CN117927685B - Low-temperature regulating valve with high tightness - Google Patents
Low-temperature regulating valve with high tightness Download PDFInfo
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- CN117927685B CN117927685B CN202410308667.1A CN202410308667A CN117927685B CN 117927685 B CN117927685 B CN 117927685B CN 202410308667 A CN202410308667 A CN 202410308667A CN 117927685 B CN117927685 B CN 117927685B
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 34
- 239000012535 impurity Substances 0.000 claims abstract description 66
- 238000001914 filtration Methods 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 112
- 239000000463 material Substances 0.000 claims description 38
- 238000007790 scraping Methods 0.000 claims description 23
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 16
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 16
- 241001330002 Bambuseae Species 0.000 claims description 16
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 16
- 239000011425 bamboo Substances 0.000 claims description 16
- 238000010992 reflux Methods 0.000 claims description 16
- 230000000903 blocking effect Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 abstract description 8
- 230000002411 adverse Effects 0.000 abstract description 7
- 230000006872 improvement Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract 2
- 238000012423 maintenance Methods 0.000 description 14
- 239000013618 particulate matter Substances 0.000 description 8
- 230000009471 action Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000989 no adverse effect Toxicity 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
The invention relates to a low-temperature regulating valve technology, which is used for solving the problem that the sealing performance of a regulating valve is adversely affected by impurities containing particles in a low-temperature medium, and the gap between an overhaul port and a fixed ring is large, so that overhaul work is inconvenient, in particular to a high-sealing low-temperature regulating valve, which comprises a valve barrel; according to the invention, the filter screen frame is used for filtering out the particulate matters in the low-temperature medium flowing in the valve cylinder, so that the particulate matters can not adversely affect the tight closing of the valve clack and the fixed ring, the rotating gear and the gear drive the outer tooth ring in the rotating frame to rotate, the clamping frame in the outer tooth ring is clamped at the clamping groove position on the connecting rod, the plurality of connecting rods can uniformly detach the mounting bolts on the plurality of fixed rings when the driving column rotates, the length of the connecting rods can be slidably adjusted, and workers can detach the mounting bolts on the inner fixed ring at any distance from the position of the access hole, so that the operation is more convenient, and the improvement of the working efficiency is facilitated.
Description
Technical Field
The invention relates to a low-temperature regulating valve technology, in particular to a high-tightness low-temperature regulating valve.
Background
The low-temperature regulating valve is a regulating valve used in low-temperature and cryogenic occasions, adopts a long-neck valve cover for heat preservation, and is matched with a multi-spring executing mechanism, so that the low-temperature regulating valve has the advantages of compact overall structure, light weight, good stability and the like;
In the prior art, when the low-temperature medium is transmitted inside the low-temperature regulating valve, part of impurities with lower purity of the low-temperature medium are doped with solid particles, the impurities are transmitted inside the low-temperature regulating valve and attached to the valve clack or the fixed ring, when the valve clack is rotated and closed, gaps still exist at the contact position of the closed valve clack and the fixed ring due to the impurities, the tightness of the low-temperature regulating valve is influenced, and when the clamping force between the valve clack and the fixed ring is overlarge, the impurities are easy to damage the valve clack and the fixed ring; when the low-temperature regulating valve is subjected to maintenance operation, the distance between the maintenance hole and the fixed ring is large, and the position of the mounting bolt at the position of the fixed ring is difficult to observe from the position of the maintenance hole, so that a worker is difficult to detach the fixed ring during the maintenance operation, consumes more time and is unfavorable for improving the working efficiency;
the application provides a solution to the technical problem.
Disclosure of Invention
The invention aims to filter out the particle impurities in the low-temperature medium flowing in the valve cylinder through the filter screen frame, so that the particle impurities can not cause adverse effect on the tight closure of the valve clack and the fixed ring, the rotating gear and the gear drive the outer tooth ring in the rotating frame to rotate, the clamping frame in the outer tooth ring clamps the clamping groove position on the connecting rod, the plurality of connecting rods can uniformly detach the mounting bolts on the plurality of fixed rings when the driving column rotates, the length of the connecting rods can be slidably adjusted, workers can detach the mounting bolts on the inner fixed ring at any distance from the position of the access opening, the improvement of the working efficiency is facilitated, the problem that the air tightness of the regulating valve is adversely affected by the particle impurities contained in the low-temperature medium, and the space between the access opening and the fixed ring is large and the maintenance work is inconvenient is solved.
The aim of the invention can be achieved by the following technical scheme:
The utility model provides a low temperature governing valve of high seal, includes a valve section of thick bamboo, valve section of thick bamboo upper surface one side integrated into one piece has the regulation mouth, valve section of thick bamboo upper surface opposite side integrated into one piece has the access hole, regulation mouth position department rotates through the pivot and is connected with the valve clack, valve section of thick bamboo inside wall corresponds valve clack position department integrated into one piece has solid fixed ring, valve section of thick bamboo inside wall is close to one side of valve clack installs filter screen frame, valve section of thick bamboo upper surface corresponds one side integrated into one side of filter screen frame has the material absorbing cavity, valve section of thick bamboo upper surface corresponds filter screen frame's opposite side integrated into one side has the backward flow chamber, material absorbing cavity outside wall corresponds one side integrated into one side of backward flow chamber has the material sliding pipeline, the material sliding pipeline is in the material absorbing cavity with be the slope form design between the backward flow chamber, material absorbing cavity outside wall one side rotates and is connected with the drive pivot, material absorbing cavity inside wall corresponds drive pivot position department rotates and is connected with the transmission roller, the transmission roller outside the transmission roller is installed to the transmission roller, the transmission lateral wall is provided with a plurality of right angle form baffle, the filter screen frame corresponds one side of rotation intermediate position is connected with two and a scraper blade, two pass through the inside groove and two pass through the drive pulley, two side groove and one side of the scraper blade is connected with the transmission groove.
