CN210600393U - Self-operated regulating valve - Google Patents
Self-operated regulating valve Download PDFInfo
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- CN210600393U CN210600393U CN201921606703.3U CN201921606703U CN210600393U CN 210600393 U CN210600393 U CN 210600393U CN 201921606703 U CN201921606703 U CN 201921606703U CN 210600393 U CN210600393 U CN 210600393U
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- valve
- regulating valve
- connecting rod
- sealing ring
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Abstract
The utility model discloses a self-operated regulating valve, including the governing valve, the inside of governing valve is provided with medium channel, the governing valve gap is installed to the upper end of governing valve, the internally mounted of governing valve gap has the connecting rod, the case is installed to the one end of connecting rod, the outside of case is provided with the throttle window, the sealing washer is installed in the outside of connecting rod, the centre of sealing washer and connecting rod is provided with the abrasionproof pad, the sealing washer rack is installed in the outside of sealing washer, the support is installed in the outside of sealing washer rack, the internally mounted of governing valve gap has the crank, the connecting pin is installed to articulate one end, power actuating mechanism is installed to the top of. The utility model discloses an install stabiliser, PLC terminal and pressure transmitter and can realize the accurate regulation, adjust the precision height, greatly reduced the kind of valve, make things convenient for customer lectotype and maintenance.
Description
Technical Field
The utility model relates to a self-operated governing valve technical field specifically is a self-operated governing valve.
Background
With the rapid development of social economy, the self-operated regulating valve is a valve which is widely applied to industries such as chemical industry, energy, metallurgy and the like and regulates the pressure, temperature, differential pressure and the like of media such as liquid, gas and the like in a pipeline, the product is different from the conventional regulating valve, the conventional regulating valve needs to provide a pneumatic or electric power source to drive an actuating mechanism of the valve to act, and the self-operated regulating valve can rely on the controlled media in the pipeline as the power source to realize the regulating function.
However, the existing self-operated regulating valve has too many varieties and complex structure, is inconvenient for customers to select and maintain, has low product regulating precision and can not accurately control the product leakage; therefore, the existing requirements are not met, and a self-operated regulating valve is provided for the requirement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a self-operated governing valve to the current self-operated governing valve variety class that proposes among the solution above-mentioned background art is too many, and the structure is too complicated, and the customer of being not convenient for chooses for use and maintains, and the product regulation precision is low, and the unable accurate control scheduling problem of product leakage quantity.
In order to achieve the above object, the utility model provides a following technical scheme: a self-operated regulating valve comprises a regulating valve, wherein a medium channel is arranged in the regulating valve, a regulating valve cover is installed at the upper end of the regulating valve, a connecting rod is installed in the regulating valve cover, a valve core is installed at one end of the connecting rod, a throttling window is arranged on the outer side of the valve core, a sealing ring is installed on the outer side of the connecting rod, an anti-abrasion pad is arranged between the sealing ring and the connecting rod, a sealing ring placing frame is installed on the outer side of the sealing ring, a support is installed on the outer side of the sealing ring placing frame, a crank is installed in the regulating valve cover, a connecting pin is installed at one end of the crank, a power executing mechanism is installed above the regulating valve cover, a pressure stabilizing valve is installed on one side of the power executing mechanism, a positioner is, and a pressure transmitter is arranged below the PLC terminal.
Preferably, one end of the support is completely attached to the interior of the regulating valve, and the support and the regulating valve are fixed through welding.
Preferably, the outer side of the sealing ring is completely attached to the inner side of the sealing ring placing frame, and the sealing ring is fixed to the sealing ring placing frame through an adhesive.
Preferably, the screws are installed at the two ends of the regulating valve cover, and the regulating valve cover is connected with the regulating valve through the screws.
Preferably, a flow plate is installed inside the power actuator, and a dial gauge is arranged on the surface of the flow plate.
