CN210484717U - Dynamic balance regulating valve - Google Patents
Dynamic balance regulating valve Download PDFInfo
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- CN210484717U CN210484717U CN201921203250.XU CN201921203250U CN210484717U CN 210484717 U CN210484717 U CN 210484717U CN 201921203250 U CN201921203250 U CN 201921203250U CN 210484717 U CN210484717 U CN 210484717U
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Abstract
The utility model discloses an automatic pressure-flow regulating valve, which comprises a valve body, wherein an inlet and an outlet are arranged on the valve body, a liquid outlet cavity communicated with the outlet, a liquid inlet cavity communicated with the inlet and a pressure regulating cavity are formed in the inner cavity of the valve body by separating two clapboards, a through hole is arranged on the clapboard between the liquid outlet cavity and the liquid inlet cavity, a movable pressure-flow regulating rod is penetrated in the through hole, a first disk body is arranged at one end of the movable pressure-flow regulating rod, which is positioned at the through hole, and the size of the first disk body is correspondingly matched with that of; a flow control structure for controlling the outlet flow of the outlet is fixed in the middle of the liquid outlet cavity in a sealing and positioning manner, and a control rod of the flow control structure penetrates through the liquid outlet cavity; the pressure regulation cavity is provided with a pressure regulation structure, the other end of the movable pressure flow regulation rod penetrates through the partition plate between the liquid inlet cavity and the pressure regulation cavity and then is fixedly connected with the pressure regulation structure, and the structure of the pressure regulation cavity is stable and reliable when a pipe network with regulation requirements on flow and pressure in a pipeline is regulated.
Description
Technical Field
The utility model belongs to the technical field of a valve structure technique and specifically relates to a dynamic balance governing valve.
Background
A flow control valve is a final control element which is operated by power to change technological parameters such as medium flow, pressure, temperature, liquid level and the like in the field of industrial automation process control by receiving a control signal output by a mediation control unit. At present, the system is generally applied to a central air conditioner and a heating system, and along with the application of various energy-saving technologies such as a frequency conversion technology, a temperature control technology and the like and the implementation of household heat metering, the operation modes of a pipe network system are greatly different. The difference of the operation modes also has great difference to the selection of the flow and the pressure balance products of the pipe network, if the selection is wrong, the due effect can not be achieved, and the conditions of room temperature overheating of users of the heat supply terminal and pipe explosion caused by unbalanced flow and pressure can also occur. The uncertainty of the operation mode generates uncertainty of the selection of the flow and pressure balance products, so that technical innovation of balance valve manufacturers on the performance and function needs of the flow and pressure balance products is promoted; further develop the product that makes flow and pressure balance and have high performance to the demand that adapts to pipe network safety and stability operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the technical deficiencies and designing a stable and reliable dynamic balance governing valve when having the pipe network of regulation requirement to flow and pressure in the pipeline simultaneously and adjusting.
The utility model relates to a dynamic balance regulating valve, which comprises a valve body, wherein the valve body is provided with an inlet and an outlet, a liquid outlet cavity communicated with the outlet, a liquid inlet cavity communicated with the inlet and a pressure regulating cavity are formed in the inner cavity of the valve body by separating two clapboards, a through hole is arranged on the clapboard between the liquid outlet cavity and the liquid inlet cavity, a movable pressure flow regulating rod is penetrated in the through hole, one end of the movable pressure flow regulating rod, which is positioned at the through hole, is provided with a first disk body, and the size of the first disk body is correspondingly matched with that of the through hole; a flow control structure for controlling the outlet flow of the outlet is fixed in the middle of the liquid outlet cavity in a sealing and positioning manner, and a control rod of the flow control structure penetrates through the liquid outlet cavity; the pressure adjusting cavity is provided with a pressure adjusting structure, the other end of the movable pressure flow adjusting rod penetrates through a partition plate between the liquid inlet cavity and the pressure adjusting cavity and then is fixedly connected with the pressure adjusting structure, the pressure adjusting structure pushes and pulls the movable pressure flow adjusting rod according to the pressure in the liquid inlet cavity to control the first disk body, the displacement of the first disk body controls the opening, closing or opening degree of the through hole, and the liquid in the liquid inlet cavity enters the liquid outlet cavity through the through hole to be adjusted and controlled.
