CN114935017A

CN114935017A - Industrial ball valve

Info

Publication number: CN114935017A
Application number: CN202210651097.7A
Authority: CN
Inventors: 毕晓庆
Original assignee: Shaanxi Zhaoming Environmental Technology Co ltd
Current assignee: Shaanxi Zhaoming Environmental Technology Co ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-08-23

Abstract

The invention discloses an industrial ball valve which comprises a ball valve body, wherein the ball valve body comprises a valve body, a valve seat, a valve core and a valve rod, a driving mechanism is installed on the valve rod, an air supply mechanism is arranged at the upper end of the valve body, a cavity connected with the air supply mechanism is arranged inside the valve body, a fixed ring is installed on one side inside the valve body, the upper end of the fixed ring is communicated with the cavity, the fixed ring comprises a left half ring and a right half ring, a rotating side ring strip is rotatably connected to the side wall of the left half ring, a cleaning mechanism is connected to the side wall of the rotating side ring strip, and a first ring body and a second ring body are arranged inside the valve body. The invention not only reduces the labor capacity of workers and improves the working efficiency, but also improves the cleaning effect of the ball valve and the service life of the ball valve by the continuous rotation of the scraping strip, and simultaneously limits the valve core by the first ring body and the second ring body, so that the valve core is not influenced by the outside to generate deviation, and the sealing property of the contact part of the valve seat and the valve core is also improved.

Description

Industrial ball valve

Technical Field

The invention mainly relates to the technical field of pipeline valves, in particular to an industrial ball valve.

Background

The ball valve is a valve in which an opening and closing member (ball) is driven by a valve rod and rotates around the axis of the ball valve, and can also be used for regulating and controlling fluid. Ball valves are widely used in petroleum refining, long-distance pipelines, chemical industry, paper making, pharmacy, water conservancy, electric power, municipal administration, steel and other industries. The ball valve is mainly used for cutting off, distributing and changing the flow direction of a medium in a pipeline, and can be closed tightly only by rotating 90 degrees and a small rotating moment.

The cleanliness factor of circulation medium is difficult to the strict control in the ball valve, therefore the ball valve is after long-term the use, more impurity and dirt can adhere to on its inner wall, not only can multiply the bacterium in the ball valve is inside, still can influence ball valve pipeline flow, still can lead to the ball valve inner wall to rust simultaneously, influence the life of ball valve, therefore, need the staff to close the rivers to it, and dismantle the washing, its complex operation, it is troublesome to use, seriously influence work efficiency, and industrial ball valve is when actually carrying out the use, often be located inside the mill, the inside machine of mill is numerous, the vibrations that produce are great, can lead to the fact the influence to the ball valve, make its inside valve rod and case take place to deflect, in case produce the deflection, the case can be impaired under the impact of medium, lead to the ball valve damage, can's unable use.

Disclosure of Invention

The invention mainly provides an industrial ball valve which is used for solving the technical problems in the background technology.

The technical scheme adopted by the invention for solving the technical problems is as follows:

an industrial ball valve comprises a ball valve body, wherein the ball valve body comprises a valve body, a valve seat, a valve core and a valve rod, a driving mechanism is mounted on the valve rod, an air supply mechanism is arranged at the upper end of the valve body, a cavity connected with the air supply mechanism is arranged inside the valve body, a wheel disc is rotatably mounted inside the cavity, a coil spring is arranged inside the wheel disc, an air hose is wound on the wheel disc, a fixed ring is mounted on one side inside the valve body, and the upper end of the fixed ring is communicated with the cavity; the fixed ring comprises a left half ring and a right half ring, the left half ring and the right half ring are internally provided with a ring groove block, the inner side wall of the ring groove block is provided with a rotating inner ring strip in a sliding manner, the cross section of the rotating inner ring strip is T-shaped, the inner side wall of the rotating inner ring strip is positioned outside the fixed ring, the center of the inside of the rotating inner ring strip is provided with a shaft lever, a connecting rod is connected between the shaft lever and the rotating inner ring strip, one side of the shaft lever is provided with a rotating paddle, the outer side wall of the rotating inner ring strip is connected with a pushing block, the outer side wall of the ring groove block is provided with a moving slide block with a T-shaped cross section in a sliding manner, the upper end of the moving slide block is positioned between the two ring groove blocks, the upper end of the moving slide block is provided with a through hole, a moving stop strip is arranged in the through hole, the upper end of the inside of each ring groove block is provided with an arc-shaped stop block, and the left half ring strip is rotatably connected with a rotating side ring strip, the cleaning device comprises a rotating side ring strip, a moving sliding block, a cleaning mechanism, a piston block, an air bag, a moving strip, a corrosion-resistant adhesive tape and a scraping strip, wherein the rotating side ring strip is connected with the moving sliding block, the side wall of the rotating side ring strip is connected with the cleaning mechanism, the cleaning mechanism comprises a fixing strip connected with the rotating side ring strip, the piston block slides inside the fixing strip, the air bag is arranged on one side, facing the rotating side ring strip, of the piston block, the other side of the piston block is connected with the moving strip capable of sliding out of the fixing strip, one side of the moving strip is connected with the corrosion-resistant adhesive tape, and the other side, facing the inner wall of the valve body, of the corrosion-resistant adhesive tape and one side, facing the fixing strip, of the valve body are both connected with the scraping strip; the valve body is internally provided with a first ring body and a second ring body, a positioning rod is connected between the first ring body and the second ring body, openings are formed in one sides of the first ring body and the second ring body, the first ring body slides on the fixing strip through the openings, clamping grooves are formed in two sides of the moving strip, clamping blocks slide in the clamping grooves and are installed at the opening of the second ring body, limiting blocks are installed on the clamping grooves, and corrosion-resistant ropes are connected between the side wall of the fixing strip and the side wall of the first ring body.