Preferably, one end of the valve core is completely attached to one end of the connecting rod, and the valve core and the connecting rod are fixed through welding.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model adopts the high-precision regulating valve with equal percentage or linear characteristic to replace the conventional self-operated quick-opening characteristic valve core to realize accurate regulation, and adopts the detection and control mode of a pressure stabilizing valve, a positioner, a PLC terminal and a transmitter to replace the detection and control mode of the traditional self-operated regulating valve adopting a pressure leading pipe and a pneumatic film actuating mechanism to realize digital control so as to improve the detection precision and the regulation precision;
2. the utility model discloses a according to the difference of regulation object, like liquid, steam, pressure, temperature, flow etc. only need change pressure transmitter, very big reduction the kind of valve, make things convenient for the customer to carry out quick lectotype according to in-service use, the convenience is maintained the device, reduces use cost.
Drawings
Fig. 1 is a schematic overall structure diagram of the present invention;
FIG. 2 is a cross-sectional view of the entire invention;
fig. 3 is a partial structure sectional view of the regulating valve of the present invention.
In the figure: 1. adjusting a valve; 2. a pressure maintaining valve; 3. a pressure transmitter; 4. a PLC terminal; 5. a positioner; 6. a flow plate; 7. a connecting pin; 8. a connecting rod; 9. a valve core; 10. a media channel; 11. adjusting the valve cover of the valve; 12. a power actuator; 13. a throttling window; 14. an anti-wear pad; 15. a screw; 16. a crank; 17. a support; 18. a sealing ring placing frame; 19. and (5) sealing rings.
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.
Referring to fig. 1 to fig. 3, the present invention provides an embodiment: a self-operated regulating valve comprises a regulating valve 1, a medium channel 10 is arranged in the regulating valve 1, a regulating valve cover 11 is arranged at the upper end of the regulating valve 1, a connecting rod 8 is arranged in the regulating valve cover 11, a valve core 9 is arranged at one end of the connecting rod 8, a throttling window 13 is arranged on the outer side of the valve core 9 and can control the liquid flow of a device, a sealing ring 19 is arranged on the outer side of the connecting rod 8 and can prevent the liquid from leaking out to ensure the use safety of the device, an anti-abrasion pad 14 is arranged between the sealing ring 19 and the connecting rod 8, a sealing ring placing frame 18 is arranged on the outer side of the sealing ring 19, a bracket 17 is arranged on the outer side of the sealing ring placing frame 18, a crank 16 is arranged in the regulating valve cover 11, a connecting pin 7 is arranged at one end of, the other side of the power executing mechanism 12 is provided with a positioner 5, the other side of the positioner 5 is provided with a PLC terminal 4 to realize accurate control, and a pressure transmitter 3 is arranged below the PLC terminal 4.
Further, the one end of support 17 and the inside of governing valve 1 laminate completely, and support 17 and governing valve 1 pass through welded fastening, and the welding has strengthened the connectivity and the stability of support 17 and governing valve 1 for support 17 has certain support strength.
Further, the outer side of the sealing ring 19 is completely attached to the inner side of the sealing ring placing frame 18, the sealing ring 19 and the sealing ring placing frame 18 are fixed through an adhesive, the adhesive is convenient to use, and the connection performance strength is high.
Further, the screws 15 are installed at the two ends of the regulating valve cover 11, the regulating valve cover 11 is connected with the regulating valve 1 through the screws 15, the screws 15 facilitate installation and disassembly between parts, and the regulating valve is simple in structure and convenient to use.
Furthermore, the flow plate 6 is arranged in the power executing mechanism 12, a dial gauge is arranged on the surface of the flow plate 6, and a worker can visually know the working state of the device through the indication number of the flow plate 6.
Furthermore, one end of the valve core 9 is completely attached to one end of the connecting rod 8, the valve core 9 is fixed to the connecting rod 8 through welding, the connecting performance and the stability of the valve core 9 and the connecting rod 8 are enhanced through welding, and the mechanical strength is good.
