CN216519861U

CN216519861U - Electric valve for oil exploitation conveying pipeline

Info

Publication number: CN216519861U
Application number: CN202123122890.8U
Authority: CN
Inventors: 宋宣; 宋文俊
Original assignee: Jiangsu Xinghaoyuan Machinery Co ltd
Current assignee: Jiangsu Xinghaoyuan Machinery Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-05-13
Anticipated expiration: 2031-12-13

Abstract

The utility model relates to an electric valve for an oil exploitation conveying pipeline, which comprises a valve body, wherein a valve rod is arranged on the valve body, a sealing cover is arranged on the outer side of the valve rod, a transparent cover is arranged at the top of the sealing cover, a sealing press ring is arranged below the sealing cover, the inner side surface and the outer side surface of the top of the sealing press ring are obliquely arranged, sealing rings are arranged at the bottoms of the valve body and the sealing cover, connecting flanges are arranged at two ends of the valve body, two protective covers are arranged on the outer sides of the connecting flanges, a transparent plate is arranged at one end of each protective cover, sufficient pressure is applied between the sealing rings and the sealing press ring, an opening at the bottom of the sealing cover can be completely sealed, the leakage condition of the valve body can be more conveniently checked through the transparent cover, the connecting flanges can be prevented from rusting due to contact with rainwater through the protective covers and the transparent plates, and after leakage at the connecting flanges, the medium in the pipeline can be prevented from polluting the environment.

Description

Electric valve for oil exploitation conveying pipeline

Technical Field

The utility model relates to the technical field of electric valves, in particular to an electric valve for an oil exploitation conveying pipeline.

Background

The valve is a mechanical device for controlling the flow, flow direction, pressure, temperature and the like of flowing fluid media, the valve is a basic component in a pipeline system, in the process of oil exploitation, pipelines for conveying various kinds of oil or other media need to use various valves, in order to improve efficiency, some of the valves used on the pipelines are electric valves so as to be convenient for remote control, application number CN201920709016.8 is an erosion-resistant electric valve, a standby battery and an external power line are arranged, a power line is used for supplying power at ordinary times, the power line has problems, the standby battery can be used for supplying power when the power line cannot supply power, the practicability of the valve is improved, the influence of erosion of a sealing surface of a stop plate by water flow can be reduced by arranging a corrosion-resistant and aging-resistant sealing gasket, but the valve has no protective structure, and after the valve leaks, the oil in the pipelines can pollute the environment, the post-treatment is troublesome and, in case of leakage, if the leaked medium is water and is only slightly leaked, it is difficult to observe, and only the leaked medium reaches a certain amount, which results in that the personnel in the inspection cannot timely detect the leakage.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides an electric valve for an oil exploitation conveying pipeline.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an electric valve for oil development pipeline, includes the valve body, be provided with the valve rod on the valve body, be provided with electronic component on the valve rod, the outside of valve rod is provided with the sealed cowling, the sealed cowling top is provided with the translucent cover, the below of sealed cowling is provided with sealed clamping ring, the inside and outside both sides surface at sealed clamping ring top is the slope setting, be provided with drive assembly on the sealed clamping ring, valve body and sealed cowling bottom all are provided with the sealing ring, two the sealing ring corresponds the setting each other, and corresponds the setting with sealed clamping ring, the valve body both ends are provided with flange, flange's the outside is provided with two safety covers, one of them safety cover and valve body can dismantle the connection, and with the other the connection can be dismantled to the safety cover, safety cover one end is provided with the transparent plate.

Preferably, all be provided with first sealed the pad between sealed cowling and the valve body and on two sealing rings, first sealed pad and the corresponding setting of sealed clamping ring on the sealing ring. The first sealing gasket can increase the sealing performance of the sealing cover.

In further preferred, drive assembly includes a driving motor, two drive gears and a drive tube, driving tube and valve body pass through the bearing and rotate the connection, be provided with spacing on the valve body, sealed clamping ring inboard corresponds the setting with spacing, a driving motor's motor shaft and drive tube all are connected with one of them drive gear, the setting of drive tube top is in the outside of sealed clamping ring, and with sealed clamping ring threaded connection. The sealing press ring can be remotely controlled to ascend and descend through the driving assembly, and the sealing press ring is prevented from influencing the rotation of the valve rod.

In a further preferred mode, the electric assembly comprises a support, a protection box, two transmission gears and a second driving motor, the protection box is connected with the support, the first driving motor is arranged in the protection box, the support is arranged on the valve body, the protection box is arranged on the support, the top end of the valve rod penetrates through the protection box and is connected with one of the transmission gears, the other transmission gear is connected with a motor shaft of the second driving motor, and the two transmission gears are meshed. The rotation of the valve rod can be remotely controlled through the electric assembly, and people do not need to control the valve on site.

In further preferred, safety cover and transparent plate all include two parts, two parts the safety cover passes through bolted connection, the one end that the safety cover is connected with the transparent plate is provided with the spread groove, be provided with the sealed pad of second in the spread groove, two parts all be provided with the sealed pad of third between the safety cover, between the two parts transparent plate and between safety cover and the valve body. A safety cover or transparent plate divide into two parts, is convenient for install on the valve body, and the third is sealed to seal up then can seal up the gap between two parts safety cover or the transparent plate, and the gap between transparent plate and the safety cover can be sealed up to the second sealed pad in spread groove and the spread groove, avoids the rainwater infiltration, perhaps takes place to leak.

In a further preferred mode, the end, connected with the transparent plate, of the protective cover is provided with connecting blocks, and the connecting blocks are connected through bolts. Through connecting block and bolted connection safety cover, it can be very convenient when connecting and dismantling, the distance between the connecting block of difference is enough people to observe the transparent plate moreover.

(III) advantageous effects

Compared with the prior art, the utility model provides an electric valve for an oil exploitation conveying pipeline, which has the following beneficial effects:

firstly, a sealing cover is fixed on a valve rod, a transparent cover is adhered to the middle of the sealing cover, the bottom of the sealing cover is sealed by a sealing pressing block and two sealing rings, the sealing pressing block is only attached to the two sealing rings through a driving assembly, a good sealing effect can be achieved, the inclined side surface of the top of the sealing pressing block enlarges the sealing surface between the sealing pressing block and the sealing rings, leakage between the sealing pressing block and the sealing rings is not easy to occur, and the transparent cover can observe leaked media, so that people can timely know that the valve body leaks, and the environment is prevented from being influenced by the leakage;

the second, the safety cover is used for protecting the pipeline both ends, behind the pipe connection with safety cover and valve body and be connected with the valve body, seal valve body and pipe connection department, can avoid the bolt of connecting valve and pipeline because the contact rainwater corrosion, in addition, two safety cover intermediate junction have a transparent plate, the transparent plate can make that people are clear see flange, in case flange leaks because the medium corrosion, can be clear see through the transparent plate, and people can rotate the safety cover, make the safety cover more.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a matching structure of a valve body, a valve rod, a driving gear, a first driving motor, a second driving motor, a transmission gear and a bracket according to the present invention;

FIG. 3 is a schematic cross-sectional view of the sealing cup and sealing collar of the present invention;

FIG. 4 is a schematic view of a portion of the protective cover of the present invention;

FIG. 5 is an enlarged view of a portion of A in FIG. 2;

FIG. 6 is an enlarged view of a portion of B in FIG. 3;

fig. 7 is an enlarged view of a portion of C in fig. 4.

In the figure: 1. a valve body; 2. a valve stem; 3. a sealing cover; 4. a transparent cover; 5. sealing the pressure ring; 6. a seal ring; 7. a connecting flange; 8. a protective cover; 9. a transparent plate; 10. a first gasket; 11. a first drive motor; 12. a drive gear; 13. a drive tube; 14. a limiting strip; 15. a support; 16. a protection box; 17. a transmission gear; 18. a second drive motor; 19. connecting grooves; 20. a second gasket; 21. a third gasket; 22. and (4) connecting the blocks.

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.

Example 1:

referring to fig. 1-7, an electric valve for oil extraction and transportation pipelines comprises a valve body 1, a valve rod 2 is arranged on the valve body 1, an electric component is arranged on the valve rod 2, a sealing cover 3 is arranged on the outer side of the valve rod 2, a transparent cover 4 is arranged on the top of the sealing cover 3, a sealing press ring 5 is arranged below the sealing cover 3, the inner side surface and the outer side surface of the top of the sealing press ring 5 are obliquely arranged, a driving component is arranged on the sealing press ring 5, sealing rings 6 are arranged at the bottom of the valve body 1 and the bottom of the sealing cover 3, the two sealing rings 6 are arranged correspondingly, and is arranged corresponding to the sealing press ring 5, two ends of the valve body 1 are provided with connecting flanges 7, the outer sides of the connecting flanges 7 are provided with two protective covers 8, one of the protective covers 8 is detachably connected with the valve body 1 and detachably connected with the other protective cover 8, and a transparent plate 9 is arranged at one end of each protective cover 8.

In this embodiment, the first sealing gasket 10 is disposed between the sealing cover 3 and the valve body 1 and on the two sealing rings 6, and the first sealing gasket 10 on the sealing ring 6 is disposed corresponding to the sealing press ring 5. Seal through first sealed 10 of packing between sealed cowling 3 and the valve body 1 to also can seal through first sealed 10 of packing between two sealing rings 6 and the sealed clamping ring 5, the first sealed 10 of packing on the sealing ring 6 can receive the pressure of sealed clamping ring 5, then warp, and then reach a fine sealed effect. The first seal 10 is preferably partially embedded in the sealing ring 6.

In this embodiment, the driving assembly includes first driving motor 11, two drive gears 12 and a driving tube 13, and driving tube 13 and valve body 1 rotate through the bearing and connect, are provided with spacing strip 14 on the valve body 1, and sealed clamping ring 5 inboard sets up with spacing strip 14 corresponds, and first driving motor 11's motor shaft and driving tube 13 all are connected with one of them drive gear 12, and driving tube 13 top sets up in the outside of sealed clamping ring 5, and with sealed clamping ring 5 threaded connection. First driving motor 11 rotates, drives the driving tube 13 through two drive gears 12 and rotates, and then drives sealed clamping ring 5 and reciprocates, makes sealed clamping ring 5 top can be tightly pushed down sealing ring 6, and then plays sealed effect.

In the embodiment, the electric assembly comprises a bracket 15, a protective box 16, two transmission gears 17 and a second driving motor 18, wherein the protective box 16 is connected with the bracket 15, the first driving motor 11 is arranged in the protective box 16, the bracket 15 is arranged on the valve body 1, the protective box 16 is arranged on the bracket 15, the top end of the valve rod 2 passes through the protective box 16 and is connected with one transmission gear 17, the other transmission gear 17 is connected with a motor shaft of the second driving motor 18, and the two transmission gears 17 are meshed. The second driving motor 18 drives the valve rod 2 to rotate through the transmission gear 17, so that the valve body 1 is opened and closed.

In this embodiment, the protection cover 8 and the transparent plate 9 both include two parts, the two parts of protection cover 8 pass through bolted connection, the one end that the protection cover 8 is connected with the transparent plate 9 is provided with the spread groove 19, is provided with the sealed 20 of second in the spread groove 19, all is provided with the sealed 21 of third between the two parts of protection cover 8, between the two parts of transparent plate 9 and between protection cover 8 and the valve body 1. The protective cover 8 is divided into two parts, when the protective cover 8 is installed, the two parts of protective covers 8 can be connected together by buckling the two parts of protective covers 8 together, the sealing between the two parts of protective covers 8 is ensured through the third sealing gasket 21, the sealing between the protective cover 8 and the valve body 1 can also be ensured, when the two protective covers 8 are connected, the transparent plate 9 is inserted into the connecting groove 19 on the other protective cover 8, and the sealing performance is kept by the second sealing gasket 20.

In the embodiment, the end of the protective cover 8 connected with the transparent plate 9 is provided with connecting blocks 22, and the connecting blocks 22 are connected through bolts. The two protective covers 8 are connected through the connecting block 22, so that the two protective covers 8 are sealed.

Example 2:

referring to fig. 1-7, in use, the valve body 1 is connected with a pipeline, the valve body 1 is connected with the pipeline through the connecting flange 7, after the connection is completed, the protective cover 8 is installed, the protective cover 8 is buckled together, after the connection is completed through the bolt, the third sealing gasket 21 ensures the sealing performance between the protective covers 8 and between the protective cover 8 and the valve body 1, the protective cover 8 and the transparent plate 9 are both preferably made of plastic materials, the weight is light, the cost is low, and the transparent plate 9 and the protective cover 8 are convenient to connect, after the protective cover 8 is fixed on the pipeline and the valve body 1, the two protective covers 8 are butted together, the connecting block 22 corresponds to the connecting block 22, the transparent plate 9 corresponds to the sealing groove, the second sealing gasket 20 ensures the sealing performance between the transparent plate 9 and the protective cover 8, and the double-layer sealing is realized, the sealing effect is better, thus the valve body 1 is installed, when the valve body 1 is used, the staff observes whether the valve body 1 leaks through the transparent plate 9 and the transparent cover 4 on the sealing cover 3, the transparent plate 9 and the transparent cover 4 can be coated with some chemical reagents so as to detect colorless and difficultly observable substances, for example, phenolphthalein is used for detecting alkaline substances, after the leakage occurs at the connecting flange 7, as the sealing is performed between the protective covers 8 and the valve body 1 through the third sealing gaskets 21, the leaked substances can be left in the protective covers 8, the pollution is avoided, after the leakage occurs on the valve rod 2, the leaked media can be temporarily stored in the sealing cover 3, the media are difficult to flow to the bottom of the sealing cover 3 through the first sealing gaskets 10, in addition, the tight contact between the sealing press ring 5 and the sealing ring 6 can also play a sealing role, and the sealing performance can be further improved by adding the first sealing gaskets 10 on the sealing ring 6, and the medium in the pipeline is prevented from polluting the environment.

Example 3:

referring to fig. 1-7, when checking whether leakage occurs, when opening or closing the valve, the first valve is started, the driving gear 12 drives the driving tube 13 to rotate, the driving tube 13 is connected with the valve body 1 through a bearing and can only rotate but cannot move up and down, the driving tube 13 drives the sealing press ring 5 to move down when rotating, because the inner side of the sealing press ring 5 is attached to the valve body 1, the valve body 1 is provided with the limit strip 14, the sealing press ring 5 can only move up and down, after the sealing press ring 5 is separated from the sealing ring 6, the second driving motor 18 is started to drive the valve rod 2 to rotate through the two transmission gears 17, the sizes of the transmission gears 17 are different, the rotating speed of the second driving motor 18 can be reduced, so that the rotating speed of the valve rod 2 cannot be too fast, the second driving motor 18 and the first driving motor 11 are preferably servo motors, and the rotating speed of the motors and the starting and stopping of the motors can be accurately controlled, after valve rod 2 rotated, made the valve open or closed, first driving motor 11 antiport drove the driving tube 13 and rotated, and then made sealing clamping ring 5 upwards remove, finally contact the first sealed pad 10 on the sealing ring 6, made first sealed pad 10 warp, reached a good sealed effect.

While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and variations may be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The electric valve for the oil exploitation conveying pipeline comprises a valve body (1), wherein a valve rod (2) is arranged on the valve body (1), an electric component is arranged on the valve rod (2), a sealing cover (3) is arranged on the outer side of the valve rod (2), a transparent cover (4) is arranged at the top of the sealing cover (3), a sealing press ring (5) is arranged below the sealing cover (3), the inner side surface and the outer side surface of the top of the sealing press ring (5) are obliquely arranged, a driving component is arranged on the sealing press ring (5), sealing rings (6) are arranged at the bottoms of the valve body (1) and the sealing cover (3), the two sealing rings (6) are arranged correspondingly to each other and are arranged correspondingly to the sealing press ring (5), connecting flanges (7) are arranged at the two ends of the valve body (1), two protective covers (8) are arranged on the outer side of the connecting flanges (7), one of them safety cover (8) and valve body (1) can be dismantled and be connected, and with the other safety cover (8) can be dismantled and be connected, safety cover (8) one end is provided with transparent plate (9).

2. The electrically operated valve for an oil extraction transportation pipe according to claim 1, characterized in that: all be provided with first sealed pad (10) between sealed cowling (3) and valve body (1) and on two sealing ring (6), first sealed pad (10) on sealing ring (6) and sealed clamping ring (5) correspond the setting.

3. The electrically operated valve for an oil extraction transportation pipe according to claim 1, characterized in that: drive assembly includes first driving motor (11), two drive gear (12) and a driving tube (13), driving tube (13) and valve body (1) are connected through the bearing rotation, be provided with spacing (14) on valve body (1), sealed clamping ring (5) inboard corresponds the setting with spacing (14), the motor shaft and the driving tube (13) of first driving motor (11) all are connected with one of them drive gear (12), driving tube (13) top sets up in the outside of sealed clamping ring (5), and with sealed clamping ring (5) threaded connection.

4. The electrically operated valve for an oil extraction transportation pipe according to claim 3, wherein: the electric component comprises a support (15), a protection box (16), two transmission gears (17) and a second driving motor (18), the protection box (16) is connected with the support (15), the first driving motor (11) is arranged in the protection box (16), the support (15) is arranged on the valve body (1), the protection box (16) is arranged on the support (15), the top end of the valve rod (2) penetrates through the protection box (16) and is connected with one of the transmission gears (17), the other one of the transmission gears (17) and the second driving motor (18) is connected with a motor shaft, and the two transmission gears (17) are meshed.

5. The electrically operated valve for an oil extraction transportation pipe according to claim 1, characterized in that: safety cover (8) and transparent plate (9) all include two parts, two parts safety cover (8) pass through bolted connection, the one end that safety cover (8) are connected with transparent plate (9) is provided with spread groove (19), be provided with the sealed pad (20) of second in spread groove (19), two parts all be provided with the sealed pad (21) of third between safety cover (8), between two parts transparent plate (9) and between safety cover (8) and valve body (1).

6. The electrically operated valve for an oil extraction transportation pipe according to claim 5, wherein: one end of the protective cover (8) connected with the transparent plate (9) is provided with a connecting block (22), and the connecting blocks (22) are connected through bolts.