CN201272593Y - Respiratory valve - Google Patents
Respiratory valve Download PDFInfo
- Publication number
- CN201272593Y CN201272593Y CNU2008200883372U CN200820088337U CN201272593Y CN 201272593 Y CN201272593 Y CN 201272593Y CN U2008200883372 U CNU2008200883372 U CN U2008200883372U CN 200820088337 U CN200820088337 U CN 200820088337U CN 201272593 Y CN201272593 Y CN 201272593Y
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- CN
- China
- Prior art keywords
- valve plate
- cover
- base
- liquid
- exhaust valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a respiratory valve which prevents the liquid from flowing out after the car is turned on one side, which is provided with a liquid leakage-prevention device, and the structure of which comprises a base, a sleeve, an exhausting valve plate and an air intake valve plate, wherein, the base is provided with the sleeve and a spring, and the upper inner side of the sleeve is provided with an upper end cover, and the interior of the sleeve and the upper part of the base are provided with the exhausting valve plate, and the air intake valve plate is formed by extending the lower part upwards of the exhausting valve plate, and the upper end is provided with a pressing cap, and a spiral spring is arranged between the pressing cap and the exhausting valve, and the upper end cover is provided with the liquid leakage prevention device. Compared with the prior art, the respiratory valve has simple, firm and compact structure, good tightness, simple and convenient process and safe and reliable application, and can maintain the air pressure inside the tank body or the container which stores the liquid always stay within the designed pressure range, and prevents the deflation caused by the hypotony of the tank body or the container or the cracking caused by the over-high pressure; moreover, even the car is turned on one side, the respiratory valve can effectively prevent the leakage of the liquid.
Description
Technical field
The utility model relates to a kind of oil tank warehousing and transportation facilities, relates in particular to a kind of device that is used for balance tank body or the inside and outside air pressure of container.
Background technology
The oil tank transport trolley is injecting, is emitting liquid or internal liquid phase mutual friction when moving because of car, produce big pressure, or when evaporating situations such as making its internal pressure minimizing, need make ventilation mutually between tank body or internal tank and the ambient atmosphere, guarantee that tank body or container internal pressure satisfy tank body or Vessel Design force value, prevent that tank body or container pressure from crossing low and take out flat or hypertonia and the phenomenon of explosion takes place.Usually on the tank body of accumulating liquid or container breathing valve is installed, breathing valve is installed in the top of tank body or container.
At present, breathing valve can effectively address the above problem, but just in case car has an accident when turning on one's side, liquid easily flows out from breathing valve, causes heavy economic losses, and serious environment pollution.
The utility model content
The utility model provides a kind of breathing valve that can prevent effectively that car rollover back liquid from flowing out at deficiency of the prior art, and this breathing valve is provided with the biliquid device for preventing leakage.
In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals:
A kind of breathing valve, comprise base, cover, exhaust valve plate, air-intake valve plate, the top of described base is provided with cover, elastic parts, the inboard on the top of cover is provided with upper end cover, the inside of described cover, base top are provided with exhaust valve plate, be provided with air-intake valve plate in the exhaust valve plate, described air-intake valve plate is protruded upward by the bottom of exhaust valve plate, and the upper end is provided with pressure cap, be provided with elastic parts between pressure cap and the exhaust valve plate, it is characterized in that described upper end cover is provided with the first liquid device for preventing leakage.
In the technique scheme, the below of described base is provided with the second liquid device for preventing leakage.
In the technique scheme,, the first liquid device for preventing leakage that is provided with on the described upper end cover comprises depression bar, gland, and an end of described depression bar stretches into upper end cover, and gland is placed on the exhaust valve plate.
In the technique scheme, the second liquid device for preventing leakage that described base below is provided with, comprise overlap, trap, poted assemblies movably, be set on the bottom of base on described, described inboard of going up the cover lower end is provided with traps, the inside of trapping is provided with movably poted assemblies, and has the hole on sidewall, and the lower end of trapping is provided with lower cover.
In the technique scheme, the described cover of going up spins together by screw thread with trapping.
In the technique scheme, described movably poted assemblies is a ball.
In the technique scheme, described ball is a solid sphere.
In the technique scheme, described length of trapping is greater than the double diameter of ball.
In the technique scheme, the distance of described hole and bottom end cover is greater than the radius of ball.
In the technique scheme, described depression bar upper end is provided with moment and adds growth device.
