Oilfield four-way valve with high sealing performance

Abstract

The utility model discloses an oil field four-way valve with strong sealing performance, and relates to the technical field of oil field four-way valves, the oil field four-way valve comprises a four-way valve main body and a base, the four-way valve main body is arranged on the middle side of the top of the base, and the connecting end of the four-way valve main body is fixedly connected with four pipelines in an annular array mode. The ends, away from the four-way valve body, of the four pipelines are movably connected with connecting pipes, sealing mechanisms are arranged outside the opposite faces of the pipelines and the connecting pipes, and T-shaped sliding grooves are formed in the left side and the right side, close to the pipelines, of the top of the base correspondingly. The connecting pipe and the pipeline are mounted, and the sealing mechanism is operated to surround and connect the joint of the pipeline and the connecting pipe, so that the outer wall of the joint of the pipeline and the connecting pipe is buckled and sealed, the sealing mechanism plays a role in protecting the pipeline and the connecting pipe, bolts are prevented from being rusted and corroded, and the service life of the pipeline is prolonged. And the use sealing performance of the four-way valve is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of oil field four-way valves, in particular to a four-way valve for oil fields with strong sealing. Background Art

[0002] Oilfield refers to the sum of oil and gas reservoirs in the same oil and gas production area under the control of a single geological structural factor. An oil and gas field may have one or more oil and gas reservoirs. The area mainly composed of oil reservoirs is called an oilfield, and the area mainly composed of gas reservoirs is called a gas field. According to the geological factors controlling the oil and gas production area, a four-way valve is a control valve with four oil ports. The oil field needs to use a four-way valve in the process of transporting oil through pipelines. The existing technology has the following problems:

[0003] The existing four-way valve cannot be protected during use, and the bolts are easily exposed to the air for a long time, which causes the bolts to rust and corrode, causing the four-way valve to leak, thereby reducing the use effect of the four-way valve. Secondly, while increasing the sealing performance of the four-way valve, it is not convenient to install and disassemble the pipeline and the connecting pipe. Utility Model Content

[0004] The utility model provides a four-way valve for oil fields with strong sealing properties, so as to solve the problems existing in the above-mentioned background technology.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0006] A four-way valve for oil fields with strong sealing, comprising a four-way valve body and a base, wherein the four-way valve body is arranged on the top middle side of the base, and the connecting end of the four-way valve body is fixedly connected to four pipes in a circular array, and the ends of the four pipes away from the four-way valve body are movably connected to connecting pipes, and sealing mechanisms are arranged on the outside of the opposite surfaces of the pipes and the connecting pipes, and T-shaped slide grooves are respectively opened on the top of the base near the left and right sides of the pipe.

[0007] A further improvement of the technical solution of the utility model is that: a flange 1 is fixedly connected to the outer wall of one end of the pipeline away from the four-way valve body, a connecting groove is provided on the side of the flange 1 close to the pipeline, a flange 2 is fixedly connected to the outer wall of one end of the connecting pipe close to the four-way valve body, and a sealing ring is fixedly connected to the side of the flange 2 close to the connecting pipe.

[0008] A further improvement of the technical solution of the utility model is that the first flange and the second flange have the same structure and size, and the outer wall of the sealing ring is embedded in the inner wall of the connecting groove.

[0009] A further improvement of the technical solution of the utility model is that the sealing mechanism comprises a connecting component 1, a connecting component 2 and a locking component, and the locking component is arranged on the upper side of the opposite surfaces of the connecting component 1 and the connecting component 2.

[0010] A further improvement of the technical solution of the utility model lies in that: the connecting component comprises a protective shell, a semicircular groove which penetrates front and back is respectively provided on one side of the protective shell close to the pipeline and the connecting pipe, a sealing gasket is fixedly connected to the inner walls of the two semicircular grooves, a U-shaped iron block is respectively fixedly connected to the upper and lower sides of the protective shell close to the sealing gasket, the upper and lower U-shaped iron blocks are mirror-imaged, a positioning plate is fixedly connected to the side of the top of the protective shell close to the U-shaped iron block, a connecting hole which penetrates left and right is provided in the middle of the positioning plate, and a T-shaped slider is fixedly connected to the side of the bottom of the protective shell away from the U-shaped iron block.