Preferably, actuating mechanism includes the solid fixed ring cover of being connected with valve rod lateral wall top, gu fixed ring cover one side is equipped with the breach, and the inside rotation of breach installs the thread bush, the inside threaded connection of thread bush has the screw rod, the valve rod upper end is rotated and is connected with the swivel cap, the swivel cap upper end is connected with the rotatory handle of integral type, swivel cap lower extreme one side is equipped with the joint groove with the screw rod adaptation.

Preferably, air feed mechanism include with valve rod sliding connection's shift ring cover from top to bottom, shift ring cover one side is equipped with interconnect's mounting box, exhaust special-shaped pipe and air inlet arc pipe, the inside one side of mounting box slides from top to bottom has arc extrusion piece, arc extrusion piece and shift ring cover pass through the connecting rod and connect, just be equipped with gliding spout from top to bottom of confession connecting rod on the mounting box lateral wall, arc extrusion piece lower extreme is equipped with the gyro wheel, the inside slip of exhaust special-shaped pipe has piston baffle, piston baffle is connected with a plurality of expanding spring towards arc extrusion piece one side and exhaust special-shaped pipe inside wall between, and is a plurality of expanding spring center is equipped with the dead lever of being connected with piston baffle, the gyro wheel rotates and installs inside the dead lever other end.

Preferably, the pushing block slides inside the circular ring groove block on the right half ring, the pushing block is not in contact with the arc-shaped stop block, the moving stop strip can slide inside the two circular ring groove blocks, the arc side surfaces of the two arc-shaped stop blocks face the moving slide block, and two ends of the moving stop strip are both hemispherical.

Preferably, an extrusion spring is connected between the other side of the piston block and the inner wall of the fixing strip.

Preferably, the lower end of the air inlet arc pipe is connected with an integrated contracting pipe, the other end of the contracting pipe extends into the cavity and is provided with a sealing plate cover, the air hose penetrates through the sealing plate cover and is fixedly connected with the sealing plate cover, the other end of the air hose penetrates through the rotating side ring strip and the moving sliding block and is connected with the air bag, and the air hose is fixedly connected with the rotating side ring strip.

Preferably, when the corrosion-resistant rope is straightened, the first ring body and the second ring body are respectively positioned at two contact positions of the valve seat and the valve core.

Compared with the prior art, the invention has the beneficial effects that:

(1) the invention adopts the fixed ring, utilizes the power of medium flowing in the valve body and the tension of the coil spring to lead the movable slide block to drive the rotating side ring strip to continuously rotate back and forth, thereby leading the cleaning mechanism to continuously rotate back and forth and continuously clean the inner walls of the valve body and the valve core, not only needing no manual operation, reducing the labor amount of workers and improving the working efficiency, but also continuously cleaning the dirt attached on the inner walls of the valve body and the valve core through continuous rotation, ensuring the removal of the dirt, preventing the generation of new dirt, preventing the inner walls of the valve body and the valve core from rusting, and improving the service life of the ball valve while improving the cleaning effect;