Beneficial effect: the utility model compared with prior art has following beneficial effect:
1) it is simple in structure, firm, compact, good airproof performance, technology are easy, safe and reliable, and it can be in the design pressure scope all the time at the tank body or the air pressure in the container that keep accumulating liquid, prevent that tank body or container from occurring taking out flat or the hypertonia explosion because of hypotony.
2) be provided with two liquid device for preventing leakage, realize double insurance, just in case after car turns on one's side, and which kind of state no matter car be in, and can both effectively prevent leak of liquid.
Figure of description
Accompanying drawing is the utility model structural representation
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail:
See figure: its structure of breathing valve mainly by base 5, cover 3, gland 6, elastic parts 8, elastic parts 11, pressure cap 9, air-intake valve plate 10, exhaust valve plate 4, depression bar 1, upper end cover 2, on overlap 11, trap 12, ball 13 etc. constitutes.
The top of described base 5 is provided with cover 6, elastic parts 8, and base 5 can pour into an integrated entity with cover 6, preferably, links together by welding manner, can improve precision, and make technology easy, reduces assembly difficulty, and elastic parts 8 is a spring.
The inboard on the top of described cover 6 is provided with upper end cover 2, preferably spins together by screw thread, can effectively solve cover 6 of the prior art and adopt the spot welding connection mode with upper end cover 2, and weld zone easily is corroded, causes problems such as cover 6 and upper end cover 2 come off.
The inside of described cover 6, base 5 tops are provided with exhaust valve plate 4, and base 5 can relatively upper and lower activity with exhaust valve plate 4.The bolt of air-intake valve plate 10 upper ends part is protruded upward by the bottom of exhaust valve plate 4, and air-intake valve plate 10 upper end bolts are combined with pressure cap 9, and pressure cap 9 is provided with boss, is provided with elastic parts 14 between pressure cap 9 and the exhaust valve plate 4.
Preferably elastic parts 14 is a conical helical spring, and the boss of pressure cap 9 is withstood in described conical helical spring upper end, and the conical helical spring lower end embeds in the exhaust valve plate 4, and the bottom of air-intake valve plate 10 is provided with groove, is provided with seal ring in the described groove.
Described upper end cover 2 is provided with the first liquid device for preventing leakage, the first liquid device for preventing leakage that is provided with on the described upper end cover 2 comprises depression bar 1, gland 6, one end of described depression bar 1 stretches into upper end cover 5, gland 6 is placed on the exhaust valve plate 4, as preferably, depression bar 1 upper end can be provided with moment and add growth device 17, described moment adds growth device can be the del annular, annular arrangement, also can add a strip shape object on depression bar 1 top, not as limit, that is to say, when even operating personal does not have special tool, also the object rotation depression bar that is easy to gather materials on the spot such as available wooden stick makes its use more convenient.
The bottom of described base 5 is provided with the second liquid device for preventing leakage, the second liquid device for preventing leakage that the bottom of described base 5 is provided with comprises cover 11, trap 12, poted assemblies movably, described upward cover 11 is arranged on the bottom of base 5, described being provided with of 11 lower ends of upward cover traps 12, preferably, described cover 11 and the base 5 gone up, trap 12 all by being threaded, can guarantee working accuracy because adopting is threaded, guarantee that movably poted assemblies 12 cooperates closely with trapping, the described upward cover 11 and 12 middle the communicating of trapping, but air free flow, and on 12 sidewalls of trapping, have hole 16, and 12 lower ends of trapping are welded with lower cover 15, and 12 the inside of trapping is provided with movably poted assemblies.
Described movably poted assemblies can be cone, cylinder etc., and preferably, movably poted assemblies is a ball 13, and described hole 16 is provided with 2 symmetrically, and 12 inner length of trapping are greater than ball 13 double diameter, and described hole 16 is arranged on 12 the middle part of trapping.
Preferably, described base 5, cover 3, gland 6, elastic parts 8, elastic parts 11, pressure cap 9, air-intake valve plate 10, exhaust valve plate 4, depression bar 1, upper end cover 2, on overlap 11, trap 12, ball 13 line of centerss are set to same straight line, that is to say to guarantee its right alignment.
During work, when external pressure during, promptly during negative pressure greater than air pressure inside, external pressure promotes air-intake valve plate 10 and moves downward, and drive pressure cap 9 and walk downward, elastic parts 14 is in compressive state, the beginning air inlet, air pressure inside rises, when its pressure equated with external pressure, elastic parts 14 launched, and drove pressure cap 9 and air-intake valve plate 10 toward rising, the seal ring and the exhaust valve plate 4 in air-intake valve plate 10 outsides are sealed and matched, and finish air inlet.
When external pressure during less than air pressure inside, promptly during malleation, air pressure inside promotes exhaust valve plate 4 upward movements, and elastic parts 8 is in compressive state, the beginning exhaust, air pressure inside descends, when its pressure equates with external pressure, elastic parts 8 launches, and pushes down exhaust valve plate 4, finishes exhaust.
Just in case car rollover, rotation depression bar 1, make it towards the motion of gland 6 directions, when gland 6 is withstood in the end of depression bar 1, also be, gland 6, exhaust valve plate 4, base 5 tightly are combined together, simultaneously ball 13 is under the effect of gravity, leaves 12 the bottom of trapping, and is rolled to 12 tops of trapping, and seal the pore on top, prevent that liquid from flowing out.Even car turns on one's side into 180 when spending, promptly wheel is up the time, and depression bar 1 is pushed down, in the time of can't rotating, ball 13 leaves 12 the bottom of trapping under the effect of gravity, be rolled to 12 tops of trapping, and seal the pore on top, can prevent effectively that also liquid from flowing out, and realizes double insurance.
Claims (10)
1, a kind of breathing valve, comprise base (5), cover (3), exhaust valve plate (4), air-intake valve plate (10), the top of described base (5) is provided with cover (3), elastic parts (8), the inboard on the top of cover (3) is provided with upper end cover (2), the inside of described cover (3), base (5) top is provided with exhaust valve plate (4), be provided with air-intake valve plate (10) in the exhaust valve plate (4), described air-intake valve plate (10) is protruded upward by the bottom of exhaust valve plate (4), and the upper end is provided with pressure cap (9), be provided with elastic parts (14) between pressure cap (9) and the exhaust valve plate (4), it is characterized in that described upper end cover (2) is provided with the first liquid device for preventing leakage.
2, breathing valve as claimed in claim 1 is characterized in that, the below of described base (5) is provided with the second liquid device for preventing leakage.
3, breathing valve as claimed in claim 1, it is characterized in that described upper end cover (2) is gone up the first liquid device for preventing leakage that is provided with, and comprises depression bar (1), gland (6), one end of described depression bar (1) stretches into upper end cover (2), and gland (6) is placed on the exhaust valve plate (4).
4, breathing valve as claimed in claim 2, it is characterized in that, the second liquid device for preventing leakage that described base (5) below is provided with, comprise cover (11), trap (12), poted assemblies movably, described going up overlapped the bottom that (11) are arranged on base (5), and described inboard of going up cover (11) lower end is provided with trap (12), and the inside of trap (12) is provided with movably poted assemblies, and have hole (16) on sidewall, (12) lower end of trapping is provided with lower cover (15).
5, breathing valve as claimed in claim 4 is characterized in that, the described cover (11) of going up spins together by screw thread with trap (12).
6, breathing valve as claimed in claim 4 is characterized in that, described movably poted assemblies is ball (13).
7, breathing valve as claimed in claim 6 is characterized in that, described ball (13) is a solid sphere.
8, breathing valve as claimed in claim 4 is characterized in that, the length of described trapping (12) is greater than the double diameter of ball (13).
9, breathing valve as claimed in claim 4 is characterized in that, the distance of described hole (16) and bottom end cover is greater than the radius of ball (13).
10, breathing valve as claimed in claim 3 is characterized in that, described depression bar (1) upper end is provided with moment and adds growth device (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200883372U CN201272593Y (en) | 2008-06-04 | 2008-06-04 | Respiratory valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200883372U CN201272593Y (en) | 2008-06-04 | 2008-06-04 | Respiratory valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201272593Y true CN201272593Y (en) | 2009-07-15 |
Family
ID=40882941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200883372U Expired - Fee Related CN201272593Y (en) | 2008-06-04 | 2008-06-04 | Respiratory valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201272593Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011070583A1 (en) * | 2009-12-10 | 2011-06-16 | Jain Anand Kumar | Anti theft device for lpg cylinder |
| CN104528220A (en) * | 2014-12-05 | 2015-04-22 | 常熟市贝特机电制造有限公司 | Breather valve |
-
2008
- 2008-06-04 CN CNU2008200883372U patent/CN201272593Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011070583A1 (en) * | 2009-12-10 | 2011-06-16 | Jain Anand Kumar | Anti theft device for lpg cylinder |
| CN104528220A (en) * | 2014-12-05 | 2015-04-22 | 常熟市贝特机电制造有限公司 | Breather valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090715 Termination date: 20120604 |