[0011] A further improvement of the technical solution of the utility model lies in that: the second connecting component comprises a second protective shell, and two semicircular grooves which penetrate front and back are respectively provided on one side of the second protective shell close to the pipeline and the connecting pipe, and two sealing gaskets are fixedly connected to the inner walls of the two semicircular grooves, and U-shaped grooves are respectively provided on the upper and lower sides of the second protective shell close to the second sealing gasket, and the upper and lower U-shaped grooves are mirror-imaged, and the inner walls of the U-shaped grooves are fixedly connected to U-shaped magnetic blocks, and a positioning plate is fixedly connected to one side of the top of the second protective shell close to the U-shaped groove, and two connecting holes which penetrate left and right are provided in the middle of the second positioning plate, and a T-shaped slider is fixedly connected to one side of the bottom of the second protective shell away from the U-shaped groove.

[0012] A further improvement of the technical solution of the utility model is that the opposite surfaces of the sealing gasket 1 and the sealing gasket 2 are overlapped with the outer walls of the pipeline and the connecting pipe, the outer wall of the U-shaped iron block is embedded in the interior of the U-shaped groove and is magnetically connected to the outer wall of the U-shaped magnetic block, and the outer walls of the T-shaped slider 1 and the T-shaped slider 2 are slidably connected to the inner wall of the T-shaped slide groove.

[0013] A further improvement of the technical solution of the utility model is that the locking assembly includes a U-shaped card plate, a locking rod and a nut, and the middle part of the U-shaped card plate in the vertical direction is respectively provided with connecting holes that pass through the left and right sides, and the outer wall of one side of the locking rod is provided with a thread, and the outer wall of the locking rod passes through the interior of the connecting hole, connecting hole one and connecting hole two, and the inner wall of the nut is threadedly connected to the outer wall of the thread.

[0014] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0015] 1. The utility model provides a four-way valve for oil fields with strong sealing. The four-way valve body, base, pipeline, connecting pipe and sealing mechanism are matched. The connecting pipe is installed with the pipeline and the sealing mechanism is operated to surround and connect the connection between the pipeline and the connecting pipe, so that the outer wall of the connection between the pipeline and the connecting pipe is buckled and sealed, so that the sealing mechanism plays a protective role on the pipeline and the connecting pipe to prevent the bolts from rusting and corrosion. The problem that the existing four-way valve cannot be protected during use, the bolts are easily exposed to the air for a long time, resulting in rusting and corrosion of the bolts, causing the four-way valve to leak, and reducing the use effect of the four-way valve is achieved. The sealing performance of the four-way valve is enhanced and the use effect of the four-way valve is improved.

[0016] 2. The utility model provides a four-way valve for oil fields with strong sealing. The sealing mechanism and the T-shaped slide groove are matched. When the pipeline and the connecting pipe are disassembled, the sealing mechanism is operated to move respectively along the T-shaped slide groove, so that the sealing mechanism is disassembled, thereby exposing the connection between the pipeline and the connecting pipe, which is convenient for disassembly and assembly. The problem of increasing the sealing performance of the four-way valve while being inconvenient for installation and disassembly between the pipeline and the connecting pipe is solved, and the beneficial effect of facilitating the operation of the sealing mechanism and facilitating the disassembly and assembly between the pipeline and the connecting pipe is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of a four-way valve for oil fields with strong sealing properties according to the utility model;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the sealing mechanism of the utility model;

[0019] Figure 3 It is a three-dimensional structural schematic diagram of a connecting component of the utility model;

[0020] Figure 4 This is a schematic diagram of the three-dimensional structure of the connecting component of the utility model

[0021] Figure 5 It is a schematic diagram of the three-dimensional structure of the locking assembly of the utility model.

[0022] In the figure: 1, four-way valve body; 2, base; 3, pipeline; 31, flange 1; 310, connecting groove; 4, connecting pipe; 41, flange 2; 42, sealing ring; 5, sealing mechanism; 51, connecting component 1; 510, protective shell 1; 5101, semicircular groove 1; 511, sealing gasket 1; 512, U-shaped iron block; 513, positioning plate 1; 514, connecting hole 1; 515, T-shaped slider 1; 5 2. Connecting component 2; 520. Protective shell 2; 5201. Semicircular groove 2; 5202. U-shaped groove; 521. Sealing gasket 2; 522. U-shaped magnetic block; 523. Positioning plate 2; 524. Connecting hole 2; 525. T-shaped slider 2; 53. Locking component; 530. U-shaped card plate; 5301. Connecting hole; 531. Locking rod; 5310. Thread; 532. Nut; 6. T-shaped slide groove. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods:

[0024] like Figure 1 As shown, the utility model provides a four-way valve for oil fields with strong sealing, including a four-way valve body 1 and a base 2, the four-way valve body 1 is arranged on the top middle side of the base 2, the connecting end of the four-way valve body 1 is fixedly connected with four pipes 3 in a circular array, the ends of the four pipes 3 away from the four-way valve body 1 are movably connected with connecting pipes 4, the opposite surfaces of the pipes 3 and the connecting pipes 4 are provided with sealing mechanisms 5, and the top of the base 2 is close to the left and right sides of the pipes 3 respectively. T-shaped slide grooves 6 are provided;

[0025] A base 2, a pipeline 3, a connecting pipe 4, a sealing mechanism 5 and a T-shaped slide groove 6 are provided. By connecting the pipeline 3 and the connecting pipe 4, the sealing mechanism 5 is operated to seal and protect the connection between the pipeline 3 and the connecting pipe 4, thereby increasing the sealing performance of the four-way valve body 1 when in use. At the same time, through the T-shaped slide groove 6, the sealing mechanism 5 can be directionally displaced after being split, thereby facilitating the disassembly between the pipeline 3 and the connecting pipe 4.

[0026] like Figure 2As shown, the utility model provides a technical solution for a four-way valve for oil fields with strong sealing: a flange 31 is fixedly connected to the outer wall of one end of the pipeline 3 away from the four-way valve body 1, a connecting groove 310 is provided on the side of the flange 31 close to the pipeline 3, a flange 41 is fixedly connected to the outer wall of one end of the connecting pipe 4 close to the four-way valve body 1, a sealing ring 42 is fixedly connected to the side of the flange 41 close to the connecting pipe 4, the flange 31 and the flange 41 have the same structure and size, the outer wall of the sealing ring 42 is embedded with the inner wall of the connecting groove 310, and the sealing of the connection between the pipeline 3 and the connecting pipe 4 is increased by squeezing and fitting the flange 41 into the connecting groove 310, and the sealing mechanism 5 includes a connecting component 1 51, a connecting component 2 52 and a locking component 53, and the locking component 53 is arranged on the upper side of the opposite surfaces of the connecting component 1 51 and the connecting component 2 52.

[0027] like Figure 3-4As shown, the utility model provides a technical solution for a four-way valve for oil fields with strong sealing: a connecting component 51 includes a protective shell 510, and a semicircular groove 5101 that passes through the front and rear is respectively opened on one side of the protective shell 510 close to the pipeline 3 and the connecting pipe 4, and the inner walls of the two semicircular grooves 5101 are fixedly connected with a sealing gasket 511, and the upper and lower sides of the protective shell 510 close to the sealing gasket 511 are respectively fixedly connected with U-shaped iron blocks 512, and the upper and lower U-shaped iron blocks 512 are mirror-imaged, and a positioning plate 513 is fixedly connected to the top of the protective shell 510 close to the U-shaped iron block 512. The positioning plate 513 is fixedly connected to the positioning plate 513. A connecting hole 514 is provided in the middle of the protective shell 510, which is connected to the left and right sides. A T-shaped slider 515 is fixedly connected to the side of the bottom of the protective shell 510 away from the U-shaped iron block 512. The connecting component 52 includes a protective shell 520. The protective shell 520 is provided with a semicircular groove 5201 that passes through the front and back sides near the pipe 3 and the connecting pipe 4. The inner walls of the two semicircular grooves 5201 are fixedly connected with a sealing gasket 521. The protective shell 520 is provided with U-shaped grooves 5202 on the upper and lower sides near the sealing gasket 521. The upper and lower U-shaped grooves 5202 are mirror images. The inner walls of the U-shaped grooves 5202 are fixedly connected with U-shaped The magnetic block 522, the top of the second protective shell 520 is fixedly connected to a positioning plate 2 523 on one side close to the U-shaped groove 5202, the middle of the positioning plate 2 523 is provided with a connecting hole 2 524 that passes through the left and right sides, and the bottom of the second protective shell 520 is fixedly connected to a T-shaped slider 2 525 on one side away from the U-shaped groove 5202, and the opposite surfaces of the sealing gasket 1 511 and the sealing gasket 2 521 are overlapped with the outer walls of the pipe 3 and the connecting pipe 4, by arranging the connecting assembly 1 51 and the connecting assembly 2 52 outside the connecting portion of the pipe 3 and the connecting pipe 4, and respectively arranging the sealing gasket 1 511 and the sealing gasket 2 521 on the outer wall of the connecting portion of the pipe 3 and the connecting pipe 4 The wall fits together to increase the sealing performance of the connection between the pipeline 3 and the connecting pipe 4. The outer wall of the U-shaped iron block 512 is embedded in the inside of the U-shaped groove 5202 and is magnetically connected to the outer wall of the U-shaped magnetic block 522. The U-shaped iron block 512 and the U-shaped magnetic block 522 are magnetically connected to each other, which has the effect of fixing the connecting component 1 51 and the connecting component 2 52. The outer walls of the T-shaped slider 1 515 and the T-shaped slider 2 525 are slidably connected to the inner wall of the T-shaped slide groove 6. The T-shaped slider 1 515 and the U-shaped iron block 512 slide along the T-shaped slide groove 6 respectively, driving the connecting component 1 51 and the connecting component 2 52 to expand outward or move inward.

