CN111271478A - Control method for bidirectional closing structure of valve - Google Patents
Control method for bidirectional closing structure of valve Download PDFInfo
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- CN111271478A CN111271478A CN202010178634.1A CN202010178634A CN111271478A CN 111271478 A CN111271478 A CN 111271478A CN 202010178634 A CN202010178634 A CN 202010178634A CN 111271478 A CN111271478 A CN 111271478A
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- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 238000007789 sealing Methods 0.000 claims description 48
- 239000007788 liquid Substances 0.000 claims description 43
- 208000002925 dental caries Diseases 0.000 claims description 15
- 238000004140 cleaning Methods 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 2
- 101100520231 Caenorhabditis elegans plc-3 gene Proteins 0.000 description 6
- 239000012535 impurity Substances 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0281—Guillotine or blade-type valves, e.g. no passage through the valve member
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
- B01D35/04—Plug, tap, or cock filters filtering elements mounted in or on a faucet
- B01D35/046—Plug, tap, or cock filters filtering elements mounted in or on a faucet the filtering element being mounted in the faucet plug
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0209—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor the valve having a particular passage, e.g. provided with a filter, throttle or safety device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0227—Packings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/029—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with two or more gates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/047—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention discloses a bidirectional closing structure for a valve, and relates to the technical field of control valves. The valve comprises a valve body, wherein a rectangular block is fixedly connected at the center of the valve body, a PLC (programmable logic controller) is fixedly connected with the top surface of the rectangular block, three connecting arms are respectively and fixedly connected to the side surface of one side of the valve body through screws, one ends, far away from the valve body, of the three connecting arms are respectively and fixedly connected with a water inlet pipe through screws, and a rotating device is rotatably connected to the inner surface of the water inlet pipe.
Description
Technical Field
The invention relates to the technical field of control valves, in particular to a control method for a bidirectional closing structure of a valve.
Background
The valve is a control part in a fluid conveying system, is mainly connected through a flange, can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like, and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like; the valve can be divided into a shut-off valve, a check valve, a regulating valve and a vacuum valve according to the function, and different control requirements of a pipeline system can be met.
The driving mode that current valve body adopted mainly is manual and electronic, realizes opening and closing of valve through the motion of the inside mechanical parts of valve body, and the mechanical parts of single drive have following defect: 1. once a single internal mechanical part is damaged, the internal structure of the valve cannot be driven, so that the control function of the valve fails; 2. when the existing valve conveys liquid with more impurities, the interior of the valve is easy to block, and the valve needs to be cleaned and maintained regularly, a single circulation structure in the valve cannot work any more and can be cleaned at the same time, and the valve needs to be detached independently during cleaning, so that uninterrupted conveying work cannot be met; to this end, it is a technical problem to be solved by those skilled in the art to develop a bidirectional valve closing structure for solving the above problems.
Disclosure of Invention
In view of the deficiencies of the prior art, the present invention provides a bi-directional closing structure for a valve that solves the problems set forth in the background art above.
In order to achieve the purpose, the invention is realized by the following technical scheme: the bidirectional closing structure for the valve comprises a valve body, wherein a rectangular block is fixedly connected to the center of the valve body, a PLC (programmable logic controller) is fixedly connected to the top surface of the rectangular block, three connecting arms are respectively and fixedly connected to the side surface of the periphery of one side of the valve body through screws, one ends, away from the valve body, of the three connecting arms are fixedly connected with a water inlet pipe through screws, the inner surface of the water inlet pipe is rotatably connected with a rotating device, the side surface of the periphery, away from the water inlet pipe, of the rotating device is rotatably connected with the inner surface;
the rectangular block both sides have all been seted up the spout, spout internal surface sliding connection has the closing plate, two confluence cavitys have been seted up to valve body inside.
Further, the side face of the circumference of the rotating device is fixedly connected with annular teeth, the side face of the circumference of the water inlet pipe is fixedly connected with a driving motor, the output end of the PLC is electrically connected with the input end of the driving motor through an electric wire, and the output shaft of the driving motor is fixedly connected with a driving gear.