As a preferred implementation mode of the invention, a reciprocating frame is arranged at the middle position of the material sucking cavity and the reflux cavity, a reciprocating plate is connected in the reciprocating frame in a sliding way, a telescopic hose is arranged at the middle position of the lower surface of the reciprocating plate, a transmission rotating wheel III is rotatably connected at the middle position of the upper surface of the reciprocating frame, a reciprocating screw rod is rotatably connected at the position of the reciprocating frame corresponding to the transmission rotating wheel III, an air sucking channel is arranged at the position of the upper surface of the material sliding pipeline corresponding to the telescopic hose, a material blocking filter plate is arranged below the inner part of the air sucking channel, and an air sucking pipe is arranged at the position of the lower surface of the reciprocating frame corresponding to the air sucking channel.
As a preferred implementation mode of the invention, a lifting screw is rotatably connected to the middle position of the upper surface of the reflux cavity, a lower pressing plate is arranged at the lower end of the lifting screw, a movable sloping plate is rotatably connected to one side of the outer side wall of the lower pressing plate, which is close to the sliding material pipeline, a impurity filtering plate is arranged below the inner side wall of the reflux cavity, and a rotating baffle is rotatably connected to the position of the sliding material pipeline, which corresponds to the reflux cavity.
As a preferred implementation mode of the invention, a transmission case is arranged at the position of the outer side wall of the material sucking cavity corresponding to the driving rotating shaft, a first rotating wheel is arranged in the transmission case corresponding to the driving rotating shaft, a first toothed rotating wheel is rotatably connected at the right-angle position of the transmission case, a second toothed rotating wheel is rotatably connected at the right-angle position of the transmission case corresponding to the first toothed rotating wheel, a second rotating wheel is rotatably connected at the position of the transmission case corresponding to the third rotating wheel, a third rotating wheel is rotatably connected at the position of the transmission case corresponding to the lifting screw, and threads are arranged at the position of the inner side of the third rotating wheel corresponding to the lifting screw.
As a preferred implementation mode of the invention, four groups of limit bars are arranged on the lower surface of the interior of the valve cylinder at positions corresponding to the overhaul holes, two groups of limit bars are connected with a second jogging ring in a sliding manner at the middle positions of the two groups of limit bars, a first jogging ring is jogged at two ends of the second jogging ring, a plurality of uniformly distributed mounting holes are formed in the outer side walls of the first jogging ring and the second jogging ring, a connecting rod is arranged in the mounting holes, clamping grooves are formed in two sides of the outer side wall of the connecting rod, a jogging groove is formed in one end of the second jogging ring, and a jogging block is integrally formed in the other end of the second jogging ring.
As a preferred implementation mode of the invention, a telescopic cavity is formed in the embedded block, a movable limiting block is arranged in the telescopic cavity through a telescopic spring, embedded holes are formed in the positions, corresponding to the movable limiting block, of two sides of the embedded groove, an adjusting cavity is formed in the position, corresponding to the movable limiting block, of the inner side wall of the embedded ring, a disassembling button is arranged in the adjusting cavity through the telescopic spring, a supporting frame is formed in the embedded ring I and the embedded ring II uniformly, a rotating cavity is formed in the supporting frame, a driving fluted disc is connected in the rotating cavity in a rotating mode, and a driving column is connected in the position, corresponding to the driving fluted disc, of the outer side wall of the supporting frame in a rotating mode.
As a preferred implementation mode of the invention, the positions of the outer side walls of the support frames corresponding to the mounting holes are provided with the supports, one end of each support frame corresponding to the mounting holes is integrally formed with the rotating frame, the middle position of the outer side wall of each rotating frame is provided with the rotating groove, the upper surface and the lower surface of the inner part of each rotating groove are provided with the sliding grooves, the inner parts of the sliding grooves are slidably connected with the outer tooth rings, the two sides of the inner side walls of the outer tooth rings are integrally formed with the inner clamping blocks, the outer side walls of the inner clamping blocks are slidably connected with the clamping frames through the telescopic springs, the positions of the rotating cavity inner parts of the support frames corresponding to the driving fluted disc are rotatably connected with the first rotating gears, the positions of the rotating cavity inner parts of the support frames corresponding to the second rotating gears are rotatably connected with the first gears, and the positions of the support frames corresponding to the second rotating gears are rotatably connected with the second gears.
