CN116255463B - Double-plate adjusting butterfly valve - Google Patents
Double-plate adjusting butterfly valve Download PDFInfo
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- CN116255463B CN116255463B CN202310254850.3A CN202310254850A CN116255463B CN 116255463 B CN116255463 B CN 116255463B CN 202310254850 A CN202310254850 A CN 202310254850A CN 116255463 B CN116255463 B CN 116255463B
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- 238000007789 sealing Methods 0.000 claims abstract description 75
- 238000012856 packing Methods 0.000 claims description 11
- 230000002457 bidirectional effect Effects 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 238000012360 testing method Methods 0.000 abstract description 5
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 238000005553 drilling Methods 0.000 abstract description 2
- 238000009423 ventilation Methods 0.000 abstract description 2
- 241000446313 Lamella Species 0.000 description 36
- 230000008094 contradictory effect Effects 0.000 description 7
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/223—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves with a plurality of valve members
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/54—Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The application relates to the field of aviation wind tunnel equipment, in particular to a double-plate adjusting butterfly valve, which comprises a valve body, wherein a through cavity for ventilation is formed in the valve body in a penetrating manner, at least two valve clacks are rotationally arranged in the valve body, at least two driving components are arranged on the valve body, one driving component is used for driving one valve clack to rotate, the side wall of the valve clack is used for abutting and sealing with the inner wall of the through cavity, and the side wall of the adjacent valve clacks are used for abutting and sealing with each other. The application has the effect of meeting the use requirement of the test wind tunnel of the high-thrust aviation hole drilling machine.
Description
Technical Field
The application relates to the field of aviation wind tunnel equipment, in particular to a double-plate adjusting butterfly valve.
Background
In an aeroplane, the importance of the aeroengine is not obvious, the performance test is an important link in the development process of the aeroengine, and the current test of the aeroengine mainly comprises the steps of manually generating and controlling air flow through a wind tunnel so as to simulate the flow of surrounding air when the aeroengine flies at high altitude, observing the effect of the air flow on the aeroengine, further realizing the ground test of various performances of the aeroengine, and greatly reducing the development speed and cost of a new generation aeroengine.
The maximum thrust of the civil aero-engine in China is 35 tons, the maximum thrust of the civil aero-engine in the world is 58 tons, and the thrust of the military aero-engine is the same with the gap. In order to develop an aeroengine with larger thrust, a wind tunnel with stronger adaptability is also required to be tested, the current Asian-model maximum middle aviation Sichuan gas turbine institute aims to realize the transportation and adjustment of ultra-large flow gas by building an ultra-large wind tunnel, the current ultra-large caliber butterfly valve product cannot meet the use requirement of the test wind tunnel of the aeroengine with large thrust, and the core technology of the aeroengine cannot be solved through import, so that the research and development are urgently needed.
Disclosure of Invention
The application provides a double-plate adjusting butterfly valve, which aims to solve the problem that the existing butterfly valve is difficult to meet the use requirement of a test wind tunnel of a high-thrust aviation hole drilling machine.
The application provides a double-plate regulating butterfly valve, which adopts the following technical scheme:
the utility model provides a double-plate regulation butterfly valve, includes the valve body, run through in the valve body and offered the logical chamber that is used for ventilating, the valve body rotation is provided with two at least valve clacks, be provided with two at least drive assembly on the valve body, one drive assembly is used for driving a valve clack and rotates, the valve clack lateral wall is used for contradicting the laminating with logical intracavity wall and seals, and is adjacent the valve clack lateral wall is used for contradicting each other and seals.
By adopting the technical scheme, the valve clacks are increased from one to two on the premise of ensuring the unchanged thickness of the valve body, so that the valve clacks are changed from one to two under the condition of unchanged thickness of the rotating shafts of the valve clacks, the impact force of the airflow is dispersed to the two valve clacks when the valve clacks are closed, the rotating shafts of the two valve clacks are dispersed to bear stress, the stress performance of the rotating shafts of the valve clacks is greatly improved compared with that of a butterfly valve with a single valve clack, and the valve clacks still have enough strength and tightness under the condition of ensuring that the volume of the valve body is larger and the flow speed of the airflow is faster; meanwhile, the valve clacks and the driving assembly are in one-to-one correspondence, so that the two valve clacks can rotate respectively, the variability of gas flowing through the valve body is stronger, for example, one valve clack is opened, the other valve clack is closed, the state of an aeroengine when the aircraft flies in a high wind speed region and a low wind speed region to lift and shuttle can be simulated, and the simulation range is greatly expanded.
