CN201246502Y - Safe oil relief valve - Google Patents
Safe oil relief valve Download PDFInfo
- Publication number
- CN201246502Y CN201246502Y CNU2008200301390U CN200820030139U CN201246502Y CN 201246502 Y CN201246502 Y CN 201246502Y CN U2008200301390 U CNU2008200301390 U CN U2008200301390U CN 200820030139 U CN200820030139 U CN 200820030139U CN 201246502 Y CN201246502 Y CN 201246502Y
- Authority
- CN
- China
- Prior art keywords
- valve seat
- spool
- valve
- oil drain
- adjusting nut
- 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 - Lifetime
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Abstract
The utility model discloses a safe oil drain valve, which is internally equipped with a valve seat with a longitudinal passage, a sealing ring and a valve core which is located in the valve seat and is engaged with the valve seat, the valve core is inserted in the longitudinal passage from top to bottom and is inserted to the bottom portion of the valve seat, the valve core seals the longitudinal passage through a sealing structure at the upper end portion of the valve core, the sealing ring is arranged between the sealing structure and the valve seat, a clearance is arranged between a portion of the valve core located in the longitudinal passage and the valve seat, the portion of the valve core located in the longitudinal passage is sleeved with a spring, the lower portion of the valve core is equipped with an adjusting screw nut which can move up and down but can not rotate, the adjusting screw nut is located between the valve core and the valve seat and is mounted below the spring, and the adjusting screw nut is equipped with a longitudinal oil drain hole. The utility model has simple structure, low cost, and simple and convenient processing, manufacturing, using and operating, which not only has fine anti-slurry property and long service life, but also can conveniently adjust the oil drain pressure in the valve body.
Description
Technical field
The utility model relates to a kind of safe oil drain valve, especially relates to a kind of safe oil drain valve that is used for oil and other industries usefulness fuel tank.
Background technique
In oil well logging instrument,, all be provided with the trim tank pipe nipple that inside is full of silicone oil usually for balance well hydraulic coupling.In the actual using process, for prevent that silicone oil from high temperature expanding or system failure situation under damage instrument, the trim tank pipe nipple all can be installed oil drain valve usually, releasing pressure automatically when being implemented in the instrument internal pressure and being elevated to a certain value by oil drain valve, thus avoid the instrument internal pressure to raise and damage instrument.At present, existing like product is because Structure Designing Problem, and its maintenance is very inconvenient, thereby has the problem of anti-mud property difference nearly all to some extent, loses oil draining function and consequently cause valve body to be easy to be blocked by dried solid mud; Simultaneously, the draining pressure of its valve body is adjusted inconvenience, can not adjust even, thereby bring a lot of troubles to use; In addition, the vacuum performance of valve inner is also not so good.
The model utility content
Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art, a kind of safe oil drain valve is provided, it is simple in structure, cost is low and processing and fabricating and use easy and simple to handle, good, the long service life of not only anti-mud property, and can adjust the interior draining pressure of valve body easily.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of safe oil drain valve, have valve seat, the seal ring of vertical passage and be positioned at valve seat inner and form by inside with the spool that valve seat is used, it is characterized in that: described spool inserts in the described vertical passage from top to bottom and is inserted into the valve seat bottom, spool seals described vertical passage by the sealing configuration of its upper end portion, be provided with seal ring one between described sealing configuration and the valve seat, spool in described vertical passage part and valve seat between have the gap; Spool is positioned on the part of described vertical passage inside and is set with spring, the spool bottom is equipped with the adjusting nut that can move up and down and can not rotate, described adjusting nut has vertical draining hole between spool and the valve seat and be installed in below the spring on the adjusting nut.
Described sealing configuration is a triangle grooved sealing configuration, and described vertical passage top is provided with the conical seal (contact) face that is used with described triangle grooved sealing configuration.
Described spool bottom is provided with outside thread.
The middle part arranged outside of described spool has seal ring two.
The sidewall of described adjusting nut is provided with one or more lugs that prevent that adjusting nut from rotating in described vertical passage.
Described adjusting nut be shaped as ellipse.
The quantity in described draining hole is at least one.
The quantity in described draining hole is a plurality of and is even laying.
