CN109654239B - Micro wellhead gate valve - Google Patents
Micro wellhead gate valve Download PDFInfo
- Publication number
- CN109654239B CN109654239B CN201910151829.4A CN201910151829A CN109654239B CN 109654239 B CN109654239 B CN 109654239B CN 201910151829 A CN201910151829 A CN 201910151829A CN 109654239 B CN109654239 B CN 109654239B
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- screw rod
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- 238000001914 filtration Methods 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims description 53
- 210000004907 gland Anatomy 0.000 claims description 14
- 239000000945 filler Substances 0.000 claims description 9
- 230000008676 import Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 65
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 10
- 235000017491 Bambusa tulda Nutrition 0.000 description 10
- 241001330002 Bambuseae Species 0.000 description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 10
- 239000011425 bamboo Substances 0.000 description 10
- 239000010687 lubricating oil Substances 0.000 description 6
- 239000003208 petroleum Substances 0.000 description 6
- 238000003825 pressing Methods 0.000 description 6
- 239000012535 impurity Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0209—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor the valve having a particular passage, e.g. provided with a filter, throttle or safety device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/02—Valve arrangements for boreholes or wells in well heads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0254—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor being operated by particular means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0008—Mechanical means
- F16K37/0016—Mechanical means having a graduated scale
Abstract
The invention discloses a gate valve of a micro wellhead, which comprises a hand wheel, an upper valve barrel, a valve body, a lower valve barrel, a screw rod, a valve plate, a connecting piece and a filtering device, wherein flanges are arranged at two ends of the valve body, the upper valve barrel and the lower valve barrel are arranged on the side wall of the valve body, the upper valve barrel and the lower valve barrel are communicated with the valve body, the valve plate is arranged in the valve body, the filtering device is arranged at the lower end of the valve plate and matched with the lower valve barrel, the connecting piece is arranged at the upper end of the valve plate, the screw rod is arranged in the upper valve barrel, the lower end of the screw rod is connected with the connecting piece, the upper end of the screw rod is connected. Set up the connecting piece in the inside of valve plate, the valve plate is closed the back, can continue to carry out the circulation of oil through the lift of connecting piece, avoids leading to the problem that well head pressure rises pressure loss wellhead assembly and oil leak because misoperation closes the valve plate, has avoided the loss of resource, has protected equipment, has reduced the maintenance number of times, the cost is reduced.
Description
Technical Field
The invention relates to the technical field of wellhead gate valves, in particular to a micro wellhead gate valve.
Background
In the production process, if the wellhead gate valve is closed in case of error operation, the pumping jump pumping is caused to raise the pressure of the original wellhead, so that a sealing device in a polished pumping rod sealer is damaged, the original overflow is caused, and the great resource loss is caused.
At present, in order to ensure the safe production, equipment needs to be overhauled and maintained regularly, but the labor consumption is large, the cost is high, and the detection and observation cannot be carried out constantly.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the micro wellhead gate valve, the connecting piece is arranged in the valve plate, and after the valve plate is closed, petroleum can be continuously circulated through the lifting of the connecting piece, so that the problems that wellhead pressure rises and wellhead devices are damaged and petroleum leaks due to the fact that the valve plate is closed by misoperation are avoided, the resource loss is avoided, the equipment is protected, the working strength of workers is reduced, the overhauling frequency is reduced, the use safety of the equipment is increased, and the cost is reduced.
In order to realize the purpose, the invention provides the following technical scheme:
the utility model provides a fine motion well head gate valve, includes the hand wheel, goes up valve barrel, valve body, lower valve barrel, screw rod, valve plate, connecting piece, filter equipment, the both ends of valve body all are equipped with the flange, are equipped with valve barrel and lower valve barrel on the lateral wall of valve body, go up valve barrel and lower valve barrel all with the valve body intercommunication, in the valve body was located to the valve plate, the lower extreme of valve plate was equipped with filter equipment, filter equipment and lower valve barrel cooperation, the upper end of valve plate was equipped with the connecting piece, in the valve barrel was located to the screw rod, the lower extreme and the connecting piece of screw rod were connected, the upper end and the hand wheel connection of screw rod, the top of last.
