CN210088138U - Corrugated pipe automatic control regulating valve - Google Patents
Corrugated pipe automatic control regulating valve Download PDFInfo
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- CN210088138U CN210088138U CN201920373991.6U CN201920373991U CN210088138U CN 210088138 U CN210088138 U CN 210088138U CN 201920373991 U CN201920373991 U CN 201920373991U CN 210088138 U CN210088138 U CN 210088138U
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- automatic control
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- corrugated pipe
- actuating mechanism
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Abstract
The utility model provides a bellows automatic control governing valve, including the valve body, valve rod, disk seat, case, valve gap that constitute the basic subassembly of valve, and airtight the seal receptacle of case, connecting rod and the pneumatic film actuating mechanism of being connected with the valve body, be equipped with the inner tube in the connecting rod, the centre bore of inner tube still overlaps and is equipped with the bellows, the upper end of bellows is sealed has the valve gap, the valve rod runs through seal receptacle, the centre bore and the valve gap of bellows, and the filler has been inlayed in the centre bore of valve gap, the upper end of valve rod is connected with the pneumatic film actuating mechanism cooperation, change the thrust to the push rod with the help of its elastic diaphragm with input atmospheric pressure, make the case produce corresponding displacement through the push rod, change the aperture of valve, the governing valve design has the bellows, guaranteed that the valve leakage volume is little when the valve body closes, the effort to, the allowable pressure difference is large; the valve does not need an energy-saving automatic control system with additional balance energy, and has simple structure and small maintenance workload.
Description
Technical Field
The utility model relates to a pipeline automatic control valve technical field especially indicates a bellows automatic control governing valve.
Background
The automatic control regulating valve does not need additional energy, automatically regulates by means of the pressure change of a regulated medium, automatically eliminates the residual pressure head of a pipe network and the flow change caused by pressure fluctuation, keeps the pressure difference of an inlet and an outlet of a user constant, enables the pressure in front and at the back of the valve to be stable, has the advantages of sensitive action, good sealing performance, small pressure set point wave power and the like, automatically controls the pressure reduction and stabilization or the pressure relief and stabilization of the medium such as steam, liquid, gas agent, fuel gas and the like, and is widely applied to the civil industry and the industrial fields such as petroleum, chemical industry, metallurgy, light.
Disclosure of Invention
The utility model relates to a purpose is: in view of the problems of various types, complex structure and high equipment cost of the existing automatic control regulating valve, the automatic control regulating valve of the corrugated pipe is designed, the corrugated pipe is additionally designed, the valve leakage amount is small when the valve body is closed, the acting force on the valve core is greatly reduced, the regulating valve is sensitive in response, high in control precision, large in allowable pressure difference, simple in structure, small in maintenance workload and low in equipment cost.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a corrugated pipe automatic control regulating valve comprises a valve body, a valve rod, a valve seat, a valve core, a valve cover, a sealing seat, a connecting rod and a pneumatic film actuating mechanism, wherein the valve body, the valve rod, the valve seat, the valve core and the valve cover form a basic valve assembly, the sealing seat is used for sealing the valve core, the connecting rod is in sealing connection with the valve body through a bolt, an inner pipe is arranged in the connecting rod, a corrugated pipe is further sleeved in a center hole of the inner pipe, the valve cover is sealed at the upper end of the corrugated pipe, the valve rod penetrates through the sealing seat, the center hole of the corrugated pipe and the valve cover, a filler is embedded in the center hole of the valve cover, the upper end of the valve rod is in matched connection with the pneumatic film actuating mechanism, air pressure input by an.
Furthermore, the filler comprises an upper layer, a middle layer and a lower layer, and is pressed by a filler pressing plate and a filler pressing cover and is in closed connection through the matching of bolts and nuts.
Furthermore, a metal winding gasket is arranged at the joint of the connecting rod and the upper end of the valve body, so that the sealing performance is ensured.
Furthermore, the outer side wall of the connecting rod is connected with a pressure gauge in a through mode, and the pressure gauge displays and is favorable for detecting the medium pressure in the valve body.
Further, a support is arranged at the bottom of the pneumatic membrane executing mechanism, a circular hole is formed in the bottom of the support, the support is locked through a round nut and threads arranged on the periphery of the valve cover in a matched mode, and the pneumatic membrane executing mechanism is fixed.
Implement the utility model discloses a bellows automatic control governing valve has following beneficial effect:
1. the bellows automatic control regulating valve is provided with the inner core of the bellows, so that the valve leakage amount is small when the valve body is closed, the acting force on the valve core is greatly reduced, the regulating valve is sensitive in response, high in control precision and large in allowable pressure difference;
2. the pneumatic membrane actuating mechanism converts air pressure input by the air compressor into thrust to the push rod by virtue of the elastic membrane of the pneumatic membrane actuating mechanism, and the valve core generates corresponding displacement to change the opening of the valve so as to realize automatic control regulation;
3. the valve does not need an energy-saving automatic control system with additional balance energy, has low equipment cost, is suitable for various sudden change flow environments, and has simple structure and small maintenance workload.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.
