CN113883290B

CN113883290B - Petroleum machinery valve convenient to adjust

Info

Publication number: CN113883290B
Application number: CN202111121793.9A
Authority: CN
Inventors: 李培成; 董玉伟; 刘步明; 谢唐进; 刘磊磊
Original assignee: Yancheng Ourun Petrochemical Equipment Manufacturing Co ltd
Current assignee: Yancheng Ourun Petrochemical Equipment Manufacturing Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-05-17
Anticipated expiration: 2041-09-24
Also published as: CN113883290A

Abstract

The invention relates to the technical field of mechanical valves, in particular to a petroleum mechanical valve convenient to adjust, which comprises a main body mechanism, wherein an adjusting mechanism is rotated on the main body mechanism; a limiting mechanism slides on the adjusting mechanism; the adjusting mechanism is provided with a collision mechanism; the sealing mechanism is communicated with the abutting mechanism; the main body mechanism is connected with a lubricating mechanism in a matching way; when the valve needs to be opened, the limiting mechanism can be pulled by hands firstly, so that the limiting mechanism slides out of the interior of the adjusting mechanism, then the limiting mechanism is rotated, and the limiting mechanism is clamped in the main body mechanism, so that an operator can conveniently rotate the adjusting mechanism and is also favorable for preventing false rotation; the adjusting mechanism extrudes the abutting mechanism when sliding in the main body mechanism, so that the abutting mechanism can discharge gas into the sealing mechanism when sliding in the main body mechanism, and then the main body mechanism is sealed when the sealing mechanism expands, thereby being favorable for preventing the condition of petroleum leakage when the valve is not opened.

Description

Petroleum machinery valve convenient to adjust

Technical Field

The invention relates to the technical field of mechanical valves, in particular to a petroleum mechanical valve convenient to adjust.

Background

Valves are indispensable important parts in petroleum pipeline systems and are widely applied to oil transportation systems. In the prior art, a petroleum mechanical valve is a device commonly used in the process of conveying petroleum through a pipeline.

However, because the number of valves used in a petroleum pipeline is large, when the sealing effect at the joint of the valves and the petroleum pipeline is poor, a phenomenon of partial valve leakage may occur, and further, an operator needs to maintain and replace the valves, which is not beneficial to improving the use effect of the valves to a certain extent; in addition, in the use process of the valve, if an operator rotates the hand wheel by mistake, the opening and closing effect of the valve is easily influenced, and then certain use defects exist, so that the use efficiency of the valve is not improved.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a petroleum mechanical valve which is convenient to adjust.

The technical scheme adopted by the invention for solving the technical problems is as follows: a petroleum machinery valve convenient to adjust comprises a main body mechanism, wherein an adjusting mechanism is rotatably arranged on the main body mechanism; a limiting mechanism slides on the adjusting mechanism; the adjusting mechanism is provided with a collision mechanism; the sealing mechanism is communicated with the abutting mechanism; the main body mechanism is connected with a lubricating mechanism in a matching way;

the conflict mechanism is including supporting the piece, it has to support the piece to contradict on the adjustment mechanism, support fixedly connected with slide bar on the piece, fixedly connected with supports the board on the slide bar, the pressure spring has been cup jointed on the slide bar, support the board and be connected through the pressure spring and the main part mechanism cooperation, be equipped with the spout in the main part mechanism, the spout fit in slides there is the slider, just fixed connection between slider and the slide bar.

Specifically, the main part mechanism includes the valve body, support sliding connection between piece and the valve body, support the board and be connected through pressure spring and valve body cooperation, be equipped with the spout in the valve body, the symmetry block is connected with two connecting pipes on the valve body, just connecting pipe and valve body intercommunication, the valve body passes through the rubber pad and is connected with the valve gap cooperation, just contact surface between valve gap, valve body and the rubber pad all is the cockscomb structure setting, fixedly connected with mount pad on the valve gap, the block is connected with the filter screen on the valve body, just filter screen and valve body and connecting pipe intercommunication, it has the packing ring to contradict on the filter screen, the cross-sectional diameter of packing ring is less than the cross-sectional diameter of connecting pipe.

Specifically, adjustment mechanism includes the turning block, it is connected with the turning block to rotate on the mount pad, fixedly connected with hand wheel on the turning block, equal threaded connection has the valve rod on hand wheel, turning block and the valve gap, fixedly connected with valve block on the valve rod, sliding connection between valve block and the valve body, just it has to support the piece to contradict on the valve block, be equipped with logical groove in the valve block, the valve block is the inclined plane setting with the contact of supporting the piece, the tip cross-section of supporting the piece is the inclined plane setting.

Specifically, stop gear is including drawing the piece, it has the piece of drawing to contradict on the hand wheel, draw fixedly connected with connecting rod on the piece, telescopic spring has been cup jointed on the connecting rod, just the connecting rod passes through telescopic spring and is connected with the hand wheel cooperation, fixedly connected with kelly on the connecting rod, fixedly connected with fixture block on the connecting rod, the block is connected between fixture block and the turning block, be equipped with the draw-in groove in the hand wheel, the tip cross-section of fixture block is the setting of falling trapezoidal form, sliding connection between fixture block and the mount pad, the kelly is contradicted with the mount pad.

Specifically, lubricating mechanism includes the oil plug, threaded connection has the oil plug on the mount pad, the cooperation rotates in the rotation block has first ball and second ball, and is two sets of roll connection between second ball and the valve rod, fixed mounting has the fibre sponge in the rotation block, first ball and second ball all contradict with the fibre sponge.

Specifically, sealing mechanism includes the gasbag, the gasbag is installed in the cooperation on the valve body, install two check valves in the gasbag, fixedly connected with intake pipe and blast pipe respectively on the valve body, intake pipe and spout intercommunication, just the intake pipe is through a check valve and gasbag intercommunication, the blast pipe is through another check valve and gasbag intercommunication, threaded connection has the sealing plug on the blast pipe.

The invention has the beneficial effects that:

(1) according to the petroleum mechanical valve convenient to adjust, when the valve needs to be opened, the limiting mechanism can be pulled by hand firstly, so that the limiting mechanism slides out of the adjusting mechanism, then the limiting mechanism is rotated, and further the limiting mechanism is clamped in the main body mechanism, so that an operator can rotate the adjusting mechanism conveniently and is also favorable for preventing false rotation, petroleum flows after the valve is opened, and the flow quantity of the petroleum can be adjusted by sliding the adjusting mechanism in the main body mechanism, namely: an operator can fix the valve cover and the valve body together, and the rubber gasket is connected between the valve cover and the valve body, and the contact surfaces of the valve cover, the valve body and the rubber gasket are all arranged to be zigzag, so that the contact area among the valve cover, the valve body and the rubber gasket is increased, and the valve cover and the valve body are fixed more tightly; when an operator needs to open the valve, the pull block can be pulled by hand firstly, so that the pull block drives the connecting rod to slide, the telescopic spring is sleeved on the connecting rod, the telescopic spring is extruded when the connecting rod slides, the connecting rod drives the clamping block to slide out of the rotating block, then the pull block is rotated, so that the clamping rod fixed on the connecting rod can be clamped to the clamping groove part conveniently, the connecting rod can be fixed conveniently, the operator can rotate the hand wheel conveniently, and the condition that the valve closing effect is poor or the operator rotates by mistake due to the rotation of the hand wheel can be prevented; an operator rotates the hand wheel, so that the valve rod moves in the hand wheel, the rotating block and the valve cover, and further, when the valve block slides in the valve body, oil in the connecting pipe flows in the valve body through the through groove, and meanwhile, the valve block slides, so that the operator can conveniently adjust the flow of the oil.

(2) According to the petroleum machinery valve convenient to adjust, the adjusting mechanism extrudes the abutting mechanism when sliding in the main body mechanism, so that gas can be discharged into the sealing mechanism when the abutting mechanism slides in the main body mechanism, and the main body mechanism is sealed when the sealing mechanism expands, so that the condition of petroleum leakage when the valve is not opened is favorably prevented, namely: when the valve is closed, the valve block is abutted against the abutting block when sliding, so that the abutting block drives the sliding rod to slide, the abutting plate is extruded with the sliding of the sliding rod, the sliding block is further made to slide at the sliding groove part, gas generated by sliding enters the air inlet pipe fixed on the valve body, the air inlet pipe is discharged into the air bag through the one-way valve (the one-way valve is used for controlling air inlet), so that the air bag is expanded, the valve body is more tightly attached to the connecting pipe, and the condition that petroleum leaks when not flowing is favorably prevented; when the valve body or the connecting pipe needs to be disassembled, the sealing plug is rotated by using a tool, so that gas in the air bag can be discharged to the exhaust pipe through another one-way valve (the one-way valve is used for controlling gas outlet), and the connecting pipe and the valve body are convenient to assemble and disassemble; when the connecting pipe is disassembled, an operator can replace the filter screen and the gasket clamped in the valve body, and the filter screen can filter impurities contained in petroleum, so that the situation that the sealing effect of the valve plate is influenced by the impurities entering the valve body is favorably prevented; the setting of packing ring is favorable to improving the leakproofness between connecting pipe and the valve body.

(3) According to the petroleum machinery valve convenient to adjust, when the interior of the valve needs to be lubricated, the lubricating mechanism can be opened, so that lubricating oil is smeared on the adjusting mechanism through the rotation of the lubricating mechanism, and the using effect of the valve is improved, namely: after the valve is used for a long time, an operator can open the oil plug, the use tool injects lubricating oil into the mounting seat, the lubricating oil flows to the first ball through the mounting seat, then the lubricating oil flows into the fiber sponge, the second ball rotates to be in contact with the valve rod when the rotating block rotates, then the lubricating oil is conveniently smeared on the valve rod, and then the oil filling lubrication is conveniently carried out on the internal component of the valve when the valve rod rotates.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic overall structural view of a preferred embodiment of a readily adjustable valve for a petroleum machine according to the present invention;

FIG. 2 is an enlarged view of the part A shown in FIG. 1;

FIG. 3 is a schematic view of the connection structure of the valve cover and the valve body;

FIG. 4 is an enlarged view of the structure of the portion B shown in FIG. 3;

FIG. 5 is an enlarged view of the structure of the portion C shown in FIG. 3;

FIG. 6 is an enlarged view of the structure of the portion D shown in FIG. 3;

FIG. 7 is an enlarged view of the structure of the section E shown in FIG. 3;

FIG. 8 is an enlarged view of the structure of the portion F shown in FIG. 3;

fig. 9 is an enlarged schematic view of the structure of the G portion shown in fig. 3.

In the figure: 1. a main body mechanism; 101. a mounting seat; 102. a valve cover; 103. a valve body; 104. a connecting pipe; 105. a rubber pad; 106. filtering with a screen; 107. a gasket; 2. an adjustment mechanism; 201. a hand wheel; 202. a valve stem; 203. rotating the block; 204. a valve plate; 205. a through groove; 3. a limiting mechanism; 301. pulling the block; 302. a connecting rod; 303. a clamping rod; 304. a card slot; 305. a clamping block; 306. a tension spring; 4. a lubrication mechanism; 401. an oil plug; 402. a first ball bearing; 403. a fibrous sponge; 404. a second ball bearing; 5. a collision mechanism; 501. a resisting block; 502. a slide bar; 503. a resisting plate; 504. a pressure spring; 505. a chute; 506. a slider; 6. a sealing mechanism; 601. an air inlet pipe; 602. a one-way valve; 603. an air bag; 604. an exhaust pipe; 605. and (4) sealing the plug.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-9, the petroleum machinery valve convenient to adjust according to the invention comprises a main body mechanism 1, wherein an adjusting mechanism 2 is rotated on the main body mechanism 1; the adjusting mechanism 2 is provided with a limiting mechanism 3 in a sliding manner; the adjusting mechanism 2 is provided with a collision mechanism 5; the collision mechanism 5 is communicated with a sealing mechanism 6; the main body mechanism 1 is connected with a lubricating mechanism 4 in a matching way;

the collision mechanism 5 comprises a collision block 501, the regulating mechanism 2 is collided with the collision block 501, the collision block 501 is fixedly connected with a sliding rod 502, the sliding rod 502 is fixedly connected with a collision plate 503, the sliding rod 502 is sleeved with a pressure spring 504, the collision plate 503 is connected with the main mechanism 1 through the pressure spring 504 in a matching manner, a sliding groove 505 is arranged in the main mechanism 1, a sliding block 506 slides in the sliding groove 505 in a matching manner, and the sliding block 506 is fixedly connected with the sliding rod 502.

Specifically, main body mechanism 1 includes valve body 103, sliding connection between support piece 501 and valve body 103, support board 503 and be connected with the cooperation of valve body 103 through pressure spring 504, be equipped with spout 505 in the valve body 103, the symmetry block is connected with two connecting pipes 104 on the valve body 103, just connecting pipe 104 and valve body 103 intercommunication, valve body 103 passes through rubber pad 105 and is connected with the cooperation of valve gap 102, just contact surface between valve gap 102, valve body 103 and the rubber pad 105 all is the cockscomb structure setting, fixedly connected with mount pad 101 on the valve gap 102, the block is connected with filter screen 106 on the valve body 103, just filter screen 106 and valve body 103 and connecting pipe 104 intercommunication, it has packing ring 107 to contradict on the filter screen 106, the cross-sectional diameter of packing ring 107 is less than the cross-sectional diameter of connecting pipe 104.

Specifically, adjustment mechanism 2 includes turning block 203, it is connected with turning block 203 to rotate on the mount pad 101, fixedly connected with hand wheel 201 on the turning block 203, equal threaded connection has valve rod 202 on hand wheel 201, turning block 203 and the valve gap 102, fixedly connected with valve block 204 on the valve rod 202, sliding connection between valve block 204 and the valve body 103, just conflict on the valve block 204 and have to support piece 501, be equipped with logical groove 205 in the valve block 204, valve block 204 is the inclined plane setting with the contact that supports piece 501, the end section that supports piece 501 is the inclined plane setting.

Specifically, the limiting mechanism 3 includes a pulling block 301, the hand wheel 201 is abutted with the pulling block 301, the pulling block 301 is fixedly connected with a connecting rod 302, the connecting rod 302 is sleeved with a telescopic spring 306, the connecting rod 302 is connected with the hand wheel 201 through the telescopic spring 306 in a matching manner, the connecting rod 302 is fixedly connected with a clamping rod 303, the connecting rod 302 is fixedly connected with a clamping block 305, the clamping block 305 is connected with a rotating block 203 in a clamping manner, a clamping groove 304 is arranged in the hand wheel 201, the end section of the clamping block 305 is arranged in an inverted trapezoid shape, the clamping block 305 is connected with the mounting seat 101 in a sliding manner, the clamping rod 303 is abutted with the mounting seat 101, when the valve needs to be opened, the limiting mechanism 3 can be pulled by hand first, so that the limiting mechanism 3 slides out of the adjusting mechanism 2, then the limiting mechanism 3 is rotated, and then the limiting mechanism 3 is clamped inside the main body mechanism 1, and then also be favorable to preventing the mistake and turn when being convenient for operating personnel to rotate adjustment mechanism 2, open the valve after oil flows, adjustment mechanism 2 slides in main part mechanism 1 inside also can adjust the flow volume of oil, promptly: an operator can fix the valve cover 102 and the valve body 103 together, and because the rubber gasket 105 is connected between the valve cover 102 and the valve body 103, and the contact surfaces of the valve cover 102, the valve body 103 and the rubber gasket 105 are all arranged in a zigzag manner, the contact areas among the valve cover 102, the valve body 103 and the rubber gasket 105 can be increased, and the valve cover 102 and the valve body 103 can be fixed more tightly; when an operator needs to open the valve, the pull block 301 can be pulled by hand first, so that the pull block 301 drives the connecting rod 302 to slide, the telescopic spring 306 is sleeved on the connecting rod 302, the telescopic spring 306 is extruded when the connecting rod 302 slides, the connecting rod 302 drives the clamping block 305 to slide out of the rotating block 203, then the pull block 301 is rotated, so that the clamping rod 303 fixed on the connecting rod 302 can be clamped to the clamping groove 304, the connecting rod 302 can be fixed conveniently, the operator can rotate the hand wheel 201 conveniently, and the situation that the valve closing effect is poor or the operator rotates by mistake due to rotation of the hand wheel 201 can be prevented; an operator rotates the handwheel 201, so that the valve rod 202 is displaced in the handwheel 201, the rotating block 203 and the valve cover 102, and when the valve plate 204 slides in the valve body 103, oil in the connecting pipe 104 flows in the valve body 103 through the through groove 205, and meanwhile, the sliding of the valve plate 204 is convenient for the operator to adjust the flow quantity of the oil.

Specifically, lubricating mechanism 4 includes oil plug 401, threaded connection has oil plug 401 on the mount pad 101, the cooperation rotates in the turning block 203 has first ball 402 and second ball 404, and is two sets of rolling connection between second ball 404 and the valve rod 202, fixed mounting has fibre sponge 403 in the turning block 203, first ball 402 and second ball 404 all contradict with fibre sponge 403, when needs are lubricated to valve inside, can open lubricating mechanism 4, and then make lubricating oil paint adjustment mechanism 2 through lubricating mechanism 4's rotation on, and then be favorable to improving the result of use of valve, promptly: after the valve is used for a long time, an operator can open the oil plug 401, lubricating oil is injected into the mounting seat 101 by using tools, the lubricating oil flows to the first ball 402 through the mounting seat 101, then the lubricating oil flows into the fiber sponge 403, when the rotating block 203 rotates, the second ball 404 rotates to be in contact with the valve rod 202, then the lubricating oil is conveniently smeared on the valve rod 202, and then the oil injection lubrication is conveniently carried out on the internal components of the valve when the valve rod 202 rotates.

Specifically, sealing mechanism 6 includes gasbag 603, gasbag 603 is installed in the cooperation on the valve body 103, install two check valves 602 in the gasbag 603, be fixedly connected with intake pipe 601 and blast pipe 604 respectively on the valve body 103, intake pipe 601 and spout 505 intercommunication, just intake pipe 601 communicates with gasbag 603 through a check valve 602, blast pipe 604 communicates with gasbag 603 through another check valve 602, threaded connection has sealing plug 605 on the blast pipe 604, and adjustment mechanism 2 extrudes conflict mechanism 5 when main body mechanism 1 is inside to slide, and then makes conflict mechanism 5 can be with gas escape sealing mechanism 6 when main body mechanism 1 is inside to slide, and then seals main body mechanism 1 when making sealing mechanism 6 expand, and then is favorable to preventing the condition that the oil was revealed when not opening the valve, promptly: when the valve is closed, the valve plate 204 butts against the abutting block 501 when sliding, so that the abutting block 501 drives the sliding rod 502 to slide, the abutting plate 503 slides along with the sliding rod 502 to extrude the pressure spring 504, so that the sliding block 506 slides at the sliding groove 505, gas generated by sliding enters the air inlet pipe 601 fixed on the valve body 103, the air inlet pipe 601 is discharged into the air bag 603 through the one-way valve 602 (the one-way valve 602 is used for controlling air inlet), so that the air bag 603 is expanded, the valve body 103 is more tightly attached to the connecting pipe 104, and the condition of oil leakage when not flowing is favorably prevented; when the valve body 103 or the connecting pipe 104 needs to be disassembled, the sealing plug 605 is rotated by using a tool, so that the gas in the air bag 603 can be discharged to the exhaust pipe 604 through another one-way valve 602 (the one-way valve 602 is used for controlling gas outlet), and the connecting pipe 104 and the valve body 103 are convenient to assemble and disassemble; when the connecting pipe 104 is disassembled, an operator can replace the filter screen 106 and the gasket 107 clamped in the valve body 103, and the filter screen 106 can filter impurities contained in petroleum, so that the situation that the sealing effect of the valve plate 204 is influenced when the impurities enter the valve body 103 is favorably prevented; the gasket 107 is provided to improve the sealing performance between the connection pipe 104 and the valve body 103.

When the valve is used, firstly, an operator can fix the valve cover 102 and the valve body 103 together, and because the rubber gasket 105 is connected between the valve cover 102 and the valve body 103, and the contact surfaces of the valve cover 102, the valve body 103 and the rubber gasket 105 are all arranged in a zigzag manner, the contact areas among the valve cover 102, the valve body 103 and the rubber gasket 105 can be increased, and the valve cover 102 and the valve body 103 can be fixed more tightly; when an operator needs to open the valve, the pull block 301 can be pulled by hand first, so that the pull block 301 drives the connecting rod 302 to slide, the telescopic spring 306 is sleeved on the connecting rod 302, the telescopic spring 306 is extruded when the connecting rod 302 slides, the connecting rod 302 drives the clamping block 305 to slide out of the rotating block 203, then the pull block 301 is rotated, so that the clamping rod 303 fixed on the connecting rod 302 can be clamped to the clamping groove 304, the connecting rod 302 can be fixed conveniently, the operator can rotate the hand wheel 201 conveniently, and the situation that the valve closing effect is poor or the operator rotates by mistake due to rotation of the hand wheel 201 can be prevented; an operator rotates the hand wheel 201, so that the valve rod 202 is displaced in the hand wheel 201, the rotating block 203 and the valve cover 102, and further, when the valve plate 204 slides in the valve body 103, oil in the connecting pipe 104 flows in the valve body 103 through the through groove 205, and meanwhile, the valve plate 204 slides, so that the operator can conveniently adjust the flow quantity of the oil; when the valve is closed, the valve plate 204 butts against the abutting block 501 when sliding, so that the abutting block 501 drives the sliding rod 502 to slide, the abutting plate 503 slides along with the sliding rod 502 to extrude the pressure spring 504, so that the sliding block 506 slides at the sliding groove 505, gas generated by sliding enters the air inlet pipe 601 fixed on the valve body 103, the air inlet pipe 601 is discharged into the air bag 603 through the one-way valve 602 (the one-way valve 602 is used for controlling air inlet), so that the air bag 603 is expanded, the valve body 103 is more tightly attached to the connecting pipe 104, and the condition of oil leakage when not flowing is favorably prevented; when the valve body 103 or the connecting pipe 104 needs to be disassembled, the sealing plug 605 is rotated by using a tool, so that the gas in the air bag 603 can be discharged to the exhaust pipe 604 through another one-way valve 602 (the one-way valve 602 is used for controlling the air outlet), and the air bag 603 is provided with a pressure balance valve, so that the damage caused by excessive gas in the air bag 603 is prevented, and the connecting pipe 104 and the valve body 103 are convenient to assemble and disassemble; when the connecting pipe 104 is disassembled, an operator can replace the filter screen 106 and the gasket 107 clamped in the valve body 103, and the filter screen 106 can filter impurities contained in petroleum, so that the situation that the sealing effect of the valve plate 204 is influenced when the impurities enter the valve body 103 is favorably prevented; the gasket 107 is arranged, so that the sealing performance between the connecting pipe 104 and the valve body 103 is improved; after the valve is used for a long time, an operator can open the oil plug 401, lubricating oil is injected into the mounting seat 101 by using tools, the lubricating oil flows to the first ball 402 through the mounting seat 101, then the lubricating oil flows into the fiber sponge 403, when the rotating block 203 rotates, the second ball 404 rotates to be in contact with the valve rod 202, then the lubricating oil is conveniently smeared on the valve rod 202, and then the oil injection lubrication is conveniently carried out on the internal components of the valve when the valve rod 202 rotates.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The petroleum machinery valve convenient to adjust is characterized by comprising a main body mechanism (1), wherein an adjusting mechanism (2) is rotatably arranged on the main body mechanism (1); the adjusting mechanism (2) is provided with a limiting mechanism (3) in a sliding manner; the adjusting mechanism (2) is provided with a collision mechanism (5); the collision mechanism (5) is communicated with a sealing mechanism (6); the main body mechanism (1) is connected with a lubricating mechanism (4) in a matching way;

the collision mechanism (5) comprises a collision block (501), the adjusting mechanism (2) is collided with the collision block (501), the collision block (501) is fixedly connected with a sliding rod (502), the sliding rod (502) is fixedly connected with a collision plate (503), the sliding rod (502) is sleeved with a pressure spring (504), the collision plate (503) is matched and connected with the main body mechanism (1) through the pressure spring (504), a sliding groove (505) is arranged in the main body mechanism (1), a sliding block (506) is matched and slid in the sliding groove (505), and the sliding block (506) is fixedly connected with the sliding rod (502); the main body mechanism (1) comprises a valve body (103), the abutting block (501) is connected with the valve body (103) in a sliding mode, the abutting plate (503) is connected with the valve body (103) in a matching mode through a pressure spring (504), and a sliding groove (505) is formed in the valve body (103);

the valve body (103) is symmetrically connected with two connecting pipes (104) in a clamping manner, the connecting pipes (104) are communicated with the valve body (103), the valve body (103) is connected with the valve cover (102) in a matching manner through rubber pads (105), contact surfaces among the valve cover (102), the valve body (103) and the rubber pads (105) are arranged in a zigzag manner, and the valve cover (102) is fixedly connected with a mounting seat (101); the adjusting mechanism (2) comprises a rotating block (203), the mounting base (101) is rotatably connected with the rotating block (203), the rotating block (203) is fixedly connected with a hand wheel (201), the rotating block (203) and the valve cover (102) are all in threaded connection with a valve rod (202), the valve rod (202) is fixedly connected with a valve plate (204), the valve plate (204) is in sliding connection with the valve body (103), the valve plate (204) is abutted with a resisting block (501), and a through groove (205) is formed in the valve plate (204); the contact surface of the valve plate (204) and the abutting block (501) is arranged in an inclined plane, and the section of the end part of the abutting block (501) is arranged in an inclined plane;

the limiting mechanism (3) comprises a pulling block (301), the hand wheel (201) is abutted with the pulling block (301), the pulling block (301) is fixedly connected with a connecting rod (302), the connecting rod (302) is sleeved with an expansion spring (306), the connecting rod (302) is in matched connection with the hand wheel (201) through the expansion spring (306), the connecting rod (302) is fixedly connected with a clamping rod (303), the connecting rod (302) is fixedly connected with a clamping block (305), the clamping block (305) is in clamping connection with the rotating block (203), and a clamping groove (304) is formed in the hand wheel (201);

the lubricating mechanism (4) comprises an oil plug (401), the oil plug (401) is connected to the mounting seat (101) in a threaded mode, a first ball (402) and a second ball (404) are matched and rotated in the rotating block (203), the two groups of second balls (404) are in rolling connection with the valve rod (202), fiber sponges (403) are fixedly installed in the rotating block (203), and the first ball (402) and the second ball (404) are abutted to the fiber sponges (403);

sealing mechanism (6) includes gasbag (603), gasbag (603) are installed in the cooperation on valve body (103), install two check valves (602) in gasbag (603), be fixedly connected with intake pipe (601) and blast pipe (604) respectively on valve body (103), intake pipe (601) and spout (505) intercommunication, just intake pipe (601) communicate with gasbag (603) through one check valve (602), blast pipe (604) communicate with gasbag (603) through another check valve (602), threaded connection has sealing plug (605) on blast pipe (604).

2. A readily adjustable petromechanical valve according to claim 1 wherein: the block is connected with filter screen (106) on valve body (103), just filter screen (106) and valve body (103) and connecting pipe (104) intercommunication, it has packing ring (107) to contradict on filter screen (106), the cross-sectional diameter of packing ring (107) is less than the cross-sectional diameter of connecting pipe (104).

3. A readily adjustable petromechanical valve according to claim 1 wherein: the cross section of the end part of the clamping block (305) is arranged in an inverted trapezoid shape, the clamping block (305) is in sliding connection with the installation seat (101), and the clamping rod (303) is abutted to the installation seat (101).