Optionally, the valve clack includes the valve rod, be formed with the mounting hole that is used for supplying the valve rod to insert on the valve body, the valve rod inserts to the valve body internal rotation, the center of mass of valve clack coincides with the rotation central axis of valve rod, the centroid of valve clack coincides with the rotation central axis of valve rod.
By adopting the technical scheme, the centroid and the centroid of the valve clack are overlapped on the rotation central shaft of the valve rod, so that the valve clack cannot deflect under the action of gravity under the condition of not being influenced by airflow, and the inclination of the inertia force of the valve clack to continue rotating towards the rotation direction when the driving assembly controls the valve rod to stop rotating is reduced because the centroid is arranged on the rotation central shaft, thereby the probability of the valve rod receiving larger torsion force is greatly reduced; the probability that the barycenter of the valve clack moves downwards if the barycenter and the centroid are not on the rotating central shaft is reduced, and the probability that the sudden acceleration is blocked when the driving assembly starts to rotate the valve clack at the moment is reduced, so that the dynamic corresponding speed of the valve plate is improved.
Optionally, the valve clack still includes the lamella body, set up on the lamella body and be used for supplying valve rod male lamella hole, the valve rod inserts in the lamella body in order to drive the lamella body and rotate, the lamella body includes arc lamella, fang Ban, arc lamella and square lamella symmetry set up in the both sides of valve rod, arc lamella lateral wall is used for contradicting on leading to the intracavity wall with sealedly, square lamella is used for contradicting with Fang Ban on the adjacent valve rod with sealedly, be provided with the closing plate on leading to the intracavity lateral wall, the closing plate is located between the adjacent valve rod, square lamella still is used for contradicting on the closing plate with sealedly.
Through adopting above-mentioned technical scheme, the arc side through the arc lamella is contradicted with the arc inner wall of leading to the chamber and is realized sealing, the conflict of rethread square lamella and closing plate is realized and the conflict of square lamella and adjacent square lamella is realized sealing between two valve stems, because the bivalve lamella is different with single valve lamella shape, if the valve lamella shape of bivalve lamella is circular with single valve lamella, then can lead to the diameter of two valve lamella to add and equal the diameter of leading to the chamber cross-section, make a large amount of spaces of inside of leading to the chamber need direct shutoff seal, only keep the space of two valve lamella areas for valve lamella rotation control to open and close, lead to a large amount of space waste, so the valve lamella shape of bivalve lamella adopts convex and square combination, the space utilization of bivalve lamella has been improved.
Optionally, the arc lamella includes the arc board that sets up on the valve rod and sets up the first gusset between arc board and valve rod, the square lamella includes the square board that sets up on the valve rod and sets up the second gusset between square lamella and valve rod.
By adopting the technical scheme, the first rib plates and the arc plates enable the arc valve to have a clearance space, and meanwhile, the first rib plates ensure the structural strength of the arc plates, so that the effect of the arc valve quality is reduced on the premise that the structural strength is met; the second rib plates and the square plates enable clearance spaces to exist in the square petals, meanwhile, the structural strength of the square plates is guaranteed through the second rib plates, and the effect of reducing the quality of the square petals on the premise that the structural strength is met is achieved; the valve clack and the valve rod are combined, and the mass of the valve clack is reduced on the premise that the structural strength of the valve clack is enough, so that the rotational inertia of the valve clack borne by the valve rod is further reduced.
Optionally, be provided with the arc strip on the logical intracavity wall, the arc groove has been seted up on the arc strip, first seal groove has been seted up on the arc lamella, arc inslot wall is contradicted sealedly with first seal groove inner wall, first conflict groove has been seted up on the closing plate, the second conflict groove has been seted up on the square lamella, first conflict inslot wall is contradicted with the second conflict inslot wall and is sealed, be provided with the sealing strip on the square lamella, be provided with the cutting on the sealing strip, be formed with the second seal groove between Fang Ban lateral wall and the cutting lateral wall, the second seal groove is used for supplying the cutting on the adjacent square lamella to insert in order to seal.
By adopting the technical scheme, the contact area between the inner wall of the through cavity and the arc valve is increased by abutting and sealing the inner wall of the arc groove and the inner wall of the first sealing groove, so that the sealing effect is improved; the contact area between the sealing plate and the square valve is increased by abutting and sealing the inner walls of the first abutting groove and the second abutting groove, so that the sealing effect is improved; the second sealing groove is inserted through the cutting, so that the contact area between adjacent square petals is increased, and the sealing effect is improved.
