CN215928548U - Double-flow electric control valve - Google Patents

Double-flow electric control valve Download PDF

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Publication number
CN215928548U
CN215928548U CN202122503839.5U CN202122503839U CN215928548U CN 215928548 U CN215928548 U CN 215928548U CN 202122503839 U CN202122503839 U CN 202122503839U CN 215928548 U CN215928548 U CN 215928548U
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China
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shell
valve core
upper shell
top surface
stepping motor
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CN202122503839.5U
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Chinese (zh)
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王颖林
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Zhengzhou Jinzhongyang Intelligent Control Technology Co ltd
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Zhengzhou Jinzhongyang Intelligent Control Technology Co ltd
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Abstract

The utility model relates to the technical field of flow valves, in particular to a double-flow electric control valve, which comprises an upper shell, wherein a shell cover is arranged on the top surface of the upper shell, the shell cover is installed on the top surface of the upper shell through bolts, a wire outlet is formed in the top surface of the shell cover, an electric valve core control main board, a stepping motor and a valve core are arranged inside the upper shell, the electric valve core control main board is arranged between the stepping motor and the inner wall of the top surface of the upper shell, the top end of the valve core is connected with the stepping motor, the electric valve core control main board is connected with an external lead outside the upper shell through the wire outlet, the stepping motor is connected with the electric valve core control main board through a lead, a lower shell is arranged below the bottom surface of the upper shell, and an elastic diaphragm is arranged between the upper shell and the lower shell; therefore, the double-flow electric control valve is produced, which solves the problems of complex structure, inaccurate flow control of fluid and slow response speed of the existing flow valve, saves the use and maintenance cost, and has wide market prospect.

Description

Double-flow electric control valve
Technical Field
The utility model relates to the technical field of flow valves, in particular to a double-flow electric control valve.
Background
The pilot-operated double-flow electromagnetic valve sold in the current market has three states of large flow, small flow and cut-off. The solenoid valve sold in the market adopts electromagnetic force to control the motion of a valve core, and the control mode has the serious defect that when the solenoid valve is not electrified, the valve core of the solenoid valve can be controlled to move from the outside of the solenoid valve through strong magnetic force, so that the valve is opened. The utility model adopts the motor to control the movement of the valve core, is not interfered by any strong magnetic force, fundamentally solves the defect that the electromagnetic valve is opened by the strong magnetic force when the electromagnetic valve is powered off, is a substitute product of the traditional electromagnetic valve and has wide market.
Therefore, the double-flow electric control valve which adopts the motor to control the movement of the valve core is produced, is not interfered by any strong magnetic force, fundamentally overcomes the defect that the electromagnetic valve can be opened by the strong magnetic force when the electromagnetic valve is powered off, replaces the traditional electromagnetic valve, and has wide market prospect.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the double-flow electric control valve which adopts the motor to control the movement of the valve core, is not interfered by any strong magnetic force, fundamentally overcomes the defect that the electromagnetic valve is opened by the strong magnetic force when the electromagnetic valve is powered off, replaces the traditional electromagnetic valve and is used for overcoming the defects in the prior art.
The technical scheme adopted by the utility model is as follows: double-flow electric control valve, including the upper housing, the top surface of upper housing on be provided with the shell lid, the shell lid passes through the bolt and installs on the top surface of upper housing, be provided with the outlet on the top surface of shell lid, the inside of upper housing is provided with motorised valve core control mainboard, step motor and case, motorised valve core control mainboard sets up between the top surface inner wall of step motor and upper housing, the top and the step motor of case are connected, motorised valve core control mainboard is connected with the outside wire of upper housing through the outlet, is connected through the wire between step motor and the motorised valve core control mainboard, the bottom surface below of upper housing be provided with down the casing, be provided with elastic diaphragm between upper housing and the lower casing.
The bottom of the upper shell is internally provided with a positive pressure auxiliary pipeline and a negative pressure auxiliary pipeline, the bottom of the valve core is connected with a diaphragm upper cavity, the diaphragm upper cavity is arranged in the middle of the inner wall of the bottom of the upper shell between the positive pressure auxiliary pipeline and the negative pressure auxiliary pipeline, and the diaphragm upper cavity is communicated with the positive pressure auxiliary pipeline and the negative pressure auxiliary pipeline.
The outside below of going up the casing be provided with elastic diaphragm, seted up the capillary on elastic diaphragm's the top surface, elastic diaphragm's bottom surface below is provided with down the casing, the both sides side of casing down is provided with malleation trunk line and negative pressure trunk line respectively, has seted up the connector on the top surface of casing down.
The bottom both sides of lower casing seted up the connecting hole, lower casing pass through the connecting hole and be connected with external equipment.
The upper shell, the elastic diaphragm and the lower shell are all connected up and down through bolts.
The utility model has the beneficial effects that: the utility model comprises an upper shell, a shell cover is arranged on the top surface of the upper shell, the shell cover is arranged on the top surface of the upper shell through bolts, a wire outlet is arranged on the top surface of the shell cover, an electric valve core control main board, a stepping motor and a valve core are arranged inside the upper shell, the electric valve core control main board is arranged between the stepping motor and the inner wall of the top surface of the upper shell, the top end of the valve core is connected with the stepping motor, the electric valve core control main board is connected with an external lead outside the upper shell through the wire outlet, the stepping motor is connected with the electric valve core control main board through a lead, a lower shell is arranged below the bottom surface of the upper shell, an elastic diaphragm is arranged between the upper shell and the lower shell, the movement of the valve core is controlled by adopting the stepping motor, the utility model is not interfered by any strong magnetic force, and the defect that the electromagnetic valve can be opened by strong magnetic force when the electromagnetic valve is cut off is fundamentally solved, the electromagnetic valve is a substitute product of the traditional electromagnetic valve and has wide market; secondly, the valve core and the electric valve core control main board are arranged, so that the control of the main board on the valve core can be effectively controlled through the electric valve core, the valve core controls the fluid flow through the upper cavity of the diaphragm, and the problem of inaccurate fluid flow control is solved; the flow valve has the advantages of simple structure, convenient operation and ingenious design, effectively solves the problem of complex structure of the existing flow valve, greatly improves the working efficiency, has good social and economic benefits, reduces the use and maintenance cost, and is a product easy to popularize and use.
Drawings
Fig. 1 is a schematic overall perspective view of the electric control valve of the present invention.
Fig. 2 is a schematic side perspective view of the electric control valve of the present invention with the upper housing removed.
Fig. 3 is a schematic perspective view of the other side of the electric control valve of the present invention with the upper housing removed.
Fig. 4 is a schematic structural diagram of a lower housing of the electric control valve of the present invention.
Fig. 5 is a schematic diagram of the overall front side structure of the electric control valve of the present invention.
Fig. 6 is a schematic diagram of the whole front side and the other side of the electric control valve of the utility model.
Fig. 7 is a schematic cross-sectional structure diagram of the upper housing of the electric control valve of the present invention.
Detailed Description
As shown in fig. 1, 2, 3, 4, 5, 6, and 7, the dual-flow electric control valve includes an upper housing 4, a housing cover 1 is disposed on a top surface of the upper housing 4, the housing cover 1 is mounted on the top surface of the upper housing 4 through a bolt, a wire outlet 11 is disposed on the top surface of the housing cover 1, an electric valve core control main board 3, a stepping motor 2, and a valve core 10 are disposed inside the upper housing 4, the electric valve core control main board 3 is disposed between the stepping motor 2 and an inner wall of the top surface of the upper housing 4, a top end of the valve core 10 is connected to the stepping motor 2, the electric valve core control main board 3 is connected to an external wire outside the upper housing 4 through the wire outlet 11, the electric valve core control main board 3 is provided with a cable and a backup power supply for connecting to an external control type through the cable, and is used for controlling a working state of the electric control valve; the standby power supply can enable the electric control valve to return to a closed state under the condition of sudden external power failure, the stepping motor 2 is connected with the electric valve core control main board 3 through a conducting wire, the stepping motor 2 realizes the control of forward and reverse rotation and the number of rotation turns of the stepping motor 2 according to different pulse signals received by the electric valve core control main board 3, so as to drive the valve core 10 to move up and down, a lower shell 5 is arranged below the bottom surface of the upper shell 4, an elastic membrane 6 is arranged between the upper shell 4 and the lower shell 5, and the elastic membrane is arranged between the lower shell and the upper shell and used for controlling the opening and closing of a large-flow valve; a positive pressure auxiliary pipeline 14 and a negative pressure auxiliary pipeline 15 are arranged inside the bottom end of the upper shell 4, the bottom end of the valve core 10 is connected with a diaphragm upper cavity 16, the diaphragm upper cavity 16 is arranged in the middle of the inner wall of the bottom end of the upper shell 4 between the positive pressure auxiliary pipeline 14 and the negative pressure auxiliary pipeline 15, and the diaphragm upper cavity 16 is communicated with the positive pressure auxiliary pipeline 14 and the negative pressure auxiliary pipeline 15; an elastic diaphragm 6 is arranged below the outer part of the upper shell 4, a capillary tube 12 is arranged on the top surface of the elastic diaphragm 6, a lower shell 5 is arranged below the bottom surface of the elastic diaphragm 6, a positive pressure main pipeline 8 and a negative pressure main pipeline 7 are respectively arranged on the side surfaces of the two sides of the lower shell 5, a connecting port 9 is arranged on the top surface of the lower shell 5, a valve core 10 moving up and down can enable a positive pressure auxiliary pipeline 14 and a negative pressure auxiliary pipeline 15 to be communicated with the positive pressure main pipeline 8 and the negative pressure main pipeline 7 on the lower shell 5, three working states (large flow, small flow and closing) of the electric control valve can be formed by the up-and-down movement of the valve core 10, the valve core 10 is arranged on a main shaft of the stepping motor 2, the up-and-down movement and the moving distance of the valve core 10 can be realized according to the positive rotation, the reverse rotation and the number of the rotation and the rotation of the stepping motor 2, thereby controlling the conduction of the positive pressure auxiliary pipeline 14 and the negative pressure auxiliary pipeline 15 in the upper shell 4, the function of small flow is realized; the conduction of the upper diaphragm cavity 16 and the negative pressure auxiliary pipeline 15 in the upper shell 4 is controlled, so that the elastic diaphragm 6 and the connecting port 9 are opened and closed, and the function of large flow is realized; the closing of the negative pressure auxiliary pipeline 15 in the upper shell 4 is controlled, so that the electric control valve is closed, the pressure of the diaphragm upper cavity 16 is consistent with the pressure of the positive pressure main pipeline 8 through the connection of the capillary 12 and the positive pressure main pipeline 8, the connection of the positive pressure main pipeline 8 and the negative pressure main pipeline 7 is closed through the elastic diaphragm 6, and the closing of large flow is realized; through the connection of the capillary tube 12 and the negative pressure auxiliary pipeline 15, the pressure of the diaphragm upper cavity 16 is equal to that of the negative pressure main pipeline 14, so that the elastic diaphragm 6 opens the connection of the positive pressure main pipeline 8 and the negative pressure main pipeline 7, and the opening of large flow is realized.
Connecting holes 13 are formed in two sides of the bottom end of the lower shell 5, and the lower shell 5 is connected with external equipment through the connecting holes 13.
The upper shell 4, the elastic diaphragm 6 and the lower shell 5 are connected up and down through bolts.
The use method of the product is as follows: as shown in fig. 1, 2, 3, 4, 5, 6, 7, first, the closed state: in a closed state, a closing signal is input from the outside, the electric valve core control main board 3 controls the stepping motor 2 to rotate forward, so that the valve core 10 cuts off the connection between the positive pressure auxiliary pipeline 14 and the negative pressure auxiliary pipeline 15 in the upper shell 4, the positive pressure main pipeline 8 cannot be connected with the positive pressure auxiliary pipeline 14, and the negative pressure auxiliary pipeline 15 cannot be connected with the negative pressure main pipeline 7; and simultaneously cuts off the connection between the diaphragm upper cavity 16 and the negative pressure auxiliary pipeline 15. The medium rushes into the positive pressure main pipeline 8, passes through the capillary 12 and rushes into the diaphragm upper cavity 16, so that the pressure of the diaphragm upper cavity 16 is increased, the elastic diaphragm 6 is pressed on the connecting port 9, and the positive pressure main pipeline 8 is isolated from the negative pressure main pipeline 7; and (3) large flow state: in a large-flow state, a large-flow signal is input from the outside, the electric valve core control main board 3 controls the stepping motor 2 to rotate reversely to drive the valve core 10 to move upwards, so that the positive pressure auxiliary pipeline 14 is connected with the negative pressure auxiliary pipeline 15, and a medium flows to the negative pressure auxiliary pipeline 15 through the positive pressure auxiliary pipeline 14 and then flows into the negative pressure main pipeline 7; meanwhile, the diaphragm upper cavity 16 and the negative pressure auxiliary pipeline 15 are also connected at the same time, the pressure of the diaphragm upper cavity 16 is reduced, and the medium in the positive pressure main pipeline 8 pushes away the elastic diaphragm 6 and flows into the negative pressure main pipeline 7 through the connecting port 9; low flow state: in a low-flow state, a low-flow signal is input from the outside, the electric valve core control main board 3 controls the stepping motor 2 to rotate forward to drive the valve core 10 to move downward, so that the positive pressure auxiliary pipeline 14 is connected with the negative pressure auxiliary pipeline 15, and a medium flows to the negative pressure auxiliary pipeline 15 through the positive pressure auxiliary pipeline 14 and then flows into the negative pressure main pipeline 7; meanwhile, the connection between the diaphragm upper cavity 16 and the negative pressure auxiliary pipeline 15 is cut off, the medium in the positive pressure main pipeline 8 flows into the diaphragm upper cavity 16 through the capillary 12, the pressure of the diaphragm upper cavity 16 is increased, the elastic diaphragm 6 is pressed on the connecting port 9, and the connection between the positive pressure main pipeline 8 and the negative pressure main pipeline 7 is cut off.
The utility model adopts the motor to control the movement of the valve core, is not interfered by any strong magnetic force, fundamentally overcomes the defect that the electromagnetic valve is opened by the strong magnetic force when the electromagnetic valve is powered off, replaces the double-flow electric control valve of the traditional electromagnetic valve and has wide market prospect.

Claims (5)

1. Two flow automatically controlled valves, including last casing (4), its characterized in that: the top surface of the upper shell (4) is provided with an outer shell cover (1), the outer shell cover (1) is installed on the top surface of the upper shell (4) through bolts, the top surface of the outer shell cover (1) is provided with a wire outlet (11), the interior of the upper shell (4) is provided with an electric valve core control main board (3), a stepping motor (2) and a valve core (10), the electric valve core control main board (3) is arranged between the stepping motor (2) and the inner wall of the top surface of the upper shell (4), the top end of the valve core (10) is connected with the stepping motor (2), the electric valve core control main board (3) is connected with an external lead outside the upper shell (4) through the wire outlet (11), and the stepping motor (2) is connected with the electric valve core control main board (3) through a lead, a lower shell (5) is arranged below the bottom surface of the upper shell (4), and an elastic diaphragm (6) is arranged between the upper shell (4) and the lower shell (5).
2. The dual flow electronically controlled valve of claim 1, wherein: the negative pressure valve is characterized in that a positive pressure auxiliary pipeline (14) and a negative pressure auxiliary pipeline (15) are arranged inside the bottom end of the upper shell (4), the bottom end of the valve core (10) is connected with a diaphragm upper cavity (16), the diaphragm upper cavity (16) is arranged in the middle of the inner wall of the bottom end of the upper shell (4) between the positive pressure auxiliary pipeline (14) and the negative pressure auxiliary pipeline (15), and the diaphragm upper cavity (16) is communicated with the positive pressure auxiliary pipeline (14) and the negative pressure auxiliary pipeline (15).
3. The dual flow electronically controlled valve of claim 1, wherein: the outer lower part of the upper shell (4) is provided with an elastic diaphragm (6), the top surface of the elastic diaphragm (6) is provided with a capillary tube (12), the side surfaces of the two sides of the lower shell (5) are respectively provided with a positive pressure main pipeline (8) and a negative pressure main pipeline (7), and the top surface of the lower shell (5) is provided with a connecting port (9).
4. The dual flow electronically controlled valve of claim 3, wherein: connecting holes (13) are formed in two sides of the bottom end of the lower shell (5), and the lower shell (5) is connected with external equipment through the connecting holes (13).
5. The dual flow electronically controlled valve of claim 3, wherein: the upper shell (4), the elastic diaphragm (6) and the lower shell (5) are connected up and down through bolts.
CN202122503839.5U 2021-10-18 2021-10-18 Double-flow electric control valve Active CN215928548U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122503839.5U CN215928548U (en) 2021-10-18 2021-10-18 Double-flow electric control valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122503839.5U CN215928548U (en) 2021-10-18 2021-10-18 Double-flow electric control valve

Publications (1)

Publication Number Publication Date
CN215928548U true CN215928548U (en) 2022-03-01

Family

ID=80405148

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122503839.5U Active CN215928548U (en) 2021-10-18 2021-10-18 Double-flow electric control valve

Country Status (1)

Country Link
CN (1) CN215928548U (en)

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