Further, the peripheral side face of the driving gear is in transmission connection with the peripheral side face of the annular gear, the reduction ratio of the annular gear to the driving gear is twenty-to-one, and the peripheral side face teeth of the annular gear and the driving gear are oblique teeth.
Furthermore, the two sides of the rectangular block are fixedly connected with fixing plates through screws, the fixing plates are far away from the center of the side wall of the rectangular block and are fixedly connected with threaded sleeves, the inner surface of each threaded sleeve is in threaded connection with a lead screw, one end of each lead screw extends into the corresponding sliding groove, and the lead screw is located at one end inside the corresponding sliding groove and is rotatably connected with the sealing plate through a bearing.
Further, the lead screw is kept away from rectangular block one end fixedly connected with connecting block, eight the even fixedly connected with spokes of connecting block week side, eight the spoke is kept away from the rotatory ring of the equal fixedly connected with of connecting block one end, two the relative lateral wall of closing plate is the first sealing strip of fixedly connected with respectively, the closing plate is close to bearing one side week side and has inlayed the second sealing strip in the side, second sealing strip week side and spout internal surface sliding connection.
Further, the rotating device is close to the first slide rail of valve body one side week side fixedly connected with, the side of rotating device week is connected with the valve body internal surface rotation through first slide rail, the rotating device is close to the second slide rail of inlet tube one side week side fixedly connected with, the side of rotating device week is connected with the inlet tube internal surface rotation through the second slide rail.
Furthermore, two shunting cavities, two shunting cavity head ends are fused and communicated with the water inlet pipe, two shunting cavity tail ends are communicated with two confluence cavities respectively, a check block is fixedly connected to the inner surface of one end of the shunting cavity, a conical groove is formed in the position, close to the axis of the side wall of the valve body, of the check block, and a filter plate is fixedly connected to one side of the larger opening of the conical groove.
Furthermore, the baffle block is far away from two connecting rods fixedly connected with the side wall of the water inlet pipe, two connecting rods are fixedly connected with cones at one ends, and the axial direction of each cone coincides with the axial direction of each conical groove.
Furthermore, the dog keeps away from inlet tube lateral wall fixedly connected with connecting axle, connecting axle center department and bell jar intercommunication, the dog lateral wall rotates through the connecting axle and is connected with eccentric nozzle, eccentric nozzle passes through connecting axle and bell jar intercommunication.
Furthermore, the inner surfaces of the two confluence cavities are respectively communicated with the two chutes, and the tail ends of the two confluence cavities are fused and communicated with the water outlet pipe.
The invention has the following beneficial effects:
1. this a two-way closed structure for valve, be close to the quick closure who realizes the valve body through two closing plates each other, shorten the closure and realize, under the unable normal pivoted condition of single lead screw, the normal closure of valve body is realized to the rotatory ring of rotatable opposite side, under the extreme condition that two lead screws all damaged, usable driving motor drives the rotatory ninety degrees of rotary device, the reposition of redundant personnel cavity cuts off the open structure with the separation of confluence cavity, realize the closure of valve body, avoid valve control function to become invalid, compare with current valve, can improve the stability of valve work.
2. This a two-way closed structure for valve, it is rotatory regularly to drive rotary device through driving motor, can realize that reposition of redundant personnel cavity and confluence cavity alternate each other, utilize the bell jar to make the velocity of flow of liquid increase, thereby realize the cleanness to confluence cavity inner wall, the revolution mechanic of rotary device is deuterogamied, can realize two confluence cavity inner walls clean in turn, compare with current valve, it is clean to carry out the inner wall when carrying liquid, prevent that the valve is inside to block up, incessant transport work demand has been satisfied simultaneously.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a bi-directional closing structure for a valve according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B;
FIG. 4 is an internal structure view of a valve body in a vertical plane in the axial direction;
FIG. 5 is a schematic view of the internal structure of the valve body in a horizontal plane in the axial direction;
FIG. 6 is a schematic view of the sealing plate;
FIG. 7 is a schematic structural view of a rotating device;
FIG. 8 is a schematic view of the internal structure of a rotary device according to an embodiment;
fig. 9 is a schematic view of the internal structure of the rotating apparatus according to the second embodiment.