Optionally, be provided with aligning bearing and slide bearing on the mounting hole inner wall, aligning bearing and slide bearing all overlap and establish on the valve rod, still be provided with two-way packing layer between valve rod lateral wall and the mounting hole inner wall, aligning bearing is last to be inlayed and to be used for with the valve rod conflict sealed first sealing washer and be used for with the mounting hole inner wall conflict sealed second sealing washer.
By adopting the technical scheme, the valve rod is supported by the aligning bearing and the sliding member Zhou Shuangchong, so that the rotation precision of the valve rod is ensured, and a small enough circumferential gap is ensured, so that the valve rod is difficult to shift during working; the bidirectional packing layer is used for resisting pressure from the inner direction and the outer direction, so that the two sliding directions of the valve rod are blocked and limited, and the sealing under the negative pressure working condition is ensured; the first sealing ring and the second sealing ring ensure that the self-aligning bearing is not affected by corrosion, and ensure that the self-aligning bearing works reliably outdoors for a long time.
Optionally, the slot has been seted up on the valve rod outer lane lateral wall, the last rotation of lamella hole inner wall is provided with the inserted block, the inserted block is used for turning into in the slot, the length of the articulated department of inserted block to the terminal portion lateral wall of inserted block is greater than the distance between the articulated department of inserted block to the slot diapire.
Through adopting above-mentioned technical scheme, when the valve rod inserts to the lamella downthehole, the inserted block will conflict and slide on the valve rod lateral wall, and when the valve rod was pulled out this moment, the inserted block will fall into in the slot, and the inserted block is contradicted with the slot inner wall this moment for the valve rod is difficult to pull out, thereby accomplishes the location to the valve rod, and supplementary completion follow-up valve rod and the valve clack between fixed process, made things convenient for staff's processing.
Optionally, the number of the slots is a plurality of, and the slots are arranged in a staggered manner.
By adopting the technical scheme, the number of the slots disperses the stress between the insert blocks and the inner walls of the slots, so that the pressure between the single insert block and the inner walls of the slots is smaller, and the upper limit of the overall stress is increased; the slots are arranged in a staggered manner, so that the stress on the inner walls of the slots is more uniform, namely, the valve rod is more uniformly resistant by the plug, and the integral integrity of the valve rod is protected.
Optionally, the valve rod is further provided with a ring groove, and the slot is formed in the bottom wall of the ring groove.
Through adopting above-mentioned technical scheme, encircle and offer on the valve rod through the annular for when the valve rod was rolled back, the dog all can fall in the annular and realize contradicting, when having reduced the dog and not aligned with the slot, the valve rod was rolled back, and the dog is difficult to insert the slot and plays the probability that the effect was hindered to the valve rod, makes the annular carry out spacing of first step to the joint of dog, and the dog can make the dog shift into to the slot after the dog falls into the annular again to the valve rod, has made things convenient for staff's installation.
Optionally, a clamping groove is formed in the inner wall of the annular groove, the clamping groove is communicated with the slot, the clamping groove is used for allowing the insert block to rotate in, and the inner wall of the clamping groove is abutted against the insert block to limit the insert block to slide.
Through adopting above-mentioned technical scheme, through seting up the draw-in groove on the annular inner wall for in the inserted block can insert draw-in groove and slot simultaneously, reduced because of in the slot that needs make the inserted block fall into the degree of depth deeper, in being difficult to continue whereabouts to the slot in order to prevent that the inserted block from contradicting at the annular inner wall, caused the probability of seting up the width of annular and needing the degree of depth of cooperation slot, made seting up the width of annular can suitably reduce, reduced the fluting to the influence of valve rod structural strength.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the valve clack rotation axis atress performance improves greatly, has guaranteed under the circumstances that the valve body is bigger, the air current velocity of flow is faster, and the valve clack still can possess sufficient intensity and leakproofness, and two valve clacks can rotate respectively for the variability of the gas that flows through in the valve body is stronger, has enlarged the scope of simulation greatly.
2. The rotational inertia is greatly reduced, and the dynamic corresponding speed of the valve plate is improved.
3. The valve rod and the valve clack are convenient to install.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a double plate butterfly valve according to an embodiment of the application.
Fig. 2 is a schematic cross-sectional view taken along line A-A in fig. 1.
Fig. 3 is a schematic diagram showing the structure of the valve flap.
Fig. 4 is a schematic cross-sectional view taken along line B-B of fig. 1.
Fig. 5 is a schematic view showing the structure of the first interference groove.
Fig. 6 is an enlarged schematic view of the structure at C in fig. 4.
Fig. 7 is an enlarged schematic view of the structure at D in fig. 4.
Fig. 8 is an enlarged schematic view of the structure at E in fig. 2.