[0028] like Figure 5As shown, the utility model provides a technical solution for a four-way valve for oil fields with strong sealing: the locking component 53 includes a U-shaped card plate 530, a locking rod 531 and a nut 532. The middle part of the U-shaped card plate 530 in the vertical direction is respectively provided with a connecting hole 5301 that passes through the left and right. The outer wall of one side of the locking rod 531 is provided with a thread 5310. The outer wall of the locking rod 531 passes through the connecting hole 5301, the connecting hole 1 514 and the connecting hole 2 524. The inner wall of the nut 532 is threadedly connected to the outer wall of the thread 5310. By inserting the locking rod 531 along the connecting hole 5301, the connecting hole 1 514 and the connecting hole 2 524, and using the nut 532 to screw on the locking rod 531, the effect of locking the connecting component 1 51 and the connecting component 2 52 is achieved.

[0029] The following is a detailed description of the working principle of this oil field four-way valve with strong sealing.

[0030] like Figure 1-5 As shown, when in use, first, the connecting pipe 4 is connected to the flange 1 31 of the connecting end of the pipeline 3 through the flange 2 41, so that the sealing ring 42 is squeezed and fitted into the inside of the connecting groove 310 to increase the sealing of the connection between the pipeline 3 and the connecting pipe 4, and then the flange 2 41 and the flange 1 31 are positioned and fixed by using fixing bolts, and then the T-shaped slider 1 515 at the bottom of the connecting component 1 51 and the T-shaped slider 2 525 at the bottom of the connecting component 2 52 are respectively slid in the T-shaped slide groove 6, so that the connecting component 1 51 and the connecting component 2 52 are moved closer to each other, so that the semicircular groove 1 5101 and the semicircular groove 2 5201 are respectively engaged with the outer walls of the pipeline 3 and the connecting pipe 4, and the upper and lower U-shaped iron blocks 512 are engaged with the inner wall of the U-shaped groove 5202 and connected with the U-shaped magnetic block 5 The outer surface of 22 is magnetically fixed, so that the sealing gasket 1 511 and the sealing gasket 2 521 contact and fit tightly to the outer wall of the pipeline 3 and the connecting pipe 4, and then the inner part of the U-shaped clamping plate 530 is inserted along the outer part of the positioning plate 1 513 and the positioning plate 2 523, so that the locking rod 531 passes through the connecting hole 1 514 and the connecting hole 2 524 in sequence along the connecting hole 5301 on the U-shaped clamping plate 530, and then the nut 532 is screwed and fixed with the thread 5310 on the locking rod 531, so that the connecting component 1 51 and the connecting component 2 52 are combined at the connection between the pipeline 3 and the connecting pipe 4, while protecting the connection between the pipeline 3 and the connecting pipe 4, enhancing the sealing performance of the four-way valve, and preventing the bolts on the pipeline 3 and the connecting pipe 4 from rusting and corrosion and causing leakage.

[0031] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A four-way valve for oil fields with strong sealing, comprising a four-way valve body (1) and a base (2), characterized in that: The four-way valve body (1) is arranged at the middle side of the top of the base (2); the connecting end of the four-way valve body (1) is fixedly connected to four pipes (3) in a circular array; one end of each of the four pipes (3) away from the four-way valve body (1) is movably connected to a connecting pipe (4); a sealing mechanism (5) is arranged on the outside of the opposite surfaces of the pipe (3) and the connecting pipe (4); and T-shaped sliding grooves (6) are respectively provided on the top of the base (2) near the left and right sides of the pipe (3).