In the drawings, the components represented by the respective reference numerals are listed below:
in the figure: 1-valve body, 2-rectangular block, 3-PLC controller, 4-connecting arm, 5-water inlet pipe, 6-water outlet pipe, 7-rotating device, 8-annular tooth, 9-driving motor, 10-driving gear, 11-sliding chute, 12-sealing plate, 13-bearing, 14-screw rod, 15-connecting block, 16-spoke, 17-rotating ring, 18-fixing plate, 19-thread sleeve, 20-first sealing strip, 21-second sealing strip, 22-confluence cavity, 23-first sliding rail, 24-second sliding rail, 25-diversion cavity, 26-stop block, 27-conical groove, 28-filter plate, 29-connecting rod, 30-cone, 31-connecting shaft and 32-eccentric nozzle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-8, the present invention provides a technical solution: the bidirectional closing structure for the valve comprises a valve body 1, wherein a rectangular block 2 is fixedly connected to the center of the valve body 1, a 6ED1052-1HB08-0BA0 type PLC 3 is fixedly connected to the top surface of the rectangular block 2, three connecting arms 4 are respectively and fixedly connected to the peripheral side surface of one side of the valve body 1 through screws, one ends, far away from the valve body 1, of the three connecting arms 4 are respectively and fixedly connected with a water inlet pipe 5 through screws, a rotating device 7 is rotatably connected to the inner surface of the water inlet pipe 5, the peripheral side surface, far away from the water inlet pipe 5, of the rotating device 7 is rotatably connected with the inner surface of; the PLC 3 is used for circuit control of the whole valve body 1 and receives a control signal through an RS-458 interface;
Wherein, the circumferential side of the rotating device 7 is fixedly connected with an annular tooth 8, the circumferential side of the water inlet pipe 5 is fixedly connected with a Z62DPN2460-30S type driving motor 9, the output end of the PLC 3 is electrically connected with the input end of the driving motor 9 through an electric wire, and the output shaft of the driving motor 9 is fixedly connected with a driving gear 10; the driving motor is a brushless direct current speed reducer.
Wherein, the side of the circumference of the driving gear 10 is connected with the side of the circumference of the ring-shaped gear 8 in a transmission way, the reduction ratio of the ring-shaped gear 8 to the driving gear 10 is twenty-one, the reduction transmission mechanism of the ring-shaped gear 8 to the driving gear 10 can make the small torque of the driving motor 9 drive the rotation of the rotating device 7, and simultaneously can improve the accuracy of the rotating device 7 in rotation, the side teeth of the ring-shaped gear 8 and the driving gear 10 are oblique teeth, and the oblique teeth can improve the durability of the ring-shaped gear 8 and the driving gear 10, and simultaneously reduce the noise in transmission.
The two sides of the rectangular block 2 are fixedly connected with fixing plates 18 through screws, the fixing plates 18 are fixedly connected with threaded sleeves 19 far away from the center of the side walls of the rectangular block 2, the inner surfaces of the threaded sleeves 19 are in threaded connection with screw rods 14, one ends of the screw rods 14 extend into the sliding grooves 11, and the ends, located inside the sliding grooves 11, of the screw rods 14 are rotatably connected with the sealing plates 12 through bearings 13; lead screw 14 keeps away from 2 one end fixedly connected with connecting blocks 15 of rectangular block, the even eight spokes 16 of fixedly connected with of connecting blocks 15 all sides, eight spokes 16 keep away from the equal fixedly connected with rotating ring 17 of connecting blocks 15 one end, two closing plate 12 relative lateral walls are the first sealing strip 20 of fixedly connected with respectively, closing plate 12 is close to bearing 13 a lateral wall and inlays in the side, second sealing strip 21 all sides and spout 11 internal surface sliding connection, two closing plate 12 are close to each other and can realize the closure of valve body 1 until two first sealing strip 20 contact, two first sealing strip 20 can improve the sealing performance between two closing plate 12 after the closure, second sealing strip 21 can improve the sealing performance between closing plate 12 and the spout 11 inner wall, avoid liquid leakage.