Fig. 9 is a schematic structural view of the valve stem.
Fig. 10 is an enlarged schematic view of the structure at F in fig. 9.
Fig. 11 is an enlarged schematic view of the structure at G in fig. 2.
Reference numerals illustrate: 1. a valve body; 11. a cavity is communicated; 12. a mounting hole; 121. an arc-shaped strip; 122. an arc-shaped groove; 13. aligning the bearing; 131. a sliding bearing; 132. a bidirectional filler layer; 133. a first seal ring; 134. a second seal ring; 14. positioning the cover; 2. a valve flap; 21. a valve stem; 211. a valve body; 212. a flap aperture; 213. a valve ring; 22. arc valve; 221. an arc plate; 222. a first rib plate; 223. a first seal groove; 23. square petals; 231. a square plate; 232. a second rib plate; 233. a second interference groove; 234. a sealing strip; 235. cutting; 236. a second seal groove; 24. a sealing plate; 241. a first interference groove; 3. a drive assembly; 4. a slot; 41. inserting blocks; 42. a ring groove; 43. a clamping groove.
Detailed Description
The application is described in further detail below with reference to fig. 1-11.
The embodiment of the application discloses a double-plate regulating butterfly valve. Referring to fig. 1, the double-plate regulating butterfly valve comprises a valve body 1, a through cavity 11 for ventilation is formed in the valve body 1 in a penetrating manner, two valve clacks 2 are arranged in the valve body 1 in a rotating manner, two driving assemblies 3 are arranged on the valve body 1, the driving assemblies 3 are in one-to-one correspondence with the valve clacks 2, one driving assembly 3 is used for driving one valve clack 2 to rotate, the side wall of the valve clack 2 is used for being in abutting joint sealing with the inner wall of the through cavity 11, and the side walls of the adjacent valve clacks 2 are in abutting joint with each other to realize sealing. In this embodiment, the driving assembly 3 may be connected to the valve flap 2 by hydraulic means to provide sufficient power.
Referring to fig. 1, 2 and 3, the valve clack 2 includes a valve rod 21, four mounting holes 12 for the valve rod 21 to penetrate are formed on the valve body 1, each two corresponding mounting holes 12 are combined into a group to match with one valve rod 21, the valve rod 21 is inserted from the opening surface of one mounting hole 12 far away from the valve body 1, and then the valve rod 21 penetrates through the cavity 11 to be inserted into the same group of mounting holes 12 and penetrates out from the valve body 1. The valve rod 21 is inserted into the valve body 1 and rotates, so that the valve clack 2 is driven to rotate, the rotation center shaft of the valve rod 21 is the rotation center shaft of the valve clack 2, the centroid of the valve clack 2 coincides with the rotation center shaft of the valve rod 21, and the centroid of the valve clack 2 coincides with the rotation center shaft of the valve rod 21.
Referring to fig. 2 and 3, the valve clack 2 further includes a clack body 211, a clack hole 212 for inserting the valve rod 21 is formed in the clack body 211 in a penetrating manner, after the valve rod 21 is inserted into the clack body 211, the valve rod 21 and the clack body 211 are fixed through a fixture, and a transmission pin is matched, so that the valve rod 21 rotates to drive the clack body 211 to rotate. The valve body 211 is divided into a valve ring 213, arc valve 22 and Fang Ban, the valve hole 212 is formed in the center of the valve ring 213, the arc valve 22 and square valve 23 are fixedly connected to the outer side wall of the valve ring 213, and the arc valve 22 and square valve 23 are separated along the extending direction of the valve hole 212, namely, the arc valve 22 and square valve 23 are symmetrically located at two sides of the valve ring 213. The outer ring side wall of the arc valve 22 close to the inner wall of the through cavity 11 is arc-shaped, so that the outer ring side wall of the arc valve 22 abuts against the inner wall of the through cavity 11 to seal.
Referring to fig. 1 and 2, the square-shaped valve 23 is located in a space between two valve rods 21, that is, the square-shaped valve 23 is located at a position where the valve rod 21 is close to the side wall of the adjacent valve rod 21, so that the side wall of the end of the Fang Ban facing the adjacent valve rod 21 is used for abutting against the side wall of the square-shaped valve 23 on the adjacent valve rod 21 to realize sealing, which is the width direction of the square-shaped valve 23. The sealing plates 24 are fixedly connected to the side walls of the through cavity 11 between the two valve rods 21, the sealing plates 24 are located between the adjacent valve rods 21, the sealing plates 24 extend from one valve rod 21 towards the direction close to the other valve rod 21, the number of the sealing plates 24 is two, the two sealing plates 24 are symmetrically located on the inner wall of the through cavity 11, and the side walls of the end parts of the square petals 23 in the length direction are abutted against the sealing plates 24 to achieve sealing.