(2) the cleaning mechanism is adopted, the air bag is inflated by air, the piston block is pushed to move, the moving strip moves, the limiting block is contacted with the clamping block along with the movement of the moving strip, the second ring body is driven to move by the movement of the moving strip, the first ring body moves along with the positioning rod, when the moving strip moves to the maximum moving distance, the inner walls of the valve body and the valve core are covered by the scraping strip, the corrosion-resistant rope is straightened, the first ring body and the second ring body are respectively positioned at two contact positions of the valve seat and the valve core, the cleaning is not limited in the valve body or the valve core, the valve core is limited by the first ring body and the second ring body while the cleaning comprehensiveness is improved, the valve core is prevented from being influenced by the outside and deviating, and the sealing performance of the contact position of the valve seat and the valve core is improved;

(3) after the valve core is opened, the screw rod continuously moves downwards to push the movable ring sleeve to move, the movable ring sleeve drives the arc extrusion block to move downwards through the connecting rod, so that the arc extrusion block pushes the roller to move through extrusion, the roller enables the piston baffle to move through the fixed rod, air in the special exhaust pipe enters the air hose through the air inlet arc pipe due to the movement of the piston baffle, the air hose conveys air, the air bag is inflated by air, the piston block is pushed to move along with the continuous expansion of the air bag, the movable strip moves until the movable strip moves to the maximum moving distance, the movable strip in the fixed strip slides out, the scraping strip covers the valve body and the inner wall of the valve core, the movable strip slides out of the fixed strip after the valve core is opened, the movable strip is recycled into the fixed strip before the valve core is closed, the opening and closing of the valve core cannot be influenced, and the air supply mechanism is used by utilizing the force of the starting driving mechanism, the device is more convenient to operate, and when the valve core is opened, the inner wall of the valve body or the inner wall of the valve core can be cleaned by sliding the movable strip, so that the cleaning comprehensiveness is improved;

(4) according to the invention, the driving mechanism is adopted, no matter the valve core is opened or closed, the screw rod firstly enters the clamping groove, the rotating handle can control the valve rod to rotate, after the valve is opened or closed, the screw rod is separated from the clamping groove, the rotating handle can not control the valve rod to rotate, and the phenomenon that the rotating handle is touched by mistake due to external factors, so that the valve rod rotates to change the working state of the ball valve, and the accident is caused can be effectively avoided.

The present invention will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a side view of the air supply mechanism of the present invention;

FIG. 4 is an exploded view of the drive mechanism of the present invention;

FIG. 5 is a perspective view of a stationary ring of the present invention;

FIG. 6 is an exploded view of the stationary ring of the present invention;

FIG. 7 is a partial view of the retaining ring of the present invention;

FIG. 8 is a perspective view of the sweeping mechanism of the present invention;

FIG. 9 is an enlarged view taken at A of FIG. 8 in accordance with the present invention;

fig. 10 is a partial structural schematic view of the cleaning mechanism of the present invention.

Description of the drawings:

1. a ball valve body; 101. a valve body; 102. a valve seat; 103. a valve core; 104. a valve stem;

2. a drive mechanism; 201. fixing the loop; 202. a threaded sleeve; 203. a screw; 204. rotating the cover; 205. rotating the handle; 206. a clamping groove;

3. an air supply mechanism; 301. moving the loop; 302. mounting a box; 303. an exhaust special-shaped pipe; 304. an air inlet arc tube; 305. an arc-shaped extrusion block; 306. a roller; 307. a piston baffle; 308. a tension spring; 309. fixing the rod; 310. pipe shrinking; 311. a seal plate cover;

4. a cavity; 401. a wheel disc; 402. an air hose;

5. fixing the circular ring; 501. a left half ring; 502. a right half ring; 503. a circular ring groove block; 504. rotating the inner ring strip; 505. a shaft lever; 506. a connecting rod; 507. rotating the paddle; 508. a pushing block; 509. moving the slide block; 510. moving the stop bar; 511. an arc-shaped stop block; 512. rotating the side ring strip;

6. a cleaning mechanism; 601. a fixing strip; 602. a piston block; 603. an air bag; 604. a compression spring; 605. a moving bar; 606. a corrosion-resistant adhesive tape; 607. scraping the strips; 608. a first ring body; 609. a second ring body; 610. a card slot; 611. a clamping block; 612. a corrosion resistant rope; 613. positioning a rod; 614. and a limiting block.

