CN115750809A - Butterfly valve impact-resistant structure and use method thereof - Google Patents
Butterfly valve impact-resistant structure and use method thereof Download PDFInfo
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- CN115750809A CN115750809A CN202211408062.7A CN202211408062A CN115750809A CN 115750809 A CN115750809 A CN 115750809A CN 202211408062 A CN202211408062 A CN 202211408062A CN 115750809 A CN115750809 A CN 115750809A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 185
- 239000000872 buffer Substances 0.000 claims abstract description 38
- 230000035939 shock Effects 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims description 41
- 230000006698 induction Effects 0.000 claims description 19
- 230000003139 buffering effect Effects 0.000 claims description 17
- 230000000694 effects Effects 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 8
- 210000005056 cell body Anatomy 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 claims description 4
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- 230000007306 turnover Effects 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 description 8
- 230000037431 insertion Effects 0.000 description 8
- 238000005192 partition Methods 0.000 description 7
- 230000001105 regulatory effect Effects 0.000 description 7
- 230000001276 controlling effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000004044 response Effects 0.000 description 3
- 230000001939 inductive effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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Abstract
The invention relates to the technical field of butterfly valve impact resistance, in particular to a butterfly valve impact resistance structure and a using method thereof, wherein the butterfly valve impact resistance structure comprises the following steps: the butterfly plate is used for controlling water flow, and a shaft rod connected to the inner wall of the valve body through a bearing is arranged on the butterfly plate; the butterfly valve is characterized in that an adjusting part is arranged on the valve body, a supporting plate is arranged on the valve body, a rotating rod is connected to the supporting plate in a bearing mode, and the rotating rod controls the shaft rod to rotate through the adjusting part so as to turn over the butterfly plate; a buffer assembly is arranged in the valve body and used for dispersing water flow so as to reduce the impact of the water flow on the butterfly plate; to sum up, the application of a butterfly valve shock resistance structure and application method thereof can cushion rivers, greatly slows down the velocity of water flow, and can effectively block the impact of partial rivers, do benefit to the protection butterfly plate, improve the life of butterfly plate.
Description
Technical Field
The invention relates to the technical field of butterfly valve impact resistance, in particular to a butterfly valve impact resistance structure and a using method thereof.
Background
The butterfly valve is a regulating valve, is used for on-off control of low-pressure pipeline media, rotates around a valve shaft to achieve opening and closing, and mainly plays a role in cutting off and throttling on a pipeline. When the butterfly valve is closed, can produce the water hammer effect, water flows along smooth pipeline, and the impact force that produces this moment can strike the butterfly plate, and long-time water impact can reduce the shock resistance of butterfly plate, and when the shock resistance of butterfly plate was not enough, powerful impact force can force the butterfly plate to damage or even break, leads to the butterfly valve inefficacy to can not play the effect of cuting rivers.
When rivers flow in the pipeline fast and produce the impact force, owing to do not cushion rivers, can not effectively slow down water velocity, cause the impact to the butterfly plate, be unfavorable for protecting the butterfly valve, reduced the life of butterfly valve.
Disclosure of Invention
In view of this, the present invention provides an impact resistant structure for a butterfly valve and a method for using the same, so as to solve the problems that the impact on a butterfly plate is not facilitated, the butterfly valve is not protected, and the service life of the butterfly valve is reduced, because the water flow is not buffered, and the water flow speed cannot be effectively slowed down.
Based on the above object, the present invention provides an impact resistant structure for a butterfly valve, comprising: the butterfly plate is used for controlling water flow, and a shaft rod connected to the inner wall of the valve body through a bearing is arranged on the butterfly plate; the butterfly valve is characterized in that an adjusting part is arranged on the valve body, a supporting plate is arranged on the valve body, a rotating rod is connected to the supporting plate through a bearing, and the rotating rod controls the shaft rod to rotate through the adjusting part so as to turn over the butterfly plate;
a buffer assembly is arranged in the valve body and used for dispersing water flow so as to reduce the impact of the water flow on the butterfly plate;
the valve body is provided with an induction mechanism, the output end of the induction mechanism is positioned on one side of the butterfly plate, and the buffer component is positioned between the output end of the induction mechanism and the butterfly plate;
the output end of the induction mechanism is connected with a reciprocating assembly, the end part of the reciprocating assembly is connected with a piston plate matched with the buffer assembly, and the reciprocating assembly forces the piston plate to move so as to block water flow impact and control water flow.
Preferably, the buffering subassembly is including connecting the collecting pipe of valve body inner wall, the one end of collecting pipe is connected with the shunt tubes, the shunt tubes includes the reposition of redundant personnel passageway that through-hole and a plurality of rivers passed through, the reposition of redundant personnel passageway is located around the shunt tubes, the through-hole is located the middle part of shunt tubes and with piston plate adaptation, the piston plate can block the through-hole.
Preferably, response mechanism is including installing division table and treater on the valve body, the division table can be discerned the aperture of butterfly plate, valve body internally mounted has electric putter, the treater with the division table reaches electric connection between the electric putter, the treater is used for control electric putter opens and close.
Preferably, the reciprocating assembly comprises an outer rod connected to the output end of the electric push rod, an inner rod capable of being inserted into the piston plate is connected to the piston plate, and a first spring connected with the piston plate is sleeved on the outer ring of the outer rod.
Preferably, a secondary buffer mechanism for slowing down the water flow speed is arranged on the valve body and is positioned between the buffer assembly and the butterfly plate;
secondary buffer gear is including setting up inlet tube and outlet pipe on the valve body, the inlet tube reaches the outlet pipe respectively with the valve body reaches buffer unit's play water end intercommunication, the inlet tube reaches be provided with the storage water tank on the outlet pipe, the inside baffle stopper that is provided with of storage water tank, the baffle stopper will the storage water tank falls into idle part and water storage part, be connected with the slide bar on the baffle stopper, the slide bar runs through the storage water tank, the tip of slide bar with be provided with spring two between the storage water tank, the inside of inlet tube is provided with the check valve that intakes, the inside of outlet pipe is provided with out the water check valve.
Preferably, the pipe diameter of the water inlet pipe is larger than that of the water outlet pipe, so that the flow rate of water in the water storage tank entering the valve body is reduced to protect the butterfly plate.
Preferably, the piston plate with be provided with the guide between the through-hole, the guide includes a plurality of setups the T type groove of through-hole inner wall, be provided with on the piston plate with the T type pole of T type groove looks adaptation.
Preferably, the adjusting part comprises a worm fixedly sleeved on the rotating rod, and a worm wheel meshed with the worm is fixedly sleeved on the shaft rod.
Preferably, a rotating disc is arranged at the end part of the rotating rod, and a limiting mechanism used for limiting the rotating disc to rotate freely is arranged on the valve body;
stop gear includes a plurality of setups jack on the carousel, be provided with U type piece on the valve body, the cell body has been seted up on the U type piece, the both ends of U type piece slide be provided with the slider of cell body looks adaptation, the slider with be provided with spring three between the cell body inner wall, two it is connected with the movable rod to rotate between the slider, be connected with on the movable rod and insert the inserted bar in the jack.
A use method of an impact-resistant structure of a butterfly valve comprises the following steps: when in closure, the rotating rod is rotated to close the butterfly plate, and at the moment, a water hammer effect is generated, so that water flow impacts along the valve body; the opening meter displays the opening of the butterfly plate, and the processor collects data of the opening meter to control the electric push rod to start; at the moment, the electric push rod pulls the reciprocating assembly, so that the piston plate is far away from the through hole; when water flow impacts, the piston plate can block the impact of the water flow under the action of the first spring, the inner rod and the outer rod, and the piston plate moves back and forth to form a closed state and a release state with the through hole, so that the water flow is effectively controlled; when rivers pass through the reposition of redundant personnel passageway reaches the through-hole assembles the back and gets into the collecting pipe for rivers pass through the inlet tube gets into the storage water tank, the water storage part pressure increase of storage water tank promotes the baffle stopper motion, the idle part volume of storage water tank reduces, just two compressions of spring work as the idle part of storage water tank and water storage part pressure reach balanced back, two recovery original states of spring make the water storage part of storage water tank passes through the outlet pipe gets into the valve body to realize twice the purpose of buffering rivers, reduce the impact to the butterfly plate.
The invention has the beneficial effects that: when damming, rotate the dwang, under the effect of regulating part, make the axostylus axostyle rotate, the butterfly plate follows to rotate and seals up to butterfly plate and valve body formation, prevent rivers through, the aperture of butterfly plate can be gathered to response mechanism, order about reciprocating assembly motion, break away from the buffering subassembly until the piston plate, when rivers strike, the impact of rivers can be blockked to the piston plate, simultaneously under reciprocating assembly's effect, make piston plate back and forth movement, the piston plate forms to seal or release with the corresponding part of buffering subassembly, thereby the effective control water flow, until rivers strike and disappear, the piston plate resumes to original state, rivers can flow through and assemble from the buffering subassembly, to sum up, the butterfly valve shock resistance structure and the application method of this application, can cushion rivers, greatly slow down the velocity of rivers, and can effectively block the impact of partial rivers, do benefit to the protection butterfly plate, improve the life of butterfly plate.
Drawings
In order to more clearly illustrate the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description in the prior art will be briefly described below, it is obvious that the drawings in the following description are only the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts.
