CN119641928A - Intelligent electric regulating valve and control method thereof - Google Patents
Intelligent electric regulating valve and control method thereof Download PDFInfo
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- CN119641928A CN119641928A CN202510175748.3A CN202510175748A CN119641928A CN 119641928 A CN119641928 A CN 119641928A CN 202510175748 A CN202510175748 A CN 202510175748A CN 119641928 A CN119641928 A CN 119641928A
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Abstract
本发明公开了一种智能电动调节阀及其控制方法，涉及调节阀技术领域，包括阀体和执行器，阀体包括壳体，壳体内设置有相连通的进流道和出流道，进流道和出流道之间形成有密封腔，密封腔内设置有阀座，阀座内设置有密封孔且形成有弧形的密封面，阀体与执行器之间设置有阀芯，阀芯包括阀杆和阀头，阀杆与壳体密封滑动连接，且阀头位于壳体内并与阀座匹配，还包括阀套，阀套设置在阀头上并与阀座匹配；本发明通过可拆卸设置的阀套，当调节阀使用一段时间后，阀套的密封面受到流体介质的冲刷后产生较大的磨损，工人可通过更换阀套的方式解决阀芯密封性的问题，相较于一体式结构的阀芯，这种方式具有简单高效且节约成本的优点。
The present invention discloses an intelligent electric regulating valve and a control method thereof, which relate to the technical field of regulating valves, and include a valve body and an actuator. The valve body includes a shell, and a connected inlet channel and outlet channel are arranged in the shell, a sealing cavity is formed between the inlet channel and the outlet channel, a valve seat is arranged in the sealing cavity, a sealing hole is arranged in the valve seat and an arc-shaped sealing surface is formed, a valve core is arranged between the valve body and the actuator, the valve core includes a valve stem and a valve head, the valve stem is sealingly and slidingly connected with the shell, and the valve head is located in the shell and matches the valve seat, and also includes a valve sleeve, which is arranged on the valve head and matches the valve seat; the present invention uses a detachable valve sleeve, and when the regulating valve has been used for a period of time, the sealing surface of the valve sleeve is washed by the fluid medium and causes greater wear, and the worker can solve the problem of valve core sealing by replacing the valve sleeve. Compared with a valve core of an integrated structure, this method has the advantages of simplicity, high efficiency and cost saving.
Description
Technical Field
The invention relates to the technical field of regulating valves, in particular to an intelligent electric regulating valve and a control method thereof.
Background
The electric regulating valve is one device for controlling the opening of valve via electric executing mechanism, and can regulate the opening degree of valve automatically based on the signal from the control system to reach the aim of controlling fluid flow, pressure and other parameters accurately.
The valve element of the regulator valve is susceptible to flushing and wear during use due to direct contact and control of fluid flow. When wear occurs, the valve may not close tightly, causing increased internal or external leakage, and the abnormal flow patterns caused by wear may cause additional mechanical noise and vibration, which may damage pipes and other components over time.
Chinese patent application number 202110589291.2 discloses a valve element scour prevention governing valve. The invention protects the sealing surface from being washed by medium by the mutual matching of the spline teeth on the valve rod and the straight tooth strips on the valve core, and improves the service life of the valve. But at least the following problems remain:
1. The valve core of the existing regulating valve consists of a valve rod and a valve head, the valve rod and the valve head are welded or integrally formed, when the valve core is flushed by fluid and the sealing performance of the surface of the valve core is seriously affected, the whole valve core needs to be replaced, the maintenance cost is high, and the concept of cost reduction and efficiency enhancement is not met.
2. If hard particles such as rust or silt exist in the fluid medium, part of the hard particles are mixed between the valve core and the valve seat in the sealing process of the valve core and the valve seat, the hard particles play a role of abrasive, the particles scrape or etch the surface of the valve core along with the action of pressure in the closing process, and meanwhile, when the fluid medium does not exist in the valve, the relative motion between the valve core and the valve seat can generate larger dry friction and dry abrasion, and if the hard particles exist, the abrasion problem is further aggravated.
Therefore, the invention provides an intelligent electric regulating valve and a control method thereof to solve the problems.
Disclosure of Invention
The invention aims to provide an intelligent electric regulating valve and a control method thereof, which are used for solving the technical problems that the valve core provided in the background art is high in maintenance cost, the sealing surface of the valve core is not uniformly worn after being flushed by fluid, and the like.
The intelligent electric regulating valve comprises a valve body and an actuator, wherein the valve body comprises a shell, a flow inlet channel and a flow outlet channel which are communicated are arranged in the shell, a sealing cavity is formed between the flow inlet channel and the flow outlet channel, a valve seat is arranged in the sealing cavity, a sealing hole is formed in the valve seat, an arc-shaped sealing surface is formed in the valve seat, a valve core is arranged between the valve body and the actuator, the valve core comprises a valve rod and a valve head, the valve rod is in sealing sliding connection with the shell, the valve head is positioned in the shell and matched with the valve seat, the intelligent electric regulating valve further comprises a valve sleeve, the valve sleeve is arranged on the valve head and matched with the valve seat, the valve sleeve comprises a fixed sleeve fixedly connected with the valve head and a sealing sleeve arranged on the outer surface of the fixed sleeve, the sealing sleeve comprises a horizontal plane and an arc surface matched with the sealing surface of the valve seat, a connecting hole is formed in the fixed sleeve, the connecting seat is coaxially fixed in the sealing hole of the valve seat, the sealing seat is provided with a sealing ring, the horizontal plane is contacted with the sealing sleeve, and a clearance is formed between the arc surface and the sealing sleeve.
Preferably, the sealing mechanism is arranged in the valve sleeve, the sealing mechanism comprises a through hole formed in the sealing sleeve, a movable part is connected in the through hole in a sliding manner, an annular cavity is formed between the fixed sleeve and the sealing sleeve, an annular groove is formed in the cambered surface of the sealing sleeve, an elastic sealing part is fixedly connected in the annular groove, a plurality of connecting holes communicated with the annular cavity are formed in the annular groove, the movable part slides in the through hole under the driving of fluid pressure, so that fluid enters the annular cavity, and the elastic sealing part deforms under the extrusion of the fluid pressure and forms sealing with the sealing surface of the valve seat.
Preferably, the movable piece comprises a pressing plate, a movable cavity is arranged in the connector, a connecting rod coaxially arranged with the movable cavity is fixedly connected to the pressing plate, and a connecting plate is coaxially fixed at one end of the connecting rod, which is located in the movable cavity.
Preferably, the sealing sleeve is fixedly connected with a plurality of positioning plates positioned in the annular cavity, and a filter screen is arranged between every two adjacent positioning plates.
Preferably, the sealing sleeve is rotationally connected with the fixed sleeve, an elastic piece is arranged in the movable cavity, a rotating mechanism is arranged in the movable cavity, the connecting plate and the rotating mechanism form a rotating fit, and when the connecting plate resets under the action of the elastic piece, the movable piece drives the sealing sleeve to rotate.
Preferably, the rotating mechanism comprises a guide groove arranged on the inner wall of the movable cavity, the guide groove comprises a plurality of vertical grooves and inclined grooves which are connected end to end, a plurality of guide posts are fixedly connected to the inner wall of the movable cavity and positioned at the joint of the vertical grooves and the inclined grooves, a guide plate is rotationally connected to the guide posts, a torsion spring is arranged between the guide plate and the guide posts, a limiting block positioned on one side of the guide plate is fixedly connected to the inner wall of the movable cavity, a connecting pin is fixedly connected to the circumference side of the connecting plate, the connecting pin slides in the guide groove, clamping grooves are formed in the plurality of positioning plates, and a clamping block matched with the clamping grooves is fixedly connected to the circumference side of the pressing plate.
Preferably, the sealing sleeve is fixedly connected with an annular plate, a positioning groove matched with the annular plate is formed in the fixing sleeve, and the annular plate is rotationally connected with the positioning groove.
Preferably, the movable cavity is internally provided with an adjusting plate, the elastic piece is positioned between the adjusting plate and the connecting plate, an adjusting column is fixedly connected to the adjusting plate, one end of the adjusting column extending out of the connector is fixedly connected with a knob, the adjusting column is in threaded connection with the connector, and a placing groove matched with the knob is formed in the valve head.
Preferably, the actuator comprises a connecting shaft coaxially arranged with the valve core, one end of the valve rod, far away from the valve head, is in threaded connection with the connecting shaft, an indicator is arranged on the connecting shaft, a supporting frame is fixedly connected between the actuator and the valve body, limiting plates and scale plates are arranged on two sides of the supporting frame, and pointers matched with the scale plates are arranged on the indicator.
The invention also discloses a control method of the intelligent electric regulating valve, which comprises the following steps:
before the regulating valve is used, the valve sleeve is arranged on the valve head, and the specific steps are as follows:
S101, according to the pressure of a pipeline and the use requirement, rotating a knob to adjust the initial distance between the adjusting plate and the connecting plate, wherein the larger the running pressure of the pipeline is, the closer the initial distance between the adjusting plate and the connecting plate is;
s102, aligning a connector on the valve sleeve with a connecting hole on the valve head, and mounting the valve sleeve on the valve head;
Step 2, debugging the regulating valve, wherein the specific steps are as follows:
S201, driving the valve core to approach the valve seat through the actuator, so that the horizontal plane of the valve sleeve contacts with the sealing ring on the sealing seat to form sealing;
s202, checking whether a pointer is positioned at a corresponding position or not when the valve is in a full-open state and a closed state through readings of the pointer of the actuator and the scale plate;
step 3, normally using the regulating valve, and controlling the actuator to drive the valve core to move;
And 4, if the sealing ring on the sealing seat is aged or worn on one side, adjusting the contact pressure of the valve sleeve and the sealing ring by adjusting the relative position of the valve rod and the connecting shaft.
The beneficial effects of the invention are as follows:
1. According to the invention, through the valve sleeve which is detachably arranged, when the regulating valve is used for a period of time, the sealing surface of the valve sleeve is subjected to flushing by a fluid medium to generate larger abrasion, and a worker can solve the problem of the sealing property of the valve core by replacing the valve sleeve.
2. According to the invention, the sealing seat, the sealing ring, the elastic sealing piece, the movable gap and the like are arranged, when the valve core and the valve seat form sealing, the horizontal surface of the valve sleeve is contacted with the sealing ring on the sealing seat to form primary sealing, so that abrasion of hard particles on the sealing surface of the valve sleeve can be avoided, meanwhile, as the fluid pressure in the inlet channel is increased, the movable piece moves upwards to enable the annular cavity to be communicated with the inlet channel, the elastic sealing piece deforms under the action of the fluid pressure and forms secondary sealing with the valve seat, when no fluid medium exists in the valve, the elastic sealing piece cannot deform, the sealing surface of the valve sleeve cannot contact with the sealing surface of the valve seat, the problem of dry abrasion is avoided, and the service lives of the valve sleeve and the valve seat are prolonged.
3. According to the valve sleeve, the guide groove, the connecting pin, the guide plate, the clamping groove, the clamping block and the like are arranged, when the valve is in a closed state, the movable piece moves upwards under the action of fluid pressure until the movable piece moves to the intersection point of the vertical groove and the chute, after the valve is opened, the fluid pressure in the inlet channel, the outlet channel and the sealing cavity gradually tend to be consistent, the movable piece resets under the action of the elastic piece, the connecting pin enters the chute, the movable piece drives the sealing sleeve to rotate for a certain angle, the valve sleeve can be adjusted every time the valve is opened, the problem that the sealing surface close to one side of the outlet channel is worn more seriously is avoided, the sealing surface of the valve sleeve is worn more uniformly, the service life of the valve sleeve is prolonged, and the replacement period of the valve sleeve is prolonged.
Drawings
Fig. 1 is a schematic diagram of the overall structure of an intelligent electric control valve according to the present invention.
Fig. 2 is a schematic diagram of a matching structure of the valve body and the valve core of the present invention.
FIG. 3 is a schematic plan sectional view of the valve body and valve core of the present invention.
Fig. 4 is a schematic structural view of the valve core of the present invention.
Fig. 5 is an enlarged schematic view of the structure of fig. 3 a according to the present invention.
Fig. 6 is a schematic plan sectional view of the valve sleeve of the present invention.
Figure 7 is a schematic structural view of a sealing sleeve according to the invention.
Fig. 8 is a schematic structural view of a movable member according to the present invention.
Fig. 9 is a schematic exploded view of the valve housing of the present invention.
Fig. 10 is a schematic structural view of the rotating mechanism of the present invention.
Fig. 11 is an enlarged schematic view of the structure at B in fig. 10 according to the present invention.
The reference numerals are:
1. Valve body, 11, shell, 111, inflow channel, 112, outflow channel, 113 and sealing cavity;
2. The device comprises an actuator, a connecting shaft, a 22, an indicator, a 23, a supporting frame, a 24, a limiting plate, a 25, a scale plate, a 26 and a pointer;
3. 31, sealing the hole;
4. A valve core; 41, valve rod, 42, valve head;
5. valve sleeve, 51, fixed sleeve, 511, connector, 512, movable cavity, 513, elastic piece, 514, positioning groove, 52, sealing sleeve, 521, annular groove, 522, positioning plate, 523, filter screen, 524, annular plate, 53, sealing seat, 54 and sealing ring;
6. A clearance gap;
7. sealing mechanism 71, movable piece 711, pressing plate 712, connecting rod 713, connecting plate 72, annular cavity 73, elastic sealing piece 74, connecting hole;
8. 81 parts of rotating mechanism, 811 parts of guide groove, 812 parts of vertical groove, chute, 82 parts of guide post, 83 parts of guide plate, 84 parts of limiting block, 85 parts of connecting pin, 86 parts of clamping groove, 87 parts of clamping block;
9. Adjusting plate 91, adjusting column 92 and knob.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on embodiments of the present invention fall within the protection scope of the present invention.
Example 1
The valve core of the existing regulating valve consists of a valve rod and a valve head, the valve rod and the valve head are welded or integrally formed, when the valve core is flushed by fluid and the sealing performance of the surface of the valve core is seriously affected, the whole valve core needs to be replaced, the maintenance cost is high, and the concept of cost reduction and efficiency enhancement is not met. This embodiment is invented to solve the above-mentioned problems.
Referring to fig. 1 to 11, an intelligent electric control valve according to an embodiment of the present invention includes a valve body 1 and an actuator 2, the valve body 1 includes a housing 11, an inlet channel 111 and an outlet channel 112 which are communicated are provided in the housing 11, a sealing cavity 113 is formed between the inlet channel 111 and the outlet channel 112, a valve seat 3 is provided in the sealing cavity 113, a sealing hole 31 is provided in the valve seat 3 and an arc-shaped sealing surface is formed, a valve core 4 is provided between the valve body 1 and the actuator 2, the valve core 4 includes a valve rod 41 and a valve head 42, the valve rod 41 is in sealing sliding connection with the housing 11, and the valve head 42 is located in the housing 11 and matched with the valve seat 3, and further includes a valve sleeve 5.
Referring to fig. 3 and 4, the valve sleeve 5 is disposed on the valve head 42 and matched with the valve seat 3, the valve sleeve 5 includes a fixing sleeve 51 fixedly connected with the valve head 42 and a sealing sleeve 52 disposed on an outer surface of the fixing sleeve 51, the sealing sleeve 52 includes a horizontal plane and an arc surface matched with a sealing surface of the valve seat 3, a connecting hole 74 is formed in the valve head 42, a connector 511 matched with the connecting hole 74 is disposed on the fixing sleeve 51, and the connector 511 is connected with the connecting hole 74 through threads.
Referring to fig. 1, the actuator 2 includes a connecting shaft 21 coaxially arranged with the valve core 4, one end of a valve rod 41 far away from a valve head 42 is in threaded connection with the connecting shaft 21, an indicator 22 is arranged on the connecting shaft 21, a supporting frame 23 is fixedly connected between the actuator 2 and the valve body 1, two sides of the supporting frame 23 are provided with a limiting plate 24 and a scale plate 25, and a pointer 26 matched with the scale plate 25 is arranged on the indicator 22.
When the valve sleeve 5 is used, the valve sleeve 5 is fixed on the valve head 42 in a threaded connection mode, so that a fluid medium acts on the valve sleeve 5 which can be replaced, a motor, an actuating mechanism and a control unit are arranged in the actuator 2, a worker slides the valve core 4 in the sealing cavity 113 by controlling the rotation of the motor, when the valve sleeve 5 is subjected to fluid scouring to generate great abrasion, and after the valve seal is invalid, the worker can detach the valve core 4 from the valve, detach the old valve sleeve 5 and install a new valve sleeve 5.
Through the valve pocket 5 that can dismantle the setting, after the governing valve used for a period, the sealed face of valve pocket 5 produced great wearing and tearing after receiving the scouring of fluid medium, workman's accessible change valve pocket 5's mode solves the problem of case 4 leakproofness, compares in case 4 of integral type structure, and this kind of mode has simple high-efficient and cost-effective advantage.
Example two
In practical use, it is found that if hard particles such as rust or silt exist in the fluid medium, part of the hard particles are mixed between the valve core 4 and the valve seat 3 in the sealing process of the valve core 4 and the valve seat 3, the hard particles play a role of abrasive, and the particles scratch or damage the surface of the valve core 4 under the action of pressure in the closing process. Further improvements are made on the basis of the above embodiments.
Referring to fig. 5 and 6, the sealing device further comprises a sealing seat 53 and a sealing mechanism 7;
the sealing seat 53 is coaxially fixed in the sealing hole 31 of the valve seat 3, and a sealing ring 54 is arranged on the sealing seat 53;
the horizontal surface of the sealing sleeve 52 is contacted with the sealing ring 54 to form a seal, and a movable gap 6 is formed between the cambered surface of the sealing sleeve 52 and the sealing surface of the valve seat 3.
The sealing mechanism 7 is arranged in the valve sleeve 5, the sealing mechanism 7 comprises a through hole formed in the sealing sleeve 52, a movable piece 71 is slidably connected in the through hole, an annular cavity 72 is formed between the fixed sleeve 51 and the sealing sleeve 52, an annular groove 521 is formed in the cambered surface of the sealing sleeve 52, an elastic sealing piece 73 is fixedly connected in the annular groove 521, a plurality of connecting holes 74 communicated with the annular cavity 72 are formed in the annular groove 521, the movable piece 71 slides in the through hole under the driving of fluid pressure, so that fluid enters the annular cavity 72, and the elastic sealing piece 73 deforms under the extrusion of the fluid pressure and forms sealing with the sealing surface of the valve seat 3.
Referring to fig. 5 and 8, the movable member 71 includes a pressing plate 711, a connecting hole 74 is formed in the valve head 42, a connector 511 matching with the connecting hole 74 is provided on the fixed sleeve 51, a movable cavity 512 is provided in the connector 511, a connecting rod 712 coaxially arranged with the movable cavity 512 is fixedly connected to the pressing plate 711, and a connecting plate 713 is coaxially fixed at one end of the connecting rod 712 located in the movable cavity 512.
Referring to fig. 7, a plurality of positioning plates 522 disposed in the annular cavity 72 are fixedly connected to the sealing sleeve 52, and a filter screen 523 is disposed between two adjacent positioning plates 522.
When the valve is in a closed state, the horizontal plane of the valve sleeve 5 is in contact with the sealing ring 54 arranged on the sealing seat 53 to form a good sealing effect, fluid medium in the inflow channel 111 acts on the movable piece 71 under the guidance of the valve seat 3 and the sealing seat 53, so that the movable piece 71 moves upwards and the annular cavity 72 is communicated with the inflow channel 111, the fluid medium enters the annular cavity 72 and gradually keeps consistent with the pressure in the inflow channel 111, and at the moment, the elastic sealing piece 73 deforms under the action of the pressure, so that the elastic sealing piece 73 is in contact with the sealing surface of the valve seat 3 to form secondary sealing.
It should be noted that, in the open state of the valve, the side of the sealing seat 53 close to the outlet channel 112 is also flushed by fluid to a greater extent, so that the wear of the single side of the sealing ring 54 is heavier, and if the sealing ring 54 is severely worn or aged, the contact pressure between the valve sleeve 5 and the sealing ring 54 can be increased by controlling the distance between the valve core 4 and the sealing seat 53.
In summary, through the arrangement of the seal seat 53, the seal ring 54, the elastic seal 73, the movable gap 6, and the like, when the valve core 4 forms a seal with the valve seat 3, the horizontal surface of the valve sleeve 5 contacts with the seal ring 54 on the seal seat 53 to form a primary seal, so that abrasion of hard particles on the sealing surface of the valve sleeve 5 can be avoided, meanwhile, as the fluid pressure in the inlet channel 111 increases, the movable piece 71 moves upwards to enable the annular cavity 72 to be communicated with the inlet channel 111, the elastic seal 73 deforms under the action of the fluid pressure and forms a secondary seal with the valve seat 3, when no fluid medium exists in the valve, the elastic seal 73 does not deform, the sealing surface of the valve sleeve 5 does not contact with the sealing surface of the valve seat 3, the abrasion problem is avoided, and the service lives of the valve sleeve 5 and the valve seat 3 are prolonged.
Example III
When the valve is in an open state, fluid can wash the sealing surface of the valve core 4 when passing through the valve core 4, particularly at a position close to a water outlet, the sealing surface of the valve core 4 is damaged more seriously because the flow rate of the fluid is faster and the flow rate is larger, so that the surface of the valve core 4 is not uniformly worn, and the sealing performance of the valve core 4 is lost earlier on the side with more serious wear, so that the service life of the valve core 4 is reduced. Further improvements are made on the basis of the above embodiments.
Referring to fig. 6, the sealing sleeve 52 is rotatably connected with the fixed sleeve 51, an elastic member 513 is disposed in the movable cavity 512, a rotation mechanism 8 is disposed in the movable cavity 512, a connection plate 713 is rotatably matched with the rotation mechanism 8, and when the connection plate 713 is reset under the action of the elastic member 513, the movable member 71 drives the sealing sleeve 52 to rotate.
Referring to fig. 10 and 11, the rotating mechanism 8 includes a guiding groove 81 disposed on an inner wall of the movable cavity 512, the guiding groove 81 includes a plurality of vertical grooves 811 and inclined grooves 812 connected end to end, a plurality of guiding columns 82 are fixedly connected to the inner wall of the movable cavity 512, the guiding columns 82 are located at a connection position between the vertical grooves 811 and the inclined grooves 812, a guiding plate 83 is rotatably connected to the guiding columns 82, a torsion spring is disposed between the guiding plate 83 and the guiding columns 82, and a limiting block 84 located on one side of the guiding plate 83 is fixedly connected to the inner wall of the movable cavity 512.
Referring to fig. 8, a connecting pin 85 is fixedly connected to a circumferential side of the connecting plate 713, the connecting pin 85 slides in the guiding slot 81, clamping slots 86 are respectively formed in the positioning plates 522, and a clamping block 87 matched with the clamping slots 86 is fixedly connected to a circumferential side of the pressing plate 711.
Referring to fig. 6, an annular plate 524 is fixedly connected to the sealing sleeve 52, a positioning groove 514 matching with the annular plate 524 is formed in the fixing sleeve 51, and the annular plate 524 is rotatably connected with the positioning groove 514.
An adjusting plate 9 is arranged in the movable cavity 512, an elastic piece 513 is arranged between the adjusting plate 9 and the connecting plate 713, an adjusting column 91 is fixedly connected to the adjusting plate 9, a knob 92 is fixedly connected to one end of the adjusting column 91 extending out of the connecting head 511, the adjusting column 91 is in threaded connection with the connecting head 511, and a placing groove matched with the knob 92 is formed in the valve head 42.
When in use, a worker can rotate the knob 92 to adjust the initial distance between the adjusting plate 9 and the connecting plate 713 according to different pipeline pressures and use requirements, so as to restrict the initial compression amount of the elastic member 513, and the larger the running pressure of the pipeline is, the closer the initial distance between the adjusting plate 9 and the connecting plate 713 is, and the larger the initial compression amount of the elastic member 513 is.
After the valve housing 5 is mounted on the valve head 42, when the pressure in the inflow channel 111 is gradually increased, the movable member 71 is moved upward by the fluid drive, at this time, the connecting pin 85 moves in the vertical groove 811, and in the process of moving the connecting pin 85 upward, the guide plate 83 swings to one side under the action of the connecting pin 85 until the connecting pin 85 is out of contact with the guide plate 83, the guide plate 83 is reset under the action of the torsion spring, and the guide plate 83 is limited by the limiting block 84, so that the initial position of the guide plate 83 is always unchanged and can form an angular fit with the chute 812.
When the valve is in an open state, the fluid pressures in the inflow channel 111, the sealing cavity 113 and the outflow channel 112 gradually tend to be consistent, the movable piece 71 is reset under the action of the elastic piece 513, at this time, the connecting pin 85 enters the chute 812 under the guidance of the guide plate 83 in the downward moving process, and moves until the connecting pin 85 reaches the intersection point of the chute 812 and the next vertical groove 811, and in this process, the movable piece 71 drives the sealing sleeve 52 to rotate.
In summary, through the arrangement of the guide slot 81, the connecting pin 85, the guide plate 83, the clamping slot 86, the clamping block 87 and the like, when the valve is in the closed state, the movable member 71 moves upwards under the action of the fluid pressure until the movable member moves to the intersection point of the vertical slot 811 and the chute 812, after the valve is opened, the fluid pressure in the inflow channel 111, the outflow channel 112 and the sealing cavity 113 gradually tends to be consistent, the movable member 71 resets under the action of the elastic member 513, the connecting pin 85 enters the chute 812 and enables the movable member 71 to drive the sealing sleeve 52 to rotate for a certain angle, so that the valve sleeve 5 can be adjusted every time the valve is opened, the problem that the sealing surface close to the outflow channel 112 is worn more seriously is avoided, the sealing surface of the valve sleeve 5 is worn more uniformly, the service life of the valve sleeve 5 is prolonged, and the replacement period of the valve sleeve 5 is prolonged.
Example IV
A control method of an intelligent electric control valve, comprising the steps of:
Step 1. Before the regulating valve is used, the valve sleeve 5 is mounted on the valve head 42, and the specific steps are as follows:
S101, according to the pipeline pressure and the use requirement, turning a knob 92 to adjust the initial distance between the adjusting plate 9 and the connecting plate 713, wherein the larger the pipeline running pressure is, the closer the initial distance between the adjusting plate 9 and the connecting plate 713 is;
S102, aligning a connector 511 on the valve sleeve 5 with a connecting hole 74 on the valve head 42, and mounting the valve sleeve 5 on the valve head 42;
Step 2, debugging the regulating valve, wherein the specific steps are as follows:
s201, driving the valve core 4 to approach the valve seat 3 through the actuator 2, so that the horizontal plane of the valve sleeve 5 contacts with the sealing ring 54 on the sealing seat 53 to form a seal, and taking care that the pressure applied by the valve sleeve 5 to the sealing seat 53 cannot be too large or too small;
S202, checking whether the pointer 26 is positioned at a corresponding position when the valve is in a full-open state and a closed state through readings of the pointer 26 of the actuator 2 and the scale plate 25;
Step 3, normally using the regulating valve, and controlling the actuator 2 to drive the valve core 4 to move;
And 4, if the sealing ring 54 on the sealing seat 53 is aged or worn on one side, adjusting the contact pressure between the valve sleeve 5 and the sealing ring 54 by adjusting the relative position of the valve rod 41 and the connecting shaft 21.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
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| Application Number | Priority Date | Filing Date | Title |
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| CN202510175748.3A CN119641928B (en) | 2025-02-18 | 2025-02-18 | Intelligent electric regulating valve and control method thereof |
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| CN202510175748.3A CN119641928B (en) | 2025-02-18 | 2025-02-18 | Intelligent electric regulating valve and control method thereof |
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| CN119641928A true CN119641928A (en) | 2025-03-18 |
| CN119641928B CN119641928B (en) | 2025-05-20 |
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| CN119878830A (en) * | 2025-03-25 | 2025-04-25 | 浙江方顿仪表阀门有限公司 | Integrated high-pressure stop valve |
| CN120062375A (en) * | 2025-04-24 | 2025-05-30 | 山东森格环境工程有限公司 | Multi-parameter intelligent mixing valve group prying regulating valve |
| CN120799122A (en) * | 2025-09-09 | 2025-10-17 | 九方流体系统技术(深圳)有限公司 | Shut-off valve and fluid delivery device |
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| CN219796145U (en) * | 2023-04-20 | 2023-10-03 | 亚登阀业集团有限公司 | Low-temperature stop valve |
| CN119084599A (en) * | 2024-10-24 | 2024-12-06 | 钦丰科技(安徽)股份有限公司 | A Y-type composite multi-seal stop valve |
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| CN206513852U (en) * | 2017-03-07 | 2017-09-22 | 盐城法尔机械有限公司 | A kind of stop valve |
| CN115854037A (en) * | 2022-09-08 | 2023-03-28 | 高瑶瑶 | Industrial valve |
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| CN219796145U (en) * | 2023-04-20 | 2023-10-03 | 亚登阀业集团有限公司 | Low-temperature stop valve |
| CN119084599A (en) * | 2024-10-24 | 2024-12-06 | 钦丰科技(安徽)股份有限公司 | A Y-type composite multi-seal stop valve |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN119878830A (en) * | 2025-03-25 | 2025-04-25 | 浙江方顿仪表阀门有限公司 | Integrated high-pressure stop valve |
| CN120062375A (en) * | 2025-04-24 | 2025-05-30 | 山东森格环境工程有限公司 | Multi-parameter intelligent mixing valve group prying regulating valve |
| CN120799122A (en) * | 2025-09-09 | 2025-10-17 | 九方流体系统技术(深圳)有限公司 | Shut-off valve and fluid delivery device |
| CN120799122B (en) * | 2025-09-09 | 2025-11-14 | 九方流体系统技术(深圳)有限公司 | Shut-off valve and fluid delivery device |
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|---|---|
| CN119641928B (en) | 2025-05-20 |
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