FIG. 1 is a front view of the self-control regulating valve of the bellows according to the present embodiment;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
the pneumatic diaphragm valve comprises a pneumatic diaphragm actuator 1, a double-end stud 2, an outer hexagon nut 3, a packing press plate 4, a packing press cover 5, a round nut 6, an upper layer packing 7, a middle layer packing 8, a lower layer packing 9, a valve cover 10, a corrugated pipe 11, an inner pipe 12, a double-end stud 13, a nut 14, a metal winding gasket 15, a connecting rod 16, a sealing seat 17, a valve core 18, a valve seat 19, a valve body 20, a valve rod 21, a pressure gauge 22 and a support 23.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1 and 2, the present invention provides a bellows self-control regulating valve, which comprises a valve body 20, a valve rod 21, a valve seat 19, a valve core 18, a valve cover 10, a sealing seat 17 for sealing the valve core, a connecting rod 16 connected with the valve body by a bolt in a sealing manner, and a pneumatic membrane actuator 1.
Specifically, an inner tube 12 is arranged in the connecting rod 16, a corrugated tube 11 is further sleeved in a central hole of the inner tube 12, the valve cover 10 is sealed at the upper end of the corrugated tube 11, the valve rod 21 penetrates through the sealing seat 17, the central hole of the corrugated tube 11 and the valve cover 10, a filler is embedded in the central hole of the valve cover 10, the upper end of the valve rod 21 is connected with the pneumatic thin film actuating mechanism 1 in a matched mode, air pressure input by an air compressor is converted into thrust to a push rod through an elastic membrane of the valve rod, the valve core 18 generates corresponding displacement through the push rod, the opening degree of the valve is changed, and automatic control adjustment is achieved.
In a further embodiment, the filler comprises an upper layer of filler 7, a middle layer of filler 8 and a lower layer of filler 9, the filler is pressed by a filler pressing plate 4 and a filler pressing cover 5, and the filler is matched and hermetically connected with a nut 3 through a stud bolt 2.
In a further embodiment, a metal winding gasket 15 is arranged at the joint of the connecting rod 16 and the upper end of the valve body 20, so that the sealing performance is ensured.
In a further embodiment, a pressure gauge 22 is connected to the outer side wall of the connecting rod 16 in a penetrating manner, and displays and facilitates detection of medium pressure in the valve body.
The further embodiment is that a support 23 is arranged at the bottom of the pneumatic membrane actuating mechanism 1, a circular hole is formed in the bottom of the support 23, and the support is locked through a round nut and threads arranged on the periphery of the valve cover in a matched mode, so that the pneumatic membrane actuating mechanism is fixed.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes, modifications, substitutions and alterations can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims (5)
1. The utility model provides a bellows automatic control governing valve, includes valve body, valve rod, disk seat, case, the valve gap that constitutes the basic subassembly of valve to and airtight the seal receptacle of case, with connecting rod and the pneumatic film actuating mechanism of valve body bolted seal connection, its characterized in that: the pneumatic membrane type air compressor is characterized in that an inner pipe is arranged in the connecting rod, a corrugated pipe is further sleeved in a center hole of the inner pipe, the valve cover is sealed at the upper end of the corrugated pipe, the valve rod penetrates through the sealing seat, the center hole of the corrugated pipe and the valve cover, a filler is embedded in the center hole of the valve cover, the upper end of the valve rod is connected with the pneumatic membrane actuating mechanism in a matched mode, air pressure input by the air compressor is converted into thrust to the push rod through the elastic membrane of the pneumatic membrane actuating mechanism, the valve core generates corresponding displacement through the push rod, the opening degree of the valve.
2. The automatic control regulating valve of the corrugated pipe as claimed in claim 1, wherein: the packing comprises an upper layer, a middle layer and a lower layer, and is pressed by a packing pressing plate and a packing gland and is in closed connection through the matching of bolts and nuts.
3. The automatic control regulating valve of the corrugated pipe as claimed in claim 1, wherein: and a metal winding gasket is arranged at the joint of the connecting rod and the upper end of the valve body.
4. The automatic control regulating valve of the corrugated pipe as claimed in claim 1, wherein: the outer side wall of the connecting rod is connected with a pressure gauge in a through mode.
5. The automatic control regulating valve of the corrugated pipe as claimed in claim 1, wherein: the pneumatic membrane actuating mechanism is characterized in that a support is arranged at the bottom of the pneumatic membrane actuating mechanism, a circular hole is formed in the bottom of the support, and the support is locked through a round nut and threads arranged on the periphery of the valve cover in a matched mode, so that the pneumatic membrane actuating mechanism is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920373991.6U CN210088138U (en) | 2019-03-23 | 2019-03-23 | Corrugated pipe automatic control regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920373991.6U CN210088138U (en) | 2019-03-23 | 2019-03-23 | Corrugated pipe automatic control regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210088138U true CN210088138U (en) | 2020-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920373991.6U Active CN210088138U (en) | 2019-03-23 | 2019-03-23 | Corrugated pipe automatic control regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210088138U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114382897A (en) * | 2022-01-22 | 2022-04-22 | 江苏明江阀业有限公司 | High-risk medium anti-blocking inverted sealing corrugated pipe regulating valve |
-
2019
- 2019-03-23 CN CN201920373991.6U patent/CN210088138U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114382897A (en) * | 2022-01-22 | 2022-04-22 | 江苏明江阀业有限公司 | High-risk medium anti-blocking inverted sealing corrugated pipe regulating valve |
| CN114382897B (en) * | 2022-01-22 | 2023-10-13 | 江苏明江阀业有限公司 | High-risk medium anti-blocking reverse sealing corrugated pipe regulating valve |
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