Referring to fig. 2 and 3, the arc vane 22 includes two arc plates 221 fixedly connected to the valve ring 213 and a plurality of first rib plates 222, the ends of the two arc plates 221 are fixedly connected to the positions of the outer ring side walls of the valve ring 213 far away from each other, the other ends of the two arc plates 221 are fixedly connected together, the plurality of first rib plates 222 are fixedly connected to the inner walls of the two arc plates 221, the first rib plates 222 are also fixedly connected to the outer ring side walls of the valve ring 213, and the extending directions of the plurality of first rib plates 222 are parallel to each other.
Referring to fig. 2 and 3, the square vane 23 includes two square plates 231 fixedly connected to the valve ring 213 and a plurality of second rib plates 232, the ends of the two square plates 231 are fixedly connected to the positions of the outer ring side walls of the valve ring 213 far away from each other, the positions of the upper ends of the square plates 231 connected to the valve ring 213 are the same as those of the arc plates 221, the other end parts of the two square plates 231 are fixedly connected together, the plurality of second rib plates 232 are fixedly connected to the inner walls of the two square plates 231, the second rib plates 232 are fixedly connected to the outer ring side walls of the valve ring 213, and the extending directions of the plurality of second rib plates 232 are parallel to each other.
Referring to fig. 4, 5 and 6, two arc-shaped strips 121 are fixedly connected to the inner wall of the through cavity 11, and the arc-shaped strips 121 extend from the end part of the valve rod 21 in the valve body 1 to the end part of the other end of the same valve rod 21, and the length direction of the arc-shaped strips 121 extends in an arc shape along the inner wall of the through cavity 11. The side wall of the arc-shaped strip 121 facing the center of the through cavity 11 is provided with an arc-shaped groove 122, the arc-shaped groove 122 is arranged in an extending mode along the length direction of the arc-shaped strip 121, and the arc-shaped groove 122 enables the section of the arc-shaped strip 121 to be in a step shape. The arc valve 22 is provided with a first sealing groove 223 on the arc outer ring side wall, the first sealing groove 223 extends along the arc outer ring side wall of the arc valve 22, the first sealing groove 223 is provided with a step-shaped section which enables the arc valve 22 to be provided with the arc outer ring side wall, and when the arc valve 22 rotates to a sealing state, the inner wall of the arc groove 122 is abutted against the inner wall of the first sealing groove 223 to realize sealing.
Referring to fig. 5, a first abutting groove 241 is formed on a side wall of the sealing plate 24 facing the center of the through cavity 11, the first abutting groove 241 is formed along a length direction of the sealing plate 24, the first abutting groove 241 is formed to make a section of the sealing plate 24 be stepped, the first abutting groove 241 on the sealing plate 24 is divided into two sections, the two first abutting grooves 241 are symmetrical with each other with a center of a length of the sealing plate 24, the first abutting groove 241 is formed from a position of the sealing plate 24, which is close to the valve rod 21, toward a center direction of the length of the sealing plate 24, the length of the first abutting groove 241 is slightly greater than half of the length of the sealing plate 24, and the two sections respectively correspond to the two square petals 23.
Referring to fig. 3 and 5, a second abutting groove 233 is formed on the end sidewall of the square petal 23 in the length direction, the second abutting groove 233 is formed to extend along the width direction of the square petal 23, the second abutting groove 233 is formed to make the cross section of the end sidewall of the square petal 23 in the length direction be in a step shape, and when the square petal 23 rotates to a closed state, the inner wall of the first abutting groove 241 abuts against the inner wall of the second abutting groove 233 to achieve sealing.
Referring to fig. 7, a sealing strip 234 is fixedly connected to the side wall of the square petal 23 in the length direction, the thickness of the sealing strip 234 is smaller than that of the side wall of the end part of the square petal 23 where the sealing strip 234 is located, and the sealing strip 234 extends along the length direction of the square petal 23. The side wall of the sealing strip 234 in the length direction is fixedly connected with an inserting strip 235, a second sealing groove 236 is formed between the side wall of the square valve 23 where the inserting strip 235 faces to itself and the side wall of the Fang Ban, and the second sealing groove 236 is used for allowing the inserting strip 235 on the adjacent square valve 23 to be inserted and abutted so as to realize sealing.
