CN107575192B - Ground adjustable injection allocation device - Google Patents
Ground adjustable injection allocation device Download PDFInfo
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- CN107575192B CN107575192B CN201710912705.4A CN201710912705A CN107575192B CN 107575192 B CN107575192 B CN 107575192B CN 201710912705 A CN201710912705 A CN 201710912705A CN 107575192 B CN107575192 B CN 107575192B
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Abstract
The invention relates to a ground adjustable injection allocation device, which comprises a main body (1), wherein a water nozzle mounting hole (2), a liquid inlet hole (3) and a liquid outlet hole (4) are arranged on the main body (1), the liquid inlet hole is communicated with the water nozzle mounting hole (2) through a first diversion hole (31), the liquid outlet hole is communicated with the water nozzle mounting hole through a second diversion hole (41), a first screw plug (11) is arranged on one orifice, which is communicated with the outside of the main body (1), a second screw plug (13) is arranged on the other orifice, a first core sleeve (21) and a second core sleeve (22) are arranged in the water nozzle mounting hole, a core rod (5) is arranged in the first core sleeve and the second core sleeve, a rotary rod (6) is arranged in the second screw plug in a rotary mode, and the core rod is driven by the rotary rod to rotate so that the flow rate of the water nozzle can be adjusted. The water injection quantity can be adjusted without stopping injection, the adjustment operation is more convenient, the time is saved, the water injection efficiency is improved, the small-range fine adjustment and stepless adjustment of the water injection quantity can be realized, and the adjustment precision is higher.
Description
Technical Field
The invention relates to petroleum tools, in particular to an injection allocation device.
Background
The ground injection distributor is a ground injection distributor for regulating and controlling the injection quantity of each layer in an oil field well, and the existing ground injection distributor is provided with injection cores of a plurality of water nozzles with different specifications. When the water injection quantity needs to be regulated, the water injection is stopped, the valve is closed, the sealing end cover of the dispenser is opened, the water nozzle with the specification to be selected is aligned to the water injection hole by rotating the dispensing core, then the sealing end cover is reinstalled, and then the valve is opened for water injection. If the replaced water nozzle can not meet the water injection requirement, the water nozzle needs to be replaced again, so that the operation is inconvenient, the time is wasted, and the improvement of the operation efficiency is also not facilitated. The specification of the water nozzle arranged on the separate injection core is graded, small-range fine adjustment and stepless adjustment cannot be realized, and the adjustment precision is not high enough.
Disclosure of Invention
The invention aims to provide the ground adjustable injection allocation device which can adjust the injection quantity without stopping injection, is more convenient to adjust and operate, saves more time, is beneficial to improving the operation efficiency, can realize small-range fine adjustment and stepless adjustment of the injection quantity and has higher adjustment precision.
The technical scheme of the invention is as follows: the device comprises a main body, wherein a water nozzle mounting hole, a liquid inlet hole and a liquid outlet hole are arranged on the main body, the two ends of the water nozzle mounting hole are respectively communicated with the outside of the main body, the liquid inlet hole is communicated with the water nozzle mounting hole through a first diversion hole, the liquid outlet hole is communicated with the water nozzle mounting hole through a second diversion hole, a screw plug I for sealing the water nozzle mounting hole is arranged on one hole communicated with the outside of the main body through threads, a screw plug II axially provided with a through hole is arranged on the other hole through threads, a core sleeve I is arranged in the water nozzle mounting hole on the same side of the screw plug, a core sleeve II is arranged in the water nozzle mounting hole on the same side of the screw plug II, the liquid inlet Kong Shunci is communicated with the liquid outlet hole through the first diversion hole, the core sleeve I and the second diversion hole, the core sleeve I and the core sleeve II are internally provided with core rods, the screw plug II is rotationally provided with a rotating rod, one end of the core rod facing the rotating rod is axially and slidingly matched with the rotating rod, a matched key is arranged between the core rod and the rotating rod and can be driven to rotate by the rotating rod, the core rod is sleeved on the outer wall of the core sleeve II and is provided with a section of external thread matched with the internal thread on the inner wall of the core sleeve II, the core rod is provided with a water tap facing the end part of the screw plug I, the core sleeve I is internally provided with a porcelain sleeve sleeved outside the water tap and in sliding sealing fit with the water tap facing the central hole of the screw plug I, and the core rod is driven to rotate by the rotating rod and can axially slide in the core sleeve I and the core sleeve II to adjust the gap between the water tap and the porcelain sleeve to adjust the flow of the water tap.
The invention has the technical effects that: the water injection quantity can be adjusted without stopping injection, the adjustment operation is more convenient, the time is saved, the water injection efficiency is improved, the small-range fine adjustment and stepless adjustment of the water injection quantity can be realized, and the adjustment precision is higher. The ground surface separate injection device overcomes the defect that the existing ground surface separate injection device can only be adjusted in a grading way, can realize stepless adjustment of the water injection quantity from small to large or from large to small, is more convenient and accurate to adjust, and is more beneficial to accurate water injection. Compared with the existing ground dispenser, the ground dispenser has the advantages that the opening and closing operation process is simpler, the plugging effect is better, the manpower and material resources are saved, the operation time is shorter, the operation efficiency can be obviously improved, the use effect is better, and the ground dispenser is an ideal substitute for the existing ground dispenser.
Drawings
FIG. 1 is a cross-sectional view of an embodiment of the present invention.
Detailed Description
As shown in figure 1, the novel water tap comprises a main body 1, wherein a water tap mounting hole 2, a liquid inlet hole 3 and a liquid outlet hole 4 are arranged on the main body 1, two ends of the water tap mounting hole 2 are respectively communicated with the outside of the main body 1, one end of the liquid inlet hole 3 is communicated with the outside of the main body 1, the liquid inlet hole 3 is communicated with the water tap mounting hole 2 through a first guide hole 31, the liquid outlet hole 4 is communicated with the water tap mounting hole 2 through a second guide hole 41, a first screw plug 11 for sealing the hole is arranged on one hole of the water tap mounting hole 2 communicated with the outside of the main body 1 through threads, a second screw plug 13 axially provided with a through hole 12 is arranged on the other hole through threads, a first core sleeve 21 is arranged in the water tap mounting hole 2 on the same side of the first screw plug 11, a second core sleeve 22 is arranged in the water tap mounting hole 2 on the same side of the screw plug 13, the liquid inlet hole 3 is sequentially communicated with the liquid outlet hole 4 through the first guide hole 31, the first core sleeve 21 and the second guide hole 41, the core sleeve I21 and the core sleeve II 22 are internally provided with the core rod 5, the screw plug II 13 is rotatably provided with the rotary rod 6, one end of the core rod 5 facing the rotary rod 6 is axially and slidably matched with the rotary rod 6, a matched key is arranged between the core rod 5 and the rotary rod 6 and can be driven by the rotary rod 6 to rotate, the core rod 5 is sleeved on the outer wall of the core sleeve II 22 and is provided with a section of external thread matched with the internal thread on the inner wall of the core sleeve II 22, the end of the core rod 5 facing the screw plug I11 is provided with the water tap 51, the core sleeve I21 facing the central hole of the screw plug I11 is provided with the porcelain sleeve 23 sleeved outside the water tap 51 and slidably and hermetically matched with the water tap 51, and the core rod 5 is driven by the rotary rod 6 to rotate so as to adjust the gap water tap flow between the water tap 51 and the porcelain sleeve 23 in the axial sliding mode of the core sleeve I21 and the core sleeve II 22.
The end of the core sleeve I21 facing the screw plug I11 is provided with a sand control cap 24 through threads, the sand control cap 24 covers the outside of the water nozzle 51, a plurality of overflow gaps are formed in the axial direction, and the end face of the sand control cap 24 is matched with the porcelain sleeve 23 to fasten the porcelain sleeve 23 on the core sleeve I21.
The side wall of the first core sleeve 21 is provided with a liquid flow hole 25 at the position corresponding to the second flow guide hole 41, the outer wall of the first core sleeve 21 at two sides of the liquid flow hole 25 is respectively provided with two sealing ring grooves, each sealing ring groove is respectively provided with a sealing ring matched with the inner wall of the water nozzle mounting hole 2 in a sealing way, and the inner wall of the water nozzle mounting hole 2 is provided with an annular groove 26 at the position corresponding to the second flow guide hole 41. A seal ring groove is formed in the outer wall of the core rod 5 between the liquid flow hole 25 and the core sleeve II 22, a seal ring matched with the inner wall of the core sleeve I21 in a sealing mode is arranged in the seal ring groove, a first compression ring 52, a T-shaped seal ring 53, a second compression ring 54 and a preparation cap 55 are respectively arranged between the liquid flow hole 25 and the core rod 51 on the core rod 5 between the liquid flow hole 25 and the core sleeve 51, the T-shaped seal ring 53 is sleeved on the core rod 5, the outer wall of the middle part of the T-shaped seal ring 53 is matched with the inner wall of the core sleeve I21 in a sealing mode, the first compression ring 52 is sleeved on the outer wall of the T-shaped seal ring 53 on the side facing the liquid flow hole 25, a second compression ring 54 is sleeved on the outer wall of the T-shaped seal ring 53 on the side facing the water nozzle 51 on the side facing the compression ring 52, an inner thread matched with the outer thread on the core rod 5 is arranged on the inner wall of the second compression ring 54 on the side facing the water nozzle 51, the inner thread matched with the outer thread on the core rod 5 and the second compression ring 54 is fastened on the core rod 5 together with the T-shaped seal ring 53, the core rod 51 is arranged on the core rod 5, the half section of the same side as the core rod 51 on the core rod 51, the inner end of the core rod 51 is sleeved with the end of the water nozzle 51 is provided with the thread matched with the thread on the water nozzle 56 on the side of the water nozzle 51, and the water nozzle is matched with the water nozzle nut 56, and the water tap nut is arranged on the side with the water nozzle nut 23.
The end face of the rotary rod 6 facing the outside of the main body 1 is provided with a hexagonal, square, cross or straight blind hole 61 matched with an operation tool. The end part of the rotary rod 6 facing the outside of the main body 1 is sleeved in a through hole 12 at the end part of a second screw plug 13 and is in rotary sealing fit with the through hole 12, a thrust bearing 14 sleeved on the rotary rod 6 is arranged in the second screw plug 13, a static ring of the thrust bearing 14 is matched with the inner end surface of the second screw plug 13, a movable ring is matched with the outer end surface on the rotary rod 6, a sealing sleeve 15 of which the outer wall is in sliding and rotary sealing fit with the inner wall of the second screw plug 13 and the inner wall is in sliding and rotary sealing fit with the outer wall of the rotary rod 6 is sleeved on the outer wall of the rotary rod 6 between the sealing sleeve 15 and a core sleeve 22, an intermediate sleeve 16 is arranged in an inner hole of the rotary rod 6 between the sealing sleeve 15 and the core sleeve 22, an outer flange 17 of which the upper end surface is matched with the sealing sleeve 15 is arranged on the outer wall, the side wall of the intermediate sleeve 16 is fixedly connected with the side wall of the rotary rod 6 through a pin 18 in the radial direction, and the inner wall of the intermediate sleeve 16 is in axial sliding fit with the core rod 5 and can drive the core rod 5 to rotate through a flat key or spline fit with the core rod 5. The outer wall of the rotary rod 6, which is matched with the through hole 12 at the end part of the second screw plug 13 in a sleeved mode, is provided with a sealing ring groove, and a sealing ring which is matched with the inner wall of the through hole 12 of the second screw plug 13 in a sealing mode is arranged in the sealing ring groove.
Sealing grooves are respectively arranged on the outer wall and the inner wall of the sealing sleeve 15, sealing rings which are in sealing fit with the inner wall of the second screw plug 13 are arranged in the sealing grooves on the outer wall, and sealing rings which are in sealing fit with the outer wall of the rotary rod 6 are arranged in the sealing grooves on the inner wall.
The outer wall of the second core sleeve 22 in the water nozzle mounting hole 2 is sleeved with a pressing pad 27, the inner end face of the pressing pad 27 facing the first core sleeve 21 is matched with the outer end face of the second core sleeve 22, the outer edge of the pressing pad is fastened between the inner end face of the second screw plug 13 and the main body 1 to fasten the second core sleeve 22 on the main body 1, and one end of the second core sleeve 22 facing the first core sleeve 21 is axially connected with the first core sleeve 21 through threads. The periphery of the core sleeve II 22, which faces the core sleeve I21, of the pressure pad 27 is provided with an annular pressure balance cavity 19 positioned on the main body 1, and the pressure balance cavity 19 is connected with the liquid inlet 3 and is used for balancing the axial sliding pressure of the core rod 5. The pressure balance cavity 19 can prevent the adjusting core rod 5 from being affected by pressure, so that the rotary rod 6 can rotate to adjust the water injection rate with small torque.
The main body 1 is a cylindrical body, the liquid inlet hole 3 and the liquid outlet hole 4 are respectively arranged at one axial end and the other axial end of the main body 1 along the axial direction of the main body 1, the water nozzle mounting hole 2 is arranged on the main body 1 along the radial direction of the main body 1 between the liquid inlet hole 3 and the liquid outlet hole 4, the first diversion hole 31 is composed of a radial hole 32 which is communicated with the liquid inlet hole 3 along the radial direction of the main body 1 and an axial hole 33 which is communicated with the water nozzle mounting hole 2 along the axial direction of the main body 1, and the other axial end of the radial hole 32 which is communicated with the liquid inlet hole 3 is communicated with the axial hole 33. The two axial ends of the main body 1 are respectively provided with a flange plate 7 with a central hole in the axial direction, which is used for being welded and connected with a water pipe, a plurality of double-headed screws 71 are respectively arranged on the two end surfaces of the main body 1 through threads, screw holes matched with the double-headed screws 71 are respectively arranged on each flange plate 7, and the screw holes on each flange plate 7 are matched with the double-headed screws 71 and are arranged on the main body 1 through nuts 72 and spring pads 73. Sealing gasket grooves are respectively arranged on the openings of the liquid inlet holes 3 and the liquid outlet holes 4 facing the outside of the main body 1, and sealing gaskets 74 matched with the flange plates 7 are respectively arranged in the sealing gasket grooves.
The end of the second screw plug 13 facing the outside of the main body 1 is screw-mounted with an end cap 20.
The using method comprises the following steps: the end cover 20 is unscrewed, the rotary rod 6 is rotated by using an inner hexagon or other handles, and the rotary rod 6 drives the core rod 5 to axially slide in the first core sleeve 21 and the second core sleeve 22, so that the water injection quantity can be adjusted. The spanner is rotated clockwise, and the water injection quantity from the liquid inlet hole 3 to the liquid outlet hole 4 is gradually reduced until the spanner is closed; and the water injection quantity gradually increases due to anticlockwise rotation. The hydraulic pressure adjusting device can be used for adjusting under pressure, is quite reliable and convenient to adjust, and greatly saves operation time.
Claims (8)
1. The utility model provides a ground adjustable injection allocation device, it includes main part (1), be equipped with on main part (1) both ends respectively with main part (1) outside be linked together water injection nozzle mounting hole (2), one end and main part (1) outside be linked together feed liquor hole (3) and one end and main part (1) outside be linked together go out liquid hole (4), feed liquor hole (3) are linked together with water injection nozzle mounting hole (2) through water conservancy diversion hole one (31), go out liquid hole (4) and be linked together with water injection nozzle mounting hole (2) through water conservancy diversion hole two (41), its characterized in that: a first screw plug (11) for sealing the orifice is arranged on one orifice communicated with the outside of the main body (1) through threads, a second screw plug (13) with a through hole (12) in the axial direction is arranged on the other orifice through threads, a first core sleeve (21) is arranged in the water nozzle mounting hole (2) on the same side of the first screw plug (11), a second core sleeve (22) is arranged in the water nozzle mounting hole (2) on the same side of the second screw plug (13), a liquid inlet hole (3) sequentially passes through the first guide hole (31), a central hole of the first core sleeve (21) and the second guide hole (41) to be communicated with the liquid outlet hole (4), a core rod (5) is arranged in the first core sleeve (21) and the second core sleeve (22), a rotary rod (6) is rotatably arranged in the second screw plug (13), one end of the core rod (5) facing the rotary rod (6) is axially and slidingly matched with the rotary rod (6), a matched key is arranged between the rotary rod (6) and can be driven to rotate by the rotary rod (6), the second core sleeve (5) is arranged on the inner wall of the second core sleeve (22) facing the inner wall (22) of the first core sleeve (11) and the first screw plug (11), the core sleeve I (21) faces the center hole of the screw plug I (11) and is internally provided with a porcelain sleeve (23) sleeved outside the water nozzle (51) and in sliding sealing fit with the water nozzle (51), the core rod (5) is driven by the rotating rod (6) to rotate, the gap between the water nozzle (51) and the porcelain sleeve (23) can be regulated by axially sliding the core sleeve I (21) and the core sleeve II (22), the rotating rod (6) faces the outer end part of the main body (1) and is sleeved in the end through hole (12) of the screw plug II (13) and in rotating sealing fit with the through hole (12), a thrust bearing (14) sleeved on the rotating rod (6) is arranged in the screw plug II (13), a stationary ring of the thrust bearing (14) is matched with the inner end surface of the screw plug II (13), a rotating ring is matched with the outer end surface on the rotating rod (6), the outer wall of the rotating rod (6) between the thrust bearing (14) and the core rod (5) is sleeved with the inner wall of the screw plug II (13) in sliding and rotating sealing fit, the inner wall of the screw plug II (13) is sleeved with the inner end surface of the screw sleeve (15), the sealing sleeve (15) matched with the inner end surface of the rotating rod (15) is sleeved with the sealing sleeve (15) between the inner end surface of the rotating rod (15 and the rotating sleeve (15), the side wall of the middle sleeve (16) is fixedly connected with the side wall of the rotary rod (6) in the radial direction through a pin rod (18), the inner wall of the middle sleeve (16) is axially matched with the core rod (5) in a sliding way, and the middle sleeve is matched with the core rod (5) through a flat key or a spline to drive the core rod (5) to rotate; the main body (1) is a cylindrical body, the liquid inlet hole (3) and the liquid outlet hole (4) are respectively arranged at one axial end and the other axial end of the main body (1) along the axial direction of the main body (1), the water nozzle mounting hole (2) is arranged between the liquid inlet hole (3) and the liquid outlet hole (4) and is radially arranged on the main body (1) along the main body (1), the first diversion hole (31) is formed by a radial hole (32) which is radially communicated with the liquid inlet hole (3) along the main body (1) and an axial hole (33) which is axially communicated with the water nozzle mounting hole (2) along the main body (1), the other axial end of the radial hole (32) which is axially communicated with the liquid inlet hole (3) is respectively provided with a flange plate (7) which is provided with a central hole along the axial direction of the water pipe, a plurality of double-ended screws (71) are respectively arranged on the two end surfaces of the main body (1) through threads, the screw holes matched with the double-ended screws (71) are respectively arranged on the flange plates (7), and the screw holes on the flange plates (7) are combined with the double-ended screws (71) through the double-ended screws (73) and the double-ended screws (73) respectively.
2. The ground adjustable injector according to claim 1, characterized in that a sand control cap (24) is mounted on the end of the first core sleeve (21) facing the first screw plug (11) through threads, the sand control cap (24) covers the outside of the water nozzle (51), a plurality of overflow gaps are formed in the axial direction, and the end face of the sand control cap (24) is matched with the porcelain sleeve (23) to fasten the porcelain sleeve (23) on the first core sleeve (21).
3. The ground adjustable injection allocation device according to claim 1, wherein the side wall of the first core sleeve (21) is provided with a liquid flow hole (25) at a position corresponding to the second flow guide hole (41), two sealing ring grooves are respectively arranged on the outer wall of the first core sleeve (21) at two sides of the liquid flow hole (25), sealing rings matched with the inner wall of the water nozzle mounting hole (2) in a sealing way are respectively arranged in the sealing ring grooves, and an annular groove (26) is arranged at a position corresponding to the second flow guide hole (41) on the inner wall of the water nozzle mounting hole (2).
4. The ground adjustable injector of claim 3, wherein a seal ring groove is arranged on the outer wall of the core rod (5) between the liquid flow hole (25) and the second core sleeve (22), a seal ring which is matched with the inner wall of the first core sleeve (21) in a sealing way is arranged in the seal ring groove, a press ring I (52), a T-shaped seal ring (53), a press ring II (54) and a backup cap (55) are respectively arranged on the core rod (5) between the liquid flow hole (25) and the water nozzle (51), the T-shaped seal ring (53) is sleeved on the core rod (5), the outer wall of the middle part of the T-shaped seal ring (53) is matched with the inner wall of the first core sleeve (21) in a sealing way, the press ring I (52) is sleeved on the outer wall of the side of the T-shaped seal ring (53) which faces the water nozzle (51), the inner wall of the side of the second (54) which faces the water nozzle (51) is provided with an inner thread which is matched with the outer thread of the core rod (5), the press ring II (54) is matched with the press ring (5) on the inner thread of the core rod (5) in a threaded way, the water nozzle (51) and the half section sleeve on the same side of the spare cap (55) are sleeved on the core rod (5), the end part of the core rod (5) positioned in the water nozzle (51) is provided with external threads and is provided with a nut (56) through threads, the nut (56) is matched with the inner end surface of the water nozzle (51) to install the water nozzle (51) on the core rod (5), and the side wall of the water nozzle (51) on the same side of the nut (56) is provided with a flow regulating axial strip-shaped opening (57) matched with the porcelain bushing (23).
5. Ground adjustable injector according to claim 1, characterized in that the end face of the screw rod (6) facing the outside of the main body (1) is provided with a hexagonal, square, cross or in-line blind hole (61) for cooperation with an operating tool.
6. The ground adjustable injector according to claim 1, characterized in that a sealing ring groove is arranged on the outer wall of the screw rod (6) which is matched with the through hole (12) at the end part of the screw plug II (13), sealing rings which are matched with the inner wall of the through hole (12) of the screw plug II (13) are arranged in the sealing ring groove, sealing ring grooves are respectively arranged on the outer wall and the inner wall of the sealing sleeve (15), sealing rings which are matched with the inner wall of the screw plug II (13) are arranged in the sealing ring grooves on the outer wall, and sealing rings which are matched with the outer wall of the screw rod (6) are arranged in the sealing ring grooves on the inner wall.
7. The ground adjustable injector according to claim 1, characterized in that a pressing pad (27) is sleeved on the outer wall of the second core sleeve (22) in the water nozzle mounting hole (2), the inner end face of the pressing pad (27) facing the first core sleeve (21) is matched with the outer end face of the second core sleeve (22), the outer edge is fastened between the inner end face of the second screw plug (13) and the main body (1) to fasten the second core sleeve (22) on the main body (1), and one end of the second core sleeve (22) facing the first core sleeve (21) is axially connected with the first core sleeve (21) through threads.
8. The ground adjustable injector according to claim 7, characterized in that the periphery of the core sleeve two (22) of the pressure pad (27) facing the side of the core sleeve one (21) is provided with an annular pressure balance cavity (19) positioned on the main body (1), and the annular pressure balance cavity (19) is connected with the liquid inlet hole (3) to be used for balancing the axial sliding pressure of the core rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710912705.4A CN107575192B (en) | 2017-09-30 | 2017-09-30 | Ground adjustable injection allocation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710912705.4A CN107575192B (en) | 2017-09-30 | 2017-09-30 | Ground adjustable injection allocation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107575192A CN107575192A (en) | 2018-01-12 |
| CN107575192B true CN107575192B (en) | 2023-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710912705.4A Active CN107575192B (en) | 2017-09-30 | 2017-09-30 | Ground adjustable injection allocation device |
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| Country | Link |
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| CN (1) | CN107575192B (en) |
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| CN2653127Y (en) * | 2003-09-19 | 2004-11-03 | 贵州航天凯山石油仪器有限公司 | Blocking device |
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| CN106437648A (en) * | 2016-12-21 | 2017-02-22 | 牡丹江博实石油机械科技有限公司 | Zero leakage loss flow regulating and blocking device |
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| Publication number | Publication date |
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| CN107575192A (en) | 2018-01-12 |
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