Preferably, the upper end of going up the valve section of thick bamboo is equipped with the mounting groove, upward be equipped with the sealing washer in the mounting groove, the top of going up the sealing washer is equipped with the clamping ring, it is equipped with the gland to go up the valve section of thick bamboo lower extreme, go up bolted connection between gland and the last valve section of thick bamboo, the lower part of going up the valve section of thick bamboo is equipped with the valve plate chamber, valve plate chamber and valve plate cooperation.
Preferably, be equipped with the oil filler point on the lateral wall of going up the valve section of thick bamboo, the oil filler point communicates with the valve plate chamber, the import department of oil filler point is equipped with the shutoff piece.
Preferably, the blocking piece comprises a rotating block, a sealing gasket and a plunger, one end of the plunger is connected with the rotating block, the plunger is sleeved with the sealing gasket, one side of the sealing gasket is connected with the rotating block, and the plunger is in threaded fit with the oil filling hole.
Preferably, the lower terminal surface of lower valve section of thick bamboo is equipped with down the mounting groove, be equipped with the lower sealing washer down in the mounting groove, the below of lower sealing washer is equipped with down the clamping ring, lower valve section of thick bamboo lower extreme is equipped with down the gland, bolted connection between gland and the lower valve section of thick bamboo down.
Preferably, the inside of valve plate is equipped with the oil pocket, and in the oil pocket was located to the one end of connecting piece, the other end and the screw rod of connecting piece were connected, one side of valve plate was equipped with the inlet port, and the opposite side of valve plate is equipped with the oil outlet, the upper end of valve plate is equipped with the indent, be equipped with the seal groove in the indent, the middle part of seal groove is equipped with the connecting hole with the oil pocket intercommunication, connecting piece and connecting hole cooperation, be equipped with the second sealing ring in the seal groove, the top of second sealing ring is equipped with first sealing ring, be equipped with the pressure disk in the indent, the edge of pressure disk is passed.
Preferably, the connecting piece includes connecting block, connecting rod, elevator, the connecting rod cooperates with the connecting hole, and the upper end and the connecting block of connecting rod are connected, the connecting block is connected with the screw rod, the lower extreme and the elevator of connecting rod are connected, the elevator is located the oil pocket, be equipped with the spacing ring on the inner wall of oil pocket, the spacing ring is located between elevator and the inlet port, the elevator with be equipped with the spring between the bottom of oil pocket.
Preferably, the middle part of screw rod is from last first prompt line, second prompt line, third prompt line of down one side being equipped with, the lower part of screw rod is equipped with spacing hole, spacing downthehole is located to the connecting block.
Preferably, the lower extreme of valve plate is equipped with the connecting plate, the lower extreme of connecting plate is equipped with the fixed plate perpendicularly, filter equipment includes into the oilplate and goes out the oilplate, the lower extreme of into the oilplate passes through the bottom plate with the lower extreme that goes out the oilplate and is connected, it all is equipped with the hook plate perpendicularly with the upper end of going out the oilplate to advance the oilplate, the lower terminal surface of hook plate is connected with the up end of fixed plate, it strains the hole to be equipped with the oil feed on the oilplate, it strains the hole to go out to be equipped with the oil on the oilplate.
Preferably, the aperture of the oil inlet filtering hole is larger than that of the oil outlet filtering hole.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the connecting piece is arranged in the valve plate, and after the valve plate is closed, petroleum can be continuously circulated through the lifting of the connecting piece, so that the problems that the wellhead pressure rises and the wellhead device is damaged and petroleum is leaked due to the closing of the valve plate caused by misoperation are solved, the resource loss is avoided, the equipment is protected, the working strength of workers is reduced, the overhauling times are reduced, the use safety of the equipment is increased, and the cost is reduced.