Referring to fig. 8, a self-aligning bearing 13 and a sliding bearing 131 are mounted on the inner wall of the mounting hole 12, the self-aligning bearing 13 and the sliding bearing 131 are both sleeved on the valve rod 21, the self-aligning bearing 13 and the outer ring side wall of the sliding bearing 131 are abutted on the inner wall of the mounting hole 12, the self-aligning bearing 13 and the inner ring side wall of the sliding bearing 131 are abutted on the outer ring side wall of the valve rod 21, and the sliding bearing 131 is located at a position close to the through cavity 11. Still interference fit has two-way packing layer 132 between valve rod 21 lateral wall and the mounting hole 12 inner wall, and two-way packing layer 132 is located between aligning bearing 13 and slide bearing 131, and the outer lane lateral wall of two-way packing layer 132 is contradicted on mounting hole 12 inner circle lateral wall, and two-way packing layer 132 inner circle lateral wall is contradicted on valve rod 21 lateral wall, and in this embodiment, two V type packs are adopted to two-way packing layer 132, and the protruding opposite direction of two V type packs. The first sealing ring 133 and the second sealing ring 134 are embedded on the self-aligning bearing 13, the first sealing ring 133 is embedded on the inner ring side wall of the self-aligning bearing 13, and the first sealing ring 133 is sleeved on the outer ring side wall of the valve rod 21 and is used for abutting against the valve rod 21 to realize sealing. The second sealing ring 134 is embedded on the outer ring side wall of the aligning bearing 13, and the second sealing ring 134 is abutted against the inner ring side wall of the mounting hole 12 and is used for abutting against the inner wall of the mounting hole 12 to realize sealing. In this embodiment, the bidirectional packing layer 132, the first sealing ring 133 and the second sealing ring 134 are made of wear-resistant flexible materials, such as wear-resistant rubber, wear-resistant emulsion, and the like.
Referring to fig. 9, 10 and 11, a plurality of ring grooves 42 are formed in the outer ring side wall of the valve rod 21, the ring grooves 42 are circumferentially and circumferentially formed, the ring grooves 42 are uniformly distributed along the length direction of the valve rod 21, a plurality of insert blocks 41 are hinged to the inner wall of the valve hole 212, the length direction of each insert block 41 extends from the hinged position to the direction close to the valve rod 21, the end parts of the insert blocks 41 are used for being inserted into the ring grooves 42, the maximum distance from the hinged position of each insert block 41 to the end parts of the insert blocks 41 is the length of each insert block 41, the depth of the shortest distance from the hinged position of each insert block 41 to the outer ring side wall of the valve rod 21 plus the depth of the ring groove 42 is smaller than the length of each insert block 41, and when the end parts of the insert blocks 41 are inserted into the ring grooves 42, the insert blocks 41 obliquely abut against the inner wall of the ring grooves 42.
Referring to fig. 10 and 11, a plurality of slots 4 are formed in the bottom wall of the ring groove 42, a plurality of slots 4 in the same ring groove 42 are arranged in one group, a plurality of slots 4 in the same group are uniformly distributed on the bottom wall of the ring groove 42 in the circumferential direction, two groups of slots 4 in adjacent ring grooves 42 are formed in a staggered manner, the inserting blocks 41 are used for being inserted into the slots 4, the inserting blocks 41 are in one-to-one correspondence with the inserting slots 4, and the sum of the depth of the inserting slots 4 and the shortest distance from the hinging position of the inserting blocks 41 to the outer side wall of the valve rod 21 is smaller than the length of the inserting blocks 41. The clamping groove 43 is formed in the inner wall of the slot 4, the clamping groove 43 is further communicated with the annular groove 42, the clamping groove 43 penetrates out of the valve rod 21 from the slot 4, the plug 41 falls into the clamping groove 43, and the side walls on the two sides of the length direction of the plug 41 are abutted against the inner wall of the clamping groove 43, so that the displacement of the plug 41 is limited.
Referring to the original land 8, a positioning cover 14 is arranged on the upper cover of the mounting hole 12, and the positioning cover 14 is fixedly connected to the outer side wall of the valve body 1 around the opening surface of the mounting hole 12 through bolts.