Detailed Description

In order to facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1, 2 and 4, the present invention provides a technical solution: the utility model provides an industrial ball valve, includes ball valve body 1, ball valve body 1 includes valve body 101, disk seat 102, case 103 and valve rod 104, install actuating mechanism 2 on the valve rod 104, actuating mechanism 2 includes the fixed ring cover 201 of being connected with valve rod 104 lateral wall top, fixed ring cover 201 one side is equipped with the breach, and the breach internal rotation installs thread bush 202, the internal thread of thread bush 202 is connected with screw rod 203, valve rod 104 upper end is rotated and is connected with rotatory lid 204, rotatory lid 204 upper end is connected with the rotatory handle 205 of integral type, rotatory lid 204 lower extreme one side is equipped with the joint groove 206 with screw rod 203 adaptation. When the staff uses, firstly rub the threaded sleeve 202 through fingers, make the threaded sleeve 202 rotate, let the screw 203 shift up until the screw 203 enters the joint groove 206, then, rotate the rotation handle 205, make the valve rod 104 rotatory through the rotating cover 204, let the case 103 open, after the case 103 is opened, the contrarotation threaded sleeve 202 for the screw 203 moves down, breaks away from the joint groove 206, and let the screw 203 constantly move down, promote to move the ring cover 301 and move. No matter open or close case 103, all will make screw rod 203 get into joint groove 206 earlier for rotatory handle 205 can control valve rod 104 and rotate, after the switch, lets screw rod 203 break away from joint groove 206, makes rotatory handle 205 unable control valve rod 104 rotate, can effectively avoid leading to the mistake to touch rotatory handle 205 because of external factors, makes valve rod 104 rotate the operating condition who changes the ball valve, leads to the emergence of unexpected condition.

Referring to fig. 1-3 again, the upper end of the valve body 101 is provided with an air supply mechanism 3, the air supply mechanism 3 includes a movable ring 301 connected with the valve rod 104 in a sliding manner, one side of the movable ring sleeve 301 is provided with a mounting box 302, an exhaust special pipe 303 and an air inlet arc pipe 304 which are connected with each other, an arc-shaped extrusion block 305 slides up and down on one side in the mounting box 302, the arc-shaped extrusion block 305 is connected with the movable ring sleeve 301 through a connecting rod, and the side wall of the mounting box 302 is provided with a sliding groove for the connecting rod to slide up and down, the lower end of the arc-shaped extrusion block 305 is provided with a roller 306, a piston baffle plate 307 slides in the exhaust special-shaped pipe 303, a plurality of telescopic springs 308 are connected between one side of the piston baffle plate 307, which faces the arc-shaped extrusion block 305, and the inner side wall of the exhaust special-shaped pipe 303, a fixing rod 309 connected with the piston baffle plate 307 is arranged at the center of the plurality of telescopic springs 308, and the roller 306 is rotatably installed in the other end of the fixing rod 309. After the valve core 103 is opened, the screw 203 can be moved downwards continuously to push the moving ring sleeve 301 to move, the moving ring sleeve 301 drives the arc-shaped extrusion block 305 to move downwards through the connecting rod, so that the arc-shaped extrusion block 305 pushes the roller 306 to move through extrusion, the roller 306 enables the piston baffle 307 to move through the fixed rod 309, and due to the movement of the piston baffle 307, air inside the exhaust special-shaped pipe 303 enters the air hose 402 through the air inlet arc pipe 304.

Please refer to fig. 1-5, a cavity 4 connected to the air supply mechanism 3 is disposed inside the valve body 101, a wheel disc 401 is rotatably mounted inside the cavity 4, a coil spring is disposed inside the wheel disc 401, an air hose 402 is wound around the wheel disc 401, the air hose 402 can be stretched and pulled, the lower end of the air inlet arc pipe 304 is connected to an integrated contracting pipe 310, the other end of the contracting pipe 310 extends into the cavity 4 and is provided with a sealing plate cover 311, the air hose 402 penetrates through the sealing plate cover 311 and is fixedly connected to the sealing plate cover 311, and the sealing plate cover 311 separates the air hose, so that a medium inside the ball valve body 1 can be prevented from leaking through the cavity 4. The other end of the air hose 402 penetrates through the rotating side ring strip 512 and the moving sliding block 509 and is connected with the air bag 603, the air hose 402 is fixedly connected with the rotating side ring strip 512, and the moving sliding block 509 can be driven to move by dragging the air hose 402.

