CN203823085U - Sea valve for oil tank - Google Patents
Sea valve for oil tank Download PDFInfo
- Publication number
- CN203823085U CN203823085U CN201420236361.1U CN201420236361U CN203823085U CN 203823085 U CN203823085 U CN 203823085U CN 201420236361 U CN201420236361 U CN 201420236361U CN 203823085 U CN203823085 U CN 203823085U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- fixedly connected
- guide rod
- cylinder body
- 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
Links
Landscapes
- Lift Valve (AREA)
Abstract
The utility model discloses a sea valve for an oil tank. The sea valve for the oil tank comprises a valve body, a valve deck, a valve element, a reset spring, an ejector rod, a guide rod, a cylinder cover, a cylinder body, a piston and a gas connector. An oil inlet and an oil outlet are formed in the valve body. The valve deck is fixedly connected with the valve body. The valve element is in sealing fit with the inner wall of the valve body. One end of the guide rod is connected with the valve deck in a sliding mode and the other end of the guide rod is connected with the valve element. The reset spring is arranged on the guide rod in a sleeved mode. One end of the reset spring abuts against the valve deck and the other end of the reset spring abuts against the valve element. The cylinder cover is fixedly connected with the valve body and fixedly connected with the cylinder body. One end of the ejector rod abuts against the guide rod and the other end of the ejector rod penetrates through the cylinder cover, stretches into an inner cavity of the cylinder body and is fixedly connected with the piston in the inner cavity of the cylinder body. The gas connector is fixedly connected with the cylinder body and communicated with the inner cavity of the cylinder body. An annular limiting protrusion stretching inwards is arranged on the inner wall of the valve body. The valve element is in conical surface fit with the annular limiting protrusion of the valve body. According to the sea valve, the sealing fit effect between the valve element and the valve body is good and the phenomenon of oil leakage is avoided.
Description
Technical field
The utility model relates to a kind of fuel tank field, especially a kind of being arranged on oil tank for loading and unloading the sea cock and valve of oil plant.
Background technique
On traditional fuel tank, in the sea cock and valve of oil tank, be provided with spool, the plane annular projection of stretching on spool and valve interior wall is plane sealing, although this structure can play the effect of sealing, but after using the long period, can in the plane annular projection of valve interior wall, accumulate greasy dirt, easily cause sealing surface out-of-flatness, the sealing effect of spool and ring packing plane is affected, and directly causes the phenomenons such as leakage of oil to occur.
Model utility content
The purpose of this utility model is to provide spool and the valve seal fiting effect in a kind of sea cock and valve good, avoids the sea cock and valve of the fuel tank of oil leakage phenomenon generation.
The technological scheme that realizes above-mentioned purpose is: a kind of sea cock and valve of oil tank, comprise valve body, valve gap, spool, Returnning spring, push rod, guide rod, cylinder cap, cylinder body, the gentle joint of piston, valve body is provided with oil inlet hole and oil outlet, valve gap is fixedly connected with valve body, spool coordinates with the inner wall sealing of valve body, one end of guide rod is connected with valve gap slippage, the other end and spool load, Returnning spring is sleeved on guide rod, and one end and valve gap offset, the other end and spool offset, cylinder cap is fixedly connected with valve body, cylinder cap is fixedly connected with cylinder body, one end and the guide rod of push rod offset, the other end stretches into the inner chamber of cylinder body through cylinder cap, and be fixedly connected with the piston in the inner chamber of cylinder body, gas joint is fixedly connected with cylinder body, and communicate with the inner chamber of cylinder body, the ring-type spacing preiection of stretching in having on the inwall of described valve body, the oil inlet hole side of ring-type spacing preiection has conical surface, and spool is conical surface with the ring-type spacing preiection of valve body and coordinates.
On described cylinder body, be also provided with emergent bolt and bolt mounting holes, emergent bolt is threaded with bolt mounting holes, and threaded connection place seals.
The other end of described guide rod is provided with location blind hole, and one end of push rod is stretched in the blind hole of location.
Described valve gap is fixedly connected with valve body by jump ring.
On the conical surface of the oil inlet hole side of described ring-type spacing preiection, there is annular seal groove, and be provided with seal ring in annular seal groove.
The periphery of described valve body is provided with mounting flange, and the mounting flange place of valve body is provided with annular and cuts off groove.
Adopt after the structure of technique scheme, the ring-type spacing preiection of stretching in having on inwall due to described valve body, spool is conical surface with the ring-type spacing preiection of valve body and coordinates, and therefore, with respect to the plane sealing of prior art, has improved sealing effect, and in long-term using process, greasy dirt can not be stacked on ring-type spacing preiection, thereby does not affect the coordinating of conical seal surface of spool and ring-type spacing preiection, has improved sealing effect, avoid the generation of oil leakage phenomenon, long service life.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the A-A sectional view of Fig. 1.