Wherein, the rotary device 7 is close to the first slide rail 23 of the side week side fixedly connected with of valve body 1, and the side week side of rotary device 7 is connected with the internal surface rotation of valve body 1 through first slide rail 23, and rotary device 7 is close to the side week side fixedly connected with second slide rail 24 of inlet tube 5, and rotary device 7 week side is connected with the internal surface rotation of inlet tube 5 through second slide rail 24.
Wherein, two reposition of redundant personnel cavitys 25 have been seted up to rotary device 7 internal surface, two reposition of redundant personnel cavitys 25 head ends merge and communicate with inlet tube 5, two reposition of redundant personnel cavitys 25 tail ends communicate with two confluence cavitys 22 respectively, reposition of redundant personnel cavity 25 one end internal surface fixedly connected with dog 26, dog 26 is close to valve body 1 lateral wall axle center department and has seted up tapered groove 27, the great opening one side fixedly connected with filter plate 28 of tapered groove 27, filter plate 28 can filter the impurity in the liquid, avoid impurity to block up tapered groove 27, when the accumulational impurity in filter plate 28 surface is too much, usable spanner is twisted the screw and is manually pulled down rotary device 7, the accumulational impurity in clean filter plate.
Wherein, the baffle 26 is far away from the side wall of the water inlet pipe 5 and is fixedly connected with two connecting rods 29, one end of each connecting rod 29 is fixedly connected with a cone 30, and the axial direction of the cone 30 is coincided with the axial direction of the conical groove 27; the inner surfaces of the two confluence cavities 22 are respectively communicated with the two chutes 11, and the tail ends of the two confluence cavities 22 are fused and communicated with the water outlet pipe 6; the liquid passing through the tapered groove 27 increases in flow velocity, and the increased liquid collides with the tapered body 30 to be dispersed, thereby cleaning the inner wall of one of the confluence chamber 22.
The specific application of this embodiment is: when the valve body 1 works, liquid flows into the two flow dividing cavities 25 in the rotating device 7 from the water inlet pipe 5, the liquid is divided into two flows, one flow of liquid flows into the confluence cavity 22 from the flow dividing cavity 25, the other flow of liquid enters the conical groove 27 through the filter plate 28, the conical groove 27 is of a cone structure, the flow rate of the liquid is increased after passing through the conical groove 27, the liquid with the increased flow rate impacts the cone 30 to scatter, the inner wall of one confluence cavity 22 can be cleaned, and the two flows of liquid are converged at the tail part of the confluence cavity 22 and flow into the water outlet pipe 6 after the cleaning is finished; when the valve body 1 needs to be closed, one of the rotary rings 17 can be manually rotated, the rotary ring 17 drives the connecting block 15 to rotate through the spokes 16, the connecting block 15 drives the screw rod 14 to rotate, the screw rod 14 is in threaded connection with the threaded sleeve 19, the screw rod 14 can move towards the inside of the valve body 1 when rotating, the screw rod 14 pushes the sealing plate 12 to move towards the inside of the valve body 1 through the bearing 13, and the sealing plate 12 seals the two confluence cavities 22 to complete the closing of the valve body 1; it should be noted that, when one of the screw rods 14 is rusted and cannot rotate due to long-time non-use, the rotating ring 17 on the opposite side can be manually rotated, the screw rod 14 is driven to rotate by the rotating ring 17, and the screw rod 14 pushes the sealing plate 12 on the other side to move towards the inside of the valve body 1, so as to complete the sealing of the valve body 1; the two rotating rings 17 can also be rotated simultaneously, so that the two screw rods 14 rotate simultaneously, the two sealing plates 12 approach to each other until the two first sealing strips 20 contact, the two sealing plates 12 approach to each other synchronously, the closing time of the valve body 1 can be shortened, and the closing of the valve body 1 can also be realized; under special conditions, if the two screw rods 14 cannot be manually rotated, an RS-458 interface can be used for inputting a command into the PLC 3, the PLC 3 controls the driving motor 9 to be started, an output shaft of the driving motor 9 rotates to drive the driving gear 10 to rotate, the driving gear 10 drives the annular teeth 8 to rotate, and the annular teeth 8 drive the rotating device 7 to rotate 90 degrees, so that the two shunting cavities 25 and the two converging cavities 22 are staggered and do not coincide, and the sealing of the valve body 1 can be realized; there is the timer PLC controller 3 inside, every 30 minutes, PLC controller 3 can control driving motor 9 and start, driving motor 9 output shaft is rotatory to drive the rotatory 180 degrees of annular tooth 8, annular tooth 8 drives 7 rotatory half circles of rotary device and makes two reposition of redundant personnel cavitys 25 exchange with two communicating structure of confluence cavity 22, can realize two confluence cavity 22 inner walls clean in turn, keep two confluence cavity 22 inside constantly unobstructed, guarantee 1 inside transport of valve body stable.
