper half body 3 connected with the valve cover 2 and a lower half body 4 extending into the tank body, the upper half body 3 and the lower half body 4 are respectively provided with an upper chamber and a lower chamber inside, a communicating hole is arranged between the upper half body 3 and the lower half body 4, the bottom of the lower chamber is provided with a wind shield 5, a pressure ball 6 is placed on the top of the wind shield 5, the top of the lower chamber is provided with an "O" shaped ring 7 matched with the pressure ball 6, a gap is left between the "O" shaped ring 7 and the pressure ball 6, the outer side of the lower half body 4 is provided with a plurality of breathing holes 8 communicated with the tank body inside, the outer side of the lower half body 4 is provided with a fire-resistance net 9, the fire-retardant net 9 is wrapped on the outer side of the breathing hole 8; when the tank body is inclined or overturned, the pressure ball 6 inclines under the action of self gravity and is tightly attached to the bottom of the O-shaped ring 7, so that the tank body can incline towards which direction, the pressure ball 6 can incline towards which direction, and the communicating hole is blocked, thereby effectively preventing the oil in the tank body from overflowing out of the breather valve when the tank body is inclined or overturned; outside air gets into jar body, change the air current direction through deep bead 5, and it is internal that 8 breathing holes that set up through the level get into jar, the air current direction becomes the level by vertical direction and prevents the direction, ensure that inspiratory air at first and the oil-gas mixture at jar internal top, make the oil gas concentration at top reduce, when jar body becomes to receive oil from sending out oil, the expired is exactly the lower gas of concentration that the top mixed before, can reduce the consumption of oil mass, and through fire blocking net 9, make outside air at first collide on fire blocking net 9 when getting into jar body, but not on the direct impact oil, can effectively slow down the evaporation of jar internal oil, the high practicality.
The inside of valve gap 2 is provided with malleation valve clack 10, negative pressure valve clack 11, malleation spring 12, negative pressure spring 13 and sealed the pad 14, sealed pad 14 clamps in malleation valve clack 10's bottom to sealed pad 14's bottom pastes tightly with the top of disk seat 1, the middle part of malleation valve clack 10 is provided with the perforation of lining up from top to bottom, malleation spring 12's top and bottom paste tightly with the interior roof of valve gap 2 and malleation valve clack 10's top respectively, the negative pressure valve plate is located malleation valve clack 10's below, and the top of negative pressure valve clack 11 pastes tightly with sealed pad 14's bottom, and is provided with connecting rod 15 at the top of negative pressure valve clack 11, the perforation is passed at the top of connecting rod 15 to be provided with stop nut 16 at the top of connecting rod 15, negative pressure spring 13 covers the outside of locating connecting rod 15 to the top and the bottom of negative pressure spring 13 paste tightly with stop nut 16's bottom and malleation valve clack 10's top respectively, the valve cover 2 and the valve seat 1 adopt a bolt type connecting structure, three positioning pins are arranged on the valve cover 2, three groups of pin holes are arranged on the valve seat 1 and are rotatably arranged in the pin holes of the valve seat 1 through the three groups of positioning pins, then the locking screw is used for locking, the installation is convenient, which is the prior art and is not described in more detail, and a vent hole is reserved between the valve cover 2 and the valve seat 1 and is used for communicating the inside of the tank body, when the interior of the tank body is in positive pressure, the positive pressure spring 12 is compressed through the pressure difference, so that the positive pressure valve flap 10 moves upwards, so that the sealing gasket 14 is separated from the valve seat 1, the gas in the tank body overflows from the gap between the sealing gasket 14 and the valve seat 1, when the internal pressure of the tank body is negative, the negative pressure spring 13 is compressed by the pressure difference, the negative pressure valve flap 11 moves downwards, so that the sealing gasket 14 is separated from the negative pressure valve plate, and outside air enters the tank body through a gap between the sealing gasket 14 and the negative pressure valve flap 11.
The sealing gasket 14 is of an inverted U-shaped structure, the bottom of the outer ring of the sealing gasket 14 is attached to the top end of the valve seat 1, the bottom of the inner ring of the sealing gasket 14 is attached to the top end of the negative pressure valve plate, the outer edge of the sealing gasket 14 is matched with the valve seat 1 to form positive pressure sealing, and the inner edge of the sealing gasket is matched with the negative pressure valve clack 11 to form negative pressure sealing.
The pressure ball 6 is of a hemispherical structure, a hollow groove 17 is formed in the bottom of the pressure ball 6, the pressure ball 6 is of a top-heavy-bottom-light structure, and the pressure ball 6 is convenient to match with the O-shaped ring 7 when the tank body is inclined.
The bottom of the lower cavity is provided with an annular clamping groove, a clamp spring 18 for supporting the wind shield 5 is arranged in the annular clamping groove, the edge of the wind shield 5 is positioned in the annular clamping groove, and the outer edge of the top end of the wind shield 5 is tightly attached to the inner top wall of the annular clamping groove; the bottom of the lower half body 4 is sealed by the wind shield 5, and gas is prevented from entering and exiting from the bottom of the lower half body 4.