The working principle is as follows: when in use, the power supply of the device is switched on, a 12mm pipeline is arranged at the inlet of the regulating valve 1, a gas medium at the inlet of the regulating valve 1 is introduced into a pressure stabilizing valve 2 positioned above the regulating valve 1, the pressure at the outlet of the pressure stabilizing valve 2 is regulated to 0.4MP through the pressure stabilizing valve 2, then the medium is introduced into a positioner 5, the medium passing through the positioner 5 enters a power execution mechanism 12 of the device and then enters a pressure transmitter 3 at the outlet of the regulating valve 1 (when the temperature is regulated, the pressure transmitter 3 is used as a bit temperature transmitter, when the flow is regulated, the pressure transmitter 3 is used as a bit flow transmitter), then the pressure transmitter 3 measures the measured parameters (pressure, temperature or flow and the like) after the valve of the regulating valve 1, the test result is fed back to the PLC terminal 4, then the closed-loop control is formed among the positioner 5, the pressure transmitter 3 and the PLC terminal 4 through the internal calculation of the PLC terminal 4, thereby achieving precise control of the regulator valve 1.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A self-operated regulating valve comprises a regulating valve (1), and is characterized in that: the inner part of the adjusting valve (1) is provided with a medium channel (10), the upper end of the adjusting valve (1) is provided with an adjusting valve cover (11), the inner part of the adjusting valve cover (11) is provided with a connecting rod (8), one end of the connecting rod (8) is provided with a valve core (9), the outer side of the valve core (9) is provided with a throttling window (13), the outer side of the connecting rod (8) is provided with a sealing ring (19), the middle of the sealing ring (19) and the connecting rod (8) is provided with an anti-abrasion pad (14), the outer side of the sealing ring (19) is provided with a sealing ring placing frame (18), the outer side of the sealing ring placing frame (18) is provided with a support (17), the inner part of the adjusting valve cover (11) is provided with a crank (16), one end of the crank (16) is provided with a, pressure stabilizing valve (2) are installed to one side of power actuating mechanism (12), locator (5) are installed to the opposite side of power actuating mechanism (12), PLC terminal (4) are installed to the opposite side of locator (5), pressure transmitter (3) are installed to the below of PLC terminal (4).
2. A self-operated regulator valve according to claim 1, wherein: one end of the support (17) is completely attached to the inside of the regulating valve (1), and the support (17) is fixed with the regulating valve (1) through welding.
3. A self-operated regulator valve according to claim 1, wherein: the outer side of the sealing ring (19) is completely attached to the inner side of the sealing ring placing frame (18), and the sealing ring (19) is fixed with the sealing ring placing frame (18) through an adhesive.
4. A self-operated regulator valve according to claim 1, wherein: screws (15) are installed at two ends of the regulating valve cover (11), and the regulating valve cover (11) is connected with the regulating valve (1) through the screws (15).
5. A self-operated regulator valve according to claim 1, wherein: the power actuator (12) is internally provided with a flow plate (6), and the surface of the flow plate (6) is provided with a dial gauge.
6. A self-operated regulator valve according to claim 1, wherein: one end of the valve core (9) is completely attached to one end of the connecting rod (8), and the valve core (9) and the connecting rod (8) are fixed through welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921606703.3U CN210600393U (en) | 2019-09-25 | 2019-09-25 | Self-operated regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921606703.3U CN210600393U (en) | 2019-09-25 | 2019-09-25 | Self-operated regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210600393U true CN210600393U (en) | 2020-05-22 |
Family
ID=70691773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921606703.3U Active CN210600393U (en) | 2019-09-25 | 2019-09-25 | Self-operated regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210600393U (en) |
-
2019
- 2019-09-25 CN CN201921606703.3U patent/CN210600393U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221103 Address after: Room 399, No. 88, Xingda Road, Dachang Street, Jiangbei New District, Nanjing City, Jiangsu Province, 210044 Patentee after: Nanjing Deweier Fluid Equipment Co.,Ltd. Address before: No. 32, Bofu Road, Zhongshan Science and Technology Park, Jiangbei New District, Nanjing City, Jiangsu Province, 210048 Patentee before: Nanjing Saiman fluid equipment Co.,Ltd. |