2. A four-way valve for oil fields with strong sealing properties according to claim 1, characterized in that: The outer wall of one end of the pipeline (3) away from the four-way valve body (1) is fixedly connected to a flange 1 (31), and a connecting groove (310) is provided on a side of the flange 1 (31) close to the pipeline (3). The outer wall of one end of the connecting pipe (4) close to the four-way valve body (1) is fixedly connected to a flange 2 (41), and a sealing ring (42) is fixedly connected to a side of the flange 2 (41) close to the connecting pipe (4).

3. A four-way valve for oil fields with strong sealing properties according to claim 2, characterized in that: The flange 1 (31) and the flange 2 (41) have the same structure and size, and the outer wall of the sealing ring (42) is embedded in the inner wall of the connecting groove (310).

4. The four-way valve for oil fields with strong sealing properties according to claim 1, characterized in that: The sealing mechanism (5) comprises a connecting component 1 (51), a connecting component 2 (52) and a locking component (53), wherein the locking component (53) is arranged on the upper side of the opposite surfaces of the connecting component 1 (51) and the connecting component 2 (52).

5. The four-way valve for oil fields with strong sealing according to claim 4, characterized in that: The connecting component (51) comprises a protective shell (510), wherein a semicircular groove (5101) extending from front to back is respectively provided on one side of the protective shell (510) close to the pipeline (3) and the connecting pipe (4), and a sealing gasket (511) is fixedly connected to the inner walls of the two semicircular grooves (5101); a U-shaped iron block (512) is respectively fixedly connected to the upper and lower sides of the protective shell (510) close to the sealing gasket (511), and the upper and lower U-shaped iron blocks (512) are arranged in a mirror image; a positioning plate (513) is fixedly connected to the top of the protective shell (510) close to the U-shaped iron block (512), and a connecting hole (514) extending from left to right is provided in the middle of the positioning plate (513); and a T-shaped sliding block (515) is fixedly connected to the bottom of the protective shell (510) away from the U-shaped iron block (512).

6. The four-way valve for oil fields with strong sealing according to claim 4, characterized in that: The second connecting component (52) comprises a second protective shell (520), and a second semicircular groove (5201) which passes through the second protective shell (520) is respectively provided on one side close to the pipeline (3) and the connecting pipe (4), and a second sealing gasket (521) is fixedly connected to the inner wall of the two second semicircular grooves (5201), and a U-shaped groove (5202) is respectively provided on the upper and lower sides of the second protective shell (520) close to the second sealing gasket (521), and the upper and lower two U-shaped grooves (5202) are respectively provided. 202) is a mirror image arrangement, the inner wall of the U-shaped groove (5202) is fixedly connected with a U-shaped magnetic block (522), the top of the second protective shell (520) close to the U-shaped groove (5202) is fixedly connected with a positioning plate (523), the middle of the second positioning plate (523) is provided with a connecting hole (524) that passes through the left and right, and the bottom of the second protective shell (520) away from the U-shaped groove (5202) is fixedly connected with a T-shaped slider (525).

7. The four-way valve for oil fields with strong sealing properties according to claim 5, characterized in that: The opposite surfaces of the sealing gasket 1 (511) and the sealing gasket 2 (521) are overlapped with the outer walls of the pipeline (3) and the connecting pipe (4); the outer wall of the U-shaped iron block (512) is embedded in the interior of the U-shaped groove (5202) and is magnetically connected to the outer wall of the U-shaped magnetic block (522); and the outer walls of the T-shaped slider 1 (515) and the T-shaped slider 2 (525) are slidably connected to the inner wall of the T-shaped slide groove (6).

8. The four-way valve for oil fields with strong sealing properties according to claim 4, characterized in that: The locking assembly (53) comprises a U-shaped card plate (530), a locking rod (531) and a nut (532); the U-shaped card plate (530) is provided with a connecting hole (5301) extending through the left and right sides in the middle in the vertical direction; a thread (5310) is provided on an outer wall of one side of the locking rod (531); the outer wall of the locking rod (531) passes through the interior of the connecting hole (5301), the first connecting hole (514) and the second connecting hole (524); the inner wall of the nut (532) is threadedly connected to the outer wall of the thread (5310).

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