Example two
Referring to fig. 1-7 and fig. 9, the present invention further provides a technical solution: the bidirectional closing structure for the valve comprises a valve body 1, wherein a rectangular block 2 is fixedly connected to the center of the valve body 1, a 6ED1052-1HB08-0BA0 type PLC 3 is fixedly connected to the top surface of the rectangular block 2, three connecting arms 4 are respectively and fixedly connected to the peripheral side surface of one side of the valve body 1 through screws, one ends, far away from the valve body 1, of the three connecting arms 4 are respectively and fixedly connected with a water inlet pipe 5 through screws, a rotating device 7 is rotatably connected to the inner surface of the water inlet pipe 5, the peripheral side surface, far away from the water inlet pipe 5, of the rotating device 7 is rotatably connected with the inner surface of;
the spout 11 has all been seted up to 2 both sides of rectangular block, and 11 internal surface sliding connection in spout have closing plate 12, and two confluence cavitys 22 have been seted up to valve body 1 inside.
Wherein, the side of the rotating device 7 is fixedly connected with the annular teeth 8, the side of the water inlet pipe 5 is fixedly connected with a Z62DPN2460-30S type driving motor 9, the output end of the PLC controller 3 is electrically connected with the input end of the driving motor 9 through an electric wire, and the output shaft of the driving motor 9 is fixedly connected with a driving gear 10.
Wherein, the peripheral side of drive gear 10 is connected with 8 peripheral sides of annular tooth transmission, and the speed reduction ratio of annular tooth 8 and drive gear 10 is twenty to one, and the annular tooth 8 is the skewed tooth with 10 peripheral side tooth.
The two sides of the rectangular block 2 are fixedly connected with fixing plates 18 through screws, the fixing plates 18 are fixedly connected with threaded sleeves 19 far away from the center of the side walls of the rectangular block 2, the inner surfaces of the threaded sleeves 19 are in threaded connection with screw rods 14, one ends of the screw rods 14 extend into the sliding grooves 11, and the ends, located inside the sliding grooves 11, of the screw rods 14 are rotatably connected with the sealing plates 12 through bearings 13; the lead screw 14 is kept away from 2 one end fixedly connected with connecting blocks 15 of rectangular block, the even fixedly connected with eight spokes 16 of connecting blocks 15 all sides, eight spokes 16 are kept away from the equal fixedly connected with rotating ring 17 of connecting blocks 15 one end, two relative lateral walls of sealing plate 12 are the first sealing strip 20 of fixedly connected with respectively, the sealing plate 12 is close to bearing 13 one side all sides and is inlayed second sealing strip 21 in the face, second sealing strip 21 all sides and 11 internal surface sliding connection of spout, there is the sealing strip sealing plate 12 tip.
Wherein, the rotary device 7 is close to the first slide rail 23 of the side week side fixedly connected with of valve body 1, and the side week side of rotary device 7 is connected with the internal surface rotation of valve body 1 through first slide rail 23, and rotary device 7 is close to the side week side fixedly connected with second slide rail 24 of inlet tube 5, and rotary device 7 week side is connected with the internal surface rotation of inlet tube 5 through second slide rail 24.
Wherein, two reposition of redundant personnel cavitys 25 have been seted up to rotary device 7 internal surface, and two reposition of redundant personnel cavitys 25 head ends merge and communicate with inlet tube 5, and two reposition of redundant personnel cavitys 25 tail ends communicate with two confluence cavitys 22 respectively, reposition of redundant personnel cavity 25 one end internal surface fixedly connected with dog 26, and dog 26 is close to valve body 1 lateral wall axle center department and has seted up tapered groove 27, and the great opening one side fixedly connected with filter plate 28 of tapered groove 27.
The side wall of the stop block 26, which is far away from the side wall of the water inlet pipe 5, is fixedly connected with a connecting shaft 31, the axis of the connecting shaft 31 is communicated with the conical groove 27, the side wall of the stop block 26 is rotatably connected with an eccentric nozzle 32 through the connecting shaft 31, and the eccentric nozzle 32 is communicated with the conical groove 27 through the connecting shaft 31; the inner surfaces of the two confluence cavities 22 are respectively communicated with the two chutes 11, and the tail ends of the two confluence cavities 22 are fused and communicated with the water outlet pipe 6.
The specific application of this embodiment is: when the valve body 1 works, liquid flows into the two flow dividing cavities 25 in the rotating device 7 from the water inlet pipe 5, the liquid is divided into two flows, one flow of liquid flows into the confluence cavity 22 from the flow dividing cavity 25, the other flow of liquid enters the conical groove 27 through the filter plate 28, the conical groove 27 is of a cone structure, the flow rate of the liquid is increased after passing through the conical groove 27, the liquid with the increased flow rate enters the eccentric nozzle 32 through the connecting shaft 31, the liquid can generate a reaction force when flowing out from the tail end of the eccentric nozzle 32 by utilizing the eccentric structure of the eccentric nozzle 32, the reaction force can push the eccentric nozzle 32 to rotate by taking the connecting shaft 31 as the center, the liquid can rotate and spray the inner wall of the confluence cavity 22 for cleaning after flowing out from the eccentric nozzle 32, and the two flows into the water outlet pipe 6 after the cleaning is finished; the remaining operating principle remains the same as in the exemplary embodiment.
As can be seen from the above, in the first embodiment, the cone 30 blocks the liquid ejected from the tapered groove 27 to disperse the liquid, thereby cleaning the inner wall of the confluence chamber 22, while in the second embodiment, the reaction force of the liquid ejected from the eccentric nozzle 32 is used to perform rotational cleaning; the cleaning area cleaned by the rotation of the eccentric nozzle 32 is larger compared with the cleaning area formed by the cone 30 blocking the liquid, the cleaning area formed by the cone 30 blocking the dispersed liquid is close to the stop 26, the farther the cone 30 is away from the stop 26, the smaller the cleaning effect is, the shorter the distance of the liquid flying out of the cone-shaped groove 27 is than that of the first embodiment, therefore, the cleaning area of the second embodiment is the largest, and the second embodiment is the optimal embodiment.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A method of controlling a bi-directional closure for a valve, characterized by: when the valve body works, liquid flows into the two flow splitting cavities in the rotating device from the water inlet pipe, the liquid is divided into two flows, one flow of liquid flows into the confluence cavity from the flow splitting cavities, the other flow of liquid enters the interior of the conical groove through the filter plate, the conical groove is of a cone structure, the flow velocity of the liquid is increased after passing through the conical groove, the liquid with the increased flow velocity impacts the cone to scatter, the inner wall of one confluence cavity is cleaned, and the two flows of liquid are converged at the tail part of the confluence cavity and flow into the water outlet pipe after the cleaning is finished; when the valve body needs to be closed, one of the rotating rings is manually rotated, the rotating ring drives the connecting block to rotate through the spokes, the connecting block drives the screw rod to rotate, the screw rod is in threaded connection with the threaded sleeve, the screw rod can move towards the inside of the valve body when rotating, the screw rod pushes the sealing plate to move towards the inside of the valve body through the bearing, and the sealing plate seals the two confluence cavities to complete the closing of the valve body; when one screw rod cannot rotate due to faults, the rotating ring on the opposite side is manually rotated, the screw rod is driven to rotate by the rotating ring, the screw rod pushes the sealing plate on the other side to move towards the inside of the valve body, and the valve body is sealed; the two rotary rings are simultaneously rotated in normal time, so that the two screw rods simultaneously rotate, the two sealing plates are close to each other until the two first sealing strips are contacted, the two sealing plates are synchronously close to each other, the sealing time of the valve body is shortened, and the sealing of the valve body is also realized; if the two screw rods cannot be manually rotated due to faults, the PLC controller controls the driving motor to be started, the output shaft of the driving motor rotates to drive the driving gear to rotate, the driving gear drives the annular teeth to rotate, the annular teeth drive the rotating device to rotate for 90 degrees, so that the two shunting cavities and the two converging cavities are staggered and do not coincide, and the sealing of the valve body is also realized; the inside time-recorder that has of PLC controller, every interval a period, the PLC controller can control driving motor and start, and the rotatory ring gear that drives of driving motor output shaft is rotatory 180 degrees, and the ring gear drives the rotatory half-turn of rotary device and makes two reposition of redundant personnel cavitys exchange with the intercommunication structure of two confluence cavitys, realizes two confluence cavity inner walls clean in turn, keeps two confluence cavitys inside constantly unobstructed, and the inside transport of guarantee valve body is stable.
2. A method of controlling a bi-directional closure for a valve, characterized by: when the valve body works, liquid flows into two branch flow cavities in the rotary device from the water inlet pipe, the liquid is divided into two strands, one strand of liquid flows into the confluence cavity from the branch flow cavity, the other drum of liquid passes through the filter plate and enters the inside of the conical groove, the conical groove is of a cone structure, the flow rate of the liquid increases after passing through the conical groove, the liquid after the flow rate is increased enters the inside of the eccentric nozzle through the connecting shaft, the eccentric structure of the eccentric nozzle is utilized, the liquid can generate a reaction force when flowing out from the tail end of the eccentric nozzle, the reaction force can push the eccentric nozzle to rotate by taking the connecting shaft as a center, the liquid flows out from the eccentric nozzle and then rotates and sprays the inner wall of the confluence flow cavity to be clean, and the two strands.
3. The control method according to claim 1 or 2, characterized in that: the bidirectional closing mechanism comprises a valve body (1), wherein a rectangular block (2) is fixedly connected to the center of the valve body (1), a PLC (programmable logic controller) is fixedly connected to the top surface of the rectangular block (2), three connecting arms (4) are respectively and fixedly connected to the circumferential side surface of one side of the valve body (1) through screws, one ends, far away from the valve body (1), of the three connecting arms (4) are fixedly connected with a water inlet pipe (5) through screws, a rotating device (7) is rotatably connected to the inner surface of the water inlet pipe (5), the circumferential side surface, far away from the water inlet pipe (5), of the rotating device (7) is rotatably connected to the inner surface of the valve body (1), and the other side;
the improved valve is characterized in that sliding grooves (11) are formed in two sides of the rectangular block (2), a sealing plate (12) is connected to the inner surface of each sliding groove (11) in a sliding mode, and two confluence cavities (22) are formed in the valve body (1).
4. The control method for the bidirectional closing structure of the valve according to claim 3, wherein the circumferential side of the rotating device (7) is fixedly connected with an annular gear (8), the circumferential side of the water inlet pipe (5) is fixedly connected with a driving motor (9), the output end of the PLC controller (3) is electrically connected with the input end of the driving motor (9) through a wire, the output shaft of the driving motor (9) is fixedly connected with a driving gear (10),
the transmission of drive gear (10) week side and annular tooth (8) week side is connected, the reduction ratio of annular tooth (8) and drive gear (10) is twenty to one, annular tooth (8) and drive gear (10) week side tooth are the skewed tooth.
5. The control method for the bidirectional closing structure of the valve according to claim 3, wherein fixing plates (18) are fixedly connected to both sides of the rectangular block (2) through screws, a threaded sleeve (19) is fixedly connected to the fixing plates (18) away from the center of the side wall of the rectangular block (2), a lead screw (14) is connected to the inner surface of the threaded sleeve (19) in a threaded manner, one end of the lead screw (14) extends into the sliding chute (11), and one end of the lead screw (14) located inside the sliding chute (11) is rotatably connected with the sealing plate (12) through a bearing (13).
6. The control method for the bidirectional closing structure of the valve according to claim 5, wherein one end of the screw rod (14) far away from the rectangular block (2) is fixedly connected with a connecting block (15), the peripheral side surface of the connecting block (15) is uniformly and fixedly connected with eight spokes (16), one end of the eight spokes (16) far away from the connecting block (15) is fixedly connected with a rotating ring (17), two opposite side walls of the sealing plate (12) are respectively and fixedly connected with a first sealing strip (20), a peripheral side surface of one side of the sealing plate (12) close to the bearing (13) is embedded with a second sealing strip (21), and the peripheral side surface of the second sealing strip (21) is in sliding connection with the inner surface of the sliding groove (11.
7. The control method for the bidirectional closing structure of the valve according to claim 3, wherein a first slide rail (23) is fixedly connected to the circumferential side of the rotating device (7) near the valve body (1), the circumferential side of the rotating device (7) is rotatably connected to the inner surface of the valve body (1) through the first slide rail (23), a second slide rail (24) is fixedly connected to the circumferential side of the rotating device (7) near the water inlet pipe (5), and the circumferential side of the rotating device (7) is rotatably connected to the inner surface of the water inlet pipe (5) through the second slide rail (24).
8. The control method for the bidirectional closing structure of the valve according to claim 3, wherein two shunt cavities (25) are formed in the inner surface of the rotating device (7), the head ends of the two shunt cavities (25) are fused and communicated with the water inlet pipe (5), the tail ends of the two shunt cavities (25) are respectively communicated with the two confluence cavities (22), a stop block (26) is fixedly connected to the inner surface of one end of each shunt cavity (25), a tapered groove (27) is formed in the position, close to the axial center of the side wall of the valve body (1), of the stop block (26), and a filter plate (28) is fixedly connected to one side, with a larger opening, of the tapered groove (27).
9. The control method for the bidirectional closing structure of the valve according to claim 8, wherein two connecting rods (29) are fixedly connected to the side wall of the stopper (26) away from the water inlet pipe (5), a cone (30) is fixedly connected to one end of each of the two connecting rods (29), and the axial direction of the cone (30) coincides with the axial direction of the conical groove (27).
10. The control method for the bidirectional closing structure of the valve according to claim 9, wherein the stopper (26) is fixedly connected with a connecting shaft (31) away from the side wall of the water inlet pipe (5), the axial center of the connecting shaft (31) is communicated with the tapered groove (27), the side wall of the stopper (26) is rotatably connected with an eccentric nozzle (32) through the connecting shaft (31), and the eccentric nozzle (32) is communicated with the tapered groove (27) through the connecting shaft (31);
the inner surfaces of the two confluence cavities (22) are respectively communicated with the two chutes (11), and the tail ends of the two confluence cavities (22) are fused and communicated with the water outlet pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010178634.1A CN111271478A (en) | 2020-03-14 | 2020-03-14 | Control method for bidirectional closing structure of valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010178634.1A CN111271478A (en) | 2020-03-14 | 2020-03-14 | Control method for bidirectional closing structure of valve |
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| CN111271478A true CN111271478A (en) | 2020-06-12 |
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| CN202010178634.1A Pending CN111271478A (en) | 2020-03-14 | 2020-03-14 | Control method for bidirectional closing structure of valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115059655A (en) * | 2022-07-23 | 2022-09-16 | 合肥英腾嘉科技发展有限责任公司 | Valve block structure of electromagnetic valve double-loop hydraulic power station |
-
2020
- 2020-03-14 CN CN202010178634.1A patent/CN111271478A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115059655A (en) * | 2022-07-23 | 2022-09-16 | 合肥英腾嘉科技发展有限责任公司 | Valve block structure of electromagnetic valve double-loop hydraulic power station |
| CN115059655B (en) * | 2022-07-23 | 2022-11-29 | 合肥英腾嘉科技发展有限责任公司 | Valve block structure of electromagnetic valve double-loop hydraulic power station |
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Application publication date: 20200612 |