Compared with the prior art, the invention has the beneficial effects that:
The filter screen frame is used for filtering out the particulate impurities in the low-temperature medium flowing in the valve cylinder, so that the particulate impurities can not cause adverse effects on the tight closure of the valve clack and the fixed ring, the filtered impurities are transmitted to the inside of the reflux cavity under the matching effect of the impurity scraping groove and the transmission belt, and the low-temperature medium contaminated on the particulate impurities can flow back to the inside of the valve cylinder in an extrusion and standing mode in the reflux cavity, so that the loss of the transmission quantity of the low-temperature medium can not be caused;
the driving fluted disc is driven to rotate when the driving column rotates, the driving gear drives the outer gear ring in the rotating frame to rotate through the rotating gear and the gear, the clamping frame in the outer gear ring is clamped at the position of the clamping groove on the connecting rod, the mounting bolts on the plurality of fixing rings are uniformly dismounted through the plurality of connecting rods when the driving column rotates, the length of the connecting rods can be slidably adjusted, workers can dismount the mounting bolts on the fixing rings at any distance from the position of the access hole, and the dismounting device is more convenient and beneficial to improvement of working efficiency.
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a main block diagram of the present invention;
FIG. 2 is a block diagram of a stop bar according to the present invention;
FIG. 3 is a diagram of the structure of the suction chamber of the present invention;
FIG. 4 is an enlarged view of the portion A of FIG. 1 according to the present invention;
FIG. 5 is a block diagram of a mounting hole of the present invention;
FIG. 6 is an enlarged view of the portion B of FIG. 5 according to the present invention;
FIG. 7 is a diagram showing a second construction of the fitting ring of the present invention;
FIG. 8 is an enlarged view of the structure of portion C of FIG. 7 in accordance with the present invention;
in the figure: 1. a valve cylinder; 2. a fixing ring; 3. a valve flap; 4. an adjustment port; 5. an access opening; 61. driving the rotating shaft; 62. a transmission belt; 63. a screen frame; 64. a impurity scraping groove; 65. a movable trough plate; 66. a transmission runner II; 67. a material suction cavity; 68. a impurity filtering plate; 69. a transmission case; 610. a slide material pipeline; 611. rotating the baffle; 612. lifting screw rods; 613. a reflow chamber; 614. a lower pressing plate; 615. a reciprocating frame; 616. a shuttle plate; 617. a transmission rotating wheel III; 618. a transmission belt; 619. a flexible hose; 620. a material blocking filter plate; 621. an air suction passage; 71. a limit bar; 72. a connecting rod; 73. fitting the first ring; 74. a second jogged ring; 75. a mounting hole; 76. a clamping groove; 77. a rotating frame; 78. a support frame; 79. driving the fluted disc; 710. a drive column; 711. disassembling the button; 712. a movable limiting block; 713. a bracket; 714. an outer toothed ring; 715. an inner clamping block; 716. a rotating groove; 717. clamping the frame.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1: referring to fig. 1-4, a low temperature regulating valve with high tightness comprises a valve cylinder 1, wherein one side of the upper surface of the valve cylinder 1 is integrally formed with a regulating port 4, the other side of the upper surface of the valve cylinder 1 is integrally formed with an overhaul port 5, the position of the regulating port 4 is rotationally connected with a valve clack 3 through a rotating shaft, the position of the inner side wall of the valve cylinder 1 corresponding to the valve clack 3 is integrally formed with a fixed ring 2, the fixed ring 2 is provided with a plurality of uniformly distributed mounting bolts, when the inside of the low temperature regulating valve is in fault for overhaul, the plurality of mounting bolts on the fixed ring 2 need to be removed from the position of the overhaul port 5, one side of the inner side wall of the valve cylinder 1 close to the valve clack 3 is provided with a filter screen frame 63, the filter screen frame 63 can filter the particles in the low-temperature medium flowing in the valve cylinder 1, so that the particles can not flow to the position of the valve clack 3 to influence the normal closing operation of the valve clack 3, the tightness of the low-temperature regulating valve is adversely affected, the upper surface of the valve cylinder 1 is integrally formed with a suction cavity 67 corresponding to one side of the filter screen frame 63, the upper surface of the valve cylinder 1 is integrally formed with a reflux cavity 613 corresponding to the other side of the filter screen frame 63, the outer side wall of the suction cavity 67 is integrally formed with a sliding pipeline 610 corresponding to one side of the reflux cavity 613, the sliding pipeline 610 is in an inclined design between the suction cavity 67 and the reflux cavity 613, one side of the outer side wall of the suction cavity 67 is rotationally connected with a driving rotating shaft 61, the inner side wall of the suction cavity 67 is rotatably connected with a transmission roller corresponding to the position of the driving rotating shaft 61, a transmission belt 62 is arranged on the outer side of the transmission roller, the upper end of the transmission belt 62 is positioned in the suction cavity 67, the lower end of the transmission belt 62 extends downwards to the position of the upper half of the filter screen frame 63, a plurality of right-angle baffle plates are arranged on the outer side wall of the transmission belt 62, the right-angle baffle plates can upwards transmit and move impurities scraped by the filter screen frame 63 when the right-angle baffle plates move along with the position of the transmission belt 62, a impurity scraping groove 64 is rotatably connected at the middle position of the filter screen frame 63, a movable groove plate 65 is rotatably connected at the middle position of the inner part of the impurity scraping groove 64 through the rotating shaft, a scroll spring is also arranged at the connecting position of the movable groove plate 65 and the impurity scraping groove 64, the movable groove plate 65 can reset the position under the action of the spiral spring after rotating under the action of external force, one end of the rotating shaft is provided with a second transmission rotating wheel 66, the position of the outer side wall of the driving rotating shaft 61 corresponding to the second transmission rotating wheel 66 is provided with a first transmission rotating wheel, the first transmission rotating wheel and the second transmission rotating wheel 66 are in transmission connection through a transmission belt 618, the driving rotating shaft 61 can drive the impurity scraping groove 64 to rotate through the transmission belt 618 when rotating, the position of the outer side wall of the material absorbing cavity 67 corresponding to the driving rotating shaft 61 is provided with a transmission box 69, the position of the inner part of the transmission box 69 corresponding to the driving rotating shaft 61 is provided with a first transmission rotating wheel, the first transmission rotating wheel is in transmission connection with the first tooth rotating wheel through the transmission belt 618, the right angle position of the transmission case 69 is rotationally connected with a first toothed wheel, the right angle position of the transmission case 69 is rotationally connected with a second toothed wheel corresponding to the first toothed wheel, the first toothed wheel is mutually perpendicular to the second toothed wheel and mutually embedded and driven to rotate, the position of the transmission case 69 corresponding to a third transmission wheel 617 is rotationally connected with the second transmission wheel, the second transmission wheel is in transmission connection with the second transmission wheel through a transmission belt 618, the position of the transmission case 69 corresponding to a lifting screw 612 is rotationally connected with the third transmission wheel, the second transmission wheel is in transmission connection with the third transmission wheel through the transmission belt 618, so that the driving rotary shaft 61 can drive the third transmission wheel 617 to rotate when rotating, the inner side of the third rotating wheel is provided with threads corresponding to the position of the lifting screw 612, so that the third rotating wheel can drive the lifting screw 612 to move up and down when rotating positively and negatively, the positive and negative rotation of the third rotating wheel is realized by the positive and negative rotation of the driving rotating shaft 61, a reciprocating frame 615 is arranged at the middle position of the suction cavity 67 and the return cavity 613, a reciprocating plate 616 is connected inside the reciprocating frame 615 in a sliding way, a telescopic hose 619 is arranged at the middle position of the lower surface of the reciprocating plate 616, the telescopic hose 619 sucks air in the sliding material pipeline 610 from the position of the suction pipe and discharges the air from the position of the exhaust pipe at the upper end of the telescopic hose 619 into the return cavity 613 in the extrusion and stretching process, the inside of the low-temperature regulating valve is still in a closed state, the middle position of the upper surface of the reciprocating frame 615 is rotationally connected with a third transmission rotating wheel 617, the third transmission rotating wheel 617 is in transmission connection with a second transmission rotating wheel through a transmission belt 618, the position of the reciprocating frame 615 corresponding to the third transmission rotating wheel 617 is rotationally connected with a reciprocating screw rod, the position of the upper surface of the sliding material pipeline 610 corresponding to the telescopic hose 619 is provided with an air suction channel 621, the lower part of the inner part of the air suction channel 621 is provided with a material blocking filter plate 620, the lower surface of the reciprocating frame 615 is provided with an air suction pipe corresponding to the air suction channel 621, the middle position of the upper surface of the reflux cavity 613 is rotationally connected with a lifting screw rod 612, the lower end of the lifting screw 612 is provided with a lower pressing plate 614, one side of the lower pressing plate 614 away from the movable inclined plate is also designed with an inclined angle, so that substances falling onto the lower pressing plate 614 and the upper part of the movable inclined plate can slide downwards under the action of the inclined surface to fall onto the bottom of the reflux cavity 613, one side of the outer side wall of the lower pressing plate 614, which is close to the sliding material pipeline 610, is rotationally connected with the movable inclined plate, the impurity filtering plate 68 is arranged below the inner side wall of the reflux cavity 613, the sliding material pipeline 610 is rotationally connected with a rotating baffle 611 corresponding to the position of the reflux cavity 613, and the rotating baffle 611 is the same as the movable inclined plate and can only rotate to one side and can not rotate when being limited to rotate to the other side;
In the prior art, when the low-temperature medium is transmitted inside the low-temperature regulating valve, part of impurities with lower purity of the low-temperature medium are doped with solid particles, the impurities are transmitted inside the low-temperature regulating valve and attached to the valve clack 3 or the fixed ring 2, when the valve clack 3 is rotated and closed, gaps still exist at the contact position of the closed valve clack 3 and the fixed ring 2 due to the impurities, the tightness of the low-temperature regulating valve is influenced, and when the clamping force between the valve clack 3 and the fixed ring 2 is too large, the impurities are liable to damage the valve clack 3 and the fixed ring 2;
In the process that the low-temperature medium passes through the inside of the valve cylinder 1 of the low-temperature regulating valve, the particulate matter impurities in the low-temperature medium are filtered out under the blocking of the filter screen frame 63, the filtered particulate matter impurities stay on the surface of the filter screen frame 63, when the driving device drives the driving rotating shaft 61 to rotate, the driving rotating shaft 61 can drive the second transmission rotating wheel 66 at the central position of the filter screen frame 63 through the first transmission rotating wheel on the outer side to rotate, the impurity scraping groove 64 connected with the second transmission rotating wheel 66 can collect the impurities on the surface of the filter screen frame 63 during rotation, the collected particulate matter impurities move along with the rotation of the impurity scraping groove 64, when the impurity scraping groove 64 contacts with the lower end of the transmission belt 62, the right-angle baffle on the transmission belt 62 can take away the particulate matter impurities in the impurity scraping groove 64 and move along with the transmission proceeding position of the transmission belt 62, when the movable groove plate 65 in the impurity scraping groove 64 is mutually extruded with the transmission belt 62, the movable groove plate 65 rotates with the impurity scraping groove 64, so that the impurity scraping groove 64 can continue to rotate without being blocked by the transmission belt 62, the driving rotating shaft 61 can drive the rotating wheel II to rotate through the internal structure of the transmission box 69 when rotating, the rotating wheel II drives the transmission rotating wheel III 617 to rotate through the transmission belt 618, a reciprocating screw connected with the transmission rotating wheel III 617 can extrude and stretch the telescopic hose 619 through the up-and-down reciprocating movement of the reciprocating plate 616 when rotating, the telescopic hose 619 sucks air in the sliding material pipeline 610 through the air suction pipe, the rotating baffle 611 is in a closed state when the air is sucked, the sliding material pipeline 610 can only supplement air from the other side, and when the particulate impurities on the right-angle baffle reach the position of the sliding material pipeline 610, the sucked material can not enter the telescopic hose 619 under the blocking of the material blocking filter plate 620, the sucked material slides downwards along the inclined material sliding pipeline 610, the rotary baffle 611 is pushed to rotate and open by sliding to the position of the rotary baffle 611, the particulate impurities enter the reflux cavity 613, the particulate impurities falling on the lower pressure plate 614 and the movable inclined plate can automatically slide downwards to the position of the impurity filtering plate 68 at the bottom under the action of gravity, the lifting screw 612 can be moved up and down through the internal structure of the transmission box 69 when the driving rotating shaft 61 rotates, and the lower pressure plate 614 and the movable inclined plate can extrude low-temperature media in the particulate impurities when being pressed downwards and flow back to the inside of the valve cylinder 1 through the impurity filtering plate 68.
Example 2: referring to fig. 1-2 and 5-8, four sets of limiting strips 71 are installed at the position of the lower surface of the valve cylinder 1 corresponding to the overhaul hole 5, spaces exist between the limiting strips 71, no adverse effect is caused on the circulation of low-temperature medium, a second jogging ring 74 is slidably connected at the middle position of the two sets of limiting strips 71, the two ends of the second jogging ring 74 are jogged with the first jogging ring 73, the first jogging ring 73 and the second jogging ring 74 can be jogged with each other through jogging blocks and jogging grooves, the outer diameter of the circular ring after jogging is the same as the inner diameter of the valve cylinder 1, a plurality of evenly distributed mounting holes 75 are formed on the outer side walls of the first jogging ring 73 and the second jogging ring 74, the number of the mounting holes 75 and the spacing between the adjacent mounting holes 75 are the same as the number of the mounting bolts on the fixed ring 2 and the spacing between the adjacent mounting bolts, namely the mounting holes 75 are in one-to-one correspondence with the mounting bolts, the connecting rods 72 are arranged in the mounting holes 75, clamping grooves with the same shape and size as the mounting bolts are formed in one end of the connecting rods 72, the adsorption magnets are arranged in the clamping grooves and can adsorb the detached mounting bolts to prevent the mounting bolts from falling off, the clamping grooves 76 are formed in two sides of the outer side wall of the connecting rods 72, the embedding grooves are formed in one end of the embedding ring two 74, the embedding blocks are integrally formed in the other end of the embedding ring two 74, the inside of the embedded block is provided with a telescopic cavity, the inside of the telescopic cavity is provided with a movable limiting block 712 through a telescopic spring, the movable limiting block 712 is in a right angle shape, one shorter end is exposed to the outside of the embedded block, one longer end is close to the inner side of a 冂 -shaped dismounting button 711, when the dismounting button 711 is inserted inwards under the action of external force, the movable limiting blocks 712 on two sides are extruded to move inwards, namely the movable limiting blocks 712 retract inwards to remove the limitation, the installation and the dismounting of the embedded ring I73 and the embedded ring II 74 are convenient, the two sides inside the embedded groove are provided with embedded holes corresponding to the positions of the movable limiting blocks 712, the inner side wall of the embedded ring II 74 is provided with an adjusting cavity corresponding to the positions of the movable limiting blocks 712, the adjusting cavity is internally provided with a dismounting button 711 through a telescopic spring, the dismounting button 711 is 冂 -shaped, the upper end of the 冂 -shaped part is provided with a section exposed to the outer side of the second embedded ring 74, the first embedded ring 73 and the second embedded ring 74 are internally and uniformly formed with a supporting frame 78, the inside of the supporting frame 78 is provided with a rotating cavity, the rotating cavity is rotationally connected with a driving fluted disc 79, the outer side wall of the supporting frame 78 is rotationally connected with a driving column 710 corresponding to the position of the driving fluted disc 79, the outer side wall of the supporting frame 78 is respectively provided with a bracket 713 corresponding to the position of the mounting hole 75, one end of the bracket 713 corresponding to the mounting hole 75 is integrally formed with a rotating frame 77, the middle position of the outer side wall of the rotating frame 77 is provided with a rotating groove 716, the upper surface and the lower surface inside the rotating groove 716 are respectively provided with a sliding groove, the inside of the sliding groove is in sliding connection with an external tooth ring 714, two sides of the inner side wall of the external tooth ring 714 are integrally formed with an inner clamping block 715, the outer side wall of the inner clamping block 715 is correspondingly connected with a clamping frame 717 in a sliding way through a telescopic spring, after the clamping frame 717 is outwards clamped under the pushing of the telescopic spring, the other end of the clamping frame 717 is completely retracted into the inner side of the inner clamping block 715, the rotation of the external tooth ring 714 is not influenced, a plurality of first rotating gears are rotationally connected at the position of the rotating cavity inside the supporting frame 78 corresponding to the driving fluted disc 79, each first rotating gear corresponds to a supporting part of the supporting frame 78, the driving fluted disc 79 is engaged with the first rotating gear and drives the first rotating gear to rotate, the first rotating gear is in transmission connection with the second rotating gear at the position corresponding to the bracket 713 in the rotating cavity in the support frame 78, the first rotating gear is in transmission connection with the second rotating gear through the transmission belt 618, the first rotating gear is in rotation connection with the second rotating gear at the position corresponding to the second rotating gear in the bracket 713, the second rotating gear is perpendicular to the first rotating gear and is engaged with the first rotating gear and drives the second rotating gear, the second rotating gear and the second rotating gear are on the same plane, and the second rotating gear and the first rotating gear are engaged with each other and drive the second rotating gear;
In the prior art, when the low-temperature regulating valve is subjected to maintenance operation, the distance between the maintenance hole 5 and the fixed ring 2 is larger, and the position of the mounting bolt at the position of the fixed ring 2 is difficult to observe from the position of the maintenance hole 5, so that when a worker performs maintenance operation, the fixed ring 2 is difficult to detach, more time is consumed, and the improvement of the working efficiency is not facilitated;
when the operator overhauls through access hole 5 position department, place the spacing strip 71 position department of interior valve section of thick bamboo 1 back from access hole 5 position department behind the spacing of jogged ring two 74, afterwards put into jogged ring one 73 from access hole 5 position department, and splice jogged ring one 73 and jogged ring two 74 through jogging each other of jogging piece and jogging groove, put into connecting rod 72 from access hole 5 position department after the concatenation, and insert the both ends of connecting rod 72 respectively to jogged ring one 73 and jogged ring two 74 on the mounting hole 75 inboard, can be through rotating the regulation of carrying out the position to jogged ring one 73 and jogged ring two 74 after the connecting rod 72 is placed, be convenient for the placing of connecting rod 72 after all the inside all inserts of mounting hole 75 has inserted connecting rod 72, push all connecting rod 72 together to one side, make the draw-in groove and the installation bolt gomphosis of connecting rod 72 one end, the clamping groove 76 on connecting rod 72 is located just in the rotation frame 77 position department, carry out the outage operation to connecting clamping frame's telescopic spring, make the spring to promote the spring to rebound frame 76 and rotate at the position of the back and rotate the pivot post-toothed disc 714, when the drive the pivot post face of the mutual toothed disc is rotated at the position of the drive post-toothed disc is rotated, the drive is rotated at the pivot post face of the drive post face of the rotation of the post face of the drive is rotated, and the tooth face of the drive post face of the drive is rotated when the coaxial, the tooth face of the drive post face of the drive is rotated, and the tooth face of the tooth post drive is rotated, and the tooth face of the face is rotated, and the face of the face has rotated, and the face on the face opposite face on, and has been rotated on.
When the invention is used, in the process that a low-temperature medium passes through the inside of the valve cylinder 1 of the low-temperature regulating valve, the particulate matter impurities in the low-temperature medium are filtered out under the blocking of the filter screen frame 63, the filtered particulate matter impurities stay on the surface of the filter screen frame 63, when the driving device drives the driving rotating shaft 61 to rotate, the driving rotating shaft 61 can drive the second transmission rotating wheel 66 at the central position of the filter screen frame 63 through the first transmission rotating wheel on the outer side, the impurity scraping groove 64 connected with the second transmission rotating wheel 66 can collect the impurities on the surface of the filter screen frame 63 when rotating, the collected particulate matter impurities move along with the rotation of the impurity scraping groove 64, when the impurity scraping groove 64 contacts with the lower end of the transmission belt 62, a right-angle baffle plate on the transmission belt 62 can take away the particulate matter impurities in the impurity scraping groove 64 and move along with the transmission running position of the transmission belt 62, a movable groove plate 65 in the impurity scraping groove 64 rotates along with the transmission running position of the transmission belt 62 when the transmission belt 62 is mutually extruded, the impurity scraping groove 64 can continue to rotate without being blocked by the transmission belt 62, the impurity scraping groove 64 can rotate, the impurity scraping groove 64 can be sucked into the air channel 610 through the inner side of the transmission groove 61, the second transmission rotating wheel 69 can rotate along with the transmission groove 69, the air pipe is sucked into the air channel 610 through the air suction pipe 619 when the inner side is driven by the transmission groove 619, the air pipe is sucked into the air channel 610, and the air channel is sucked into the air channel 610 when the air is sucked into the air channel 610 through the air channel through the inner side, and the air channel is sucked into the air channel 610 when the air channel is reciprocally and the air channel is rotated, the sucked substances cannot enter the telescopic hose 619 under the blocking of the material blocking filter plate 620, the sucked substances slide downwards along the inclined material sliding pipeline 610, the rotary baffle 611 is pushed to rotate and open by sliding to the position of the rotary baffle 611, the particulate impurities enter the reflux cavity 613, the particulate impurities falling on the lower pressing plate 614 and the movable inclined plate can automatically slide downwards to the position of the impurity filtering plate 68 at the bottom under the action of gravity, the lifting screw 612 can be moved up and down by the internal structure of the transmission box 69 when the driving rotating shaft 61 rotates, the lower pressing plate 614 and the movable inclined plate can extrude low-temperature mediums in the particulate impurities when pressing downwards, and flow back to the inside of the valve cylinder 1 through the impurity filtering plate 68, so that the particulate impurities in the low-temperature mediums are filtered when flowing through the position of the inside of the valve cylinder 1, and the close closing of the valve clack 3 and the fixed ring 2 cannot be adversely affected;
When a worker performs maintenance operation through the position of the maintenance hole 5, the second jogged ring 74 is placed at the position of the limiting strip 71 inside the valve cylinder 1 from the position of the maintenance hole 5, then the first jogged ring 73 is placed at the position of the maintenance hole 5, the first jogged ring 73 and the second jogged ring 74 are spliced through mutual jogging of the jogged blocks and the jogged grooves, the connecting rod 72 is placed at the position of the maintenance hole 5, two ends of the connecting rod 72 are respectively inserted into the inner sides of the mounting holes 75 on the first jogged ring 73 and the second jogged ring 74, when the connecting rod 72 is placed, the position of the connecting rod 72 can be conveniently adjusted by rotating the jogged first jogged ring 73 and the jogged ring second jogged ring 74, after all the connecting rods 72 are inserted into all the mounting holes 75, all the connecting rods 72 are pushed to one side together, so that the clamping grooves at one end of the connecting rod 72 are jogged with the mounting bolts, after the clamping groove at one end of the connecting rod 72 is embedded with the mounting bolt, the clamping groove 76 on the connecting rod 72 is just positioned at the position of the rotating frame 77, the power-off operation is carried out on the telescopic spring connected with the clamping frame 717, the telescopic spring is used for rebounding to push the clamping frame 717 to clamp at the position of the clamping groove 76, when a rear worker rotates through the tool clamping driving column 710, the driving fluted disc 79 coaxial with the driving column 710 drives the rotating gear which is embedded with the driving fluted disc 79 to rotate when rotating, the outer toothed ring 714 is driven to rotate, the outer toothed ring 714 clamps the connecting rod 72 to rotate when rotating, the screwing and loosening operation is carried out on the mounting bolt on the fixed ring 2, the dismounting operation of the mounting bolt is completed, the length of the connecting rod 72 can be slidably adjusted, and the worker can dismount the mounting bolt on the fixed ring 2 at any distance at the position of the overhaul hole 5, more convenient and is beneficial to the improvement of the working efficiency.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (4)
1. The utility model provides a low temperature governing valve of high seal, includes valve section of thick bamboo (1), valve section of thick bamboo (1) upper surface one side integrated into one piece has regulating mouth (4), valve section of thick bamboo (1) upper surface opposite side integrated into one piece has access hole (5), regulating mouth (4) position department is rotated through the pivot and is connected with valve clack (3), valve section of thick bamboo (1) inside wall corresponds valve clack (3) position department integrated into one piece has solid fixed ring (2), characterized in that, filter screen frame (63) are installed to one side that is close to valve section of thick bamboo (1) inside wall in valve section of thick bamboo (1), valve section of thick bamboo (1) upper surface corresponds one side integrated into one side of filter screen frame (63) has suction cavity (67), valve section of thick bamboo (1) upper surface corresponds the opposite side integrated into one side of filter screen frame (63) has backward flow chamber (613), suction cavity (67) lateral wall corresponds one side integrated into one side of backward flow chamber (613) has sliding material pipeline (610), sliding material pipeline (610) are in suction cavity (67) and backward flow chamber (613) are in one side of being in suction cavity (67) one side rotation design, suction cavity (67) are connected in advance, suction cavity (61) are connected in advance in one side (61) rotation, the outer side wall of the transmission belt (62) is provided with a plurality of right-angle baffles, the middle position of the filter screen frame (63) is rotationally connected with a impurity scraping groove (64), the middle position inside the impurity scraping groove (64) is rotationally connected with a movable groove plate (65) through a rotating shaft, one end of the rotating shaft is provided with a transmission rotating wheel II (66), the outer side wall of the driving rotating shaft (61) is provided with a transmission rotating wheel I corresponding to the position of the transmission rotating wheel II (66), and the transmission rotating wheel I and the transmission rotating wheel II (66) are in transmission connection through a transmission belt (618);
A reciprocating frame (615) is arranged at the middle position of the suction cavity (67) and the reflux cavity (613), a reciprocating plate (616) is connected inside the reciprocating frame (615) in a sliding manner, a telescopic hose (619) is arranged at the middle position of the lower surface of the reciprocating plate (616), a transmission rotating wheel III (617) is rotationally connected at the middle position of the upper surface of the reciprocating frame (615), a reciprocating screw is rotationally connected at the position of the reciprocating frame (615) corresponding to the transmission rotating wheel III (617), a suction channel (621) is formed at the position of the upper surface of the sliding pipeline (610) corresponding to the telescopic hose (619), a material blocking filter plate (620) is arranged below the inner part of the suction channel (621), and a suction pipe is arranged at the position of the lower surface of the reciprocating frame (615) corresponding to the suction channel (621);
The middle position of the upper surface of the backflow cavity (613) is rotationally connected with a lifting screw (612), the lower end of the lifting screw (612) is provided with a lower pressing plate (614), one side, close to the sliding material pipeline (610), of the outer side wall of the lower pressing plate (614) is rotationally connected with a movable inclined plate, a impurity filtering plate (68) is installed below the inner side wall of the backflow cavity (613), and the sliding material pipeline (610) is rotationally connected with a rotating baffle (611) corresponding to the position of the backflow cavity (613);
The material sucking cavity (67) is characterized in that a transmission box (69) is arranged at the position of the driving rotating shaft (61) corresponding to the outer side wall of the material sucking cavity (67), a first rotating wheel is arranged at the position of the driving rotating shaft (61) corresponding to the inner side of the transmission box (69), a first toothed rotating wheel is connected at the right-angle position of the transmission box (69) in a rotating mode, a second toothed rotating wheel is connected at the position of the first toothed rotating wheel corresponding to the right-angle position of the transmission box (69), a second rotating wheel is connected at the position of the third transmitting wheel (617) corresponding to the inner side of the transmission box (69), a third rotating wheel is connected at the position of the lifting screw (612) in a rotating mode, and threads are formed in the position of the lifting screw (612) corresponding to the inner side of the third rotating wheel.
2. The high-tightness low-temperature regulating valve according to claim 1, wherein four groups of limiting strips (71) are installed on the lower surface inside the valve cylinder (1) corresponding to the position of the overhaul port (5), two groups of limiting strips (71) are slidably connected with a first embedded ring (73) at the middle position of the first embedded ring (74), a plurality of uniformly distributed mounting holes (75) are formed in the outer side walls of the first embedded ring (73) and the second embedded ring (74), connecting rods (72) are arranged in the mounting holes (75), clamping grooves (76) are formed in the two sides of the outer side walls of the connecting rods (72), one end of the second embedded ring (74) is provided with the embedded grooves, and the other end of the second embedded ring (74) is integrally formed with the embedded blocks.
3. The low-temperature regulating valve with high tightness according to claim 2, wherein a telescopic cavity is formed in the embedded block, a movable limiting block (712) is installed in the telescopic cavity through a telescopic spring, embedded holes are formed in the positions, corresponding to the movable limiting block (712), of two sides of the embedded groove, a regulating cavity is formed in the position, corresponding to the movable limiting block (712), of the inner side wall of the embedded ring II (74), a disassembling button (711) is installed in the regulating cavity through the telescopic spring, a supporting frame (78) is uniformly formed in the embedded ring I (73) and the embedded ring II (74), a rotating cavity is formed in the supporting frame (78), a driving fluted disc (79) is connected in the rotating cavity in a rotating mode, and a driving column (710) is connected in the position, corresponding to the driving fluted disc (79), of the outer side wall of the supporting frame (78).
4. The high-tightness low-temperature regulating valve according to claim 3, wherein brackets (713) are installed at positions of outer side walls of the supporting frames (78) corresponding to the installation holes (75), a rotating frame (77) is integrally formed at one end of each bracket (713) corresponding to each installation hole (75), rotating grooves (716) are formed at middle positions of outer side walls of the rotating frame (77), sliding grooves are formed in upper and lower surfaces of the inner sides of the rotating grooves (716), outer tooth rings (714) are slidably connected with inner clamping blocks (715) integrally formed at two sides of inner side walls of the outer tooth rings (714), clamping frames (717) are slidably connected at positions of inner rotating cavities of the inner clamping blocks (715) corresponding to the rotating frames (77), a plurality of first rotating gears are rotatably connected at positions of the inner rotating cavities of the supporting frames (78) corresponding to the positions of the brackets (713), second rotating gears are rotatably connected at positions of the inner rotating cavities of the inner clamping blocks (713) corresponding to the positions of the rotating gears of the outer tooth rings (713).
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| CN116164117A (en) * | 2022-12-19 | 2023-05-26 | 成都腾塬祥阀门有限公司 | Kong Diwen butterfly valve with overhauling function |
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| KR20090040692A (en) * | 2007-10-22 | 2009-04-27 | 김상철 | Coupling structure of valve for cleaning pipe |
| CN211820770U (en) * | 2019-12-20 | 2020-10-30 | 李金亮 | Valve with anti-blocking function |
| CN219432460U (en) * | 2022-12-22 | 2023-07-28 | 苏州鼎恒环保技术有限公司 | Eccentric butterfly valve |
| CN116398649B (en) * | 2023-06-09 | 2023-08-22 | 福建省南安兴泰阀门有限公司 | Corrosion-resistant valve casting |
| CN116771947A (en) * | 2023-08-18 | 2023-09-19 | 南通龙源电站阀门有限公司 | Ball valve with self-cleaning function |
| CN116771948B (en) * | 2023-08-23 | 2023-11-28 | 艾坦姆流体控制技术(山东)有限公司 | Eccentric rotary valve with anti-blocking function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116164117A (en) * | 2022-12-19 | 2023-05-26 | 成都腾塬祥阀门有限公司 | Kong Diwen butterfly valve with overhauling function |
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| 王晨 ; .对一种新污泥阀设计思路的初步探讨.中国高新技术企业.2009,(第21期),第30-33页. * |
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