The implementation principle of the double-plate regulating butterfly valve provided by the embodiment of the application is as follows: during installation, the valve body 211 can be firstly hung into the through cavity 11, then the valve rod 21 is inserted into the valve hole 212 through the mounting hole 12 at one side of the valve body 1, when the valve rod 21 is inserted into a designated depth, the valve rod 21 is retracted, the plug block 41 falls into the annular groove 42 at the moment and is difficult to retract continuously when the end part of the valve rod 21 is abutted against the side wall of the annular groove 42, the valve rod 21 is rotated to enable the plug block 41 to continuously rotate and fall into the clamping groove 43, at the moment, the inner wall of the clamping groove 43 is abutted against the side walls at two sides of the length direction of the plug block 41, the valve rod 21 is difficult to continuously rotate, then the sliding bearing 131, the bidirectional packing layer 132 and the aligning bearing 13 are sequentially installed from the inner side wall of the valve rod 21 to the mounting hole 12 outside the valve body 1, at the moment, the force generated in the mounting process is blocked by the plug block 41, finally the positioning cover 14 is covered and fixed on the opening surface of the valve body 1, at the moment, the end part of the valve rod 21 is abutted against the inner wall of the positioning cover 14, then the sliding bearing 131, the bidirectional packing layer 132 and the aligning bearing 13 of the outer ring of the valve rod 21 at the other mounting hole 12 are blocked by the inner wall of the positioning cover.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (7)
1. The utility model provides a double-plate regulation butterfly valve, includes valve body (1), run through in valve body (1) and offered logical chamber (11) that are used for ventilating, its characterized in that: at least two valve clacks (2) are rotationally arranged on the valve body (1), at least two driving assemblies (3) are arranged on the valve body (1), one driving assembly (3) is used for driving one valve clack (2) to rotate, the side walls of the valve clacks (2) are used for abutting and sealing with the inner wall of the through cavity (11), and the side walls of the adjacent valve clacks (2) are used for abutting and sealing with each other;
the valve clack (2) comprises a valve rod (21), a mounting hole (12) for the valve rod (21) to be inserted is formed in the valve body (1), the valve rod (21) is inserted into the valve body (1) to rotate, the centroid of the valve clack (2) coincides with the rotation central axis of the valve rod (21), and the centroid of the valve clack (2) coincides with the rotation central axis of the valve rod (21);
the valve clack (2) further comprises a valve body (211), a valve hole (212) for allowing the valve rod (21) to be inserted is formed in the valve body (211), the valve rod (21) is inserted into the valve body (211) to drive the valve body (211) to rotate, the valve body (211) comprises arc valve pieces (22) and Fang Ban (23), the arc valve pieces (22) and Fang Ban (23) are symmetrically arranged on two sides of the valve rod (21), the side wall of the arc valve piece (22) is used for abutting against the inner wall of the through cavity (11) to be sealed, the Fang Ban (23) is used for abutting against the Fang Ban (23) on the adjacent valve rod (21) to be sealed, a sealing plate (24) is arranged on the side wall of the through cavity (11), the sealing plate (24) is located between the adjacent valve rods (21), and the Fang Ban (23) is also used for abutting against the sealing plate (24) to be sealed.
The novel valve is characterized in that a slot (4) is formed in the outer ring side wall of the valve rod (21), an inserting block (41) is rotatably arranged on the inner wall of the valve hole (212), the inserting block (41) is used for being rotated into the slot (4), and the length from the hinging position of the inserting block (41) to the side wall of the end part of the inserting block (41) is larger than the distance from the hinging position of the inserting block (41) to the bottom wall of the slot (4).
2. A double plate butterfly valve according to claim 1, wherein: the arc valve (22) comprises an arc plate (221) arranged on the valve rod (21) and a first rib plate (222) arranged between the arc plate (221) and the valve rod (21), and the Fang Ban (23) comprises a square plate (231) arranged on the valve rod (21) and a second rib plate (232) arranged between the square valve (23) and the valve rod (21).
3. A double plate butterfly valve according to claim 1, wherein: the utility model discloses a solar cell module, including lead to chamber (11) inner wall, be provided with arc strip (121) on the inner wall of chamber (11), arc strip (121) are last to have seted up arc groove (122), first seal groove (223) have been seted up on arc flap (22), arc groove (122) inner wall and first seal groove (223) inner wall conflict seal, first conflict groove (241) have been seted up on closing plate (24), second conflict groove (233) have been seted up on Fang Ban (23), first conflict groove (241) inner wall contradicts with second conflict groove (233) inner wall and seals, be provided with sealing strip (234) on Fang Ban (23), be provided with cutting (235) on sealing strip (234), be formed with second seal groove (236) between Fang Ban (23) lateral wall and cutting (235) lateral wall, second seal groove (236) are used for supplying cutting (235) on the adjacent Fang Ban (23) to insert with sealedly.