Further preferably, the pressure regulation structure includes spring and piston, and the both ends of spring are contradicted with the blind end in pressure regulation chamber and the one end of piston respectively, and movable pressure flow control pole's the other end runs through behind the baffle between feed liquor chamber and the pressure regulation chamber and pegs graft with the other end of piston, and the equal ring channel in week of piston has the sealing washer to imbed in the ring channel, and the sealing washer lateral wall is laminated with the lateral wall in pressure regulation chamber, and movable pressure flow control pole's the other end is equipped with disk body two.
Preferably, a T-shaped positioning sleeve is in threaded connection with a through hole which is formed in the partition plate between the liquid inlet cavity and the pressure adjusting cavity and is penetrated by the movable pressure flow adjusting rod, and the transverse part surface of the T-shaped positioning sleeve is respectively attached to the partition plate between the liquid inlet cavity and the pressure adjusting cavity, the side wall of the pressure adjusting cavity and the other end surface of the piston; the distance between the left side surface of the partition plate between the liquid outlet cavity and the liquid inlet cavity and the right side surface of the first disc body is equal to the distance between the left side surface of the partition plate between the pressure adjusting cavity and the liquid inlet cavity and the right side surface of the second disc body; the size of the second disc body is correspondingly matched with the inner hole of the T-shaped positioning sleeve, and the other end of the movable pressure flow adjusting rod penetrates through the inner hole of the T-shaped positioning sleeve and then is connected with the connecting column at the other end of the piston in an inserting mode.
Preferably, the valve body comprises a tubular main body, a first end cover and a second end cover, an inlet and an outlet are arranged on the side wall of the tubular main body, and a liquid outlet cavity communicated with the outlet, a liquid inlet cavity communicated with the inlet and a pressure adjusting cavity are formed in an internal channel of the tubular main body in a separating mode through two partition plates; two ports of the tubular main body are respectively positioned at the liquid outlet cavity and the pressure adjusting cavity, and the first end cover and the second end cover are respectively in threaded connection with the two ports of the tubular main body so as to seal the end parts of the liquid outlet cavity and the pressure adjusting cavity; a control rod of the flow control structure penetrates through the first end cover at the liquid outlet cavity, and two ends of the spring are respectively abutted against the second end cover at the pressure adjusting cavity and one end of the piston; a ring body is arranged on the periphery of the outer end face of the end cover, a rear sealing ring is embedded into the port edge of the liquid outlet cavity on the tubular main body, and the sealing ring is in butt seal with the inner side face of the ring body.
Preferably, the flow control structure comprises a fixed valve plate and a movable valve plate, one side surface of the fixed valve plate is fixed in the middle of the liquid outlet cavity in a sealing mode, the movable valve plate is attached to the other side surface of the fixed valve plate, and a plurality of valve holes are formed in the fixed valve plate and the movable valve plate and are correspondingly arranged in position; one end of the control rod penetrates through the end cover of the liquid cavity, the side wall of the control rod is tightly attached to the through hole at the closed end of the liquid outlet cavity, and the other end of the control rod is fixedly positioned with the movable valve plate; the side wall of the control rod is provided with a plurality of annular grooves, sealing rings are embedded in the annular grooves, and the sealing rings are attached to the inner side wall of a through hole, which is formed in the end cover I and penetrates through the control rod, of the through hole.
Preferably, the movable valve plate is a ceramic valve plate, and the valve hole on the ceramic valve plate is a fishtail-shaped valve hole.
Preferably, the side wall of the middle part of the liquid outlet cavity is provided with a step and a plurality of positioning grooves, one side surface of the fixed valve plate is in contact with the surface of the step, the side wall of the fixed valve plate is provided with a plurality of positioning blocks, each positioning block is correspondingly inserted into each positioning groove, a sealing ring is positioned between the step and the fixed valve plate, and the sealing ring is embedded into the step; the middle part of control lever has the bulge loop, has the packing ring between the through hole internal orifice edge on bulge loop and the end cover, and the packing ring overlaps on the control lever, and the other end of control lever has the square, has the square hole on the movable valve piece, and the square corresponds inserts in the square hole, and the control lever is spacing to fixed valve plate and movable valve piece on the step through the conflict of bulge loop and suppresses the location.
Further preferably, the device further comprises an electric control device, and a rotating shaft of the electric control device is fixedly inserted into one end of the control rod.
Further preferably, the electric control device comprises a shell, a motor and a connecting frame, wherein the motor is fixed in an inner cavity of the shell; the rotating shaft is inserted into the through hole of the shell, one end of the rotating shaft is fixedly connected with the rotating shaft of the motor, and the other end of the rotating shaft is fixedly inserted into one end of the control rod; and the shell is fixedly connected with the closed end of the liquid outlet cavity of the valve body through the connecting frame.
Further preferably, a liquid outlet pipe extends from the outlet, a temperature sensor mounting channel is arranged on the side wall of the liquid outlet pipe, and a connecting pipe is connected to the port of the liquid outlet pipe through a threaded sleeve.
The utility model discloses a dynamic balance governing valve, in addition, utilize the design that the combination of flow control structure and pressure regulation structure removed the rubber involucra, realize the requirement of adjusting simultaneously flow and pressure in the pipeline in the pipe network system, it is reliable and stable when adjusting moreover, promote life, can distribute each family with the unchangeable flow as required when pressure is stable, thoroughly solve the pipe network among the prior art in the flow control valve lectotype mistake and lead to the unstable and flow imbalance to cause the overheated technical problem of heat supply end user room temperature, blow out pipe of pressure; flow pressure is balanced, consumption and energy are reduced, and the complaint rate of users is reduced.
Drawings
FIG. 1 is the whole structure diagram of embodiment 1;
FIG. 2 is the whole structure diagram of embodiment 1 (II);
FIG. 3 is a schematic view (one) of the overall configuration of the electric power control apparatus according to embodiment 1;
fig. 4 is a schematic view (ii) of the overall configuration of the electric power control apparatus of embodiment 1;
fig. 5 is a schematic view (iii) of the overall configuration of the electric power control apparatus of embodiment 1;
FIG. 6 is a schematic view showing a fully open state of the valve hole of embodiment 1;
FIG. 7 is a schematic view showing a state in which the valve hole of embodiment 1 is adjusted;
fig. 8 is a schematic view showing a closed state of the valve hole of embodiment 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
Example 1:
as shown in fig. 1 to 8, the dynamic balance regulating valve described in this embodiment includes a valve body 1, an inlet 15 and an outlet 16 are provided on the valve body 1, a liquid outlet chamber 12 communicated with the outlet 16, a liquid inlet chamber 13 communicated with the inlet 15, and a pressure regulating chamber 14 are formed in an inner cavity of the valve body 1 by two partitions 11, a through hole 111 is provided on the partition 11 between the liquid outlet chamber 12 and the liquid inlet chamber 13, a movable pressure flow regulating rod 2 penetrates through the through hole 111, a first disk body 21 is provided at one end of the movable pressure flow regulating rod 2 located at the through hole 111, and a size of the first disk body 21 is matched with a size of the through hole 111; a flow control structure 3 for controlling the outlet flow of the outlet is fixed in the middle of the liquid outlet cavity 12 in a sealing and positioning manner, and a control rod 31 of the flow control structure 3 penetrates through the liquid outlet cavity 12; the pressure adjusting cavity 14 is provided with a pressure adjusting structure 4, the other end of the movable pressure flow adjusting rod 2 penetrates through the partition plate 11 between the liquid inlet cavity 13 and the pressure adjusting cavity 14 and then is fixedly connected with the pressure adjusting structure 4, the pressure adjusting structure 4 pushes and pulls the movable pressure flow adjusting rod 2 according to the pressure in the liquid inlet cavity to control the first disk body 21, and the displacement of the first disk body 21 controls the opening, closing or opening degree of the through hole 111 so as to adjust and control the flow of liquid in the liquid inlet cavity 12 entering the liquid outlet cavity 12 through the through hole 111.
In this embodiment, the pressure adjusting structure 4 includes a spring 42 and a piston 41, two ends of the spring 42 respectively abut against the closed end of the pressure adjusting cavity 14 and one end of the piston 41, the other end of the movable pressure flow adjusting rod 2 penetrates through the partition plate 11 between the liquid inlet cavity 13 and the pressure adjusting cavity 14 and then is inserted into the other end of the piston 41, the circumferential sides of the piston 41 are all annular grooves, a sealing ring 20 is embedded into the annular groove, the side wall of the sealing ring 20 is attached to the side wall of the pressure adjusting cavity 14, and the other end of the movable pressure flow adjusting rod 2 is provided with a second disk body 22. The structure of the pressure regulating valve is matched with a movable pressure flow regulating rod, so that the pressure regulating stability is high, and the pressure regulating valve is durable; the technical problems that a rubber membrane in a dynamic balance valve in the prior art is damaged due to long-term use, pressure is unstable, flow is unbalanced, and a heat supply end user overheats at room temperature and bursts are thoroughly solved.
In this embodiment, the flow control structure 3 includes a fixed valve plate 33 and a movable valve plate 32, one side surface of the fixed valve plate 33 is hermetically fixed in the middle of the liquid outlet cavity 12, the movable valve plate 32 is attached to the other side surface of the fixed valve plate 33, and the fixed valve plate 33 and the movable valve plate 32 are respectively provided with a plurality of valve holes 10 whose positions are correspondingly arranged; one end of the control rod 31 penetrates through the end cover 18 of the liquid cavity 12, the side wall of the control rod 31 is tightly attached to the through hole at the closed end of the liquid outlet cavity 12, and the other end of the control rod is fixedly positioned with the movable valve plate 32; the side wall of the control rod 31 is provided with a plurality of annular grooves, the sealing rings 20 are embedded in the annular grooves, and the sealing rings 20 are attached to the inner side wall of a through hole penetrating through the control rod 31 on the end cover 18. The movable valve plate 32 is a ceramic valve plate, and a valve hole on the ceramic valve plate is a fishtail-shaped valve hole. The structure of the rotary control rod enables the ceramic valve block to rotate between 0-90 degrees, so that the size degree of a water outlet channel formed by the mutual correspondence of the fishtail-shaped valve hole in the ceramic valve block and the valve hole in the fixed valve block is adjusted, the flow of water in a cavity at the position of the fixed valve block on a liquid outlet cavity into the cavity at the position of the ceramic valve block on the liquid outlet cavity is controlled, the ceramic valve block has high hardness and high wear resistance, is not easy to cause dirt accumulation, is durable, is more reasonable in design, and is more accurate in flow adjustment.
The design principle of the structure is as follows:
1) the spring piston is in a loose state at the beginning of the valve operation, and the through hole is fully opened. When the pressure in the liquid inlet cavity is increased by the water entering from the inlet, the pressure in the liquid inlet cavity pushes the piston and the movable pressure flow regulating rod to make the piston move backwards, and the elastic force of the spring is utilized to regulate the pipeline connected with the inlet, the pipeline connected with the outlet and the pressure in the liquid inlet cavity into the uniform breaking stone. When the water pressure in the liquid inlet cavity exceeds a specified pressure range value, the elastic force of the spring is smaller than the pressure in the liquid inlet cavity, at the moment, the through hole in the partition plate is plugged by the first disk body, the valve is in a fully-closed state, water flow is cut off, and the situations of overheating, water leakage, pipe explosion and the like of indoor room temperature of a user are prevented.
2) When the elastic force of the spring and the pressure in the liquid inlet cavity are kept in a balanced state, the size of a channel generated after the fishtail-shaped valve hole in the ceramic valve plate corresponds to the valve hole in the fixed valve plate is enabled to adjust the size of the flow flowing out of the outlet through the rotation of the ceramic valve plate in the flow adjusting structure, the adjusting structure is high in adjusting sensitivity, the water flow is adjusted in the process from full opening to closing within 90 degrees to control the indoor temperature change, the balance of the flow in the pipeline is realized, and the effect of stable heating of an end user (the unbalanced phenomenon that upstairs cold, downstairs hot or upstairs and downstairs super cold cannot be caused) is achieved.
3) When hot water enters the liquid inlet cavity from the inlet and generates water pressure which is greater than the elastic force of the spring, the water pressure applies force on the second disc body to promote the movable pressure flow adjusting rod to push the piston and the spring, at the moment, the pressure in the liquid inlet cavity is balanced through the elastic force of the spring, the through hole on the partition plate is in an open state (the pressure in the liquid inlet cavity is greater, so that only a strip gap is generated between the through hole and the first disc body), so that water in the liquid inlet cavity enters the liquid outlet cavity to enable the outlet to discharge water, otherwise, the movable pressure flow adjusting rod cannot be promoted when the water pressure is less than the elastic force of the spring, at the moment, the through hole on the partition plate is in a completely open state, the water in the liquid inlet cavity can smoothly enter the liquid outlet cavity, and meanwhile, after the balance is realized through the movable pressure flow adjusting rod, the rotating control rod is carried out to promote the ceramic valve block The size degree of the channel can control the flow of water in the cavity at the position of the fixed valve plate on the liquid outlet cavity into the cavity at the position of the ceramic valve plate on the liquid outlet cavity, and the water in the cavity at the position of the ceramic valve plate on the liquid outlet cavity enters a user family through an outlet; when the water pressure in the liquid inlet cavity exceeds the specified pressure range value, the elastic force of the spring is smaller than the pressure in the liquid inlet cavity, at the moment, the through hole in the partition plate is plugged by the first disc body, the valve is in a fully-closed state, and water flow is cut off.
In this embodiment, a through hole, which is penetrated by the movable pressure flow adjusting rod 2, in the partition plate 11 between the liquid inlet chamber 13 and the pressure adjusting chamber 14 is in threaded connection with a T-shaped positioning sleeve 5, and the transverse part surface of the T-shaped positioning sleeve 5 is respectively attached to the partition plate 11 between the liquid inlet chamber 13 and the pressure adjusting chamber 14, the side wall of the pressure adjusting chamber 14 and the other end surface of the piston 41; the distance between the left side surface of the partition plate 11 between the liquid outlet cavity 12 and the liquid inlet cavity 13 and the right side surface of the first disc body 21 is equal to the distance between the left side surface of the partition plate 11 between the pressure adjusting cavity 14 and the liquid inlet cavity 13 and the right side surface of the second disc body 22; the size of the second disc body 22 is correspondingly matched with the inner hole of the T-shaped positioning sleeve 5, and the other end of the movable pressure flow adjusting rod 2 penetrates through the inner hole of the T-shaped positioning sleeve 5 and then is inserted into the connecting column at the other end of the piston 41. In the structure, under the condition that the through hole is completely opened, the distance between the first tray body and the partition board is equal to the distance between the second tray body and the other partition board, and after the pressure acts on the second tray body, the second tray body is inserted into the inner hole opening part of the T-shaped positioning sleeve, and the first tray body just seals the through hole on the partition board. The structure design of the device is compact and reliable, and the use performance is improved.
In this embodiment, the valve body 1 includes a tubular main body 17, a first end cover 18 and a second end cover 19, an inlet 15 and an outlet 16 are arranged on the side wall of the tubular main body 17, and a liquid outlet cavity 12 communicated with the outlet 16, a liquid inlet cavity communicated with the inlet 15 and a pressure adjusting cavity are formed in an internal channel of the tubular main body 17 by two partition plates 11; two ports of the tubular main body 17 are respectively positioned at the liquid outlet cavity 12 and the pressure adjusting cavity 14, and the first end cover 18 and the second end cover 19 are respectively in threaded connection with the two ports of the tubular main body 17 so as to seal the end parts of the liquid outlet cavity 12 and the pressure adjusting cavity 14; the control rod 31 of the flow control structure 3 penetrates through the first end cover 18 at the position of the liquid cavity 12, and two ends of the spring 42 respectively abut against the second end cover 19 at the position of the pressure adjusting cavity 14 and one end of the piston 41; the periphery of the outer end face of the first end cover 18 is provided with a ring body 181, a port opening edge of the liquid outlet cavity 12 on the tubular main body 17 is embedded into a rear sealing ring 20, and the sealing ring 20 is in abutting seal with the inner side face of the ring body 181. The valve body mechanism enables all parts of the flow adjusting structure and all parts of the pressure adjusting structure which are arranged in the tubular main body to be more conveniently and quickly arranged, and the assembling efficiency is improved. The first end cover and the second end cover at the two ends of the tubular main body are fixedly connected through threads.
In this embodiment, the side wall of the middle portion of the liquid outlet cavity 12 has a step 121 and a plurality of positioning grooves 122, one side surface of the fixed valve plate 33 contacts with the side surface of the step 121, the side wall of the fixed valve plate 33 has a plurality of positioning blocks 331, each positioning block 331 is correspondingly inserted into each positioning groove 122, a sealing ring 20 is positioned between the step 121 and the fixed valve plate 33, and the sealing ring 20 is embedded into the step 121; the middle of the control rod 31 is provided with a convex ring 311, a gasket 9 is arranged between the convex ring 311 and the inner opening edge of the through hole on the end cover I18, the gasket 9 is sleeved on the control rod 31, the other end of the control rod 31 is provided with a square block, the movable valve plate is provided with a square hole 332, the square block is correspondingly inserted into the square hole 332, and the control rod 31 presses and positions the fixed valve plate 33 and the movable valve plate 32 on the step 121 through the interference limit of the convex ring 311. The valve block is convenient to install, position and fix, and the design is reasonable.
In this embodiment, the device further comprises an electric control device 9, wherein a rotating shaft 94 of the electric control device 9 is fixedly inserted into one end of the control rod 31; the electric control device 9 comprises a shell 91, a motor 92 and a connecting frame 93, wherein the motor 92 is fixed in the inner cavity of the shell 91; the rotating shaft 94 is inserted into the through hole of the casing 91, one end of the rotating shaft is fixedly connected with the rotating shaft of the motor 92, and the other end of the rotating shaft is fixedly inserted into one end of the control rod 31; and the shell 91 is fixedly connected with a side connecting block 23 at one end of the valve body 1, of which the liquid outlet cavity is closed by the first end cover 18, through a connecting frame 93. The dynamic balance adjusting valve of the embodiment of the structure has the double operation functions of manual adjustment and automatic adjustment, and during manual adjustment, a manual control key is connected to a motor to set data and then control the data.
In this embodiment, a liquid outlet pipe 6 extends from the outlet 16, a temperature sensor mounting channel 61 is formed on the side wall of the liquid outlet pipe 6, and a connecting pipe 8 is connected to the port of the liquid outlet pipe through a threaded sleeve 7. The temperature sensor installation channel of its structure mountable temperature sensor to observe the temperature of drain pipe exhaust liquid, the dismouting of being convenient for when setting up through the connection of connecting pipe and making to be connected with outlet conduit.
The dynamic balance regulating valve of the embodiment is suitable for a pipe network which has regulating requirements on flow and pressure in the pipe simultaneously, and is particularly suitable for domestic users in a district at the tail end of a heat supply (northern heat supply) pipe network; the flow can be distributed to each household as required without changing when the pressure is stable, the phenomenon that the temperature of a terminal user is overheated and the pipe is burst due to unbalanced flow caused by unstable pressure is thoroughly avoided, the flow pressure is balanced, consumption and energy are reduced, and the complaint rate of the user is reduced.
After the valve is installed, the indoor temperature of each household user can be remotely regulated and controlled through the flow compression ratio by using a network system. The temperature balance is conveniently and quickly solved, and the energy is saved. The user also can independently adjust the temperature according to the demand, realizes the action energy-conservation, and the cooperation divides family's heat-meter to carry out various operations, and the card is swiped in the payment, and the effective control of opening the valve is charged.
The anti-interference capability is strong, and the flow is kept constant no matter how other valves are adjusted. The air-conditioning fan coil pipe can be applied to the air-conditioning fan coil pipe, and is balanced and energy-saving. Can be applied to a tap water system to supply water in a balanced manner and reduce the pressure of a pipe network and the water hammer phenomenon. The heat supply pipe network system can be applied to heat supply pipe network systems, stabilize the indoor temperature and the pipeline pressure of heat supply, save energy and reduce consumption.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.
Claims (10)
1. A dynamic balance regulating valve comprises a valve body, wherein an inlet and an outlet are arranged on the valve body, and the dynamic balance regulating valve is characterized in that a liquid outlet cavity communicated with the outlet, a liquid inlet cavity communicated with the inlet and a pressure regulating cavity are formed in an inner cavity of the valve body in a separating way through two separating plates; a flow control structure for controlling the outlet flow of the outlet is fixed in the middle of the liquid outlet cavity in a sealing and positioning manner, and a control rod of the flow control structure penetrates through the liquid outlet cavity;
the pressure adjusting cavity is provided with a pressure adjusting structure, the other end of the movable pressure flow adjusting rod penetrates through a partition plate between the liquid inlet cavity and the pressure adjusting cavity and then is fixedly connected with the pressure adjusting structure, the pressure adjusting structure pushes and pulls the movable pressure flow adjusting rod according to the pressure in the liquid inlet cavity to control the first disk body, the displacement of the first disk body controls the opening, closing or opening degree of the through hole, and the liquid in the liquid inlet cavity enters the liquid outlet cavity through the through hole to be adjusted and controlled.
2. The dynamic balance regulating valve according to claim 1, wherein the pressure regulating structure comprises a spring and a piston, two ends of the spring respectively abut against the closed end of the pressure regulating cavity and one end of the piston, the other end of the movable pressure flow regulating rod penetrates through a partition plate between the liquid inlet cavity and the pressure regulating cavity and then is inserted into the other end of the piston, the periphery of the piston is provided with an annular groove, a sealing ring is embedded into the annular groove, the side wall of the sealing ring is attached to the side wall of the pressure regulating cavity, and the other end of the movable pressure flow regulating rod is provided with a second disk body.
3. The dynamic balance regulating valve according to claim 2, wherein a T-shaped positioning sleeve is in threaded connection with a through hole which is penetrated by the movable pressure flow regulating rod on the partition plate between the liquid inlet cavity and the pressure regulating cavity, and the transverse part surface of the T-shaped positioning sleeve is respectively attached to the partition plate between the liquid inlet cavity and the pressure regulating cavity, the side wall of the pressure regulating cavity and the other end surface of the piston; the distance between the left side surface of the partition plate between the liquid outlet cavity and the liquid inlet cavity and the right side surface of the first disc body is equal to the distance between the left side surface of the partition plate between the pressure adjusting cavity and the liquid inlet cavity and the right side surface of the second disc body; the size of the second disc body is correspondingly matched with the inner hole of the T-shaped positioning sleeve, and the other end of the movable pressure flow adjusting rod penetrates through the inner hole of the T-shaped positioning sleeve and then is connected with the connecting column at the other end of the piston in an inserting mode.
4. The dynamic balance regulating valve according to any one of claims 1 to 3, wherein the valve body comprises a tubular main body, a first end cover and a second end cover, an inlet and an outlet are arranged on the side wall of the tubular main body, and a liquid outlet cavity communicated with the outlet, a liquid inlet cavity communicated with the inlet and a pressure regulating cavity are formed in the internal channel of the tubular main body by two partition plates in a separating way; two ports of the tubular main body are respectively positioned at the liquid outlet cavity and the pressure adjusting cavity, and the first end cover and the second end cover are respectively in threaded connection with the two ports of the tubular main body so as to seal the end parts of the liquid outlet cavity and the pressure adjusting cavity; a control rod of the flow control structure penetrates through the first end cover at the liquid outlet cavity, and two ends of the spring are respectively abutted against the second end cover at the pressure adjusting cavity and one end of the piston; a ring body is arranged on the periphery of the outer end face of the end cover, a rear sealing ring is embedded into the port edge of the liquid outlet cavity on the tubular main body, and the sealing ring is in butt seal with the inner side face of the ring body.
5. The dynamic balance regulating valve according to claim 4, wherein the flow control structure comprises a fixed valve plate and a movable valve plate, one side surface of the fixed valve plate is hermetically fixed in the middle of the liquid outlet cavity, the movable valve plate is attached to the other side surface of the fixed valve plate, and the fixed valve plate and the movable valve plate are respectively provided with a plurality of valve holes with mutually corresponding positions; one end of the control rod penetrates through the end cover of the liquid cavity, the side wall of the control rod is tightly attached to the through hole at the closed end of the liquid outlet cavity, and the other end of the control rod is fixedly positioned with the movable valve plate; the side wall of the control rod is provided with a plurality of annular grooves, sealing rings are embedded in the annular grooves, and the sealing rings are attached to the inner side wall of a through hole, which is formed in the end cover I and penetrates through the control rod, of the through hole.
6. The dynamic balance adjustment valve of claim 5, wherein the movable valve plate is a ceramic valve plate, and the valve hole on the ceramic valve plate is a fishtail-shaped valve hole.
7. The dynamic balance regulating valve of claim 6, wherein the middle side wall of the liquid outlet cavity is provided with a step and a plurality of positioning grooves, one side surface of the fixed valve plate is in contact with the surface of the step, the side wall of the fixed valve plate is provided with a plurality of positioning blocks, each positioning block is correspondingly inserted into each positioning groove, a sealing ring is positioned between the step and the fixed valve plate, and the sealing ring is embedded into the step; the middle part of control lever has the bulge loop, has the packing ring between the through hole internal orifice edge on bulge loop and the end cover, and the packing ring overlaps on the control lever, and the other end of control lever has the square, has the square hole on the movable valve piece, and the square corresponds inserts in the square hole, and the control lever is spacing to fixed valve plate and movable valve piece on the step through the conflict of bulge loop and suppresses the location.
8. The dynamic balance regulating valve according to claim 7, further comprising an electric control device, wherein a rotating shaft of the electric control device is fixedly inserted into one end of the control rod.
9. The dynamic balance regulating valve of claim 8, wherein the electric control device comprises a housing, a motor and a connecting frame, the motor is fixed in the inner cavity of the housing; the rotating shaft is inserted into the through hole of the shell, one end of the rotating shaft is fixedly connected with the rotating shaft of the motor, and the other end of the rotating shaft is fixedly inserted into one end of the control rod; and the shell is fixedly connected with the closed end of the liquid outlet cavity of the valve body through the connecting frame.
10. The dynamic balance regulating valve as claimed in claim 9, wherein a liquid outlet pipe extends from the outlet, and a side wall of the liquid outlet pipe is provided with a temperature sensor mounting passage, and a port of the liquid outlet pipe is connected with a connecting pipe through a threaded sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921203250.XU CN210484717U (en) | 2019-07-29 | 2019-07-29 | Dynamic balance regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921203250.XU CN210484717U (en) | 2019-07-29 | 2019-07-29 | Dynamic balance regulating valve |
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| CN210484717U true CN210484717U (en) | 2020-05-08 |
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|---|---|---|---|
| CN201921203250.XU Active CN210484717U (en) | 2019-07-29 | 2019-07-29 | Dynamic balance regulating valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594765A (en) * | 2020-05-21 | 2020-08-28 | 邓朝利 | High-pressure filling pipeline flow control device for coal mining |
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2019
- 2019-07-29 CN CN201921203250.XU patent/CN210484717U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594765A (en) * | 2020-05-21 | 2020-08-28 | 邓朝利 | High-pressure filling pipeline flow control device for coal mining |
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