Search

CN-224229365-U - Oilfield self-flowing water injection pipeline switch valve

CN224229365UCN 224229365 UCN224229365 UCN 224229365UCN-224229365-U

Abstract

The utility model relates to the technical field of oilfield water injection exploitation and discloses an oilfield self-flow water injection pipeline switch valve which comprises a valve seat, wherein a valve body is fixedly connected to the middle of the top wall of the valve seat, a filtering mechanism is arranged in the valve seat and used for filtering impurities, a quick-dismantling mechanism is arranged in the valve body and used for quickly maintaining the valve, the filtering mechanism comprises round grooves, two round grooves are formed in the left side and the right side of the inner wall of the valve seat, springs are arranged in the left side and the right side of the inner wall of the round grooves, and a sealing gasket I is arranged at the tail end of each spring. In the utility model, the filter screen is put in the middle of the fixed block and slides into the valve seat, the spring pushes the first sealing gasket to cling to two sides of the filter screen, thereby preventing water flow from bypassing and buffering impact, the connecting block is rotated, the bolt is used for penetrating and fixing the connecting block in the first clamping groove, and when in maintenance, the bolt is pulled out, the connecting block is rotated, and the filter screen is rapidly taken out for cleaning or replacement, so that the service life of the valve is prolonged.

Inventors

  • WANG JING
  • NIE HAO
  • WAN XU

Assignees

  • 北京骏陇国际石油工程技术有限公司

Dates

Publication Date
20260512
Application Date
20250701

Claims (8)

  1. 1. The oilfield self-flow water injection pipeline switching valve comprises a valve seat (1) and is characterized in that a valve body (4) is fixedly connected to the middle of the top wall of the valve seat (1), a filtering mechanism (2) is arranged in the valve seat (1), the filtering mechanism (2) is used for filtering impurities, a quick-dismantling mechanism (3) is arranged in the valve body (4), and the quick-dismantling mechanism (3) is used for rapidly maintaining the valve; the filter mechanism (2) comprises round grooves (201), two round grooves (201) are formed in the left side and the right side of the inner wall of the valve seat (1), springs (202) are arranged on the left side and the right side of the inner wall of the round grooves (201), a sealing gasket (203) is arranged at the tail end of each spring (202), a filter screen (204) is arranged in each round groove (201), and a fixing assembly (205) is arranged at the top of the valve seat (1).
  2. 2. The oilfield self-flowing water injection pipeline switch valve of claim 1, wherein the fixing assembly (205) comprises fixing blocks (2051), a plurality of fixing blocks (2051) are fixedly connected to the left side and the right side of the top wall of the valve seat (1), connecting blocks (2052) are rotatably connected to the far side of the top wall of the two fixing blocks (2051), clamping grooves (2053) are formed in the front side and the rear side of the top wall of the filter screen (204), and bolts (2054) are arranged in the clamping grooves (2053).
  3. 3. The oilfield self-flowing water injection pipeline switching valve according to claim 1, wherein the quick-dismantling mechanism (3) comprises a thread groove (301), the thread groove (301) is formed in the top wall of the valve body (4), a clamping groove II (303) is formed in the middle lower portion of the inner wall of the thread groove (301), a sealing gasket II (304) is arranged on the inner wall of the clamping groove II (303), a thread column (302) is connected with the inner wall of the thread groove (301) in a threaded mode, a rotary disc I (305) is fixedly connected to the top of the thread column (302), and a valve component (306) is arranged in the valve body (4).
  4. 4. The oilfield self-flowing water injection pipeline switching valve according to claim 3, wherein the valve assembly (306) comprises a valve rod (3061), the valve rod (3061) penetrates through the middle of the top wall of the threaded column (302), a column valve (3062) is fixedly connected to the bottom end of the outer wall of the valve rod (3061), and a turntable II (3063) is fixedly connected to the top end of the outer wall of the valve rod (3061).
  5. 5. The oilfield self-flowing water injection pipeline switch valve of claim 1, wherein the springs (202) are equidistantly arranged on the left side and the right side of the inner wall of the circular groove (201), and the springs (202) are made of nickel-based alloy materials.
  6. 6. The oilfield self-flowing water injection pipeline switch valve of claim 2, wherein the connecting block (2052) is clamped with the clamping groove I (2053) through a plug pin (2054), and the filter screen (204) is connected to one side adjacent to the outer walls of the two fixed blocks (2051) in a sliding mode.
  7. 7. The oilfield self-flowing water injection pipeline switching valve according to claim 4, wherein the valve rod (3061) is rotatably connected to the middle part of the inner wall of the threaded column (302), and the column valve (3062) is rotatably connected to the middle part of the inner wall of the valve seat (1).
  8. 8. The oilfield self-flowing water injection pipeline switch valve of claim 1, wherein flanges (5) are fixedly connected to the left end and the right end of the outer wall of the valve seat (1), and a plurality of connecting holes (6) are formed in the outer wall of the flange (5) at equal intervals.

Description

Oilfield self-flowing water injection pipeline switch valve Technical Field The utility model relates to the technical field of oilfield water injection exploitation, in particular to an oilfield self-flow water injection pipeline switch valve. Background The on-off valve for self-flowing water injection pipeline in oil field is one key device for controlling the on-off of fluid in water injection pipeline and is installed mainly on self-flowing water injection pipeline to regulate water injection amount, control water injection flow or isolate pipeline area. Through retrieval, chinese patent publication No. CN221974329U discloses an oilfield self-flowing water injection pipeline switch valve, which comprises a valve shell, wherein the top of the outer side of the valve shell is fixedly connected with a water outlet pipeline, a limit baffle, a conical water control part and a cylindrical water control part are arranged in the water outlet pipeline, the bottom of the cylindrical water control part is fixedly connected with a threaded rod, and the bottom end of the threaded rod penetrates through the valve shell and is in threaded connection with the valve shell. This oil field water injection pipeline ooff valve that flows automatically controls the lower cylinder accuse water spare up-and-down motion of volume and accomplishes the on-off control of water, reduces the pressure that cylinder accuse water spare received simultaneously, and the grit hardly stops at the inside vertical part from top to bottom of outlet pipe way, avoids the wearing and tearing of aquatic grit that cylinder accuse water spare received, guarantees the life of cylinder accuse water spare. The force of water pushing the cylindrical water control part can make the cylindrical water control part move towards the inside of the water outlet pipeline to avoid leakage, but the valve flow channel can be blocked after long-time use, so that the valve flow channel is blocked, the flow rate is attenuated, and the sealing surface is eroded by high-speed fluid which is wrapped by sand and stone, so that the abrasion is increased, and the leakage is caused. Disclosure of utility model In order to make up the defects, the utility model provides an oilfield self-flow water injection pipeline switching valve, which aims to solve the problems that a valve runner is blocked after long-time use in the prior art, so that the valve is blocked or the flow is attenuated, a sealing surface is flushed by high-speed fluid wrapped with sand and stone, the abrasion is aggravated, and leakage is caused. In order to achieve the purpose, the oil field self-flowing water injection pipeline switching valve adopts the following technical scheme that the oil field self-flowing water injection pipeline switching valve comprises a valve seat, a valve body is fixedly connected to the middle of the top wall of the valve seat, a filtering mechanism is arranged in the valve seat and used for filtering impurities, a quick-dismantling mechanism is arranged in the valve body and used for quickly maintaining the valve, the filtering mechanism comprises round grooves, two round grooves are formed in the left side and the right side of the inner wall of the valve seat, springs are arranged in the left side and the right side of the inner wall of the round grooves, a first sealing gasket is arranged at the tail end of each spring, a filter screen is arranged in the round grooves, and a fixing assembly is arranged at the top of each valve seat. According to the technical scheme, the filtering mechanism is used for filtering impurities, the quick-dismantling mechanism is used for rapidly maintaining the valve, the spring pushes the sealing gasket to cling to two sides of the filter screen, unfiltered water flow is prevented from bypassing, meanwhile, water flow impact is buffered, and the filter screen is used for intercepting rust impurities. As a further description of the above technical solution: The fixed subassembly includes the fixed block, a plurality of equal fixed block fixed connection is on the roof left and right sides of disk seat, two the roof of fixed block keeps away from the equal rotation in one side mutually and is connected with the connecting block, draw-in groove one has all been seted up to the roof front and back side of filter screen, draw-in groove one's inside is provided with the bolt. Through the technical scheme, the connecting block on the fixed block is rotated, and the bolt is inserted into the clamping groove I on the filter screen. As a further description of the above technical solution: The quick-dismantling mechanism comprises a thread groove, the thread groove is formed in the top wall of the valve body, a clamping groove II is formed in the middle lower portion of the inner wall of the thread groove, a sealing gasket II is arranged on the inner wall of the clamping groove II, a thread column is connected with the inner wall of the thread groo