4. A double plate butterfly valve according to claim 1, wherein: the self-aligning valve is characterized in that a self-aligning bearing (13) and a sliding bearing (131) are arranged on the inner wall of the mounting hole (12), the self-aligning bearing (13) and the sliding bearing (131) are sleeved on the valve rod (21), a bidirectional packing layer (132) is further arranged between the side wall of the valve rod (21) and the inner wall of the mounting hole (12), and a first sealing ring (133) for abutting and sealing with the valve rod (21) and a second sealing ring (134) for abutting and sealing with the inner wall of the mounting hole (12) are embedded on the self-aligning bearing (13).
5. A double plate butterfly valve according to claim 1, wherein: the number of the slots (4) is a plurality, and the slots (4) are arranged in a staggered mode.
6. A double plate butterfly valve according to claim 1, wherein: the valve rod (21) is also provided with a ring groove (42), and the slot (4) is arranged on the bottom wall of the ring groove (42).
7. The double plate butterfly valve of claim 6 wherein: the slot (42) is provided with a clamping groove (43) on the inner wall, the clamping groove (43) is communicated with the slot (4), the clamping groove (43) is used for allowing the inserting block (41) to rotate in, and the inner wall of the clamping groove (43) is abutted to the inserting block (41) to limit the sliding of the inserting block (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310254850.3A CN116255463B (en) | 2023-03-09 | 2023-03-09 | Double-plate adjusting butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310254850.3A CN116255463B (en) | 2023-03-09 | 2023-03-09 | Double-plate adjusting butterfly valve |
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| Publication Number | Publication Date |
|---|---|
| CN116255463A CN116255463A (en) | 2023-06-13 |
| CN116255463B true CN116255463B (en) | 2023-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310254850.3A Active CN116255463B (en) | 2023-03-09 | 2023-03-09 | Double-plate adjusting butterfly valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204878759U (en) * | 2015-06-12 | 2015-12-16 | 江苏特一机械股份有限公司 | Two board -like water seal butterfly valves |
| CN109237084A (en) * | 2018-11-02 | 2019-01-18 | 浙江理工大学 | Bivalve non-return butterfly valve |
| CN209115739U (en) * | 2018-11-02 | 2019-07-16 | 浙江理工大学 | A kind of bivalve non-return butterfly valve |
| CN215214771U (en) * | 2021-03-31 | 2021-12-17 | 湖北洪城通用机械有限公司 | Double-flap adjusting butterfly valve |
| CN215806363U (en) * | 2021-08-18 | 2022-02-11 | 湖北泰和石化设备有限公司 | Ultra-low temperature emergency separation double-plate valve |
| CN218063441U (en) * | 2022-06-30 | 2022-12-16 | 高特控股集团有限公司 | Butterfly valve with good sealing performance |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6516826B2 (en) * | 2001-06-27 | 2003-02-11 | Harold Allen | Hydraulic flow valve |
| US7735804B2 (en) * | 2007-11-01 | 2010-06-15 | Highlight Tech Corp. | Sealing valve |
-
2023
- 2023-03-09 CN CN202310254850.3A patent/CN116255463B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204878759U (en) * | 2015-06-12 | 2015-12-16 | 江苏特一机械股份有限公司 | Two board -like water seal butterfly valves |
| CN109237084A (en) * | 2018-11-02 | 2019-01-18 | 浙江理工大学 | Bivalve non-return butterfly valve |
| CN209115739U (en) * | 2018-11-02 | 2019-07-16 | 浙江理工大学 | A kind of bivalve non-return butterfly valve |
| CN215214771U (en) * | 2021-03-31 | 2021-12-17 | 湖北洪城通用机械有限公司 | Double-flap adjusting butterfly valve |
| CN215806363U (en) * | 2021-08-18 | 2022-02-11 | 湖北泰和石化设备有限公司 | Ultra-low temperature emergency separation double-plate valve |
| CN218063441U (en) * | 2022-06-30 | 2022-12-16 | 高特控股集团有限公司 | Butterfly valve with good sealing performance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116255463A (en) | 2023-06-13 |
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| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A double plate regulating butterfly valve Effective date of registration: 20231229 Granted publication date: 20230919 Pledgee: Zhejiang Juzhou Commercial Bank Co.,Ltd. Wenzhou Ouhai Branch Pledgor: WUZHOU VALVE Co.,Ltd. Registration number: Y2023980074157 |
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Granted publication date: 20230919 Pledgee: Zhejiang Juzhou Commercial Bank Co.,Ltd. Wenzhou Ouhai Branch Pledgor: WUZHOU VALVE Co.,Ltd. Registration number: Y2023980074157 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A double plate regulating butterfly valve Granted publication date: 20230919 Pledgee: China Minsheng Banking Corp Wenzhou branch Pledgor: WUZHOU VALVE Co.,Ltd. Registration number: Y2024980008415 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |