CN213629082U - Electric control type vacuum pressure regulating valve - Google Patents
Electric control type vacuum pressure regulating valve Download PDFInfo
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- CN213629082U CN213629082U CN202022066103.1U CN202022066103U CN213629082U CN 213629082 U CN213629082 U CN 213629082U CN 202022066103 U CN202022066103 U CN 202022066103U CN 213629082 U CN213629082 U CN 213629082U
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- pressure regulating
- valve
- valve body
- motor
- diaphragm assembly
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Abstract
The utility model provides an automatically controlled formula vacuum air-vent valve, including the valve body, be provided with the pressure regulating axle on the valve body, still be provided with on the valve body and link to each other with the pressure regulating axle and be used for driving the rotatory motor of pressure regulating axle. The utility model discloses utilize the motor to drive the pressure regulating axle and rotate, through cooperating with PLC control system to can realize automatically regulated's purpose.
Description
Technical Field
The utility model relates to a vacuum air-vent valve technical field, in particular to automatically controlled formula vacuum air-vent valve.
Background
At present, the vacuum pressure regulating valve is widely applied to the fields of steel, electric power, metallurgy, shipbuilding, aviation, papermaking, chemical engineering, machine tools, engineering machinery, construction machinery and the like. The vacuum pressure regulating valve is a valve which adopts the opening degree of an opening and closing part (valve core) in a control valve body to regulate the flow rate of a medium (air), reduces the pressure of the medium (air), simultaneously regulates the opening degree of the opening and closing part by the action of the pressure behind the valve, keeps the pressure behind the valve in a range, and keeps the outlet pressure fluctuating in a smaller range under the condition that the inlet pressure is continuously changed.
The existing vacuum pressure regulating valve generally comprises a valve body, wherein an A channel and a P channel are arranged on the valve body, a valve port is arranged between the A channel and the P channel, a diaphragm assembly and a valve core corresponding to the valve port are arranged in the valve body, one side of the diaphragm assembly is provided with a vacuum chamber, the other side of the diaphragm assembly is provided with a pressure chamber, the diaphragm assembly is connected with the valve core through a valve rod, a pressure regulating shaft is further rotatably connected onto the valve body, a pressure regulating block is connected in the vacuum chamber in a sliding mode, the pressure regulating block is in threaded connection with the pressure regulating shaft, a pressure regulating spring is arranged between the. When the pressure regulating valve is used, the P channel is connected with the vacuum pump, the A channel is connected with the pressure reducing chamber, the pressure regulating shaft is driven to rotate through the manual rotary knob, so that the pressure regulating block is driven to move, the pressure of the pressure regulating spring on the diaphragm assembly is regulated, the moving distance of the diaphragm assembly is controlled, the opening and closing degree between the valve core and the valve port is controlled, the flow of a medium is controlled, and the pressure on one side of the A channel is controlled.
The traditional vacuum pressure regulating valve is regulated by manually rotating a knob, and the regulation mode is relatively original and cannot realize automatic regulation.
Disclosure of Invention
The utility model aims at solving traditional vacuum air-vent valve and adjusting by adopting the mode of manual rotatory knob, the regulative mode is comparatively original, can't realize automatically regulated's problem, provides an automatically controlled formula vacuum air-vent valve, can effectively solve above-mentioned problem.
The utility model aims at realizing through the following technical scheme: an electric control type vacuum pressure regulating valve comprises a valve body, wherein a pressure regulating shaft is arranged on the valve body, and a motor which is connected with the pressure regulating shaft and used for driving the pressure regulating shaft to rotate is further arranged on the valve body.
The utility model discloses in, the motor links to each other with PLC control system, and through the rotatory certain angle of PLC control system control motor, the motor drives the rotatory certain angle of pressure regulating axle to the realization is to the regulation of vacuum pressure regulating valve. The utility model discloses in, the motor links to each other with PLC control system, through the operation of PLC control system control motor to can realize automatically regulated's purpose.
Preferably, a P channel and an A channel are arranged on the valve body, a valve port is arranged between the P channel and the A channel, a valve core matched with the valve port is arranged in the valve body, and a spring is arranged between the valve core and the valve body; a diaphragm assembly is arranged in the valve body, a vacuum chamber is arranged on one side of the diaphragm assembly, and an air pressure chamber is arranged on the other side of the diaphragm assembly; the pressure regulating shaft is rotationally connected to the valve body, the pressure regulating block is connected in the vacuum chamber in a sliding mode, external threads are arranged on the pressure regulating shaft, a threaded hole is formed in the pressure regulating block, the pressure regulating block is connected to the pressure regulating shaft in a threaded mode, and a pressure regulating spring is arranged between the pressure regulating block and the diaphragm assembly; the diaphragm assembly is connected with the valve core through a valve rod. When the pressure regulating valve is used, the P channel is connected with the vacuum pump, the A channel is connected with the pressure reducing chamber, and the motor drives the pressure regulating shaft to rotate, so that the pressure regulating block is driven to move, the pressure of the pressure regulating spring on the diaphragm assembly is regulated, the moving distance of the diaphragm assembly is controlled, the opening and closing degree between the valve core and the valve port is further controlled, the flow of a medium is controlled, and the pressure on one side of the A channel is controlled.
Preferably, the diaphragm assembly comprises a follow-up block, and a diaphragm is arranged between the periphery of the follow-up block and the inner wall of the valve body.
Preferably, the motor is a servo motor. The servo motor has high rotation precision and can improve the adjustment precision. The type of the motor can also be selected from a stepping motor or other types of motors according to actual needs.
Preferably, the motor is connected with the pressure regulating shaft through a coupling. The output shaft of the motor is connected with the pressure regulating shaft through the coupler, and the effect of transmitting torque is achieved.
Preferably, the valve body is provided with a mounting bracket, and the mounting bracket is provided with a mounting hole. The vacuum pressure regulating valve is convenient to mount on corresponding equipment by arranging the mounting bracket on the valve body.
Preferably, the vacuum chamber and the pressure regulating block are hexagonal in cross section.
The utility model has the advantages that: the utility model discloses utilize the motor to drive the pressure regulating axle and rotate, through cooperating with PLC control system to can realize automatically regulated's purpose.
Drawings
Fig. 1 is a sectional view of the present invention.
In the figure: 1. the valve comprises a valve body, 2, a motor, 3, a connecting device, 4, a regulating shaft, 5, a pressure regulating block, 6, a vacuum cavity, 7, a pressure regulating spring, 8, a follow-up block, 9, a diaphragm, 10, a valve rod, 11, a valve core, 12, a spring, 13, an A channel, 14, a P channel, 15, an air pressure chamber, 16, an installation support, 17 and an installation hole.
Detailed Description
The invention will be further described with reference to the following detailed description and accompanying drawings.
Example 1:
as shown in fig. 1, an electrically controlled vacuum pressure regulating valve includes a valve body 1, a P channel 14 and an a channel 13 are disposed on the valve body 1, a valve port is disposed between the P channel 14 and the a channel 13, a valve core 11 matched with the valve port is disposed in the valve body 1, and a spring 12 is disposed between the valve core 11 and the valve body 1. A diaphragm component is arranged in the valve body 1, a vacuum chamber 6 is arranged on one side of the diaphragm component, and an air pressure chamber 15 is arranged on the other side of the diaphragm component. The pressure regulating shaft 4 is rotatably connected on the valve body 1, the pressure regulating block 5 is connected in the vacuum chamber 6 in a sliding manner, and the cross sections of the vacuum chamber 6 and the pressure regulating block 5 are both hexagonal. The pressure regulating shaft 4 is provided with external threads, the pressure regulating block 5 is provided with a threaded hole, and the pressure regulating block 5 is in threaded connection with the pressure regulating shaft 4. A pressure regulating spring 7 is arranged between the pressure regulating block 5 and the diaphragm component. The diaphragm assembly comprises a follow-up block 8, and a diaphragm 9 is arranged between the periphery of the follow-up block 8 and the inner wall of the valve body 1. The follow-up block 8 is connected with the valve core 11 through a valve rod 10.
The valve body 1 is provided with a motor 2 connected with a pressure regulating shaft 4. The motor 2 is used for driving the pressure regulating shaft 4 to rotate. In this embodiment, the motor 2 is a servo motor. The type of the motor can also be selected from a stepping motor or other types of motors according to actual needs. The motor 2 is connected with the pressure regulating shaft 4 through a coupler 3. The valve body 1 is provided with a mounting bracket 16, and the mounting bracket 16 is provided with a mounting hole 17.
The utility model discloses in, when using, the vacuum pump is connected to P passageway, and the decompression cavity is connected to A passageway. The motor links to each other with PLC control system, and through the rotatory certain angle of PLC control system control motor, the motor drives the rotation of pressure regulating axle to drive the pressure regulating piece and remove, thereby adjust the pressure of pressure regulating spring to diaphragm assembly, control diaphragm assembly's displacement, and then the degree of opening and shutting between control case and the valve port, the flow of control medium, thereby the pressure size of control A passageway one side. The utility model discloses utilize the motor to drive the pressure regulating axle and rotate, through cooperating with PLC control system to can realize automatically regulated's purpose.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.
Claims (6)
1. The utility model provides an automatically controlled formula vacuum pressure-regulating valve, includes the valve body, is provided with pressure regulating shaft on the valve body, its characterized in that: the valve body is also provided with a motor which is connected with the pressure regulating shaft and is used for driving the pressure regulating shaft to rotate; the valve body is provided with a P channel and an A channel, a valve port is arranged between the P channel and the A channel, a valve core matched with the valve port is arranged in the valve body, and a spring is arranged between the valve core and the valve body; a diaphragm assembly is arranged in the valve body, a vacuum chamber is arranged on one side of the diaphragm assembly, and an air pressure chamber is arranged on the other side of the diaphragm assembly; the pressure regulating shaft is rotationally connected to the valve body, the pressure regulating block is connected in the vacuum chamber in a sliding mode, external threads are arranged on the pressure regulating shaft, a threaded hole is formed in the pressure regulating block, the pressure regulating block is connected to the pressure regulating shaft in a threaded mode, and a pressure regulating spring is arranged between the pressure regulating block and the diaphragm assembly; the diaphragm assembly is connected with the valve core through a valve rod.
2. The electronically controlled vacuum pressure regulating valve according to claim 1, wherein said diaphragm assembly comprises a follower block, and a diaphragm is disposed between the periphery of said follower block and the inner wall of said valve body.
3. An electrically controlled vacuum pressure regulating valve according to claim 1, wherein said motor is a servo motor.
4. An electrically controlled vacuum pressure regulating valve according to claim 1, wherein said motor is coupled to said pressure regulating shaft by a coupling.
5. An electrically controlled vacuum pressure regulating valve according to claim 1, wherein said valve body is provided with a mounting bracket, said mounting bracket being provided with a mounting hole.
6. An electrically controlled vacuum pressure regulating valve according to claim 1, wherein the cross-sections of the vacuum chamber and the pressure regulating block are hexagonal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022066103.1U CN213629082U (en) | 2020-09-18 | 2020-09-18 | Electric control type vacuum pressure regulating valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022066103.1U CN213629082U (en) | 2020-09-18 | 2020-09-18 | Electric control type vacuum pressure regulating valve |
Publications (1)
Publication Number | Publication Date |
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CN213629082U true CN213629082U (en) | 2021-07-06 |
Family
ID=76652174
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202022066103.1U Active CN213629082U (en) | 2020-09-18 | 2020-09-18 | Electric control type vacuum pressure regulating valve |
Country Status (1)
Country | Link |
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CN (1) | CN213629082U (en) |
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2020
- 2020-09-18 CN CN202022066103.1U patent/CN213629082U/en active Active
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