CN204283330U - Blowout prevention four-way - Google Patents
Blowout prevention four-way Download PDFInfo
- Publication number
- CN204283330U CN204283330U CN201420721971.0U CN201420721971U CN204283330U CN 204283330 U CN204283330 U CN 204283330U CN 201420721971 U CN201420721971 U CN 201420721971U CN 204283330 U CN204283330 U CN 204283330U
- Authority
- CN
- China
- Prior art keywords
- seal
- valve core
- rod
- blowout prevention
- side direction
- 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
- 230000002265 prevention Effects 0.000 title claims abstract description 27
- 230000003044 adaptive effect Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000013536 elastomeric material Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Abstract
The utility model provides a kind of blowout prevention four-way.According to blowout prevention four-way of the present utility model, it comprises: main body, and it has vertical runner, and the both sides of main body offer two relative side direction through holes of level, and two side direction through holes are connected with vertical runner respectively, and side direction through hole is sealedly connected with seal box; Valve core, it is slidably disposed in side direction through hole, valve core offers the valve core passage of the sandwiched body of rod, is provided with seal in valve core passage, and one end that seal is relative with vertical runner is provided with many spaced seal convexities; Adjusting screw(rod), it can wear and be connected in seal box with moving horizontally, and adjusting screw(rod) drives with valve core and is connected.Seal of the present utility model has multiple seal convexity separately, can do adaptive change after each seal convexity is compressed according to compressive force situation in each intervallum, radial deformation scope is comparatively large, can adapt to carry out sealed holding to the roofbolt of different-diameter.
Description
Technical field
The utility model relates to petroleum and natural gas screw pump oil production technical field, especially, relates to a kind of blowout prevention four-way.
Background technology
At present, because screw pump oil production system has the features such as disposable input is low, easy to maintenance, floor space is little, adaptation exploitation media range is wide, artificial lift screw pump system obtains applying more and more widely in oil recovery field, also derived a series of corollary equipment and instrument, and technical level is more and more higher thereupon.
Blowout prevention four-way is to ensure the safety that well site operates and supporting a kind of ground installation, closing the sealed valve core of its both sides, to realize the sealing to polished rod or sucker rod when down-hole pressure exception or drive unit are safeguarded., mainly there is following problem in the blowout prevention four-way applied in current well site:
1, compare effort when sealed valve core is installed, the thrust being connected to the seal on sealed valve core needs to regulate manually;
2, the polished rod for different-diameter needs to change different sealed valve cores with sucker rod, when polished rod is different with sucker rod diameter in same set of roofbolt, there is certain potential safety hazard;
3, there is no guide frame between sealed valve core and blowout prevention four-way, when sealed valve core moves horizontally in blowout prevention four-way, easily cause the rotation of sealed valve core, cause seal failure.
Therefore, be necessary to provide a kind of new blowout prevention four-way, overcome above-mentioned defect.
Utility model content
The utility model object is to provide a kind of blowout prevention four-way, can not seal the polished rod of different-diameter and the technical problem of sucker rod to solve same spool.
Above-mentioned purpose of the present utility model can adopt following technical proposal to realize:
The utility model provides a kind of blowout prevention four-way, and it comprises: main body, and it has vertical runner, and the both sides of main body offer two relative side direction through holes of level, and two side direction through holes are connected with vertical runner respectively, and side direction through hole is sealedly connected with seal box; Valve core, it is slidably disposed in side direction through hole, valve core offers the valve core passage of the sandwiched body of rod, is provided with seal in valve core passage, and one end that seal is relative with vertical runner is provided with many spaced seal convexities; Adjusting screw(rod), it can wear and be connected in seal box with moving horizontally, and adjusting screw(rod) drives with valve core and is connected.
Further, valve core is connected with spool key, the inwall of side direction through hole is provided with guide key groove, spool key matches with guide key groove.
Further, seal comprises two sidewalls be parallel to each other, one end of two sidewalls is connected with the first arcwall caved between two sidewalls, and the other end of two sidewalls is connected with the second arcwall, the arc projection direction of the second arcwall and two sidewalls perpendicular; Side diametrically offers horizontal seal groove to valve core respectively, the axial seal groove be connected with one end of two horizontal seal grooves is offered in valve core passage, valve core offers radial seal groove, radial seal groove is connected with the other end of two horizontal seal grooves, first arcwall is arranged in axial seal groove, sidewall is arranged in horizontal seal groove, and the second arcwall is arranged in radial seal groove.
Further, multiple seal convexity be parallel to each other is disposed on the first arcwall.
Further, valve core passage is semicircle, and the diameter of valve core passage is greater than the diameter of the body of rod.
Further, the outer end of seal box is connected with seal pressure cap.
Further, the operating side of adjusting screw(rod) is connected with spacing handwheel.
Further, back-up ring is provided with between seal pressure cap and seal box.
Feature of the present utility model and advantage are:
Seal of the present utility model is made up of elastomeric material, on its one end relative with vertical runner, horizontal arrangement has multiple seal convexity separately, be squeezed into after each seal convexity is compressed in each intervallum, the radial deformation scope of sealing projection is comparatively large, thus the polished rod of salable firmly different-diameter and sucker rod.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of blowout prevention four-way of the present utility model;
Fig. 2 is the valve core of blowout prevention four-way of the present utility model and the schematic diagram of spool key;
Fig. 3 is the schematic diagram of the valve core of blowout prevention four-way of the present utility model;
Fig. 4 is the schematic diagram of the seal of blowout prevention four-way of the present utility model; And
Fig. 5 is the schematic diagram of the seal box of blowout prevention four-way of the present utility model.
Reference numeral in accompanying drawing is as follows: 10, main body; 11, vertical runner; 12, side direction through hole; 21, valve core; 211, valve core passage; 212, horizontal seal groove; 213, axial seal groove; 214, radial seal groove; 215, secondary seal groove; 22, spool key; 23, seal; 231, sidewall; 232, the first arcwall; 2321, seal convexity; 233, the second arcwall; 24, adjusting screw(rod); 25, seal box; 251, round platform is installed; 26, pad; 27, sealing mat; 28, back-up ring; 29, seal pressure cap; 30, spacing handwheel.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figures 1 to 5, the utility model provides a kind of blowout prevention four-way, it comprises: main body 10, main body 10 mainly provides external connecting interface and runner, main body 10 has vertical runner 11, the both sides of main body 10 offer two relative side direction through holes of level, 12, two side direction through holes 12 and are connected with vertical runner 11 respectively, side direction through hole 12 are sealedly connected with seal box 25; Valve core 21, it can slide in side direction through hole 12, one end that valve core 21 is relative with vertical runner 11 offers the valve core passage 211 by the body of rod, be provided with seal 23 in valve core passage 211, there are many spaced seal convexities 2321 one end that seal 23 is relative with vertical runner 11; Adjusting screw(rod) 24, it is arranged in seal box 25, realizes the horizontal drive to valve core 21.Seal 23 of the present utility model is made up of elastomeric material, elastomeric material can be rubber, nylon etc., its one end relative with vertical runner 11 there are many spaced seal convexities 2321, when the valve core 21 of vertical runner 11 both sides is to when being clipped on polished rod or sucker rod, the valve core passage 211 of two valve cores 21 is around in the periphery of polished rod or sucker rod, be arranged on seal convexity 2321 sealed holding on the seal 23 in valve core passage 211 on polished rod or sucker rod, owing to there is certain spacing between each seal convexity 2321, seal convexity 2321 can do adaptive change according to compressive force situation in each intervallum, so the protruding 2321 radial deformation scopes of sealing are larger, when the polished rod of valve core 21 and different-diameter or sucker rod contact, the seal 23 suitably can regulate according to the roofbolt size of the polished rod of different-diameter or sucker rod, thus can meet the different polished rod in bar footpath and the sealing of sucker rod, there is the effect of reducing.
See Fig. 2 and Fig. 3, valve core 21 is connected with spool key 22, spool key 22 is for the guiding of valve core 21, and valve core does not overturn in traveling process to coordinate the guide key groove in main body 10 to ensure; Spool key 22 is provided with a T-shaped hole, spool key 22 is fixing with valve core 21 by the screw through T-shaped hole, prevent spool key 22 from coming off in valve core 21 reciprocatingly slides, the sidewall of side direction through hole 12 is provided with the guide key groove of anti-canting, spool key 22 matches with guide key groove, spool key 22 is as guide frame, ensure that valve core 21 does not overturn in traveling process, simultaneously, as shown in Figures 2 and 3, valve core 21 is also provided with the sliding ring 215 arranged along its external surface circumference, uses as the secondary seal of valve core 21 in side direction through hole 12.
See Fig. 1 to Fig. 4, seal 23 comprises two sidewalls be parallel to each other 231, one end of two sidewalls 231 is connected with the first arcwall 232 of depression between two sidewalls 231, the other end is connected with the arc circle plane at place and the plane being perpendicular at two sidewall 231 places of the second arcwall 233, second arcwall 233; Side diametrically offers horizontal seal groove 212 to valve core 21 respectively, the axial seal groove 213 be connected with one end of two horizontal seal grooves 212 is offered in valve core passage 211, valve core 21 offers radial seal groove 214, the two ends of radial seal groove 214 are connected with the other end of two horizontal seal grooves 212, first arcwall 232 is arranged in axial seal groove 213, sidewall 231 is arranged in horizontal seal groove 212, and the second arcwall 233 is arranged in radial seal groove 214.
In the utility model, see Fig. 2 and Fig. 3, valve core passage 211 is semicircle, its diameter L is greater than the diameter of the body of rod, this body of rod can be polished rod or sucker rod, when two valve cores 21 are to when being clipped on polished rod or sucker rod, the first arcwall 232 being now loaded on the seal 23 on valve core 21 just sealed holding on the external diameter of polished rod or sucker rod.See Fig. 4, multiple seal convexity 2321 be parallel to each other is disposed on the first arcwall 232, spacing is had between multiple seal convexity 2321, when clamping polished rod or sucker rod, seal convexity 2321 crimp, on the one hand due to the existence of spacing, it is made to have larger deformation range, to adapt to the sealing of polished rod to different-diameter or sucker rod; On the other hand, the similar multistage O RunddichtringO design of multiple seal convexity 2321, makes it have stronger bearing capacity.In addition, two sidewalls 231 of seal 23 and the second arcwall 233 can ensure the sealing effectiveness of valve core 21 in side direction through hole 12, you need to add is that, though above sealing position is described separately, exist as a whole in seal operation process.Seal 23 of the present utility model is considered and is used and install factor design, and it meets the sealing to polished rod or sucker rod in side direction through hole 12 and vertical runner 11 simultaneously, and is easy to install and adjust.Seal 23 of the present utility model can directly be sleeved on valve core 21, and it is without the need to manual compression, has avoided human factor when valve core 21 is installed.
See Fig. 1 and Fig. 5, seal box 25 is for the shutoff of main body 10 two ends side opening and the fixing of adjusting screw(rod) 24, and adjusting screw(rod) 24 is by realizing advancing of valve core 21 with being threaded between seal box 25; The outer end of seal box 25 is connected with seal pressure cap 29, adjusting screw(rod) 24 passes one end of seal pressure cap 29 and operating side is connected with spacing handwheel 30, spacing handwheel 30 is for the stroke of limiting valve core body 21, spool key 22 is avoided to deviate from from guide key groove, the other end of adjusting screw(rod) 24 is articulated in valve core 21, by regulating spacing handwheel 30, adjusting screw(rod) 24 is then made to drive valve core 21 to realize moving back and forth in side direction through hole 12; Pad 26, sealing mat 27 and back-up ring 28 is disposed with between seal box 25 and seal pressure cap 29, pad 26 compresses with the shoulder hole edge of seal box 25 inside, isolation inside and outside main realization body 10 chamber of pad 26, sealing mat 27, back-up ring 28 and seal pressure cap 29, prevents introduced contaminants from entering the chamber of main body 10 side opening.
The utility model implementation process is as follows: be fixed on by spool key 22 on valve core 21, then seal 23 is directly sleeved on valve core 21, utilize the frock of Aided design to be pushed in the side direction through hole 12 of blowout prevention four-way main body 10 by mounted valve core 21, before pushing, ensure to align with the guide key groove of main body 10 sidewall in the position of spool key 22.Again adjusting screw(rod) 24 is put into seal box 25, utilize screw fixing seal box 25, seal box 25 is tubular structure, and one end is provided with the installation round platform 251 be connected with main body 10, is fixed in main body 10 by seal box 25 by bolt.And then gasket sheet 26, sealing mat 27 and back-up ring 28 and seal pressure cap 29 are installed, the other end of seal box 25 is sealed.In vertical runner 11, penetrate polished rod or the sucker rod of different-diameter, utilize adjusting screw(rod) 24 that valve core 21 is adjusted to correct position, carry out seal and pressure bearing test, test by after can install and use.
As can be seen from the above description, the utility model the above embodiments achieve following technique effect:
Seal of the present utility model is made up of elastomeric material, its structure achieves the sealing of horizontal direction simultaneously, axial seal and radial seal, and level is convexly equipped with multiple seal convexity separately on its one end relative with vertical runner, due to the existence of spacing, larger deformation range is had after seal convexity is extruded, when the polished rod of valve core and different-diameter or sucker rod contact, the seal suitably can regulate according to the roofbolt size of the polished rod of different-diameter or sucker rod, thus can meet the different polished rod in bar footpath or the sealing of sucker rod, there is the effect of reducing.Meanwhile, seal is directly sleeved on valve core by the utility model, without the need to manually using pressing plate press seal part, having avoided human factor when valve core is installed, having installed more simple.
The foregoing is only several embodiment of the present utility model, those skilled in the art can carry out various change or modification to the utility model embodiment according to content disclosed in application documents and not depart from spirit and scope of the present utility model.
Claims (8)
1. a blowout prevention four-way, is characterized in that, it comprises:
Main body (10), it has vertical runner (11), the both sides of described main body (10) offer two relative side direction through holes (12) of level, two described side direction through holes (12) are connected with described vertical runner (11) respectively, and described side direction through hole (12) is sealedly connected with seal box (25);
Valve core (21), it is slidably disposed in described side direction through hole (12), described valve core (21) offers the valve core passage (211) of the sandwiched body of rod, be provided with seal (23) in described valve core passage (211), one end that described seal (23) is relative with described vertical runner (11) is provided with many spaced seal convexities (2321);
Adjusting screw(rod) (24), it can wear and be connected in described seal box (25) with moving horizontally, and described adjusting screw(rod) (24) drives with described valve core (21) and is connected.
2. blowout prevention four-way according to claim 1, it is characterized in that, described valve core (21) is connected with spool key (22), the inwall of described side direction through hole (12) is provided with guide key groove, and described spool key (22) is matched with described guide key groove.
3. blowout prevention four-way according to claim 1, it is characterized in that, described seal (23) comprises two sidewalls be parallel to each other (231), one end of two described sidewalls (231) is connected with first arcwall (232) of depression between described two sidewalls (231), the other end of two described sidewalls (231) is connected with the second arcwall (233), and arc projection direction and described two sidewalls (231) of described second arcwall (233) are perpendicular, side diametrically offers horizontal seal groove (212) to described valve core (21) respectively, the axial seal groove (213) that the one end offering horizontal seal groove (212) described with two in described valve core passage (211) is connected, described valve core (21) offers radial seal groove (214), described radial seal groove (214) is connected with the other end of described two horizontal seal grooves (212), described first arcwall (232) is arranged in described axial seal groove (213), described sidewall (231) is arranged in described horizontal seal groove (212), described second arcwall (233) is arranged in described radial seal groove (214).
4. blowout prevention four-way according to claim 3, is characterized in that, multiple described seal convexity (2321) be parallel to each other is disposed on described first arcwall (232).
5. blowout prevention four-way according to claim 1, is characterized in that, described valve core passage (211) is semicircle, and the diameter of described valve core passage (211) is greater than the diameter of the described body of rod.
6. blowout prevention four-way according to claim 1, is characterized in that, the outer end of described seal box (25) is connected with seal pressure cap (29).
7. blowout prevention four-way according to claim 6, is characterized in that, the operating side of described adjusting screw(rod) (24) is connected with spacing handwheel (30).
8. blowout prevention four-way according to claim 6, is characterized in that, is provided with back-up ring (28) between described seal pressure cap (29) and described seal box (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420721971.0U CN204283330U (en) | 2014-11-26 | 2014-11-26 | Blowout prevention four-way |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420721971.0U CN204283330U (en) | 2014-11-26 | 2014-11-26 | Blowout prevention four-way |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204283330U true CN204283330U (en) | 2015-04-22 |
Family
ID=52866505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420721971.0U Expired - Fee Related CN204283330U (en) | 2014-11-26 | 2014-11-26 | Blowout prevention four-way |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204283330U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105696971A (en) * | 2014-11-26 | 2016-06-22 | 中国石油天然气集团公司 | Blowout prevention four-way valve |
-
2014
- 2014-11-26 CN CN201420721971.0U patent/CN204283330U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105696971A (en) * | 2014-11-26 | 2016-06-22 | 中国石油天然气集团公司 | Blowout prevention four-way valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20150422 |