The utility model compared with prior art has the following advantages, and 1, simple in structure, processing and fabricating is convenient and use easy and simple to handle; 2, because the spring in the valve seat is immersed in the oil all the time, thereby can avoid the corrosion of well liquid, avoided to improving the trouble that the spring decay resistance adopts stainless steel spring, because stainless steel spring not only price is expensive, be difficult to buying, and its shear modulus is lower than common spring steel, and the elastic force of stainless steel spring also can be lower than spring steel under the same size simultaneously; 3, good sealing effect, flexible sealing is adopted in the sealing of its valve seat and valve core chamber, thereby the Problem of Failure that can avoid rigid seal to cause because of fitting surface is bad; 4, can realize adjustment simply and easily by adjusting nut to valve body internal drainage pressure, thereby valve body internal drainage pressure is adjusted very convenient, need not dismantle valve body and can carry out stepless adjustment, and the oil drain valve pressure of the costliness of at present external import all is nonadjustable mostly; 5, can guarantee anti-fully mud, anti-mud effect is very good, and can not do the solid valve body that causes and lose efficacy because of mud, thereby, have good safety protection effect.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model adjusting nut.
Description of reference numerals:
1-valve seat; 2-spool; 3-seal ring one;
4-seal ring two; 5-spring; 6-adjusting nut;
7-draining hole; 8-lug.
Embodiment
As shown in Figure 1 and Figure 2, the utility model has valve seat 1, the seal ring of vertical passage by inside and is positioned at valve seat 1 inner and form with the spool 2 that valve seat 1 is used.Described spool 2 inserts in the described vertical passage from top to bottom and is inserted into valve seat 1 bottom, spool 2 seals described vertical passage by the sealing configuration of its upper end portion, and be provided with seal ring 1 between described sealing configuration and the valve seat 1, seal ring 1 is the O RunddichtringO.In the present embodiment, described sealing configuration is a triangle grooved sealing configuration, described vertical passage top is provided with the conical seal (contact) face that is used with described triangle grooved sealing configuration, that is to say that seal ring 1 is between triangle grooved sealing configuration and conical seal (contact) face.And spool 2 in described vertical passage part and valve seat 1 between have the gap, and spool 2 is positioned on the part of described vertical passage inside and is set with spring 5, spool 2 bottoms are equipped with the adjusting nut 6 that can move up and down and can not rotate, and described adjusting nut 6 is between spool 2 and the valve seat 1 and be installed in below the spring 5.And have one or more vertical drainings hole 7 on the adjusting nut 6, and the sidewall of adjusting nut 6 is provided with one or more lugs 8 that prevent that adjusting nut 6 from rotating in described vertical passage.In the present embodiment, be symmetrically arranged with two lugs 8 on the sidewall of adjusting nut 6, be even laying and the quantity in draining hole 7 is 6 and 6 draining holes 7.In the practice, also adjusting nut 6 can be made as ellipse, realize the purpose that prevents that it from rotating in described vertical passage by its ellipsoidal structure.In addition, spool 2 bottoms are provided with outside thread, and the middle part arranged outside of spool 2 has seal ring 24.
In the actual using process, valve seat 1 is installed on the employed oil well logging instrument by the outside thread that its underpart is provided with, the seal ring 1 that sealing usefulness is installed on spool 2 and the spool 2 is installed on the valve seat 1, on the whole, spool 2 is strained on valve seat 1 to play seal action by adjusting nut 6 and spring 5.And, have draining hole 7 on the adjusting nut 6, leave suitable gap between spool 2 and the valve seat 1.When the internal pressure of oil well logging instrument raise, fluid then from bottom to up by the gap between adjusting nut 6, spring 5 and spool 2 and the valve seat 1, was discharged in the pit shaft on valve seat 1 top, makes instrument internal remain normal pressure.
Simultaneously, because spring 5 and adjusting nut be immersed in the oil all the time, thereby can directly not contact with mud, so spring 5 can not get rusty the therefore manufacture cost that has increased with regard to having avoided using stainless steel spring; Further, also can not make spring 5 lose elastic force because of mud is dried admittedly finally causes valve body to lose efficacy.And when the utility model is worked, have only the top of spool 2 directly to contact mud, thereby be easy to cleaning after going up well, at valve core inside valve body was lost efficacy and avoid mud to do admittedly.In addition, because the sealing configuration of spool 2 upper end portions is a triangle grooved sealing configuration, its sealing effect is very good; Thereby when vacuumizing in oil well logging instrument inside, on the spool 2 peculiar triangle grooved sealing configuration can make valve body have than grooved sealing configurations such as rectangle and semicircle better, stronger vacuum seal performance.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection domain of technical solutions of the utility model according to the utility model technical spirit.
Claims (8)
1. safe oil drain valve, have valve seat (1), the seal ring of vertical passage and be positioned at valve seat (1) inner and form by inside with the spool (2) that valve seat (1) is used, it is characterized in that: described spool (2) inserts in the described vertical passage from top to bottom and is inserted into valve seat (1) bottom, spool (2) seals described vertical passage by the sealing configuration of its upper end portion, be provided with seal ring one (3) between described sealing configuration and the valve seat (1), spool (2) is positioned between the part of described vertical passage and the valve seat (1) and has the gap; Spool (2) is positioned on the part of described vertical passage inside and is set with spring (5), spool (2) bottom is equipped with the adjusting nut (6) that can move up and down and can not rotate, described adjusting nut (6) is positioned between spool (2) and the valve seat (1) and is installed in spring (5) below, has vertical draining hole (7) on the adjusting nut (6).
2. according to the described safe oil drain valve of claim 1, it is characterized in that: described sealing configuration is a triangle grooved sealing configuration, and described vertical passage top is provided with the conical seal (contact) face that is used with described triangle grooved sealing configuration.
3. according to claim 1 or 2 described safe oil drain valves, it is characterized in that: described spool (2) bottom is provided with outside thread.
4. according to claim 1 or 2 described safe oil drain valves, it is characterized in that: the middle part arranged outside of described spool (2) has seal ring two (4).
5. according to claim 1 or 2 described safe oil drain valves, it is characterized in that: the sidewall of described adjusting nut (6) is provided with one or more lugs (8) that prevent that adjusting nut (6) from rotating in described vertical passage.
6. according to claim 1 or 2 described safe oil drain valves, it is characterized in that: described adjusting nut (6) be shaped as ellipse.
7. according to claim 1 or 2 described safe oil drain valves, it is characterized in that: the quantity in described draining hole (7) is at least one.
8. according to the described safe oil drain valve of claim 7, it is characterized in that: the quantity in described draining hole (7) is a plurality of and is even laying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200301390U CN201246502Y (en) | 2008-09-01 | 2008-09-01 | Safe oil relief valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200301390U CN201246502Y (en) | 2008-09-01 | 2008-09-01 | Safe oil relief valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201246502Y true CN201246502Y (en) | 2009-05-27 |
Family
ID=40730324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200301390U Expired - Lifetime CN201246502Y (en) | 2008-09-01 | 2008-09-01 | Safe oil relief valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201246502Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016800A (en) * | 2012-12-31 | 2013-04-03 | 东风汽车股份有限公司 | Pressure retaining valve with automatic drainage and pollution discharge functions |
| CN108386546A (en) * | 2018-01-28 | 2018-08-10 | 昆山富凌能源利用有限公司 | Alcohol powered novel environmental fuel range Special oil valve |
| CN109114267A (en) * | 2018-10-09 | 2019-01-01 | 中国船舶重工集团公司第七0五研究所 | A kind of structure improving underwater sailing body floatation pod safety valve stability |
| CN109555882A (en) * | 2019-01-21 | 2019-04-02 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of safety valve suitable for oil-filled cabinet |
| CN110360356A (en) * | 2019-07-19 | 2019-10-22 | 张家港富瑞阀门有限公司 | A kind of hydrogen safety valve |
-
2008
- 2008-09-01 CN CNU2008200301390U patent/CN201246502Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016800A (en) * | 2012-12-31 | 2013-04-03 | 东风汽车股份有限公司 | Pressure retaining valve with automatic drainage and pollution discharge functions |
| CN108386546A (en) * | 2018-01-28 | 2018-08-10 | 昆山富凌能源利用有限公司 | Alcohol powered novel environmental fuel range Special oil valve |
| CN109114267A (en) * | 2018-10-09 | 2019-01-01 | 中国船舶重工集团公司第七0五研究所 | A kind of structure improving underwater sailing body floatation pod safety valve stability |
| CN109555882A (en) * | 2019-01-21 | 2019-04-02 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of safety valve suitable for oil-filled cabinet |
| CN110360356A (en) * | 2019-07-19 | 2019-10-22 | 张家港富瑞阀门有限公司 | A kind of hydrogen safety valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Safety oil drain valve of jack Effective date of registration: 20141218 Granted publication date: 20090527 Pledgee: Commercial Bank of China Limited by Share Ltd Xi'an branch Pledgor: GOWELL PETROLEUM EQUIPMENT CO., LTD. Registration number: 2014610000035 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20170828 Granted publication date: 20090527 Pledgee: Commercial Bank of China Limited by Share Ltd Xi'an branch Pledgor: GOWELL PETROLEUM EQUIPMENT CO., LTD. Registration number: 2014610000035 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090527 |
|
| CX01 | Expiry of patent term |