CN203239280U - Anti-theft anti-freezing sampling valve - Google Patents
Anti-theft anti-freezing sampling valve Download PDFInfo
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- CN203239280U CN203239280U CN 201320094067 CN201320094067U CN203239280U CN 203239280 U CN203239280 U CN 203239280U CN 201320094067 CN201320094067 CN 201320094067 CN 201320094067 U CN201320094067 U CN 201320094067U CN 203239280 U CN203239280 U CN 203239280U
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- spool
- valve body
- spanner
- sidewall
- cavity
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- 238000005070 sampling Methods 0.000 title claims abstract description 56
- 238000007710 freezing Methods 0.000 title 1
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 3
- 239000003208 petroleum Substances 0.000 claims description 27
- 238000007789 sealing Methods 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 8
- 239000003921 oil Substances 0.000 abstract description 45
- 239000010779 crude oil Substances 0.000 abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 238000011084 recovery Methods 0.000 abstract description 2
- 208000001034 Frostbite Diseases 0.000 abstract 4
- 235000019198 oils Nutrition 0.000 description 37
- 230000000694 effects Effects 0.000 description 6
- 238000009835 boiling Methods 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003129 oil well Substances 0.000 description 3
- 241000252983 Caecum Species 0.000 description 2
- 210000004534 cecum Anatomy 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 206010053615 Thermal burn Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002528 anti-freeze Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000019476 oil-water mixture Nutrition 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a prevent frostbite and prevent frostbite sampling valve, in particular to a well head prevent frostbite and sample valve for oil recovery field oil-water well, including valve body and case, the valve body is the tubulose and inlays the dress in the oil transportation pipe, the one end opening and the fixed connection of valve body are in oil transportation pipe wall, the other end of valve body extends to defeated oil pipe center, the case is cylindricly and can be around the rotatory holding of axial in the valve body, the case has along axial cavity, the one end at the center of defeated oil pipe of cavity orientation is sealed, the other end of cavity is opened and is linked together with the external world, the valve body has the breach formation oil feed end along axial extension, along radially seting up the oil feed passageway that has a perfect understanding on the lateral wall of case, this case of case drive is around the axial rotation through the spanner that inserts. The utility model discloses can avoid storing up crude oil in the valve body, and then need not empty in advance and effectively prevent frostbite winter when using.
Description
Technical field
The utility model relates to a kind of sample valve, particularly a kind of well-mouth theft-prevention antifreezing sampling valve for oil recovery field oil-water well.
Background technology
At present, oil well sampling is a simple and important job, and accurately whether the whether accurate oil production that is related to oil well of taking a sample, whether the oil field development data true.The sample cock of at present oil field use mostly is common hand wheel type flashboard valve, and this flashboard valve can be opened by external personnel easily owing to there is not anti-theft feature, causes the environment of losing and pollute periphery of crude oil.Chinese utility model patent (notice of authorization CN2799993Y) discloses a kind of anti-theft sampling valve, comprise valve body and be arranged at the interior spool of valve body, the valve body hollow opening is provided with import and outlet, one end of spool and the import cone seal of valve body, the other end of spool cooperates with valve body screw thread, and be provided with the mechanism of double wedge shape or groove shape switch valve, and could utilize switch valve mechanism rotary spool by the special tool operation, crude oil is flowed out take a sample.Thereby reduced the generation of stolen and pollution.
But, there is a unvanquishable defective in above-mentioned prior art, when valve closing does not use, part crude oil can accumulate in the front caecum section (being taper place of valve body import) of valve, when taking a sample, in order to obtain more accurately oil sample, usually adopt emptying before the sampling mode, bleed off the liquid that the front caecum section of valve is accumulated, this part liquid need to be collected with a bucket, because oil well quantity is a lot, need a lot of collecting vessels to come the liquid of collecting and sampling emptying, also there is stolen possibility in the collecting vessel that is placed on the well site, therefore the emptying of taking a sample can only be put on the well site, caused unnecessary pollution, this has just caused sampling labour intensity larger, the on-the-spot relatively lost labor of cleaning sampling; Further because such sampling mode is very inconvenient, the workman's not emptying when sampling that causes recovering the oil individually, direct sample has caused sampling moisture very inaccurate, and then has reduced sample examination result's accuracy; Simultaneously in the winter time northern area temperature all in subzero, at this moment the oil water mixture that accumulates in the valve body all is set in the sample valve, at this moment sampling can only be roasting or boiling hot with hot water with naked light, on-the-spot is with the roasting sample cock of naked light because being subjected to condition restriction through what commonly use, so just easily breaking out of fire and explosion accident, bring huge loss and injury to oil field production and site operation personnel, and site operation personnel's labour intensity is larger.
Another defective that above-mentioned prior art exists is, owing to be to be directly installed on the tubing wall, this mounting means has determined that the crude oil sample of its taking-up flows out from the oil pipe tube wall, can not measure exactly the real moisture ratio of the inner crude oil of oil pipe, and then reduce sample examination result's accuracy.
The utility model content
A purpose of the present utility model provides a kind of can avoiding and accumulate crude oil in valve body, and then does not need in use in advance emptying and effective antifreeze anti-theft antifreezing sampling valve in the winter time.
Thereby providing a kind of can the sampling in petroleum pipeline center direct sample assurance, another purpose of the present utility model detect accurately anti-theft antifreezing sampling valve.
Another purpose of the present utility model provides a kind of anti-theft antifreezing sampling valve that anti-theft feature prevents that enough unrelated person from opening that has.
For achieving the above object, the utility model proposes a kind of anti-theft antifreezing sampling valve, comprise valve body and spool, described valve body in a tubular form and be flush-mounted in the petroleum pipeline, one end opening of described valve body and be fixedly connected on the oil transportation tube wall, the other end of described valve body extends to the petroleum pipeline center, described spool is cylindric and can be in the described valve body of being placed in of axial-rotation, wherein, described spool has cavity vertically, described cavity is towards the end sealing at the center of petroleum pipeline, the other end of described cavity is opened and is connected with the external world, and described valve body has the breach that extends vertically and forms oil inlet end, radially offers the oil inlet passage of perforation on the sidewall of described spool, described spool drives this spool around axial rotation by the spanner that inserts in the described cavity, and controls described oil inlet passage and be communicated with or cut off with described breach.
Aforesaid anti-theft antifreezing sampling valve, wherein, described spool is provided with position limiting structure, described position limiting structure comprises position-limitting pin and limit track, described limit track is along circumferentially being opened on the sidewall of described spool, described position-limitting pin stretches in the described limit track along perpendicular to axial direction via the sidewall of described valve body, and matches with described limit track.
Aforesaid anti-theft antifreezing sampling valve, wherein, be provided with burglar-proof mechanism on the described spool, described burglar-proof mechanism comprises at least one group of billiards structure, described billiards structure runs through the sidewall of the sidewall of described valve body and described spool and stretches in the cavity of described spool, and described valve body and described spool can link together discretely; Be plugged in by described spanner in the cavity of described spool and with described billiards structure and match, described spool and described valve body are separated.
Aforesaid anti-theft antifreezing sampling valve, wherein, described billiards structure comprises:
Upper lockhole is opened on the sidewall of described valve body;
Upper lock is arranged in the described upper lockhole;
Spring is arranged in the described upper lockhole, and described spring upper end is fixed on the described valve body by housing screw, and described spring lower end is pressed in the lock upper surface;
Lower lockhole, sidewall through described spool, described lower lockhole can dock with described upper lockhole and form a passage that connects, described upper lock can stretch in the lower lockhole, and the internal diameter on the top of described lower lockhole circumferentially forms a circle step greater than the internal diameter of its bottom and at the inwall of described lower lockhole along it;
Lower lock, be arranged in the lower lockhole, the bottom surface of described lower lock protrudes from described lower lockhole and stretches in the cavity of described spool, the diameter of the bottom surface of described lower lock encloses circumferential boss less than the diameter of its end face and in the outer wall formation one of described lower lock, described boss can be sticked on the described step, and the end face of described lower lock and the bottom surface of described upper lock join;
Offer groove on the sidewall of described spanner, described groove and described lower lockhole contraposition arrange, and the degree of depth sum of the degree of depth of described groove and described lower lockhole equals the length of described lower lock.
Aforesaid anti-theft antifreezing sampling valve, wherein,, organize described billiards structure more and be set up in parallel and form cylinder lock.
Aforesaid anti-theft antifreezing sampling valve, wherein, the junction of the limit wall of described groove and the sidewall of described spanner is provided with lead angle.
Aforesaid anti-theft antifreezing sampling valve, wherein, described spanner radially offers the flow-guiding channel of perforation in a tubular form on the sidewall of described spanner, one end of described flow-guiding channel is connected with the cavity of described spanner, and the other end of described flow-guiding channel is connected with described oil inlet passage.
Aforesaid anti-theft antifreezing sampling valve, wherein, an end of described spanner is plugged in the cavity of described spool, and it is outer and be bent to form an elbow that the other end of described spanner extends to the cavity of described spool.
Aforesaid anti-theft antifreezing sampling valve, wherein,, the junction that described spanner inserts the sidewall of the end face of an end of described spool and described spanner has lead angle.
Aforesaid anti-theft antifreezing sampling valve wherein, is provided with sealing ring between the sidewall of described spool and the sidewall of described valve body.
Compared with prior art, the utlity model has following characteristics and advantage:
1, the utility model being communicated with or partition by the oil inlet passage of spool on axial rotation control spool and petroleum pipeline, sealing surface between oil pipeline and the oil inlet passage is positioned at the outermost end of oil inlet passage, when the utility model is closed, crude oil has been closed in outside the whole valve body, and an end of the cavity of spool is open and be communicated with extraneous institute, the crude oil that enters in the spool can not accumulate yet, like this, just do not need the operation of emptying during every sub-sampling yet, be conducive to the protection of environment and minimizing operating personnel's labour intensity; And, to winter just can not occur crude oil yet and be set in phenomenon in the utility model, also just do not need to carry out the operations such as the roasting or hot water of naked light is boiling hot, reduced the incidence that labour intensity has also reduced accident.
2, in the utility model, the oil inlet passage on the spool is positioned at the center of petroleum pipeline, and the sample that collects by the utility model like this is directly to flow out from the petroleum pipeline center, thereby has guaranteed the accuracy that sampling detects.
3, the utility model is embedded in the petroleum pipeline, and it is antitheft to have adopted comparatively complicated billiards structure to carry out, and with the spanner of its coupling, unrelated person just can't not open the utility model, thereby prevented the generation of malice stolen and environmental pollution phenomenon.
Description of drawings
Accompanying drawing described here only is used for task of explanation, and is not intended to limit by any way the utility model scope of disclosure.In addition, the shape of each parts among the figure and proportional sizes etc. only are schematically, be used for helping understanding of the present utility model, and be not shape and the proportional sizes that specifically limits each parts of the utility model.Those skilled in the art can select various possible shapes and proportional sizes to implement the utility model under instruction of the present utility model as the case may be.
Fig. 1 is the utility model anti-theft antifreezing sampling valve structural representation of (not inserting spanner) when closing;
Fig. 2 is the partial enlarged drawing at A place among Fig. 1;
Fig. 3 is the structural representation after the utility model anti-theft antifreezing sampling valve inserts spanner;
Fig. 4 is the partial enlarged drawing at B place among Fig. 3;
Structural representation when Fig. 5 is the unlatching of the utility model anti-theft antifreezing sampling valve;
Fig. 6 is the structural representation of spanner;
Fig. 7 is the partial enlarged drawing at C place among Fig. 6.
Description of reference numerals:
The 10-valve body; The 11-breach; The 20-spool; The 21-cavity; The 22-oil inlet passage; The 30-spanner; The sidewall of 31-spanner; The 32-lead angle; The 33-flow-guiding channel; The cavity of 34-spanner; The 35-elbow; The 36-lead angle; The 40-position-limitting pin; The 60-billiards structure; The upper lockhole of 61-; The upper lock of 62-; The 63-spring; The 64-housing screw; Lockhole under the 65-; Lock under the 66-; The 67-groove; 60 '-billiards structure; 66 '-lower lock; 67 '-groove; 60 "-billiards structure; 66 "-lower lock; 67 "-groove; The 70-sealing ring.
The specific embodiment
With the description of the utility model specific embodiment, can more be well understood to details of the present utility model by reference to the accompanying drawings.But the specific embodiment of the present utility model described here only is used for explaining the purpose of this utility model, is to restriction of the present utility model and can not be understood as by any way.Under instruction of the present utility model, the technician can conceive based on arbitrarily possible distortion of the present utility model, and these all should be regarded as belonging to scope of the present utility model.
Please refer to Fig. 1, the structural representation that (does not insert spanner) when closing for the utility model, as shown in Figure 1, the anti-theft antifreezing sampling valve that the utility model proposes comprises valve body 10 and spool 20.Valve body 10 in a tubular form and be flush-mounted in the petroleum pipeline, one end opening of valve body 10 and be fixedly connected on the oil transportation tube wall, the other end of valve body 10 extends to the petroleum pipeline center, and wherein, valve body 10 can adopt welding or other modes common to those skilled in the art with the mode that is fixedly connected with of oil transportation tube wall.Spool 20 is cylindric, and spool 20 can being placed in the valve body 10 around axial-rotation.Spool 20 has cavity 21 vertically, and cavity 21 is towards the end sealing at petroleum pipeline center, and the other end of cavity 21 is opened and is connected with the external world.Valve body 10 has the breach 11 that extends vertically and forms oil inlet end, on the sidewall of described spool 20, radially offer the oil inlet passage 22 of perforation, oil inlet passage 22 is located along the same line with breach 11, as shown in Figure 1, when the utility model was closed, the direction of oil inlet passage 22 down and sealed by the sidewall of valve body 10 and then mutually cut off with breach 11.The anti-theft antifreezing sampling valve that the utility model proposes comprises that also spanner 30 (please refer to Fig. 6, be the structural representation of spanner) spanner 30 can insert in the cavity 21 of spool 20, and can drive spool 20 around axial rotation.When needs use the utility model anti-theft antifreezing sampling valve to take a sample, spanner 30 is inserted in the cavity 21 of spools 20 (please refer to Fig. 3 be after the utility model inserts spanner structural representation), rotating spanner 30 is to drive spool 20, until spool 20 behind axial rotation 180 degree, oil inlet passage 22 is connected with breach 11, at this moment, crude oil in the petroleum pipeline flows in the cavity 21 of spool 20 through oil inlet passage 22, and finally flow out outside the anti-theft antifreezing sampling valve (please refer to Fig. 5, the structural representation when opening for the utility model).Spanner 30 opposite spins 180 are spent after finishing sampling again, drive spool 20 and be returned to original position, oil inlet passage 22 cuts off mutually with breach 11, spanner 30 is extracted at last to get final product again.When the utility model was closed, the outermost end of oil inlet passage 22 was sealed by the sidewall of valve body 10, and crude oil has been closed in outside the whole valve body 10, and an end of the cavity 21 of spool 20 is open and is communicated with extraneous institute, and the crude oil in the spool 20 can not accumulate yet.Like this; the crude oil that does not accumulate in the whole anti-theft antifreezing sampling valve; when rotating oil inlet passage 22 to breach 11 during every sub-sampling; crude oil in the petroleum pipeline just directly flows out from anti-theft antifreezing sampling valve; just do not need the operation of emptying yet, be conducive to the protection of environment and minimizing operating personnel's labour intensity.And, because the crude oil that do not accumulate, to winter just can not occur crude oil yet and be set in phenomenon in the anti-theft antifreezing sampling valve, just do not need the operations such as the roasting or hot water of memory naked light scalds yet, reduced the incidence that labour intensity has also reduced accident.And because the utility model is that employing is embedded, whole valve body 10 can be installed in the ground flow, owing to certain temperature being arranged from underground crude oil out and ceaselessly flowing, temperature can access certain guarantee, so can guarantee that more winter, the cold snap sample valve was not frozen to block.
Further, the oil inlet passage 22 on the spool 20 and the breach 11 on the valve body 10 are positioned at the center of petroleum pipeline, and the sample that collects by the utility model like this is directly to flow out from the petroleum pipeline center, thereby have guaranteed the accuracy that sampling detects.And the position of breach 11 is best and the opposite direction of crude oil flow, like this, when the utility model is opened, just can not pour out because of crude oil and not cause unnecessary waste and environment pollution.
In the present embodiment, be provided with position limiting structure on the spool 20, to guarantee that spool 20 can only be around axial rotation, and can not and valve body 10 between along linear slide, as shown in Figure 1, described position limiting structure comprises position-limitting pin 40 and limit track, limit track is along circumferentially being opened on the sidewall of spool 20, position-limitting pin 40 stretches in the limit track along perpendicular to axial direction via the sidewall of valve body 10, and match with limit track, guarantee that spool 20 can only be around axial rotation, and guarantee can spool 20 not ejected because the pressure in the petroleum pipeline increases.Position-limitting pin 40 and the mode that is fixedly connected with of valve body 10 can adopt that screw thread or those skilled in the art commonly use other be fixedly connected with mode.
Further, shown in Fig. 1 to 5, be provided with burglar-proof mechanism on the spool 20, described burglar-proof mechanism comprises at least one group of billiards structure 60, billiards structure 60 runs through the sidewall of the sidewall of valve body 10 and spool 20 and stretches in the cavity 21 of spool 20, and valve body 10 can link together discretely with spool 20; Be plugged in by spanner 30 in the cavity 21 of spool 20 and with billiards structure 60 and match, at this moment, spool 20 is separated with valve body 10, and spool 20 is connected with spanner 30, rotating spanner 30 be actuatable valve core 20 around axial-rotation, and then control the open and close of whole anti-theft antifreezing sampling valve.
Concrete, please refer to Fig. 2, Fig. 4, be the partial enlarged drawing at B place among the partial enlarged drawing at A place among Fig. 1, Fig. 3; Such as Fig. 2, shown in Figure 4, billiards structure 60 comprises lockhole 61, upper lock 62, spring 63, housing screw 64, lower lockhole 65, lower lock 66.As shown in Figure 5, upper lockhole 61 is opened on the sidewall of valve body 10, upper lock 62, spring 63 and housing screw 64 are arranged in the lockhole 61, and upper lock 62 and housing screw 64 are closed in spring 63 in the upper lockhole 61, the upper end of spring 63 is fixed on the valve body 10 by housing screw 64, and the lower end of spring 63 is pressed in the end face of lock 62; Lower lockhole 65 is through the sidewall of spool 20, and lower lockhole 65 cooperates with upper lockhole 61 contrapositions, descend like this lockhole 65 and upper lockhole 61 just can dock and form a passage that connects, at this moment, because spring 63 is for the pressuring action of upper lock 62, upper lock 62 can stretch to along the passage of this perforation in the lower lockhole 65.Lower lock 66 is arranged in the lower lockhole 65, and the bottom surface of the end face of lower lock 66 and upper lock 62 joins; The bottom surface of lower lock 66 protrudes out lower lockhole 65 and stretches in the cavity 21 of spool 20.The bottom surface diameter of lower lock 66 circumferentially forms a circle boss less than its end face diameter and on the outer wall edge of lower lock 66, simultaneously, the internal diameter on the top of lower lockhole 65 circumferentially forms a circle limited step greater than the internal diameter of its low side and on the inwall edge of lower lockhole 65, described boss can be sticked on the described limited step, drops out lower lockhole 65 downwards to prevent lower lock 66.As shown in Figure 1, when the utility model is closed, under the effect of the elastic force of spring 63, spring 63 compresses upper lock 62 downwards, the through channel that upper lock 62 forms along upper lockhole 61 and lower lockhole 65 stretches in the lower lockhole 65 and compresses lower lock 66 downwards, and lower lock 66 is limited by the cooperation of boss and limited step, can not continue to move down again.At this moment, upper lock 62 plays the effect that is similar to pin, has limited relatively moving between spool 20 and the valve body 10, and plays the effect of locking under the cooperation of spring 63 and boss and limited step.As shown in Figure 3, when needs lock in valve body 10 with unlatching the utility model with spool 20 solutions, spanner 30 is inserted in the cavity 21 of spool 20, as shown in Figure 4, offer groove 67 on the outer wall of spanner 30, and behind the cavity 21 of spanner 30 insertion spools 20, groove 67 is located along the same line with lower lockhole 65, groove 67, lower lockhole 65 and upper lockhole 61 just form a passage that connects like this, and the bottom of lower lock 66 is stretched in the groove 67 along this through channel.The degree of depth sum of the degree of depth of groove 67 and lower lockhole 65 equals the length of lower lock 66.Like this, when spanner 30 put in place, lower lock 66 stretched into groove 67, and the groove 67 of spanner 30 is with lower lock 66 jack-up upwards, so that the end face of lower lock 66 overlaps with the end face of lower lockhole 65.At this moment, upper lock 62 is ejected lower lockhole 65, the locking relation broken of spool 20 and valve body 10, and spool 20 can be around axial-rotation.Be rotated further spanner 30, at this moment, because lower lock 66 stretches in the groove 67, can not relatively move between spool 20 and the spanner 30, spool 20 just rotates simultaneously with spanner 30, oil inlet passage 22 was connected with breach 11 after spool 20 rotated 180 degree, and the crude oil in the petroleum pipeline just flows out via the utility model, and the site operation personnel can finish the sampling work to sample in the petroleum pipeline.Close when of the present invention, only need spanner 30 in the other direction, spool 20 is homing just, spanner 30 is taken off to get final product again from the cavity 21 of spool 20.In the technique scheme, owing to only have when the degree of depth sum of the degree of depth of the groove 67 on the spanner 30 and lower lockhole 65 equals the length of lower lock 66, the mating face of lower lock 66 and upper lock 62 could coincide with the mating face of the sidewall of the sidewall of spool 20 and valve body 10, the pin effect of upper lock 62 just can be removed, spool 20 could with valve body 10 releases, and general external personnel do not know the length of lower lock 66 and the degree of depth of lower lockhole 65, its employed instrument can't be opened the present invention at all, and then the present invention has good anti-theft function.
Further, many group billiards structures can be set vertically simultaneously form cylinder lock, extremely shown in Figure 5 such as Fig. 1, same straight line vertically is respectively arranged with billiards structure 60, billiards structure 60 ' and billiards structure 60 "; formed the structure of cylinder lock; wherein descend lock 66, lower lock 66 ' and lower lock 66 " length different, corresponding groove 67, groove 67 ' and groove 67 " the degree of depth also just different; the external personnel that have nothing to do also just are not easy to open the present invention more, have further strengthened anti-theft effect of the present invention.The quantity of billiards structure also can be designed to according to the needs of actual production 2 groups, 4 groups or more groups among the present invention, and wherein, the quantity of billiards structure is more, and its antitheft effect is also just better.
In the present embodiment, please refer to Fig. 6, Fig. 7, be the partial enlarged drawing at C place among the structural representation of spanner, Fig. 6; The junction of the limit wall of the groove 67 on the spanner 30 and the sidewall 31 of spanner is provided with lead angle 32, so just is conducive to lower lock 66 turnover grooves 67.Especially can prevent cavity 21 that spanner 30 inserted or extracted spool 20 at present lock blocked by groove 67 and locked.
Further, spanner 30 in a tubular form, radially offer the flow-guiding channel 33 of perforation on the sidewall 31 of spanner, flow-guiding channel 33 and oil inlet passage 22 contraposition settings, one end of flow-guiding channel 33 is connected with oil inlet passage 22, and the other end of flow-guiding channel 33 is connected with the cavity of spanner 34, when the utility model is opened, crude oil in the petroleum pipeline flows in the flow-guiding channel 33 of spanner 30 via oil inlet passage 22, and the cavity 34 by spanner flows out again.
Further, one end of spanner 30 is plugged in the cavity 21 of spool 20, cavity 21 outer and crooked 90 degree that the other end of spanner 30 extends to spool 20 form an elbow 35, the opposite direction of the direction of elbow 35 and flow-guiding channel 33, like this, when flow-guiding channel 33 rotated up 180 degree and is connected with petroleum pipeline, the direction of elbow 35 was downward, crude oil in the petroleum pipeline flows out downwards by elbow 35 at this moment, and the operating personnel at convenient scene obtain sample.The rotating spanner 30 that while elbow 35 can also make things convenient for the site operation personnel to be more prone to.
Further, the junction of the end face of an end of spanner 30 insertion spools 20 and the sidewall 31 of spanner has lead angle 36, and such design can be inserted in the cavity 21 of spools 20 by convenient spanner 30.
Further, in the present embodiment, spool 20 is matched in clearance with valve body 10, is provided with the both sides that 70, two sealing rings 70 of sealing ring lay respectively at oil inlet passage 22 between the sidewall of the sidewall of spool 20 and valve body 10, further increases sealing of the present utility model.
The utility model is embedded in the petroleum pipeline, and controls the oil inlet passage of spool and being communicated with or partition of petroleum pipeline by spool around axial rotation.When the utility model was closed, crude oil had been sealed in outside the whole valve body, had guaranteed not have accumulating of crude oil, like this, did not also just need the operation of emptying during every sub-sampling, was conducive to the protection of environment and minimizing operating personnel's labour intensity.And, to winter just can not occur crude oil yet and be set in phenomenon in the utility model, also just do not need to carry out the operations such as the roasting or hot water of naked light is boiling hot, reduced the incidence that labour intensity has also reduced accident.The utility model is embedded in the petroleum pipeline, and it is antitheft to have adopted comparatively complicated billiards structure to carry out, not with its coupling spanner, unrelated person just can't open the utility model, thereby prevented the generation of malice stolen and environmental pollution phenomenon.
Detailed explanation for the respective embodiments described above, its purpose only is the utility model is made an explanation, so that can understand better the utility model, but, it is to restriction of the present utility model that these descriptions can not be construed to any reason, particularly, each feature of describing in different embodiments is mutual any combination also, thereby form other embodiments, except clear and definite opposite description is arranged, these features should be understood to can be applied in any one embodiment, and also not only are confined to described embodiment.
Claims (10)
1. anti-theft antifreezing sampling valve, comprise valve body and spool, described valve body in a tubular form and be flush-mounted in the petroleum pipeline, one end opening of described valve body and be fixedly connected on the oil transportation tube wall, the other end of described valve body extends to the petroleum pipeline center, described spool is cylindric and can be in the described valve body of being placed in of axial-rotation, it is characterized in that, described spool has cavity vertically, described cavity is towards the end sealing at the center of petroleum pipeline, the other end of described cavity is opened and is connected with the external world, described valve body has the breach that extends vertically and forms oil inlet end, radially offer the oil inlet passage of perforation on the sidewall of described spool, described spool drives this spool around axial rotation by the spanner that inserts in the described cavity, and controls described oil inlet passage and be communicated with or cut off with described breach.
2. anti-theft antifreezing sampling valve as claimed in claim 1, it is characterized in that, described spool is provided with position limiting structure, described position limiting structure comprises position-limitting pin and limit track, described limit track is along circumferentially being opened on the sidewall of described spool, described position-limitting pin stretches in the described limit track along perpendicular to axial direction via the sidewall of described valve body, and matches with described limit track.
3. anti-theft antifreezing sampling valve as claimed in claim 1 or 2, it is characterized in that, be provided with burglar-proof mechanism on the described spool, described burglar-proof mechanism comprises at least one group of billiards structure, described billiards structure runs through the sidewall of the sidewall of described valve body and described spool and stretches in the cavity of described spool, and described valve body and described spool can link together discretely; Be plugged in by described spanner in the cavity of described spool and with described billiards structure and match, described spool and described valve body are separated.
4. anti-theft antifreezing sampling valve as claimed in claim 3 is characterized in that, described billiards structure comprises:
Upper lockhole is opened on the sidewall of described valve body;
Upper lock is arranged in the described upper lockhole;
Spring is arranged in the described upper lockhole, and described spring upper end is fixed on the described valve body by housing screw, and described spring lower end is pressed in the lock upper surface;
Lower lockhole, sidewall through described spool, described lower lockhole can dock with described upper lockhole and form a passage that connects, described upper lock can stretch in the lower lockhole, and the internal diameter on the top of described lower lockhole circumferentially forms a circle step greater than the internal diameter of its bottom and at the inwall of described lower lockhole along it;
Lower lock, be arranged in the lower lockhole, the bottom surface of described lower lock protrudes from described lower lockhole and stretches in the cavity of described spool, the diameter of the bottom surface of described lower lock encloses circumferential boss less than the diameter of its end face and in the outer wall formation one of described lower lock, described boss can be sticked on the described step, and the end face of described lower lock and the bottom surface of described upper lock join;
Offer groove on the sidewall of described spanner, described groove and described lower lockhole contraposition arrange, and the degree of depth sum of the degree of depth of described groove and described lower lockhole equals the length of described lower lock.
5. anti-theft antifreezing sampling valve as claimed in claim 4 is characterized in that, organizes described billiards structure more and is set up in parallel and forms cylinder lock.
6. anti-theft antifreezing sampling valve as claimed in claim 4 is characterized in that, the junction of the limit wall of described groove and the sidewall of described spanner is provided with lead angle.
7. anti-theft antifreezing sampling valve as claimed in claim 3, it is characterized in that, described spanner in a tubular form, radially offer the flow-guiding channel of perforation on the sidewall of described spanner, one end of described flow-guiding channel is connected with the cavity of described spanner, and the other end of described flow-guiding channel is connected with described oil inlet passage.
8. anti-theft antifreezing sampling valve as claimed in claim 3 is characterized in that, an end of described spanner is plugged in the cavity of described spool, and it is outer and be bent to form an elbow that the other end of described spanner extends to the cavity of described spool.
9. anti-theft antifreezing sampling valve as claimed in claim 3 is characterized in that, the junction that described spanner inserts the sidewall of the end face of an end of described spool and described spanner has lead angle.
10. anti-theft antifreezing sampling valve as claimed in claim 1 is characterized in that, is provided with sealing ring between the sidewall of described spool and the sidewall of described valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320094067 CN203239280U (en) | 2013-03-01 | 2013-03-01 | Anti-theft anti-freezing sampling valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320094067 CN203239280U (en) | 2013-03-01 | 2013-03-01 | Anti-theft anti-freezing sampling valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203239280U true CN203239280U (en) | 2013-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320094067 Expired - Fee Related CN203239280U (en) | 2013-03-01 | 2013-03-01 | Anti-theft anti-freezing sampling valve |
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| Country | Link |
|---|---|
| CN (1) | CN203239280U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110306949A (en) * | 2019-07-01 | 2019-10-08 | 中国石油化工股份有限公司 | Well-mouth theft-prevention sampler |
-
2013
- 2013-03-01 CN CN 201320094067 patent/CN203239280U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110306949A (en) * | 2019-07-01 | 2019-10-08 | 中国石油化工股份有限公司 | Well-mouth theft-prevention sampler |
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