When the tank body is used, when the tank body is inclined or overturned, the pressure ball 6 inclines under the action of self gravity and is tightly attached to the bottom of the O-shaped ring 7, so that the tank body can incline towards which direction, the pressure ball 6 can incline towards which direction to block the communicating hole, and the condition that oil in the tank body overflows from the breather valve when the tank body is inclined or overturned can be effectively prevented; outside air gets into jar body, change the air current direction through deep bead 5, and it is internal that 8 breathing holes that set up through the level get into jar, the air current direction becomes the level by vertical direction and prevents the direction, ensure that inspiratory air at first and the oil-gas mixture at jar internal top, make the oil gas concentration at top reduce, when jar body becomes to receive oil from sending out oil, the expired is exactly the lower gas of concentration that the top mixed before, can reduce the consumption of oil mass, and through fire blocking net 9, make outside air at first collide on fire blocking net 9 when getting into jar body, but not on the direct impact oil, can effectively slow down the evaporation of jar internal oil, the high practicality.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An anti-overflow fire-resistance breather valve comprises a valve seat (1) and a valve cover (2) which are arranged at the top of a tank body, wherein the valve cover (2) is arranged at the top of the valve seat (1), the anti-overflow fire-resistance breather valve is characterized in that the valve seat (1) comprises an upper half body (3) connected with the valve cover (2) and a lower half body (4) extending into the tank body, an upper cavity and a lower cavity are respectively arranged inside the upper half body (3) and the lower half body (4), a communicating hole is communicated between the upper half body (3) and the lower half body (4), a wind shield (5) is arranged at the bottom of the lower cavity, a pressure ball (6) is placed at the top of the wind shield (5), an O-shaped ring (7) matched with the pressure ball (6) is arranged at the top of the lower cavity, a gap is reserved between the O-shaped ring (7) and the pressure ball (6), a plurality of breather holes (8) communicated with the interior of the tank body are arranged at the outer side of the lower half body (4), the outer side of the lower half body (4) is provided with a fire blocking net (9), and the fire blocking net (9) is wrapped on the outer side of the breathing hole (8).
2. The anti-overflow flow fire-resistance breather valve according to claim 1, wherein the valve cover (2) is internally provided with a positive pressure valve flap (10), a negative pressure valve flap (11), a positive pressure spring (12), a negative pressure spring (13) and a sealing gasket (14), the sealing gasket (14) is clamped at the bottom end of the positive pressure valve flap (10), the bottom end of the sealing gasket (14) is tightly attached to the top of the valve seat (1), the middle part of the positive pressure valve flap (10) is provided with a through hole which is vertically communicated, the top end and the bottom end of the positive pressure spring (12) are respectively tightly attached to the inner top wall of the valve cover (2) and the top end of the positive pressure valve flap (10), the negative pressure valve plate is located below the positive pressure valve flap (10), the top end of the negative pressure valve flap (11) is tightly attached to the bottom end of the sealing gasket (14), and a connecting rod (15) is arranged at the top end of the negative pressure valve flap (11), the top end of the connecting rod (15) passes through the through hole, and a limit nut (16) is arranged at the top end of the connecting rod (15), the negative pressure spring (13) is sleeved outside the connecting rod (15), and the top end and the bottom end of the negative pressure spring (13) are respectively attached to the bottom end of the limit nut (16) and the top end of the positive pressure valve clack (10).
3. The anti-overflow fire-resistant breather valve according to claim 2, wherein the sealing gasket (14) is of an inverted U-shaped structure, the bottom of the outer ring of the sealing gasket (14) is attached to the top end of the valve seat (1), and the bottom of the inner ring of the sealing gasket (14) is attached to the top end of the negative pressure valve plate.
4. Overfill prevention fire breathing valve according to claim 1, wherein said pressure ball (6) is of a hemispherical structure and the bottom of the pressure ball (6) is provided with a hollow groove (17).
5. The anti-overflow fire-resistance breather valve according to claim 1, wherein the bottom of the lower chamber is provided with an annular clamping groove, a clamping spring (18) for supporting the wind shield (5) is arranged in the annular clamping groove, the edge of the wind shield (5) is positioned in the annular clamping groove, and the outer edge of the top end of the wind shield (5) is tightly attached to the inner top wall of the annular clamping groove.
6. The anti-overflow fire-resistance breather valve according to claim 1, wherein the valve cover (2) and the valve seat (1) adopt a pin type connecting structure, and a vent hole is reserved between the valve cover (2) and the valve seat (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022931426.2U CN213809069U (en) | 2020-12-09 | 2020-12-09 | Anti-overflow fire-retardant breather valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022931426.2U CN213809069U (en) | 2020-12-09 | 2020-12-09 | Anti-overflow fire-retardant breather valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213809069U true CN213809069U (en) | 2021-07-27 |
Family
ID=76945420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022931426.2U Active CN213809069U (en) | 2020-12-09 | 2020-12-09 | Anti-overflow fire-retardant breather valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213809069U (en) |
-
2020
- 2020-12-09 CN CN202022931426.2U patent/CN213809069U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Anti overflow and fire retardant breathing valve Effective date of registration: 20230328 Granted publication date: 20210727 Pledgee: Bank of China Limited by Share Ltd. Cangzhou branch Pledgor: Hebei Guangde tank valve technology Co.,Ltd. Registration number: Y2023980036610 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20210727 Pledgee: Bank of China Limited by Share Ltd. Cangzhou branch Pledgor: Hebei Guangde tank valve technology Co.,Ltd. Registration number: Y2023980036610 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |