CN211423422U

CN211423422U - Oil control valve and petroleum pipeline

Info

Publication number: CN211423422U
Application number: CN201921721416.7U
Authority: CN
Inventors: 赵奇峰; 刘永睿; 仇素辉; 韩耀明; 闫旭; 刘丽; 刘崇; 郑磊; 石刚; 王辉; 王宇; 张艳; 颜鲁鹤; 李春林; 田沛; 王艳军
Original assignee: Petrochina Co Ltd
Current assignee: Petrochina Co Ltd
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-09-04
Anticipated expiration: 2029-10-15

Abstract

The utility model relates to an accuse fuel tap and petroleum pipeline. This accuse oil valve includes the casing, wherein: the shell is internally provided with a flow passage which runs through two ends of the shell, the top and the bottom of the flow passage are respectively provided with a first flow limiting plate and a second flow limiting plate which can move up and down relatively and can be opened and closed, the arrangement direction of the first flow limiting plate and the second flow limiting plate is vertical to the extension direction of the flow passage, the shell is internally provided with a main transmission assembly which is respectively connected with the first flow limiting plate and the second flow limiting plate, the shell is provided with an operation assembly which drives the first flow limiting plate and the second flow limiting plate to move up and down relatively, the upper part of the operation assembly is positioned outside the shell, and the lower part of the operation assembly extends into the shell and is respectively connected with the first flow limiting plate and the second flow limiting plate through the. The utility model provides a be applied to the technical problem that the accuse fuel tap structure on the petroleum pipeline is complicated, governing speed is slow, inefficiency.

Description

Oil control valve and petroleum pipeline

Technical Field

The utility model relates to a petroleum pipeline's control field especially relates to an accuse fuel tap and petroleum pipeline.

Background

The valve is a pipeline accessory used for opening and closing a pipeline, controlling the flow direction, adjusting and controlling the medium conveying quantity, and can be used for controlling the flow of various fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like in the pipeline. In addition, the valve is also a control component in the fluid conveying system, and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting, overflowing and relieving pressure and the like. The valves may be classified into shut-off valves, check valves, regulating valves, etc. according to their functions.

At the present stage, although the oil control valves applied to the oil pipeline are various in types, most of the oil control valves have the defects of complex structure, inconvenience in maintenance and high use cost, and when the oil control valves are used for adjusting the flow, the adjusting speed is low, the efficiency is low, the use requirements of workers are difficult to meet, the oil transportation efficiency of the oil pipeline can be reduced, and the normal operation of oil reservoir exploitation is influenced.

Aiming at the problems of complex structure, slow regulation speed and low efficiency of an oil control valve applied to an oil pipeline in the related art, no effective solution is provided at present.

Therefore, the inventor provides the oil control valve and the petroleum pipeline by virtue of experience and practice of related industries for many years so as to overcome the defects in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an accuse fuel tap and petroleum pipeline, control the break-make of accuse fuel tap through mutually supporting of two restrictor plates, improve the governing speed and the efficiency of accuse fuel tap greatly, have simple structure moreover, control convenient, advantage with low costs.

The purpose of the utility model can be realized by adopting the following technical scheme:

the utility model provides a accuse fuel tap, accuse fuel tap include the casing, wherein:

the flow channel structure comprises a shell, and is characterized in that a flow channel penetrating through two ends of the shell is arranged in the shell, a first flow limiting plate and a second flow limiting plate which can move up and down and can be opened and closed are respectively arranged at the top and the bottom of the flow channel, the arrangement direction of the first flow limiting plate and the second flow limiting plate is perpendicular to the extension direction of the flow channel, a main transmission assembly which is respectively connected with the first flow limiting plate and the second flow limiting plate is arranged in the shell, an operation assembly which drives the first flow limiting plate and the second flow limiting plate to move up and down is arranged on the shell, the upper portion of the operation assembly is located outside the shell, and the lower portion of the operation assembly extends into the shell and is respectively connected with the first flow limiting plate and the second flow limiting plate through the main transmission assembly.

The utility model discloses an in a preferred embodiment, set up respectively on the top inner wall of runner and the bottom inner wall with the first holding chamber and the second holding chamber of runner intercommunication, first holding chamber is located directly over the second holding chamber, first current-limiting plate with second current-limiting plate sets up with reciprocating respectively first holding chamber with second holding intracavity.

The present invention provides a better embodiment, wherein at least one boss is disposed at the bottom of the first current limiting plate, and at least one groove matched with the boss is disposed at the top of the second current limiting plate.

In a preferred embodiment of the present invention, the boss is an edge of the bottom edge of the first restrictor plate, the groove is an edge of the top edge of the second restrictor plate, and the boss and the cross section of the groove are both semicircular.

In a preferred embodiment of the present invention, the main transmission assembly includes a first transmission assembly, a second transmission assembly, a first bidirectional screw connected to the first transmission assembly, and a second bidirectional screw connected to the second transmission assembly, the first transmission assembly and the second transmission assembly are respectively connected to the control assembly, a third accommodating chamber, a fourth accommodating chamber, and a fifth accommodating chamber are disposed in the housing, and the third accommodating chamber is disposed above the first accommodating chamber and isolated from the first accommodating chamber; the fourth accommodating cavity and the fifth accommodating cavity are respectively arranged on two opposite side walls of the flow channel and are respectively communicated with the flow channel, the top of the fourth accommodating cavity and the top of the fifth accommodating cavity are respectively communicated with the bottom of the third accommodating cavity, the first transmission assembly and the second transmission assembly are arranged in the third accommodating cavity, the first bidirectional screw and the second bidirectional screw are respectively arranged in the fourth accommodating cavity and the fifth accommodating cavity in the vertical direction, the upper part and the lower part of the first bidirectional screw are respectively sleeved with a first adjusting block and a second adjusting block, the outer wall of the first adjusting block and the outer wall of the second adjusting block are respectively connected with the inner wall of the fourth accommodating cavity in an abutting mode, the upper part and the lower part of the second bidirectional screw are respectively sleeved with a third adjusting block and a fourth adjusting block, and the outer wall of the third adjusting block and the outer wall of the fourth adjusting block are respectively communicated with the inner wall of the fifth accommodating cavity The two opposite side edges of the first flow limiting plate are connected with the first adjusting block and the third adjusting block respectively, and the two opposite side edges of the second flow limiting plate are connected with the second adjusting block and the fourth adjusting block respectively.

The utility model discloses an in a preferred embodiment, first bidirectional screw with the upper portion of second bidirectional screw is the positive helix, first bidirectional screw with the lower part of second bidirectional screw is the negative helix, first regulating block the second regulating block the third regulating block with threaded through hole has all been seted up on the fourth regulating block, first regulating block with the screw-thread fit on first bidirectional screw upper portion is connected, the second regulating block with the screw-thread fit of first bidirectional screw lower part is connected, the third regulating block with the screw-thread fit on second bidirectional screw upper portion is connected, the fourth regulating block with the screw-thread fit of second bidirectional screw lower part is connected.

The utility model discloses an in a preferred embodiment, first drive assembly includes first drive wheel, second drive wheel, first drive belt and first drive rod, the top of first drive rod can the pivoted be connected the top in third holding chamber, the bottom of first drive rod stretch into extremely fourth holding intracavity and with the top fixed connection of first bidirectional screw, the fixed cover of first drive wheel is established control the lower part of subassembly, the fixed cover of second drive wheel is established the upper portion of first drive rod, first drive belt cover is established first drive wheel with the outside of second drive wheel.

The utility model discloses an in a preferred embodiment, the second drive subassembly includes third drive wheel, fourth drive wheel, second drive belt and second transfer line, the top of second transfer line can the pivoted be connected the top in third holding chamber, the bottom of second transfer line stretch into extremely fifth holding intracavity and with the top fixed connection of the bidirectional screw rod of second, the fixed cover of third drive wheel is established the lower part of controlling the subassembly, the fixed cover of fourth drive wheel is established the upper portion of second transfer line, the second drive belt cover is established the third drive wheel with the outside of fourth drive wheel.

The utility model discloses an in a preferred embodiment, control the dwang that the subassembly includes twist grip and set up along vertical direction, the top of casing seted up with the mounting hole of third holding chamber intercommunication, the twist grip is fixed to be set up the top of dwang, the bottom of dwang is passed the mounting hole can the pivoted be connected the bottom in third holding chamber, twist grip passes through the dwang respectively with first drive assembly with second drive assembly connects.

The utility model provides a petroleum pipeline, petroleum pipeline includes defeated oil pipe way and foretell accuse fuel tap, accuse fuel tap connects defeated oil pipe way is last.

The utility model discloses an in a preferred embodiment, the both ends of accuse fuel tap are provided with the ring flange respectively, accuse fuel tap passes through the ring flange with defeated oil pipe connects.

From top to bottom, the utility model discloses accuse fuel tap and petroleum pipeline's characteristics and advantage are: the first flow limiting plate and the second flow limiting plate are arranged in the shell of the oil control valve, the upper part of the control assembly is positioned outside the shell, the lower part of the control assembly extends into the shell and is respectively connected with the first flow limiting plate and the second flow limiting plate through the main transmission assembly, when the on-off of the oil control valve is controlled, a worker can drive the first flow limiting plate and the second flow limiting plate to synchronously move in the shell through the main transmission assembly only by rotating the upper part of the control assembly, and the moving directions of the first flow limiting plate and the second flow limiting plate are opposite, so that the plugging and the communication of a flow passage in the shell are controlled through the cooperation of the first flow limiting plate and the second flow limiting plate, the structure is simple, the control is convenient, the cost is low, in addition, the synchronous action of the first flow limiting plate and the second flow limiting plate can be controlled only by independently controlling the control assembly, compared with the oil control valve with only one flow limiting plate, the utility model discloses well accuse fuel tap has faster governing speed and higher regulation and control efficiency, saves the staff to the regulation and control time of accuse fuel tap, reduces intensity of labour, can effectual improvement work efficiency, is suitable for and uses widely in various fluid transport fields.

Drawings

The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:

FIG. 1: is the front cross-sectional view of the oil control valve of the utility model.

FIG. 2: do the right side view cross-section of the oil control valve of the utility model.

FIG. 3: which is a partial enlargement of the position a in fig. 1.

The utility model provides a reference numeral:

1. a housing; 101. A flange plate;

102. a flow channel; 103. A first accommodating cavity;

104. a second accommodating cavity; 105. A third accommodating cavity;

106. a fourth accommodating cavity; 107. A fifth accommodating cavity;

108. mounting holes; 2. A first restrictor plate;

201. a boss; 3. A second restrictor plate;

301. a groove; 4. Rotating the handle;

5. rotating the rod; 6. A first drive pulley;

7. a second transmission wheel; 8. A first drive belt;

9. a third transmission wheel; 10. A fourth transmission wheel;

11. a second belt; 12. A first bidirectional screw;

13. a second bidirectional screw; 14. A first regulating block;

15. a second regulating block; 16. A third regulating block;

17. a fourth regulating block; 18. A first drive lever;

19. a second transmission rod; 20. And a control assembly.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.

Example one

As shown in fig. 1 and 2, the utility model provides an oil control valve, this oil control valve includes casing 1, wherein: a flow channel 102 penetrating through two ends of the housing 1 in a horizontal direction is arranged in the housing 1, a first flow limiting plate 2 and a second flow limiting plate 3 which can move up and down and open and close are respectively arranged at the top and the bottom of the flow channel 102, the arrangement direction of the first flow limiting plate 2 and the second flow limiting plate 3 is perpendicular to the extension direction of the flow channel 102, a main transmission assembly connected with the first flow limiting plate 2 and the second flow limiting plate 3 is arranged in the housing 1, an operation and control assembly 20 driving the first flow limiting plate 2 and the second flow limiting plate 3 to move up and down is arranged on the housing 1, the upper portion of the operation and control assembly 20 is located outside the housing 1, and the lower portion of the operation and control assembly 20 extends into the housing 1 and is connected with the first flow limiting plate 2 and the second flow limiting plate 3 through the main transmission assembly. The worker rotates the upper portion of the operation and control assembly 20, so as to drive the main transmission assembly to move through the operation and control assembly 20, and the main transmission assembly respectively drives the first restrictor plate 2 and the second restrictor plate 3 to move up and down in opposite directions, so that the first restrictor plate 2 and the second restrictor plate 2 cooperate to control the blocking and the communication of the flow channel 102, and the first restrictor plate 2 and the second restrictor plate 3 move synchronously.

The utility model discloses be provided with first current limiting plate 2 and second current limiting plate 3 in the casing 1 of accuse fuel tap, the upper portion of controlling subassembly 20 is located the outside of casing 1, the lower part of controlling subassembly 20 stretches into in the casing 1 and is connected with first current limiting plate 2 and second current limiting plate 3 respectively through the final drive assembly, when controlling the break-make of accuse fuel tap, the staff only need rotate the upper portion of controlling subassembly 20, can drive first current limiting plate 2 and second current limiting plate 3 through the final drive assembly and move in the inside of casing 1 is synchronous, and the motion direction of first current limiting plate 2 is opposite with second current limiting plate 3, thereby cooperate shutoff and the conduction of the runner 102 of control casing 1 inside through first current limiting plate 2 and second current limiting plate 3, simple structure, it is convenient to control, low cost, in addition, only need to control alone and control subassembly 20, can control first current limiting plate 2 and second current limiting plate 3 and move in step, compare with the accuse fuel tap that only has a current-limiting plate, the utility model discloses well accuse fuel tap has faster regulating speed and higher regulation and control efficiency, saves the regulation and control time of staff to accuse fuel tap, reduces intensity of labour, can effectual improvement work efficiency.

In an optional embodiment of the present invention, the cross section of the flow passage 102 may be, but is not limited to, circular, and can be matched with an oil pipeline to smoothly transport oil.

In an optional embodiment of the present invention, as shown in fig. 1 and fig. 2, a first receiving chamber 103 and a second receiving chamber 104 are disposed in the housing 1 and communicate with the flow channel 102, the first receiving chamber 103 is disposed on the top inner wall of the flow channel 102, the second receiving chamber 104 is disposed on the bottom inner wall of the flow channel 102, the first receiving chamber 103 is located right above the second receiving chamber 104, the first current limiting plate 2 can be disposed in the first receiving chamber 103 in a vertically movable manner, and the second current limiting plate 3 can be disposed in the second receiving chamber 104 in a vertically movable manner. When the flow passage 102 is blocked, the first flow restriction plate 2 moves downwards from the first accommodating cavity 103, and simultaneously the second flow restriction plate 3 moves upwards from the second accommodating cavity 104, and the bottom of the first flow restriction plate 2 is tightly attached to the top of the second flow restriction plate 3 at the middle position of the flow passage 102, so that the bottom of the first flow restriction plate 2 is matched with the second flow restriction plate 3 to block the flow passage 102; when the control flow passage 102 is conducted, the first restrictor plate 2 moves upward into the first receiving cavity 103, and the second restrictor plate 3 moves downward into the second receiving cavity 104, so that the bottom of the first restrictor plate 2 is separated from the top of the second restrictor plate 3, and the flow passage 102 is conducted.

In an optional embodiment of the present invention, as shown in fig. 3, at least one boss 201 is disposed at the bottom of the first current limiting plate 2, at least one groove 301 matched with the boss 201 is disposed at the top of the second current limiting plate 3, when the first current limiting plate 2 and the second current limiting plate 3 are matched to block the flow channel 102, the boss 201 is embedded into the groove 301, and the outer edge of the boss 201 is tightly attached to the inner wall of the groove 301. Through the arrangement of the lug boss 201 and the groove 301, the connection stability of the first flow limiting plate 2 and the second flow limiting plate 3 is improved under the plugging state of the flow channel 102, and the stable and reliable plugging effect on the flow channel 102 is ensured.

In this embodiment, as shown in fig. 3, the first restrictor plate 2 and the second restrictor plate 3 are both rectangular plate-shaped structures disposed along the vertical direction, the number of the bosses 201 and the number of the grooves 301 are both one, the bosses 201 are disposed at the bottom of the first restrictor plate 2 along the extending direction of the bottom edge of the first restrictor plate 2, the grooves 301 are disposed at the top of the second restrictor plate 3 along the extending direction of the top edge of the second restrictor plate 3, the shape and size of the bosses 201 are the same as the shape and size of the grooves 301, and the bosses 201 are ensured to be engaged with the grooves 301.

Further, as shown in fig. 3, the cross-section of the boss 201 and the cross-section of the groove 301 may be, but are not limited to, semicircular.

In an optional embodiment of the present invention, as shown in fig. 1 and fig. 2, the total transmission assembly includes a first transmission assembly, a second transmission assembly, a first bidirectional screw 12 connected to the first transmission assembly, and a second bidirectional screw 13 connected to the second transmission assembly, and the first transmission assembly and the second transmission assembly are respectively connected to the control assembly 20. A third accommodating cavity 105, a fourth accommodating cavity 106 and a fifth accommodating cavity 107 are arranged in the shell 1, and the third accommodating cavity 105 is arranged above the first accommodating cavity 103 and is isolated from the first accommodating cavity 103; a fourth accommodating cavity 106 and a fifth accommodating cavity 107 are respectively arranged on two opposite side walls of the flow passage 102 and are respectively communicated with the flow passage 102, the top of the fourth accommodating cavity 106 and the top of the fifth accommodating cavity 107 are respectively communicated with the bottom of the third accommodating cavity 105, a first transmission assembly and a second transmission assembly are arranged in the third accommodating cavity 105, a first bidirectional screw 12 is arranged in the fourth accommodating cavity 106 in a rotatable manner along the vertical direction, a second bidirectional screw 13 is arranged in the fifth accommodating cavity 107 in a rotatable manner along the vertical direction, a first adjusting block 14 is sleeved on the upper portion of the first bidirectional screw 12, a second adjusting block 15 is sleeved on the lower portion of the first bidirectional screw 12, the outer wall of the first adjusting block 14 and the outer wall of the second adjusting block 15 are respectively connected with the inner wall of the fourth accommodating cavity 106 in an abutting manner, a third adjusting block 16 is sleeved on the upper portion of the second bidirectional screw 13, a fourth adjusting block 17 is sleeved on the lower portion of the second bidirectional screw 13, the outer wall of the third adjusting block 16 and the outer wall of the fourth adjusting block 17 are respectively connected with the inner wall of the fifth accommodating cavity 107 in an abutting manner, two opposite side edges of the first flow restricting plate 2 are respectively connected with the first adjusting block 14 and the third adjusting block 16, and two opposite side edges of the second flow restricting plate 3 are respectively connected with the second adjusting block 15 and the fourth adjusting block 17. The first transmission assembly drives the first bidirectional screw 12 to rotate, and the second transmission assembly drives the second bidirectional screw 13 to rotate, so that the first adjusting block 14 on the upper portion of the first bidirectional screw 12 and the third adjusting block 16 on the upper portion of the second bidirectional screw 13 synchronously move downwards, the second adjusting block 15 on the first bidirectional screw 12 and the fourth adjusting block 17 on the upper portion of the second bidirectional screw 13 synchronously move upwards, and the first restrictor plate 2 is driven to move downwards while the second restrictor plate 3 moves upwards.

The upper parts of the first bidirectional screw 12 and the second bidirectional screw 13 are both forward spiral lines, the lower parts of the first bidirectional screw 12 and the second bidirectional screw 13 are both backward spiral lines, the length of the forward spiral line on the first bidirectional screw 12 is the same as that of the forward spiral line on the second bidirectional screw 13, and the length of the backward spiral line on the first bidirectional screw 12 is the same as that of the backward spiral line on the second bidirectional screw 13.

Specifically, threaded through holes (namely, threads are arranged on the inner walls of the through holes) are formed in the first adjusting block 14, the second adjusting block 15, the third adjusting block 16 and the fourth adjusting block 17, the first adjusting block 14 is in threaded fit connection with the upper portion of the first bidirectional screw 12, the second adjusting block 15 is in threaded fit connection with the lower portion of the first bidirectional screw 12, the third adjusting block 16 is in threaded fit connection with the upper portion of the second bidirectional screw 13, and the fourth adjusting block 17 is in threaded fit connection with the lower portion of the second bidirectional screw 13.

Specifically, the fourth accommodating cavity 106 and the fifth accommodating cavity 107 are rectangular cavities arranged along the vertical direction, and the first adjusting block 14, the second adjusting block 15, the third adjusting block 16 and the fourth adjusting block 17 are all rectangular block structures, so that the first adjusting block 14 and the second adjusting block 15 can only move up and down in the fourth accommodating cavity 106 and cannot rotate along with the first bidirectional screw 12; the third adjusting block 16 and the fourth adjusting block 17 can only move up and down in the fifth accommodating cavity 107 and cannot rotate along with the second bidirectional screw 13. The fourth accommodating cavity 106, the fifth accommodating cavity 107 and the flow channel 102 are hermetically arranged, so that liquid in the flow channel 102 is prevented from entering the fourth accommodating cavity 106 and the fifth accommodating cavity 107, and normal transmission of the total transmission assembly is ensured.

Further, as shown in fig. 1 and fig. 2, the first transmission assembly includes a first transmission wheel 6, a second transmission wheel 7, a first transmission belt 8 and a first transmission rod 18, a top end of the first transmission rod 18 is rotatably connected to a top of the third accommodating cavity 105, a bottom end of the first transmission rod 18 extends into the fourth accommodating cavity 106 and is fixedly connected to a top end of the first bidirectional screw 12, the first transmission wheel 6 is fixedly sleeved on a lower portion of the control assembly 20, the second transmission wheel 7 is fixedly sleeved on an upper portion of the first transmission rod 18, and the first transmission belt 8 is sleeved on outer sides of the first transmission wheel 6 and the second transmission wheel 7. The first transmission wheel 6, the second transmission wheel 7 and the first transmission belt 8 are used for transmission, and the first bidirectional screw 12 is driven to rotate through the first transmission rod 18.

Further, as shown in fig. 1 and fig. 2, the second transmission assembly includes a third transmission wheel 9, a fourth transmission wheel 10, a second transmission belt 11 and a second transmission rod 19, a top end of the second transmission rod 19 is rotatably connected to a top of the third accommodating cavity 105, a bottom end of the second transmission rod 19 extends into the fifth accommodating cavity 107 and is fixedly connected to a top end of the second bidirectional screw 13, the third transmission wheel 9 is fixedly sleeved on a lower portion of the control assembly 20, the fourth transmission wheel 10 is fixedly sleeved on an upper portion of the second transmission rod 19, and the second transmission belt 11 is sleeved on outer sides of the third transmission wheel 9 and the fourth transmission wheel 10. The transmission is carried out through a third transmission wheel 9, a fourth transmission wheel 10 and a second transmission belt 11, and a second bidirectional screw 13 is driven to rotate through a second transmission rod 19.

In an optional embodiment of the present invention, as shown in fig. 1 and fig. 2, the control assembly 20 includes a rotating handle 4 and a rotating rod 5 disposed along a vertical direction, a mounting hole 108 communicating with the third accommodating cavity 105 is disposed at the top of the housing 1, the rotating handle 4 is fixedly disposed at the top end of the rotating rod 5, the bottom end of the rotating rod 5 passes through the mounting hole 108 and can be rotatably connected to the bottom of the third accommodating cavity 105, and the rotating handle 4 is connected to the first transmission assembly and the second transmission assembly through the rotating rod 5.

Specifically, as shown in fig. 2, the first transmission wheel 6 and the third transmission wheel 9 are both fixedly sleeved on the outer wall of the lower portion of the rotating rod 5.

When the utility model regulates the oil flow passing through the oil pipeline, the worker rotates the rotating handle 4, the rotating handle 4 drives the rotating rod 5 to rotate, the rotating rod 5 drives the first driving wheel 6 and the third driving wheel 9 at the lower part to rotate, the first driving wheel 6 drives the second driving wheel 7 to rotate through the first driving belt 8, the third driving wheel 9 drives the fourth driving wheel 10 to rotate through the second driving belt 11, and then drives the first bidirectional screw 12 to rotate through the second driving wheel 7 and the first driving rod 18, drives the second bidirectional screw 13 to rotate through the fourth driving wheel 10 and the second driving rod 19, the first adjusting block 14 and the second adjusting block 15 move relatively in the vertical direction along with the rotation of the first bidirectional screw 12, and simultaneously, the third adjusting block 16 and the fourth adjusting block 17 move relatively in the vertical direction along with the rotation of the second bidirectional screw 13, the first flow restriction plate 2 connected with the first adjusting block 14 and the third adjusting block 16 and the second flow restriction plate 3 connected with the second adjusting block 15 and the fourth adjusting block 17 move relatively, so that the size of an opening for oil to pass through in the flow passage 102 can be adjusted through the matching of the first flow restriction plate 2 and the second flow restriction plate 3, and the purpose of adjusting the oil flow passing through the oil pipeline is achieved.

The utility model discloses the characteristics and the advantage of accuse fuel tap are:

firstly, this accuse fuel tap is in the use, and the staff only needs to rotate the upper portion of controlling subassembly 20, can drive first current limiting plate 2 and second current limiting plate 3 through total drive assembly and move in the inside of casing 1 is synchronous, and the motion direction of first current limiting plate 2 and second current limiting plate 3 is opposite to through the shutoff and the switch-on of the inside runner 102 of first current limiting plate 2 and second current limiting plate 3 cooperation control casing 1, simple structure, control convenient, with low costs.

Two, this accuse fuel tap only need the independent control to control subassembly 20, can control first current-limiting

plate

2 and 3 synchronization actions of second current-limiting plate, compares with the accuse fuel tap that only has a current-limiting plate, the utility model discloses well accuse fuel tap has faster regulating speed and higher regulation and control efficiency, saves the regulation and control time of staff to accuse fuel tap, reduces intensity of labour, can effectual improvement work efficiency.

Third, in this accuse fuel tap, be provided with boss 201 in the bottom of first restrictor plate 2, set up the recess 301 with boss 201 matched with at the top of second restrictor plate 3, when first restrictor plate 2 and the cooperation of second restrictor plate 3 carry out the shutoff to runner 102, boss 201 imbeds in the recess 301, and the outer fringe of boss 201 closely laminates with the inner wall of recess 301, improve the stability of being connected of first restrictor plate 2 and second restrictor plate 3, guarantee to have stable, reliable shutoff effect to runner 102.

Example two

The utility model provides a petroleum pipeline, this petroleum pipeline include defeated oil pipe way and foretell accuse fuel tap, and the both ends of accuse fuel tap are connected on defeated oil pipe way, and the inside intercommunication of runner 102 and defeated oil pipe way in the accuse fuel tap.

In an optional embodiment of the present invention, as shown in fig. 1, two ends of the oil control valve are respectively provided with a flange 101, and the oil control valve is connected to the oil pipeline through the flange 101.

The utility model discloses petroleum pipeline's characteristics and advantage are:

be provided with first current limiting plate 2 and second current limiting plate 3 in the accuse oil valve that sets up on this petroleum pipeline, when controlling the break-make of accuse oil valve, the staff only needs control to control subassembly 20, can drive first current limiting plate 2 and second current limiting plate 3 and move in step, and the motion direction of first current limiting plate 2 and second current limiting plate 3 is opposite, thereby control shutoff and the on-state of accuse oil valve, moreover, the steam generator is simple in structure, control conveniently, low cost, have faster regulating speed and higher regulation and control efficiency to accuse oil valve, save the regulation and control time of staff to accuse oil valve, reduce intensity of labour, can effectual improvement work efficiency, be suitable for and use widely in various fluid delivery fields.

The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention.

Claims

1. An oil control valve, characterized in that it comprises a housing (1), wherein:

the flow channel (102) penetrating through two ends of the shell (1) is arranged in the shell (1), a first flow limiting plate (2) and a second flow limiting plate (3) which can move up and down and open and close are respectively arranged at the top and the bottom of the flow channel (102), the arrangement direction of the first flow limiting plate (2) and the second flow limiting plate (3) is perpendicular to the extension direction of the flow channel (102), a main transmission assembly which is respectively connected with the first flow limiting plate (2) and the second flow limiting plate (3) is arranged in the shell (1), an operation assembly (20) which drives the first flow limiting plate (2) and the second flow limiting plate (3) to move up and down is arranged on the shell (1), the upper portion of the operation assembly (20) is located outside the shell (1), and the lower portion of the operation assembly (20) extends into the shell (1) and is respectively connected with the first flow limiting plate (2) and the second flow limiting plate (3) through the main transmission assembly The two flow limiting plates (3) are connected.

2. The oil control valve according to claim 1, wherein a first accommodating cavity (103) and a second accommodating cavity (104) which are communicated with the flow passage (102) are respectively formed on the top inner wall and the bottom inner wall of the flow passage (102), the first accommodating cavity (103) is positioned right above the second accommodating cavity (104), and the first flow restriction plate (2) and the second flow restriction plate (3) are respectively arranged in the first accommodating cavity (103) and the second accommodating cavity (104) in a vertically movable manner.

3. The oil control valve according to claim 2, wherein the bottom of the first restrictor plate (2) is provided with at least one boss (201), and the top of the second restrictor plate (3) is provided with at least one groove (301) matched with the boss (201).

4. The oil control valve according to claim 3, wherein the boss (201) is disposed along an extension direction of a bottom edge of the first restrictor plate (2), the groove (301) is disposed along an extension direction of a top edge of the second restrictor plate (3), and cross sections of the boss (201) and the groove (301) are both semicircular.

5. The oil control valve according to claim 2, wherein the main transmission assembly comprises a first transmission assembly, a second transmission assembly, a first bidirectional screw (12) connected with the first transmission assembly and a second bidirectional screw (13) connected with the second transmission assembly, the first transmission assembly and the second transmission assembly are respectively connected with the control assembly (20), a third accommodating cavity (105), a fourth accommodating cavity (106) and a fifth accommodating cavity (107) are arranged in the shell (1), and the third accommodating cavity (105) is opened above the first accommodating cavity (103) and is isolated from the first accommodating cavity (103); the fourth accommodating cavity (106) and the fifth accommodating cavity (107) are respectively arranged on two opposite side walls of the flow channel (102) and are respectively communicated with the flow channel (102), the top of the fourth accommodating cavity (106) and the top of the fifth accommodating cavity (107) are respectively communicated with the bottom of the third accommodating cavity (105), the first transmission component and the second transmission component are arranged in the third accommodating cavity (105), the first bidirectional screw (12) and the second bidirectional screw (13) are respectively arranged in the fourth accommodating cavity (106) and the fifth accommodating cavity (107) along the vertical direction, the upper part and the lower part of the first bidirectional screw (12) are respectively sleeved with a first adjusting block (14) and a second adjusting block (15), the outer wall of the first adjusting block (14) and the outer wall of the second adjusting block (15) are respectively connected with the inner wall of the fourth accommodating cavity (106) in an abutting mode, the upper portion and the lower portion of the second bidirectional screw (13) are respectively sleeved with a third adjusting block (16) and a fourth adjusting block (17), the outer wall of the third adjusting block (16) and the outer wall of the fourth adjusting block (17) are respectively connected with the inner wall of the fifth accommodating cavity (107) in an abutting mode, two opposite side edges of the first flow limiting plate (2) are respectively connected with the first adjusting block (14) and the third adjusting block (16), and two opposite side edges of the second flow limiting plate (3) are respectively connected with the second adjusting block (15) and the fourth adjusting block (17).

6. The oil control valve according to claim 5, wherein the upper portions of the first and second bidirectional screws (12, 13) are both positive spirals, the lower parts of the first bidirectional screw (12) and the second bidirectional screw (13) are both reverse spiral lines, the first adjusting block (14), the second adjusting block (15), the third adjusting block (16) and the fourth adjusting block (17) are all provided with threaded through holes, the first adjusting block (14) is in fit connection with the threads on the upper part of the first bidirectional screw (12), the second adjusting block (15) is in fit connection with the threads at the lower part of the first bidirectional screw (12), the third adjusting block (16) is in fit connection with the threads at the upper part of the second bidirectional screw (13), the fourth adjusting block (17) is in threaded fit connection with the lower portion of the second bidirectional screw (13).

7. The oil control valve according to claim 5, wherein the first transmission assembly comprises a first transmission wheel (6), a second transmission wheel (7), a first transmission belt (8) and a first transmission rod (18), the top end of the first transmission rod (18) is rotatably connected to the top of the third accommodating cavity (105), the bottom end of the first transmission rod (18) extends into the fourth accommodating cavity (106) and is fixedly connected with the top end of the first bidirectional screw (12), the first transmission wheel (6) is fixedly sleeved on the lower portion of the control assembly (20), the second transmission wheel (7) is fixedly sleeved on the upper portion of the first transmission rod (18), and the first transmission belt (8) is sleeved on the outer sides of the first transmission wheel (6) and the second transmission wheel (7).

8. The oil control valve according to claim 5 or 7, wherein the second transmission assembly comprises a third transmission wheel (9), a fourth transmission wheel (10), a second transmission belt (11) and a second transmission rod (19), the top end of the second transmission rod (19) is rotatably connected to the top of the third accommodating cavity (105), the bottom end of the second transmission rod (19) extends into the fifth accommodating cavity (107) and is fixedly connected with the top end of the second bidirectional screw (13), the third transmission wheel (9) is fixedly sleeved on the lower portion of the control assembly (20), the fourth transmission wheel (10) is fixedly sleeved on the upper portion of the second transmission rod (19), and the second transmission belt (11) is sleeved on the outer sides of the third transmission wheel (9) and the fourth transmission wheel (10).

9. The oil control valve according to claim 5, wherein the control assembly (20) comprises a rotating handle (4) and a rotating rod (5) arranged in a vertical direction, a mounting hole (108) communicated with the third accommodating cavity (105) is formed in the top of the housing (1), the rotating handle (4) is fixedly arranged at the top end of the rotating rod (5), the bottom end of the rotating rod (5) penetrates through the mounting hole (108) and can be rotatably connected to the bottom of the third accommodating cavity (105), and the rotating handle (4) is respectively connected with the first transmission assembly and the second transmission assembly through the rotating rod (5).

10. A petroleum pipeline comprising a pipeline and an oil control valve as claimed in any one of claims 1 to 9, said valve being connected to said pipeline.

11. The petroleum pipeline of claim 10, wherein the oil control valve is provided with flanges (101) at both ends thereof, and the oil control valve is connected to the oil pipeline through the flanges (101).