Embodiment
The embodiment who provides below in conjunction with accompanying drawing is described in further detail the utility model.
As Fig. 1, shown in 2, a kind of sea cock and valve of oil tank, comprise valve body 1, valve gap 2, spool 3, Returnning spring 4, push rod 5, guide rod 15, cylinder cap 6, cylinder body 7, the gentle joint 9 of piston 8, valve body 1 is provided with oil inlet hole 1-1 and oil outlet 1-2, valve gap 2 is fixedly connected with valve body 1, spool 3 coordinates with the inner wall sealing of valve body 1, one end of guide rod 15 is connected with valve gap 2 slippages, the other end and spool 3 loads, Returnning spring 4 is sleeved on guide rod 15, and one end and valve gap 2 offset, the other end and spool 3 offset, cylinder cap 6 is fixedly connected with valve body 1, cylinder cap 6 is fixedly connected with cylinder body 7, one end of push rod 5 and guide rod 15 offset, the other end stretches into the inner chamber of cylinder body 7 through cylinder cap 6, and be fixedly connected with the piston 8 in the inner chamber of cylinder body 7, gas joint 9 is fixedly connected with cylinder body 7, and communicate with the inner chamber of cylinder body 7, the ring-type spacing preiection 1-3 stretching in having on the inwall of described valve body 1, the oil inlet hole 1-1 side of ring-type spacing preiection 1-3 has conical surface, and spool 3 is conical surface with the ring-type spacing preiection 1-3 of valve body 1 and coordinates.
Shown in Figure 2, for when running into special circumstances, can turn on emergent bolt 12 and open cylinder body 7 Exhaust Gas, on described cylinder body 7, be also provided with emergent bolt 12 and bolt mounting holes 7-1, and emergent bolt 12 is threaded and seals with bolt mounting holes 7-1.
Shown in Figure 2, when making push rod 5 promote guide rod 15, guide rod 15 there will not be radial-play, and spool 3 can not tilt yet, and the other end of described guide rod 15 is provided with location blind hole 15-1, and one end of push rod 5 is stretched in the blind hole 15-1 of location.
Shown in Figure 2, for easy assembly and disassembly, described valve gap 2 is fixedly connected with valve body 1 by jump ring 16.
Shown in Figure 2, in order further to improve the conical surface sealing effect of ring-type spacing preiection 1-3, on the conical surface of the oil inlet hole 1-1 side of described ring-type spacing preiection 1-3, there is annular seal groove 3-1, and be provided with seal ring 3-2 in annular seal groove 3-1.
Shown in Fig. 1,2, the periphery of described valve body 1 is provided with mounting flange 1-4, and the mounting flange 1-4 place of valve body 1 is provided with annular and cuts off groove 1-5, because mounting flange 1-4 need to be arranged on oil tank, shown in Figure 2, mounting flange of the present utility model bottom, can only be positioned at the outside of oil tank, when special circumstances appear in oil tank, such as traffic accident etc., being positioned at mounting flange bottom can cut off the fracture of groove 1-5 place, makes the whole body that departs from this position, has improved Security.
Shown in Figure 1, when the utility model is used, when by 9 ventilation of gas joint, piston 8 drives push rod 5 and guide rod 15 that spool 3 is backed down, oil just can flow to from oil inlet hole 1-1, and flow out from oil outlet 1-2, spool 3 of the present utility model is when closed condition, spool 3 is sealed and matched with ring-type spacing preiection 1-3, because being conical surface with the ring-type spacing preiection 1-3 of valve body 1, spool 3 coordinates, therefore with respect to the plane sealing of prior art, improved sealing effect, and in long-term using process, thereby do not affect the coordinating of conical seal surface of spool 3 and ring-type spacing preiection 1-3, improved sealing effect, avoid the generation of oil leakage phenomenon, long service life.When running into the unexpected slippage of oil tank, the annular that flange 1-4 place is provided with is cut off groove 1-5, can be cut off under external force, and being sealed and matched of conical surface place is unaffected, to prevent that external connecting pipe part is to destructions such as tearing of oil tank, guarantee that the oil product in oil tank is not revealed, improved Security.