FIG. 1 is a perspective view of a solid structure according to the present invention;
FIG. 2 is a perspective view of the present invention;
FIG. 3 is an exploded view of the present invention;
FIG. 4 is a block diagram of a buffer assembly according to the present invention;
FIG. 5 is a physical view of the structure of the reciprocating assembly of the present invention;
FIG. 6 is a partial structural entity diagram of the present invention;
FIG. 7 is a schematic view of the limiting mechanism of the present invention;
FIG. 8 is a block diagram of the U-shaped block of the present invention;
FIG. 9 is a structural solid diagram of the butterfly plate of the present invention;
fig. 10 is a perspective half sectional view of the present invention.
Labeled as: 1. a valve body; 2. a butterfly plate; 3. a shaft lever; 4. an adjustment member; 401. a worm; 402. a worm gear; 5. rotating the rod; 501. a turntable; 6. a buffer assembly; 601. a flow distribution channel; 602. a through hole; 603. a collector pipe; 604. a shunt tube; 7. an induction mechanism; 701. opening a meter; 702. a processor; 703. an electric push rod; 8. a reciprocating assembly; 801. an outer rod; 802. an inner rod; 803. a first spring; 9. a piston plate; 10. a secondary buffer mechanism; 1001. a water inlet pipe; 1002. a water outlet pipe; 1003. a water storage tank; 1004. a separator plug; 1005. a slide bar; 1006. a second spring; 1007. a water inlet check valve; 1008. a water outlet one-way valve; 11. a guide member; 1101. a T-shaped groove; 1102. a T-shaped rod; 12. a limiting mechanism; 1201. a jack; 1202. a U-shaped block; 1203. a tank body; 1204. a slider; 1205. a third spring; 1206. a movable rod; 1207. and (4) inserting a rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to specific embodiments.
It is to be noted that technical terms or scientific terms used herein should have the ordinary meaning as understood by those having ordinary skill in the art to which the present invention belongs, unless otherwise defined. The use of "first," "second," and the like, herein does not denote any order, quantity, or importance, but rather the terms "first," "second," and the like are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item preceding the word comprises the element or item listed after the word and its equivalent, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
The first embodiment is as follows:
as shown in fig. 1, 2, 3, 4, 5, 6, 9 and 10, an impact-resistant structure of a butterfly valve includes: the butterfly valve comprises a valve body 1 and a butterfly plate 2 arranged on the valve body 1, wherein the butterfly plate 2 is matched with the valve body 1, the butterfly plate 2 is used for controlling water flow, a shaft lever 3 connected to the inner wall of the valve body 1 through a bearing is arranged on the butterfly plate 2, and the shaft lever 3 controls the rotation of the butterfly plate 2; the butterfly valve comprises a valve body 1, a regulating part 4, a supporting plate, a rotating rod 5, a butterfly plate 2 and a valve rod 3, wherein the regulating part 4 is arranged on the valve body 1;
the valve body 1 is internally provided with a buffer component 6, the buffer component 6 is positioned beside the butterfly plate 2, and the buffer component 6 is used for dispersing water flow so as to reduce the impact of the water flow on the butterfly plate 2;
the valve body 1 is provided with an induction mechanism 7, the induction mechanism 7 is used for inducing the opening of the butterfly plate 2 and collecting opening data of the butterfly plate 2, the output end of the induction mechanism 7 is positioned on one side of the butterfly plate 2, and the buffer assembly 6 is positioned between the output end of the induction mechanism 7 and the butterfly plate 2;
the output end of the sensing mechanism 7 is connected with a reciprocating assembly 8, the end part of the reciprocating assembly 8 is connected with a piston plate 9 matched with the buffering assembly 6, the reciprocating assembly 8 forces the piston plate 9 to move so as to block water flow impact and control water flow, and the sensing mechanism 7 can adjust the relative position of the piston plate 9 and the buffering assembly 6 through the reciprocating assembly 8.
The working principle is as follows: when damming, rotate dwang 5, under the effect of regulating part 4, make axostylus axostyle 3 rotate, butterfly plate 2 follows to rotate and forms to seal up to butterfly plate 2 and valve body 1, prevent rivers through, the aperture of butterfly plate 2 can be gathered to response mechanism 7, order about reciprocal subassembly 8 motion, break away from buffering subassembly 6 until piston plate 9, when rivers strike, piston plate 9 can block the impact of rivers, simultaneously under the effect of reciprocal subassembly 8, make piston plate 9 back and forth movement, piston plate 9 forms to seal or release with the corresponding part of buffering subassembly 6, thereby the effective control water flow, until rivers strike and disappear, piston plate 9 resumes to original state, rivers can flow from buffering subassembly 6 and assemble, to sum up, the butterfly valve shock-resistant structure and the method of use of this application, can cushion rivers, greatly slow down the velocity of rivers, and can effectively block the impact of partial rivers, do benefit to protection butterfly plate 2, improve the life of butterfly plate 2.
Example two:
as shown in fig. 4, 5 and 10, an impact resistant structure for a butterfly valve, a buffering assembly 6 includes a collecting pipe 603 connected to an inner wall of a valve body 1, one end of the collecting pipe 603 is connected with a shunt pipe 604, water is shunted by the shunt pipe 604 and then is gathered by the collecting pipe 603, the shunt pipe 604 includes a through hole 602 and a plurality of shunt channels 601 through which water passes, the shunt channels 601 are located around the shunt pipe 604, the through hole 602 is located in the middle of the shunt pipe 604 and is adapted to a piston plate 9, and the piston plate 9 can block the through hole 602.
As shown in fig. 1, 2, 3 and 5, in the impact resistant structure for the butterfly valve, the sensing mechanism 7 includes an opening meter 701 and a processor 702 installed on the valve body 1, the opening meter 701 can identify the opening of the butterfly plate 2, an electric push rod 703 is installed inside the valve body 1, an output end of the electric push rod 703 is installed along the length direction of the valve body 1, the processor 702 is electrically connected with the opening meter 701 and the electric push rod 703, and the processor 702 is used for controlling the opening and closing of the electric push rod 703 and collecting data of the opening meter 701.
As shown in fig. 3 and 5, in an impact resistant structure of a butterfly valve, a reciprocating assembly 8 includes an outer rod 801 connected to an output end of an electric push rod 703, the outer rod 801 is disposed along an output direction of the electric push rod 703, an inner rod 802 capable of being inserted into the outer rod 801 is connected to a piston plate 9, the inner rod 802 is disposed along a length direction of the outer rod 801, and a first spring 803 connected to the piston plate 9 is sleeved on an outer ring of the outer rod 801.
As shown in fig. 1, 2, 3, 4, 5 and 6, in the impact-resistant structure of the butterfly valve, a guide 11 is arranged between a piston plate 9 and a through hole 602, the guide 11 includes a plurality of T-shaped grooves 1101 formed in the inner wall of the through hole 602, a T-shaped rod 1102 matched with the T-shaped grooves 1101 is arranged on the piston plate 9, and the T-shaped rod 1102 can slide in the T-shaped grooves 1101.
As shown in fig. 3, 4 and 5, in an impact-resistant structure of a butterfly valve, an adjusting member 4 includes a worm 401 fixedly sleeved on a rotating rod 5, the worm 401 is arranged along a length direction of the rotating rod 5, a worm wheel 402 engaged with the worm 401 is fixedly sleeved on a shaft 3, and the shaft 3 is connected to a center of the worm wheel 402.
As shown in fig. 1, 6, 7 and 8, in the impact resistant structure of the butterfly valve, a rotating disc 501 is arranged at the end of a rotating rod 5, a worker can operate the rotating disc 501 to control the rotating rod 5, and a limiting mechanism 12 for limiting the rotating disc 501 to rotate freely is arranged on a valve body 1;
the limiting mechanism 12 comprises a plurality of insertion holes 1201 formed in the rotary disc 501, the insertion holes 1201 are formed in the periphery of the rotary disc 501, a U-shaped block 1202 is arranged on the valve body 1, the U-shaped block 1202 is fixedly arranged on the valve body 1, a groove body 1203 is formed in the U-shaped block 1202, the groove body 1203 is formed in the length direction of the U-shaped block 1202, sliding blocks 1204 matched with the groove body 1203 are arranged at two ends of the U-shaped block 1202 in a sliding mode, the sliding blocks 1204 can slide in the groove body 1203, a spring three 1205 is arranged between the sliding blocks 1204 and the inner wall of the groove body 1203, a movable rod 1206 is connected between the two sliding blocks 1204 in a rotating mode, the movable rod 1206 can rotate, and an insertion rod 1207 capable of being inserted into the insertion holes 1201 is connected to the movable rod 1206.
The working principle is as follows: when the valve is in closure, namely the butterfly plate 2 stops water flow passing through the valve body 1, the rotary disc 501 is rotated, the rotating rod 5 drives the worm 401 to rotate, the worm 401 drives the worm wheel 402 to rotate, and the shaft rod 3 rotates to drive the butterfly plate 2 to move to stop water flow; rotating the movable rod 1206 to a reasonable position, pulling the movable rod 1206 to enable the insertion rod 1207 to be aligned with the corresponding insertion hole 1201, pulling the sliding block 1204 to slide in the groove body 1203 by the movable rod 1206, stretching the spring III 1205 to release the movable rod 1206, enabling the spring III 1205 to recover to an original state, sliding the sliding block 1204 in the groove body 1203 until the insertion rod 1207 is inserted into the insertion hole 1201, and limiting free rotation of the rotary disc 501 to enable the rotary disc 501 to be clamped at a certain position; the opening degree of the butterfly plate 2 is identified by the opening degree meter 701, and the processor 702 collects data information of the opening degree meter 701 and controls the starting of the electric push rod 703; the output end of the electric push rod 703 drives the outer rod 801 to move, the inner rod 802 slides in the outer rod 801, the first spring 803 is stretched, after the electric push rod 703 stops, the first spring 803 needs to recover to the original state, at the moment, the inner rod 802 slides in the outer rod 801, and under the action of the T-shaped rod 1102 and the T-shaped groove 1101, the inner rod 802 drives the piston plate 9 to move to be separated from the through hole 602; when an air hammer phenomenon occurs or water flow quickly impacts, water flow impacts the piston plate 9, under the action of the T-shaped rod 1102 and the T-shaped groove 1101, the piston plate 9 is forced to move, the inner rod 802 slides in the outer rod 801, the first spring 803 is stretched, the piston plate 9 and the through hole 602 are sealed, the water flow flows out of the diversion channel 601 at the moment, the effect of dispersing the water flow is achieved, after the water flow impacts, the first spring 803 is restored to the original state, the piston plate 9 is separated from the through hole 602, and at the moment, a part of the water flow flows out of the through hole 602 until the water flow with the diversion channel 601 is converged to the collecting pipe 603 and flows out; utilize piston plate 9 to block the impact of rivers, effectively reduce rivers to the impact of butterfly plate 2, utilize reposition of redundant personnel passageway 601 to disperse rivers, reduce the impact force of rivers, utilize the flow of through-hole 602 controllable water, block partial rivers back at piston plate 9 for rivers in time discharge, the speed of effective control water flow slows down rivers, thereby protection butterfly plate 2, improves butterfly plate 2's life.
Example three:
as shown in fig. 1, 2, 3, 4, 5, 6, 9 and 10, an impact-resistant structure of a butterfly valve includes: the water flow control valve comprises a valve body 1 and a butterfly plate 2 arranged on the valve body 1, wherein the butterfly plate 2 is matched with the valve body 1, the butterfly plate 2 is used for controlling water flow, a shaft lever 3 connected to the inner wall of the valve body 1 through a bearing is arranged on the butterfly plate 2, and the shaft lever 3 controls the rotation of the butterfly plate 2; the butterfly valve comprises a valve body 1, a regulating part 4, a supporting plate, a rotating rod 5, a butterfly plate 2 and a valve rod 3, wherein the regulating part 4 is arranged on the valve body 1;
the valve body 1 is internally provided with a buffer component 6, the buffer component 6 is positioned beside the butterfly plate 2, and the buffer component 6 is used for dispersing water flow so as to reduce the impact of the water flow on the butterfly plate 2;
the valve body 1 is provided with an induction mechanism 7, the induction mechanism 7 is used for inducing the opening degree of the butterfly plate 2 and collecting opening degree data of the butterfly plate 2, the output end of the induction mechanism 7 is located on one side of the butterfly plate 2, and the buffer component 6 is located between the output end of the induction mechanism 7 and the butterfly plate 2;
the output end of the induction mechanism 7 is connected with a reciprocating assembly 8, the end part of the reciprocating assembly 8 is connected with a piston plate 9 matched with the buffer assembly 6, the reciprocating assembly 8 forces the piston plate 9 to move so as to block water flow impact and control water flow, and the induction mechanism 7 can adjust the relative position of the piston plate 9 and the buffer assembly 6 through the reciprocating assembly 8.
As shown in fig. 4, 5 and 10, an impact resistant structure for a butterfly valve is provided, in which a buffering assembly 6 includes a collecting pipe 603 connected to an inner wall of a valve body 1, one end of the collecting pipe 603 is connected with a shunt pipe 604, water flows are shunted by the shunt pipe 604 and then collected by the collecting pipe 603, the shunt pipe 604 includes a through hole 602 and a plurality of shunt channels 601 through which water flows, the shunt channels 601 are located around the shunt pipe 604, the through hole 602 is located in the middle of the shunt pipe 604 and is adapted to a piston plate 9, and the piston plate 9 can block the through hole 602.
As shown in fig. 1, 3 and 10, in an impact-resistant structure of a butterfly valve, a valve body 1 is provided with a secondary buffer mechanism 10 for slowing down the water flow speed, the secondary buffer mechanism 10 is located between a buffer component 6 and a butterfly plate 2, and the secondary buffer mechanism 10 buffers the water flow after the flow splitting buffering again to reduce the water flow speed, so that the butterfly plate 2 is protected;
the secondary buffer mechanism 10 comprises a water inlet pipe 1001 and a water outlet pipe 1002 which are arranged on the valve body 1, the water inlet pipe 1001 and the water outlet pipe 1002 are respectively communicated with the water outlet ends of the valve body 1 and the buffer component 6, a water storage tank 1003 is arranged on the water inlet pipe 1001 and the water outlet pipe 1002, a partition plate plug 1004 is arranged inside the water storage tank 1003, the partition plate plug 1004 is arranged in parallel to the length direction of the water storage tank 1003, the water storage tank 1003 is divided into an idle part and a water storage part by the partition plate plug 1004, the water storage part is communicated with the water inlet pipe 1001 and the water outlet pipe 1002, a slide rod 1005 is connected to the partition plate plug 1004 and penetrates through the water storage tank 1003, the slide rod 1005 is arranged perpendicular to the partition plate plug 1004, a spring two 1006 is arranged between the end of the slide rod 1005 and the water storage tank 1003, a water inlet check valve 1007 is arranged inside the water inlet pipe 1001, and a water outlet check valve 1008 is arranged inside the water outlet pipe 1002.
As shown in fig. 3, in the impact resistant structure of the butterfly valve, the pipe diameter of the water inlet pipe 1001 is larger than that of the water outlet pipe 1002, so as to reduce the flow rate of water in the water storage tank 1003 entering the valve body 1 to protect the butterfly plate 2.
The working principle is as follows: after water flow is converged to the collecting pipe 603 through the diversion channel 601 and the through hole 602, when the water flow speed is high, impact is exerted on the butterfly plate 2, under the action of the water inlet check valve 1007, the water flow of the collecting pipe 603 enters the water storage part of the water storage tank 1003 through the water inlet pipe 1001, the water flow pushes the partition plate plug 1004 to move, the sliding rod 1005 slides on the water storage tank 1003, the second spring 1006 compresses, the volume of the water storage part of the water storage tank 1003 is increased, and the volume of the idle part is reduced; when the instant water pressure disappears, the second spring 1006 restores the original state, so that the slide rod 1005 pushes the partition plate plug 1004 to move and then compresses the water in the water storage tank 1003, and water flows into the valve body 1 from the water outlet pipe 1002 under the action of the water outlet one-way valve 1008 until the idle part and the water storage part of the water storage tank 1003 reach the original state; because the pipe diameter of inlet tube 1001 is greater than the pipe diameter of outlet pipe 1002, under the effect of spring two 1006, the velocity of water of outlet pipe 1002 is less than the velocity of water of inlet tube 1001 to reduce the whole velocity of water of valve body 1 once more, twice to rivers buffering, in order to reach the velocity of flow that slows down rivers, reduce the impact of rivers to butterfly plate 2, effectively protect the purpose of butterfly plate 2.
Also provides a using method of the butterfly valve impact-resistant structure, which comprises the following steps: when in closure, the rotating rod 5 is rotated to close the butterfly plate 2, and at the moment, a water hammer effect is generated, so that water flow impacts along the valve body 1; the opening degree of the butterfly plate 2 is displayed by the opening degree meter 701, and the processor 702 collects data of the opening degree meter 701 to control the electric push rod 703 to start; at this point, the electric push rod 703 pulls the shuttle assembly 8 so that the piston plate 9 is away from the through hole 602; when water flow impacts, under the action of the first spring 803, the inner rod 802 and the outer rod 801, the piston plate 9 can block the impact of the water flow, and the piston plate 9 moves back and forth to form a closed state and a release state with the through hole 602, so that the water flow is effectively controlled; get into collecting pipe 603 after rivers assemble through reposition of redundant personnel passageway 601 and through-hole 602, make rivers get into storage water tank 1003 through inlet tube 1001, the partial pressure increase of water storage of storage water tank 1003, promote the motion of baffle stopper 1004, the idle partial volume of storage water tank 1003 is dwindled, and two springs 1006 compress, after idle part and the partial pressure of water storage of storage water tank 1003 reached balance, two springs 1006 resume former state, make the water storage part of storage water tank 1003 pass through outlet pipe 1002 and get into valve body 1, thereby realize twice mesh of buffering to rivers, reduce the impact to butterfly plate 2.
The working principle is as follows: when the rotating rod 5 is rotated to close the butterfly plate 2 and generate the water hammer effect, water flow impacts along the valve body 1; the opening degree meter 701 identifies and displays the opening degree of the butterfly plate 2, and the processor 702 collects opening degree data of the opening degree meter 701 to control the electric push rod 703 to start; at this time, the output end of the electric push rod 703 pulls the reciprocating assembly 8 so that the piston plate 9 is away from the through hole 602, wherein when the butterfly plate 2 is closed, the piston plate 9 releases the through hole 602, and the piston plate 9 blocks the water flow; when water flow impacts, under the action of the first spring 803, the inner rod 802 and the outer rod 801, the piston plate 9 can block the impact of the water flow, the piston plate 9 moves back and forth to form a closed state and a release state with the through hole 602, and the water flow is discharged in time, so that the water flow is effectively controlled; after rivers assemble through reposition of redundant personnel passageway 601 and through-hole 602, make rivers get into the storage water tank 1003 through inlet tube 1001, the partial pressure increase of water storage tank 1003, promote the motion of baffle stopper 1004, the free partial volume of storage water tank 1003 reduces, and the compression of spring two 1006, after the free part of storage water tank 1003 and the partial pressure of water storage reach balance, spring two 1006 resumes former state, make the water storage part of storage water tank 1003 pass through outlet pipe 1002 and get into valve body 1, thereby realize twice the purpose of buffering to rivers, slow down the speed of rivers once more, reduce the impact to butterfly plate 2, do benefit to protection butterfly plate 2, improve butterfly plate 2's life.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to those examples; within the idea of the invention, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.
The present invention is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalents, improvements, and the like that may be made without departing from the spirit or scope of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A butterfly valve impact resistant structure comprising: the water flow control valve comprises a valve body (1) and a butterfly plate (2) arranged on the valve body (1), wherein the butterfly plate (2) is used for controlling water flow, and a shaft lever (3) connected to the inner wall of the valve body (1) through a bearing is arranged on the butterfly plate (2); the butterfly valve is characterized in that an adjusting part (4) is arranged on the valve body (1), a supporting plate is arranged on the valve body (1), a rotating rod (5) is connected to the supporting plate through a bearing, and the rotating rod (5) controls the shaft lever (3) to rotate through the adjusting part (4) and is used for turning over the butterfly plate (2);
a buffer component (6) is arranged in the valve body (1), and the buffer component (6) is used for dispersing water flow so as to reduce the impact of the water flow on the butterfly plate (2);
an induction mechanism (7) is arranged on the valve body (1), the output end of the induction mechanism (7) is positioned on one side of the butterfly plate (2), and the buffer assembly (6) is positioned between the output end of the induction mechanism (7) and the butterfly plate (2);
the output end of the induction mechanism (7) is connected with a reciprocating assembly (8), the end part of the reciprocating assembly (8) is connected with a piston plate (9) matched with the buffer assembly (6), and the reciprocating assembly (8) forces the piston plate (9) to move so as to block water flow impact and control water flow.
2. The butterfly valve impact-resistant structure according to claim 1, wherein the buffer assembly (6) comprises a manifold (603) connected to the inner wall of the valve body (1), one end of the manifold (603) is connected with a shunt tube (604), the shunt tube (604) comprises a through hole (602) and a plurality of shunt channels (601) through which water flows, the shunt channels (601) are located around the shunt tube (604), the through hole (602) is located in the middle of the shunt tube (604) and is adapted to the piston plate (9), and the piston plate (9) can block the through hole (602).
3. The shock resistance structure of the butterfly valve according to claim 1, wherein the sensing mechanism (7) comprises an opening meter (701) and a processor (702) which are installed on the valve body (1), the opening meter (701) can identify the opening degree of the butterfly plate (2), an electric push rod (703) is installed inside the valve body (1), the processor (702) is electrically connected with the opening meter (701) and the electric push rod (703), and the processor (702) is used for controlling the opening and closing of the electric push rod (703).
4. The butterfly valve shock resistance structure according to claim 3, characterized in that the reciprocating assembly (8) comprises an outer rod (801) connected to the output end of the electric push rod (703), the piston plate (9) is connected to an inner rod (802) capable of being inserted into the outer rod (801), and the outer ring of the outer rod (801) is sleeved with a first spring (803) connected to the piston plate (9).
5. An impact-resistant structure for butterfly valves according to claim 1, characterized in that a secondary buffer mechanism (10) for slowing down the water flow speed is arranged on the valve body (1), and the secondary buffer mechanism (10) is located between the buffer assembly (6) and the butterfly plate (2);
secondary buffer gear (10) including setting up inlet tube (1001) and outlet pipe (1002) on valve body (1), inlet tube (1001) and outlet pipe (1002) respectively with valve body (1) and the play water end intercommunication of buffer unit (6), inlet tube (1001) and be provided with storage water tank (1003) on outlet pipe (1002), storage water tank (1003) inside is provided with baffle stopper (1004), baffle stopper (1004) will storage water tank (1003) divide into spare part and water storage part, be connected with slide bar (1005) on baffle stopper (1004), slide bar (1005) run through storage water tank (1003), the tip of slide bar (1005) with be provided with spring two (1006) between storage water tank (1003), the inside of inlet tube (1001) is provided with into water non-return valve (1007), the inside of outlet pipe (1002) is provided with out water non-return valve (1008).
6. An impact-resistant structure for butterfly valves according to claim 5, characterized in that the diameter of the water inlet pipe (1001) is greater than that of the water outlet pipe (1002), reducing the flow rate of water from the water storage tank (1003) entering the valve body (1) to protect the butterfly plate (2).
7. An impact-resistant structure for a butterfly valve according to claim 2, characterized in that a guide (11) is provided between the piston plate (9) and the through hole (602), the guide (11) comprises a plurality of T-shaped grooves (1101) formed in the inner wall of the through hole (602), and a T-shaped rod (1102) adapted to the T-shaped grooves (1101) is provided on the piston plate (9).
8. The butterfly valve shock-resistant structure according to claim 1, characterized in that said adjusting member (4) comprises a worm (401) fixedly fitted on said rotating rod (5), said shaft (3) being fixedly fitted with a worm wheel (402) meshing with said worm (401).
9. The impact-resistant structure of the butterfly valve is characterized in that a rotating disc (501) is arranged at the end part of the rotating rod (5), and a limiting mechanism (12) used for limiting the free rotation of the rotating disc (501) is arranged on the valve body (1);
limiting mechanism (12) include a plurality of setings up jack (1201) on carousel (501), be provided with U type piece (1202) on valve body (1), cell body (1203) have been seted up on U type piece (1202), the both ends of U type piece (1202) slide be provided with slider (1204) of cell body (1203) looks adaptation, slider (1204) with be provided with spring three (1205) between cell body (1203) inner wall, two it is connected with movable rod (1206) to rotate between slider (1204), be connected with on movable rod (1206) and insert pole (1207) that can insert in jack (1201).
10. The use method of an impact-resistant structure of a butterfly valve according to any of claims 1 to 9, comprising the following steps: when in closure, the rotating rod (5) is rotated to close the butterfly plate (2), and at the moment, a water hammer effect is generated, so that water flow impacts along the valve body (1); the opening degree of the butterfly plate (2) is displayed by the opening degree meter (701), and the processor (702) collects data of the opening degree meter (701) to control the electric push rod (703) to start; at this time, the electric push rod (703) pulls the reciprocating assembly (8) so that the piston plate (9) is far away from the through hole (602); when water flow impacts, under the action of the first spring (803), the inner rod (802) and the outer rod (801), the piston plate (9) can block the impact of the water flow, and the piston plate (9) moves back and forth to form a closed state and a release state with the through hole (602), so that the water flow is effectively controlled; when rivers pass through reposition of redundant personnel passageway (601) reaches get into after through-hole (602) assembles collecting pipe (604), make rivers pass through inlet tube (1001) get into storage water tank (1003), the increase of the partial pressure of water storage of storage water tank (1003), promote baffle stopper (1004) motion, the idle partial volume of storage water tank (1003) reduces, just spring two (1006) compression, works as after the idle part of storage water tank (1003) and the partial pressure of water storage reach balanced, spring two (1006) resume original state, make the water storage part of storage water tank (1003) passes through outlet pipe (1002) get into valve body (1), thereby realize twice the mesh of buffering to rivers, reduce to the impact of butterfly plate (2).
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| CN202211408062.7A CN115750809B (en) | 2022-11-10 | 2022-11-10 | Butterfly valve impact-resistant structure and use method thereof |
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| JP2003254450A (en) * | 2002-03-06 | 2003-09-10 | Japan Water Works Association | Butterfly valve with flooding function |
| CN211951592U (en) * | 2020-01-17 | 2020-11-17 | 天津长辉元一流体控制设备有限公司 | Valve body for butterfly valve |
| CN113623410A (en) * | 2021-08-10 | 2021-11-09 | 陈正良 | Butterfly valve for reducing water flow impact force when valve is closed |
| CN215891357U (en) * | 2021-08-04 | 2022-02-22 | 江苏海诺机械制造有限公司 | Balance type explosion-proof high-pressure parallel gate valve |
| CN114233874A (en) * | 2021-12-22 | 2022-03-25 | 正南阀门(浙江)有限公司 | Mute butterfly valve capable of reducing impact force |
| CN114877082A (en) * | 2022-06-15 | 2022-08-09 | 李美富 | Adjustable hydraulic control valve |
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2022
- 2022-11-10 CN CN202211408062.7A patent/CN115750809B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003254450A (en) * | 2002-03-06 | 2003-09-10 | Japan Water Works Association | Butterfly valve with flooding function |
| CN211951592U (en) * | 2020-01-17 | 2020-11-17 | 天津长辉元一流体控制设备有限公司 | Valve body for butterfly valve |
| CN215891357U (en) * | 2021-08-04 | 2022-02-22 | 江苏海诺机械制造有限公司 | Balance type explosion-proof high-pressure parallel gate valve |
| CN113623410A (en) * | 2021-08-10 | 2021-11-09 | 陈正良 | Butterfly valve for reducing water flow impact force when valve is closed |
| CN114233874A (en) * | 2021-12-22 | 2022-03-25 | 正南阀门(浙江)有限公司 | Mute butterfly valve capable of reducing impact force |
| CN114877082A (en) * | 2022-06-15 | 2022-08-09 | 李美富 | Adjustable hydraulic control valve |
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| CN115750809B (en) | 2023-10-24 |
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Denomination of invention: A butterfly valve impact resistant structure and its usage method Granted publication date: 20231024 Pledgee: Funing sub branch of Bank of China Ltd. Pledgor: Yancheng Suhao Valve Industry Co.,Ltd. Registration number: Y2024980019983 |
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