2. The side wall of the upper valve barrel is provided with the oil injection hole, the oil injection hole is communicated with the valve plate cavity, lubricating oil can be injected into the valve from the outside, the oil injection is convenient to add, the smoothness of connection among the internal screw, the connecting piece and the valve plate can be ensured, the friction is reduced, the abrasion is reduced, and the service life of equipment is prolonged.
3. One end of the plunger is connected with the rotating block, the plunger is sleeved with the sealing gasket, the plunger is in threaded fit with the oil filling hole, the connecting mode is simple and firm, the disassembly and the assembly are convenient, the sealing gasket can prevent lubricating oil from leaking, the sealing performance is improved, and the lubricating oil from leaking and external sundries from entering are prevented.
4. The lower end surface of the lower valve barrel is provided with the lower mounting groove, the lower sealing ring is arranged in the lower mounting groove, the lower pressing ring is arranged below the lower sealing ring, the sealing performance of the lower valve barrel is guaranteed, leakage is prevented, the lower end of the lower valve barrel is provided with the lower pressing cover, the lower pressing cover can be conveniently dismounted, mounted and maintained, the valve plate and the filtering device can be conveniently replaced, and the convenience in maintenance is improved.
5. According to the invention, the second sealing ring is arranged in the sealing groove, the first sealing ring is arranged above the second sealing ring, the pressure plate is arranged in the pressure groove, the firmness of fixing the first sealing ring and the second sealing ring and the reliability of sealing are ensured by the pressure plate, the petroleum is ensured not to overflow from the connecting hole, and the reliability and safety of use are ensured.
6. According to the invention, the limiting ring is arranged on the inner wall of the oil cavity, the limiting ring is arranged between the lifting block and the oil inlet hole, the moving range of the lifting block can be limited, the spring is arranged between the lifting block and the bottom of the oil cavity, the moving pressure of the lifting block can be determined according to the elasticity of the spring, the communication pressure is controlled, and the function of the valve is increased.
7. The first prompt line, the second prompt line and the third prompt line are arranged on one side of the middle of the screw rod from top to bottom, an operator can be reminded of the state of the current connecting piece through the three prompt lines, and the valve can be conveniently adjusted by the operator, so that the valve is more convenient to use.
8. The filtering device is convenient to disassemble, assemble and clean, the aperture of the oil inlet filtering hole is larger than that of the oil outlet filtering hole, impurities can be filtered, the impurities are collected in the filtering device, the filtering device is convenient to clean, and the purity of petroleum is guaranteed.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is an enlarged view of FIG. 2 at A;
FIG. 4 is a first schematic structural view of a valve plate;
FIG. 5 is a second schematic structural view of the valve plate;
FIG. 6 is a schematic structural view of a connector;
FIG. 7 is a schematic view of the structure of the filter device;
fig. 8 is a schematic view of the structure of the block piece.
In the figure: 1-hand wheel; 2-upper valve cylinder; 201-pressing cover; 202-mounting the groove; 203-upper compression ring; 204-upper sealing ring; 205-valve plate cavity; 206-oil holes; 3-a valve body; 301-a flange; 4-lower valve cylinder; 401-lower gland; 402-lower mounting groove; 403-lower sealing ring; 404-lower compression ring; 5-a screw; 501-a first cue line; 502-second cue line; 503-a third cue line; 504-a limiting hole; 6-a valve plate; 601-pressing a groove; 602-a seal groove; 603-a connection hole; 604-a chute; 605-oil inlet hole; 606-fixing the plate; 607-oil outlet; 608-a connecting plate; 609-an oil chamber; 610-a spacing ring; 611, pressing a plate; 612-a first seal ring; 613-second sealing ring; 614-a spring; 7-a connector; 701-connecting blocks; 702-a connecting rod; 703-a lifting block; 8-a filtration device; 801-hook plate; 802-oil outlet plate; 803-oil outlet filter holes; 804-a backplane; 805-oil inlet plate; 806-oil filter holes; 9-plugging piece; 901-turning blocks; 902-a gasket; 903-plunger.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-8, a fine motion well head gate valve, includes hand wheel 1, goes up valve barrel 2, valve body 3, lower valve barrel 4, screw rod 5, valve plate 6, connecting piece 7, filter equipment 8, the both ends of valve body 3 all are equipped with flange 301, are equipped with on the lateral wall of valve body 3 and go up valve barrel 2 and lower valve barrel 4, go up valve barrel 2 and lower valve barrel 4 all with valve body 3 intercommunication, in valve body 3 was located to valve plate 6, the lower extreme of valve plate 6 was equipped with filter equipment 8, filter equipment 8 and the cooperation of lower valve barrel 4, the upper end of valve plate 6 was equipped with connecting piece 7, in last valve barrel 2 was located to screw rod 5, the lower extreme and the connecting piece 7 of screw rod 5 were connected, the upper end and the hand wheel 1 of screw rod 5 were connected, the top of last valve barrel 2 was located.
Go up the upper end of valve barrel 2 and be equipped with mounting groove 202, upward be equipped with sealing washer 204 in the mounting groove 202, the top of going up sealing washer 204 is equipped with last clamping ring 203, 2 lower extremes of going up valve barrel are equipped with gland 201, go up bolted connection between gland 201 and the last valve barrel 2, the lower part of going up valve barrel 2 is equipped with valve plate chamber 205, valve plate chamber 205 and the cooperation of valve plate 6.
Be equipped with oil filler point 206 on the lateral wall of going up valve barrel 2, oil filler point 206 and valve plate cavity 205 intercommunication, the import department of oil filler point 206 is equipped with shutoff 9. Can follow the outside to the inside filling lubricating oil of valve, it is convenient to add, can guarantee the smoothness of being connected between inside screw rod, connecting piece and the valve plate simultaneously, reduces the friction, reduces wearing and tearing, improve equipment life-span.
The blocking piece 9 comprises a rotating block 901, a sealing gasket 902 and a plunger 903, one end of the plunger 903 is connected with the rotating block 901, the plunger 903 is sleeved with the sealing gasket 902, one side of the sealing gasket 902 is connected with the rotating block 901, and the plunger 903 is in threaded fit with the oil filling hole 206. The connection mode is simple firm, the dismouting of being convenient for, and sealed pad can prevent lubricating oil and leak, improves sealing performance, prevents the entering of lubricating oil leakage and external debris.
The inside of valve plate 6 is equipped with the oil pocket 609, and in the oil pocket 609 was located to the one end of connecting piece 7, the other end and the screw rod 5 of connecting piece 7 were connected, one side of valve plate 6 was equipped with inlet port 605, and the opposite side of valve plate 6 was equipped with oil outlet 607, the upper end of valve plate 6 is equipped with indent 601, be equipped with seal groove 602 in the indent 601, the middle part of seal groove 602 is equipped with the connecting hole 603 that communicates with the oil pocket 609, connecting piece 7 and connecting hole 603 cooperation, be equipped with second sealing ring 613 in the seal groove 602, the top of second sealing ring 613 is equipped with first sealing ring 612, be equipped with pressure disk 611 in the indent 601, the edge of pressure disk 611 passes through the bolt and is connected. Guarantee the fastness and the sealed reliability of first sealing ring and second sealing ring fixed through the pressure disk, guarantee that oil can not spill over from the connecting hole in, ensure reliable and the safety of using.
The connecting piece 7 comprises a connecting block 701, a connecting rod 702 and a lifting block 703, the connecting rod 702 is matched with the connecting hole 603, the upper end of the connecting rod 702 is connected with the connecting block 701, the connecting block 701 is connected with the screw 5, the lower end of the connecting rod 702 is connected with the lifting block 703, the lifting block 703 is arranged in an oil cavity 609, a limiting ring 610 is arranged on the inner wall of the oil cavity 609, the limiting ring 610 is arranged between the lifting block 703 and the oil inlet 605, and a spring 614 is arranged between the lifting block 703 and the bottom of the oil cavity 609. The limiting ring is arranged between the lifting block and the oil inlet hole and can limit the moving range of the lifting block, a spring is arranged between the lifting block and the bottom of the oil cavity, the moving pressure of the lifting block can be determined according to the elasticity of the spring, the communication pressure is controlled, and the function of the valve is increased.
The middle part of screw rod 5 is equipped with first warning line 501, second warning line 502, third warning line 503 from last down one side, the lower part of screw rod 5 is equipped with spacing hole 504, connecting block 701 is located in the spacing hole 504. Can remind the state of operator present connecting piece through three warning lines, the staff of being convenient for adjusts the valve, and it is more convenient to let the use.
The lower extreme of valve plate 6 is equipped with connecting plate 608, the lower extreme of connecting plate 608 is equipped with fixed plate 606 perpendicularly, filter equipment 8 includes oil inlet plate 805 and oil outlet plate 802, oil inlet plate 805's lower extreme passes through bottom plate 804 with oil outlet plate 802 and is connected, oil inlet plate 805 all is equipped with hook plate 801 perpendicularly with oil outlet plate 802's upper end, hook plate 801's lower terminal surface is connected with the up end of fixed plate 606, be equipped with oil feed filtration hole 806 on the oil inlet plate 805, be equipped with oil outlet filtration hole 803 on the oil outlet plate 802.
The aperture of the oil inlet filtering hole 806 is larger than that of the oil outlet filtering hole 803. Can filter impurity, collect impurity inside filter equipment, be convenient for clear away, guarantee the purity of oil.
During the use, when the screw rod changes first suggestion line 501 position, the upper end top of connecting block 701 is in the upper end of spacing hole 504 this moment, continue to rotate downwards, screw rod 5 pushes down connecting block 701 this moment, elevator 703 descends, with inlet port 605 and the oil outlet 607 intercommunication on the valve plate 6, even valve 6 closes, the oil flow of miniflow also can be carried out, when screw rod 5 changes second suggestion county 502 position department, connecting block 701 has been located the middle part of spacing hole 504 this moment, only can promote elevator 703 decline realization intercommunication after the oil hydraulic pressure reaches certain numerical value this moment, when screw rod 5 rotates third suggestion line 503 position, screw rod 5 upwards strains connecting block 701 this moment, realize at this moment thoroughly closing to the valve, no liquid circulation. Set up connecting piece 7 in the inside of valve plate 6, valve plate 6 closes the back, can continue to carry out the circulation of oil through the lift of connecting piece, avoids leading to the problem that well head pressure rises and decreases well head device and oil leakage because misoperation closes valve plate 6, has avoided the loss of resource, has protected equipment, has reduced staff's working strength moreover, has reduced the maintenance number of times, has increased the safe in utilization of equipment, the cost is reduced.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (8)
1. A micro wellhead gate valve is characterized in that: comprises a hand wheel (1), an upper valve barrel (2), a valve body (3), a lower valve barrel (4), a screw rod (5), a valve plate (6), a connecting piece (7) and a filtering device (8), wherein flanges (301) are arranged at two ends of the valve body (3), the upper valve barrel (2) and the lower valve barrel (4) are arranged on the side wall of the valve body (3), the upper valve barrel (2) and the lower valve barrel (4) are communicated with the valve body (3), the valve plate (6) is arranged in the valve body (3), the filtering device (8) is arranged at the lower end of the valve plate (6), the filtering device (8) is matched with the lower valve barrel (4), the connecting piece (7) is arranged at the upper end of the valve plate (6), the screw rod (5) is arranged in the upper valve barrel (2), the lower end of the screw rod (5) is connected with the connecting piece (7), the upper end of the screw rod (5) is connected with the hand wheel (1), the hand wheel (, the oil cavity (609) is arranged inside the valve plate (6), one end of the connecting piece (7) is arranged in the oil cavity (609), the other end of the connecting piece (7) is connected with the screw rod (5), one side of the valve plate (6) is provided with an oil inlet hole (605), the other side of the valve plate (6) is provided with an oil outlet hole (607), the upper end of the valve plate (6) is provided with a pressure groove (601), a sealing groove (602) is arranged in the pressure groove (601), the middle part of the sealing groove (602) is provided with a connecting hole (603) communicated with the oil cavity (609), the connecting piece (7) is matched with the connecting hole (603), a second sealing ring (613) is arranged in the sealing groove (602), a first sealing ring (612) is arranged above the second sealing ring (613), a pressure plate (611) is arranged in the pressure groove (601), and the edge of the pressure plate (611) is, connecting piece (7) are including connecting block (701), connecting rod (702), elevator (703), connecting rod (702) and connecting hole (603) cooperation, and the upper end and connecting block (701) of connecting rod (702) are connected, connecting block (701) are connected with screw rod (5), the lower extreme and the elevator (703) of connecting rod (702) are connected, elevator (703) are located in oil pocket (609), be equipped with spacing ring (610) on the inner wall of oil pocket (609), between elevator (703) and inlet port (605) are located to spacing ring (610), be equipped with spring (614) between the bottom of elevator (703) and oil pocket (609).
2. The micro wellhead gate valve of claim 1, wherein: go up the upper end of valve barrel (2) and be equipped with mounting groove (202), it is equipped with sealing washer (204) in mounting groove (202) to go up, the top of going up sealing washer (204) is equipped with clamping ring (203), it is equipped with gland (201) to go up valve barrel (2) lower extreme, go up bolted connection between gland (201) and the last valve barrel (2), the lower part of going up valve barrel (2) is equipped with valve plate chamber (205), valve plate chamber (205) and valve plate (6) cooperation.
3. A micro wellhead gate valve as claimed in claim 2 wherein: be equipped with oil filler point (206) on the lateral wall of going up valve barrel (2), oil filler point (206) and valve plate chamber (205) intercommunication, the import department of oil filler point (206) is equipped with shutoff piece (9).
4. A micro wellhead gate valve as claimed in claim 3 wherein: the plugging piece (9) comprises a rotating block (901), a sealing gasket (902) and a plunger (903), one end of the plunger (903) is connected with the rotating block (901), the plunger (903) is sleeved with the sealing gasket (902), one side of the sealing gasket (902) is connected with the rotating block (901), and the plunger (903) is in threaded fit with the oil filling hole (206).
5. The micro wellhead gate valve of claim 1, wherein: the lower terminal surface of lower valve barrel (4) is equipped with down mounting groove (402), be equipped with down sealing washer (403) down in mounting groove (402), the below of lower sealing washer (403) is equipped with down clamping ring (404), lower valve barrel (4) lower extreme is equipped with down gland (401), bolted connection between gland (401) and lower valve barrel (4) down.
6. The micro wellhead gate valve of claim 1, wherein: the middle part of screw rod (5) is from last to being equipped with first warning line (501), second warning line (502), third warning line (503) down one side, the lower part of screw rod (5) is equipped with spacing hole (504), connecting block (701) are located in spacing hole (504).
7. The micro wellhead gate valve of claim 1, wherein: the lower extreme of valve plate (6) is equipped with connecting plate (608), the lower extreme of connecting plate (608) is equipped with fixed plate (606) perpendicularly, filter equipment (8) are including oil feeding plate (805) and play oil plate (802), the lower extreme of oil feeding plate (805) passes through bottom plate (804) with the lower extreme of going out oil plate (802) and is connected, oil feeding plate (805) all are equipped with hook plate (801) perpendicularly with the upper end of going out oil plate (802), the lower terminal surface of hook plate (801) is connected with the up end of fixed plate (606), be equipped with oil feed filtration hole (806) on oil feeding plate (805), it goes out oil filtration hole (803) to be equipped with on oil plate (802).
8. The micro wellhead gate valve of claim 7, wherein: the aperture of the oil inlet filtering hole (806) is larger than that of the oil outlet filtering hole (803).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910151829.4A CN109654239B (en) | 2019-02-28 | 2019-02-28 | Micro wellhead gate valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910151829.4A CN109654239B (en) | 2019-02-28 | 2019-02-28 | Micro wellhead gate valve |
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| CN109654239A CN109654239A (en) | 2019-04-19 |
| CN109654239B true CN109654239B (en) | 2020-05-22 |
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| CN201910151829.4A Active CN109654239B (en) | 2019-02-28 | 2019-02-28 | Micro wellhead gate valve |
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| CN112780240A (en) * | 2021-02-22 | 2021-05-11 | 大庆市天德忠石油科技有限公司 | Water injection valve for oil production well head of oil field |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008000735B3 (en) * | 2008-03-18 | 2009-06-18 | Schubert & Salzer Control Systems Gmbh | Slide valve i.e. sliding plate valve, for use during volume flow rates regulation of e.g. gas in industry sectors, has spring element whose resilience is measured such relative movement between drive element and plate is stopped |
| CN203797015U (en) * | 2014-04-04 | 2014-08-27 | 薛瑞华 | Gate valve |
| CN105156703A (en) * | 2015-09-30 | 2015-12-16 | 黄建斌 | Regulating gate valve |
| CN205244450U (en) * | 2015-12-17 | 2016-05-18 | 上海诺特飞博燃烧设备有限公司 | Two steps of on -off gate valves |
| CN107448632A (en) * | 2017-09-30 | 2017-12-08 | 武汉亿维登科技发展有限公司 | One kind water saving filter sterilization tap |
| CN108662239A (en) * | 2018-08-02 | 2018-10-16 | 徐雪兰 | A kind of through-type internal thread self-locking ball valve |
-
2019
- 2019-02-28 CN CN201910151829.4A patent/CN109654239B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008000735B3 (en) * | 2008-03-18 | 2009-06-18 | Schubert & Salzer Control Systems Gmbh | Slide valve i.e. sliding plate valve, for use during volume flow rates regulation of e.g. gas in industry sectors, has spring element whose resilience is measured such relative movement between drive element and plate is stopped |
| CN203797015U (en) * | 2014-04-04 | 2014-08-27 | 薛瑞华 | Gate valve |
| CN105156703A (en) * | 2015-09-30 | 2015-12-16 | 黄建斌 | Regulating gate valve |
| CN205244450U (en) * | 2015-12-17 | 2016-05-18 | 上海诺特飞博燃烧设备有限公司 | Two steps of on -off gate valves |
| CN107448632A (en) * | 2017-09-30 | 2017-12-08 | 武汉亿维登科技发展有限公司 | One kind water saving filter sterilization tap |
| CN108662239A (en) * | 2018-08-02 | 2018-10-16 | 徐雪兰 | A kind of through-type internal thread self-locking ball valve |
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| Publication number | Publication date |
|---|---|
| CN109654239A (en) | 2019-04-19 |
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Denomination of invention: A micro wellhead gate valve Effective date of registration: 20211129 Granted publication date: 20200522 Pledgee: Bank of Nanjing Co.,Ltd. Yancheng branch Pledgor: JIANGSU XIONGYUE PETROLEUM MECHANICAL EQUIPMENT MANUFACTURING Co.,Ltd. Registration number: Y2021320010507 |
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Date of cancellation: 20220215 Granted publication date: 20200522 Pledgee: Bank of Nanjing Co.,Ltd. Yancheng branch Pledgor: JIANGSU XIONGYUE PETROLEUM MECHANICAL EQUIPMENT MANUFACTURING Co.,Ltd. Registration number: Y2021320010507 |
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Denomination of invention: A micro-motion wellhead gate valve Effective date of registration: 20220907 Granted publication date: 20200522 Pledgee: Postal Savings Bank of China Co.,Ltd. Binhai County Sub branch Pledgor: JIANGSU XIONGYUE PETROLEUM MECHANICAL EQUIPMENT MANUFACTURING Co.,Ltd. Registration number: Y2022320010507 |
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Date of cancellation: 20230216 Granted publication date: 20200522 Pledgee: Postal Savings Bank of China Co.,Ltd. Binhai County Sub branch Pledgor: JIANGSU XIONGYUE PETROLEUM MECHANICAL EQUIPMENT MANUFACTURING Co.,Ltd. Registration number: Y2022320010507 |
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