Please refer to fig. 2, 5, 6 and 7, a fixed ring 5 is installed on one side inside the valve body 101, the upper end of the fixed ring 5 is communicated with the cavity 4, the fixed ring 5 includes a left half ring 501 and a right half ring 502, a ring groove block 503 is installed inside both the left half ring 501 and the right half ring 502, a rotating inner ring strip 504 is slid on the inner side wall of the ring groove block 503, the cross section of the rotating inner ring strip 504 is "T" shaped, the inner side wall of the rotating inner ring strip 504 is located outside the fixed ring 5, a shaft rod 505 is installed at the center inside of the rotating inner ring strip 504, a connecting rod 506 is connected between the shaft rod 505 and the rotating inner ring strip 504, a rotating paddle 507 is installed on one side of the shaft rod 505, a pushing block 508 is connected on the outer side wall of the rotating inner ring strip 504, a moving slider 509 with a cross section of "T" shape is slid on the outer side wall of the ring groove block 503, and the upper end of the moving slider 509 is located between the two ring groove blocks 503, the upper end of the movable sliding block 509 is provided with a through hole, a movable stop bar 510 is arranged in the through hole, the upper end inside each circular ring groove block 503 is provided with an arc-shaped stop block 511, the side wall of the left half ring 501 is rotatably connected with a rotating side ring bar 512, and the rotating side ring bar 512 is connected with the movable sliding block 509. Under the influence of the medium flow in the ball valve body 1, the rotating paddle 507 rotates, the shaft 505 rotates along with the rotating inner ring 504, the pushing block 508 on the rotating inner ring 504 rotates along with the rotating inner ring 504, the pushing block 508 contacts with the moving stop bar 510 on the way of rotating and pushes the moving stop bar 510 to move, the moving slider 509 moves, the moving slider 509 drives the rotating side ring 512 to rotate in the forward direction, so that the sweeping mechanism 6 rotates in the forward direction, the air hose 402 is elongated, after the moving slider 509 rotates in the forward direction for one circle, the moving stop bar 510 contacts with the arc-shaped stop 511 on the top of the right half ring 502, the arc-shaped stop 511 moves the moving stop bar 510 by pressing, so that the moving half ring stop bar 510 leaves the circular ring groove block 503 on the right half ring 502 and enters the circular ring groove block 503 on the left half ring 501, and at this time, the pushing block 508 does not contact with the moving stop bar 510 any more, the movable sliding block 509 has no driving force, a coil spring arranged in the wheel disc 401 drags the stretched air hose 402 to reset, so that the movable sliding block 509 rotates reversely, the movable sliding block 509 drives the rotating side ring strip 512 to rotate reversely, so that the cleaning mechanism 6 rotates reversely, after the movable sliding block 509 rotates reversely for a circle, the movable blocking strip 510 contacts with the arc-shaped blocking block 511 at the top of the left half ring 501, the arc-shaped blocking block 511 presses the movable blocking strip 510, so that the movable blocking strip 510 leaves the ring groove block 503 of the left half ring 501 and enters the ring groove block 503 on the right half ring 502 to rotate normally, and the above steps are repeated, so that the movable sliding block 509 drives the rotating side ring strip 512 to rotate continuously back and forth, so that the cleaning mechanism 6 rotates back and forth continuously, the inner walls of the valve body 101 and the valve core 103 are cleaned continuously, and the cleaning is realized by the power of medium flowing inside the valve body 101, the ball valve has the advantages that manual operation is not needed, the labor amount of workers is reduced, the working efficiency is improved, dirt attached to the inner walls of the valve body 101 and the valve core 103 is continuously cleaned through continuous rotation, the dirt can be removed, new dirt can be prevented from being generated, the inner walls of the valve body 101 and the valve core 103 are prevented from rusting, the cleaning effect is improved, and meanwhile the service life of the ball valve is prolonged.

Referring to fig. 1-7, the pushing block 508 slides inside the circular ring slot 503 on the right half ring 502, the pushing block 508 does not contact the arc-shaped stopper 511, the moving stopper 510 can slide inside the two circular ring slot 503, the arc-shaped side surfaces of the two arc-shaped stoppers 511 face the moving slider 509, the two ends of the moving stopper 510 are both hemispherical, and the arc-shaped side surfaces of the arc-shaped stopper 511 contact the hemispherical end of the moving stopper 510, so as to better push the moving stopper 510 to move.

Please refer to fig. 2, 8, 9 and 10 again, the side wall of the rotating side ring strip 512 is connected with a cleaning mechanism 6, the cleaning mechanism 6 includes a fixing strip 601 connected with the rotating side ring strip 512, a piston block 602 slides inside the fixing strip 601, an air bag 603 is arranged on one side of the piston block 602 facing the rotating side ring strip 512, the other side of the piston block 602 is connected with a moving strip 605 capable of sliding out the fixing strip 601, one side of the moving strip 605 is connected with a corrosion-resistant adhesive tape 606, the other side of the corrosion-resistant adhesive tape 606 and one side of the fixing strip 601 facing the inner wall of the valve body 101 are both connected with a scraping strip 607, and an extrusion spring 604 is connected between the other side of the piston block 602 and the inner wall 601 of the fixing strip. The air hose 402 conveys air, so that the air bag 603 is inflated by air, the piston block 602 is pushed to move along with continuous expansion of the air bag 603, the moving strip 605 is made to move until the moving strip 605 moves to the maximum moving distance, because the corrosion-resistant rubber strip 606 has a certain compression and expansion effect, after the corrosion-resistant rubber strip 606 moves out of the fixing strip 601 along with the moving strip 605, the scraping strip 607 is pushed to move, so that the scraping strip 607 is attached to the inner walls of the valve body 101 and the valve core 103, because the fixing strip 601 and the moving strip 605 can be matched to realize expansion and contraction, when the valve core 103 is opened, the moving strip 605 in the fixing strip 601 slides out to cover the inner walls of the valve body 101 and the valve core 103, so that cleaning is not limited to the inside of the valve body 101 or the valve core 103, and the cleaning comprehensiveness is improved.

Please refer to fig. 2, 8, 9 and 10 again, a first ring 608 and a second ring 609 are disposed inside the valve body 101, a positioning rod 613 is connected between the first ring 608 and the second ring 609, an opening is disposed on one side of each of the first ring 608 and the second ring 609, the first ring 608 slides on the fixed bar 601 through the opening, a locking groove 610 is disposed on each of two sides of the movable bar 605, a locking block 611 slides inside the locking groove 610, the locking block 611 is mounted at the opening of the second ring 609, a limiting block 614 is mounted on the locking groove 610, a corrosion resistant rope 612 is connected between a side wall of the fixed bar 601 and a side wall of the first ring 608, and when the corrosion resistant rope 612 is straightened, the first ring 608 and the second ring 609 are respectively located at two contact positions of the valve seat 102 and the valve core 103. With the movement of the moving strip 605, the limiting block 614 is in contact with the clamping block 611, then the movement of the moving strip 605 drives the second ring body 609 to move, the first ring body 608 moves along with the positioning rod 613, when the moving strip 605 moves to the maximum moving distance, the corrosion-resistant rope 612 is straightened, the first ring body 608 and the second ring body 609 are respectively located at two contact positions of the valve seat 102 and the valve element 103, and due to the limiting of the first ring body 608 and the second ring body 609 on the valve element 103, the valve element 103 is prevented from being deflected by the influence of the outside, and the sealing performance of the contact positions of the valve seat 102 and the valve element 103 can be improved.

The specific operation flow of the invention is as follows:

when the ball valve body 1 is opened by a worker, firstly, the threaded sleeve 202 is rubbed by fingers, the threaded sleeve 202 is rotated, the screw rod 203 is moved upwards until the screw rod 203 enters the clamping groove 206, then, the rotating handle 205 is rotated, the valve rod 104 is rotated through the rotating cover 204, the valve core 103 is opened, after the valve core 103 is completely opened, the threaded sleeve 202 is rotated reversely, the screw rod 203 is moved downwards to be separated from the clamping groove 206, the screw rod 203 is moved downwards continuously to push the moving ring sleeve 301 to move, the moving ring sleeve 301 drives the arc-shaped extrusion block 305 to move downwards through the connecting rod, the arc-shaped extrusion block 305 pushes the roller 306 to move through the extrusion, the roller 306 makes the piston baffle 307 move through the fixed rod 309, because the piston baffle 307 moves, the air inside the exhaust special-shaped pipe 303 enters the air hose 402 through the air inlet arc pipe 304, the air bag 603 is inflated, and along with the continuous inflation of the air bag 603, the piston block 602 is pushed to move, so that the moving strip 605 moves, the limiting block 614 is contacted with the clamping block 611 along with the movement of the moving strip 605, then the moving strip 605 drives the second ring 609 to move, the first ring 608 is moved along with the positioning rod 613, when the moving strip 605 moves to the maximum moving distance, the corrosion-resistant rope 612 is straightened, the first ring 608 and the second ring 609 are respectively located at two contact positions of the valve seat 102 and the valve core 103, after the corrosion-resistant rubber strip 606 moves out of the fixed strip 601 along with the moving strip 605, the scraping strip 607 is pushed to move, so that the scraping strip 607 is attached to the valve body 101 and the inner wall of the valve core 103, under the influence of the medium flow inside the ball valve body 1, the rotating paddle 507 rotates, the shaft rod 505 rotates along with the rotating inner ring 504, the rotating inner ring 504 rotates through the connecting rod 506, and the pushing block 508 on the rotating inner ring 504 rotates along with the rotating inner ring 504, on the way that the pushing block 508 rotates, the pushing block 508 is contacted with the moving stop bar 510 and pushes the moving stop bar 510 to move, so that the moving slide block 509 moves, the moving slide block 509 drives the rotating side ring bar 512 to rotate forward, so that the sweeping mechanism 6 rotates forward, the air hose 402 is stretched, after the moving slide block 509 rotates forward for one circle, the moving stop bar 510 is contacted with the arc stop block 511 at the top of the right half ring 502, the arc stop block 511 presses the moving stop bar 510, so that the moving stop bar 510 leaves the ring groove block 503 on the right half ring 502 and enters the ring groove block 503 of the left half ring 501, at this time, the pushing block 508 is not contacted with the moving stop bar 510 any more, the moving slide block 509 has no pushing force, the coil spring arranged in the wheel disc 401 drags the stretched air hose 402 to reset, so that the moving slide block 509 rotates in the reverse direction, the moving slide block 509 drives the rotating side ring bar 512 to rotate in the reverse direction, so that the sweeping mechanism 6 rotates in the reverse direction, after the moving slide 509 rotates in the reverse direction for a circle, the moving stop bar 510 contacts with the arc stop block 511 at the top of the left half ring 501, and the arc stop block 511 moves the moving stop bar 510 by squeezing, so that the moving stop bar 510 leaves the circular groove block 503 of the left half ring 501 and enters the circular groove block 503 on the right half ring 502 to rotate in the forward direction.

The invention is described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the above-described embodiments, and it is within the scope of the invention to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.

Claims

1. An industrial ball valve, includes ball valve body (1), its characterized in that: the ball valve comprises a ball valve body (1) and is characterized in that the ball valve body (1) comprises a valve body (101), a valve seat (102), a valve core (103) and a valve rod (104), a driving mechanism (2) is installed on the valve rod (104), an air supply mechanism (3) is arranged at the upper end of the valve body (101), a cavity (4) connected with the air supply mechanism (3) is arranged inside the valve body (101), a wheel disc (401) is rotatably installed inside the cavity (4), a coil spring is arranged inside the wheel disc (401), an air hose (402) is wound on the wheel disc (401), a fixed ring (5) is installed on one side inside the valve body (101), and the upper end of the fixed ring (5) is communicated with the cavity (4);

the fixed ring (5) comprises a left half ring (501) and a right half ring (502), the left half ring (501) and the right half ring (502) are internally provided with a ring groove block (503), the inner side wall of the ring groove block (503) is provided with a rotating inner ring strip (504) in a sliding manner, the cross section of the rotating inner ring strip (504) is T-shaped, the inner side wall of the rotating inner ring strip (504) is positioned outside the fixed ring (5), the center inside the rotating inner ring strip (504) is provided with a shaft lever (505), a connecting rod (506) is connected between the shaft lever (505) and the rotating inner ring strip (504), one side of the shaft lever (505) is provided with a rotating paddle (507), the outer side wall of the rotating inner ring strip (504) is connected with a pushing block (508), the outer side wall of the ring groove block (503) is provided with a moving slide block (509) with a T-shaped cross section in a sliding manner, and the upper end of the moving slide block (509) is positioned between the two ring groove blocks (503), the upper end of the movable sliding block (509) is provided with a through hole, a movable stopping strip (510) is arranged in the through hole, the upper end of the inner part of each circular ring groove block (503) is provided with an arc-shaped stopping block (511), the side wall of the left half ring (501) is rotatably connected with a rotating side ring strip (512), the rotating side ring strip (512) is connected with the movable sliding block (509),

the side wall of the rotating side ring strip (512) is connected with a cleaning mechanism (6), the cleaning mechanism (6) comprises a fixing strip (601) connected with the rotating side ring strip (512), a piston block (602) slides in the fixing strip (601), an air bag (603) is arranged on one side, facing the rotating side ring strip (512), of the piston block (602), the other side of the piston block (602) is connected with a moving strip (605) capable of sliding out of the fixing strip (601), one side of the moving strip (605) is connected with a corrosion-resistant adhesive tape (606), and the other side of the corrosion-resistant adhesive tape (606) and one side, facing the inner wall of the valve body (101), of the fixing strip (601) are connected with a scraping strip (607);

the anti-corrosion valve is characterized in that a first ring body (608) and a second ring body (609) are arranged inside the valve body (101), a positioning rod (613) is connected between the first ring body (608) and the second ring body (609), openings are formed in one sides of the first ring body (608) and the second ring body (609), the first ring body (608) slides on the fixing strip (601) through the openings, clamping grooves (610) are formed in two sides of the moving strip (605), a clamping block (611) slides inside the clamping groove (610), the clamping block (611) is installed at the opening of the second ring body (609), a limiting block (614) is installed on the clamping groove (610), and a corrosion-resistant rope (612) is connected between the side wall of the fixing strip (601) and the side wall of the first ring body (608).

2. An industrial ball valve as claimed in claim 1 wherein: actuating mechanism (2) include solid fixed ring cover (201) of being connected with valve rod (104) lateral wall top, gu fixed ring cover (201) one side is equipped with the breach, and breach internal rotation installs thread bush (202), thread bush (202) internal thread is connected with screw rod (203), valve rod (104) upper end is rotated and is connected with rotatory lid (204), rotatory lid (204) upper end is connected with rotatory handle (205) of integral type, rotatory lid (204) lower extreme one side is equipped with joint groove (206) with screw rod (203) adaptation.

3. An industrial ball valve as claimed in claim 2 wherein: the gas supply mechanism (3) comprises a moving ring sleeve (301) which is connected with a valve rod (104) in a vertical sliding manner, one side of the moving ring sleeve (301) is provided with a mounting box (302), an exhaust special-shaped pipe (303) and a gas inlet arc pipe (304) which are connected with each other, one side of the inside of the mounting box (302) slides up and down to form an arc extrusion block (305), the arc extrusion block (305) and the moving ring sleeve (301) are connected through a connecting rod, a sliding groove which is used for the connecting rod to slide up and down is arranged on the side wall of the mounting box (302), the lower end of the arc extrusion block (305) is provided with a roller (306), the inside of the exhaust special-shaped pipe (303) slides to form a piston baffle plate (307), the piston baffle plate (307) is connected with a plurality of telescopic springs (308) towards one side of the arc extrusion block (305) and the inner side wall of the exhaust special-shaped pipe (303), and the center of the telescopic springs (308) is provided with a fixing rod (309) connected with the piston baffle plate (307), the roller (306) is rotatably arranged inside the other end of the fixing rod (309).

4. An industrial ball valve as claimed in claim 1 wherein: the pushing block (508) slides inside the circular ring groove blocks (503) on the right half ring (502), the pushing block (508) is not in contact with the arc-shaped stop blocks (511), the moving stop bars (510) can slide inside the two circular ring groove blocks (503), the arc side surfaces of the two arc-shaped stop blocks (511) face the moving slide block (509), and two ends of the moving stop bars (510) are both hemispherical.

5. An industrial ball valve as claimed in claim 1 wherein: an extrusion spring (604) is connected between the other side of the piston block (602) and the inner wall of the fixing strip (601).

6. An industrial ball valve as claimed in claim 3 wherein: the air inlet arc pipe (304) lower extreme is connected with the reducing pipe (310) of integral type, reducing pipe (310) other end extends into cavity (4) inside and installs sealing plate cover (311), air hose (402) run through sealing plate cover (311) and with sealing plate cover (311) fixed connection, air hose (402) other end runs through rotation side girth (512) and removal slider (509) to be connected with gasbag (603), air hose (402) and rotation side girth (512) fixed connection.

7. An industrial ball valve as claimed in claim 1 wherein: when the corrosion-resistant rope (612) is straightened, the first ring body (608) and the second ring body (609) are respectively positioned at two contact positions of a valve seat (102) and a valve core (103).