Claims (6)
1. the sea cock and valve of an oil tank, comprise valve body (1), valve gap (2), spool (3), Returnning spring (4), push rod (5), guide rod (15), cylinder cap (6), cylinder body (7), the gentle joint of piston (8) (9), valve body (1) is provided with oil inlet hole (1-1) and oil outlet (1-2), valve gap (2) is fixedly connected with valve body (1), spool (3) coordinates with the inner wall sealing of valve body (1), one end of guide rod (15) is connected with valve gap (2) slippage, the other end and spool (3) load, Returnning spring (4) is sleeved on guide rod (15), and one end and valve gap (2) offset, the other end and spool (3) offset, cylinder cap (6) is fixedly connected with valve body (1), cylinder cap (6) is fixedly connected with cylinder body (7), one end of push rod (5) and guide rod (15) offset, the other end stretches into the inner chamber of cylinder body (7) through cylinder cap (6), and be fixedly connected with the piston (8) in the inner chamber of cylinder body (7), gas joint (9) is fixedly connected with cylinder body (7), and communicate with the inner chamber of cylinder body (7), it is characterized in that: the ring-type spacing preiection (1-3) of stretching in having on the inwall of described valve body (1), oil inlet hole (1-1) side of ring-type spacing preiection (1-3) has conical surface, and spool (3) is conical surface with the ring-type spacing preiection (1-3) of valve body (1) and coordinates.
2. the sea cock and valve of oil tank according to claim 1, is characterized in that: on described cylinder body (7), be also provided with emergent bolt (12) and bolt mounting holes (7-1), and emergent bolt (12) is threaded and seals with bolt mounting holes (7-1).
3. the sea cock and valve of oil tank according to claim 1, is characterized in that: the other end of described guide rod (15) is provided with location blind hole (15-1), and one end of push rod (5) is stretched in location blind hole (15-1).
4. the sea cock and valve of oil tank according to claim 1, is characterized in that: described valve gap (2) is fixedly connected with valve body (1) by jump ring (16).
5. the sea cock and valve of oil tank according to claim 1, is characterized in that: the periphery of described valve body (1) is provided with mounting flange (1-4), and the mounting flange (1-4) of valve body (1) is located to be provided with annular and cut off groove (1-5).
6. the sea cock and valve of oil tank according to claim 1, is characterized in that: on the conical surface of oil inlet hole (1-1) side of described ring-type spacing preiection (1-3), have annular seal groove (3-1), and be provided with seal ring (3-2) in annular seal groove (3-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420236361.1U CN203823085U (en) | 2014-05-09 | 2014-05-09 | Sea valve for oil tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420236361.1U CN203823085U (en) | 2014-05-09 | 2014-05-09 | Sea valve for oil tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203823085U true CN203823085U (en) | 2014-09-10 |
Family
ID=51478589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420236361.1U Expired - Fee Related CN203823085U (en) | 2014-05-09 | 2014-05-09 | Sea valve for oil tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203823085U (en) |
-
2014
- 2014-05-09 CN CN201420236361.1U patent/CN203823085U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203939676U (en) | A kind of diaphragm pump | |
| CN202451859U (en) | High temperature and pressure middle flange seal valve | |
| CN204457568U (en) | A kind of gas wellhead equipment adopting metal sealing | |
| CN204083647U (en) | High pressure pipe line port sealing structure | |
| CN203823085U (en) | Sea valve for oil tank | |
| CN205190741U (en) | Sealing device who combines radial seal and axial seal | |
| CN204025974U (en) | A kind of inflating gas cylinder joint | |
| CN204512557U (en) | Double-sealing tyre valve | |
| CN201910363U (en) | Self-sealing valve used for being connected with density relay | |
| CN204175985U (en) | Be provided with the butterfly valve of hydraulic sealing structure | |
| CN205479563U (en) | Pressure reducing valve | |
| CN205743833U (en) | A kind of high pressure VR blocks up | |
| CN204312926U (en) | The blind plate of porose sealing configuration is set | |
| CN203892643U (en) | External pilot relief valve structure | |
| CN203823084U (en) | Sea valve of oil tank | |
| CN204459426U (en) | A kind of valve double-layer movable sealing configuration | |
| CN204403394U (en) | Valve rod unitary tape stop screw type valve | |
| CN203742754U (en) | Novel water pipe connection structure of diesel engine | |
| CN204253505U (en) | A kind of seal arrangement preventing hydraulic machine piston bar oil impregnate | |
| CN203926912U (en) | Non-return overflow combiner valve | |
| CN203272892U (en) | Novel check valve | |
| CN203130015U (en) | Blowout-preventing offset-regulating multistage-sealing sucker rod sealer | |
| CN202646900U (en) | Valve rod sealing device | |
| CN202579394U (en) | Ultrahigh pressure overflow valve | |
| CN204851849U (en) | Steam turbine high pressure governing valve servomotor hydro -cylinder uide bushing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20170509 |