CN215568016U - Pneumatic regulating valve - Google Patents
Pneumatic regulating valve Download PDFInfo
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- CN215568016U CN215568016U CN202121490855.9U CN202121490855U CN215568016U CN 215568016 U CN215568016 U CN 215568016U CN 202121490855 U CN202121490855 U CN 202121490855U CN 215568016 U CN215568016 U CN 215568016U
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- pressing block
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Abstract
The utility model relates to the technical field of valve equipment, in particular to a pneumatic regulating valve which comprises a valve body, a valve core, a valve cover, a valve seat, a valve rod, a pointer, sealing filler, an actuating mechanism and a shaft sleeve, wherein an air inlet used for transmitting compressed air is arranged above the actuating mechanism, filter cotton used for filtering dust and reducing noise transmitted by the compressed air is arranged outside the air inlet, a pressing block and a pressing plate used for extruding the sealing filler are arranged on the valve cover, the pressing plate is positioned at the upper end of the pressing block and is provided with an adjusting control mechanism used for driving the pressing block to extrude the sealing filler, and rubber foot pads used for reducing the noise are arranged at the left end and the right end of the valve body, so that compared with the prior art, the pneumatic regulating valve has the beneficial effects that: in view of the shortcomings of the prior art, the utility model aims to provide a pneumatic regulating valve which can reduce noise.
Description
Technical Field
The utility model relates to the technical field of valve equipment, in particular to a pneumatic regulating valve.
Background
The pneumatic control valve known in the prior art uses compressed gas as a power source, a cylinder as an actuator, and a valve is driven by means of accessories such as a valve positioner, a converter and the like to realize switching value or proportional regulation, and receives a control signal of an industrial automatic control system to regulate a pipeline medium: flow, pressure, temperature, various process parameters such as liquid level, but adopt compressed air as the power supply at actuating mechanism, the motion through the piston drives the crank arm and carries out 90 degrees gyration, when reaching the purpose that makes valve automatic start-stop, the piston motion can produce a large amount of noises, still needs to prevent that dust or other foreign matters from appearing in the valve body inner chamber from influencing normal work.
Therefore, a pneumatic control valve capable of solving the above technical problems and ensuring the working efficiency is required.
Disclosure of Invention
In view of the shortcomings of the prior art, the utility model aims to provide a pneumatic regulating valve which can reduce noise.
In order to achieve the purpose, the utility model provides the following technical scheme: the valve comprises a valve body, a valve core, a valve cover, a valve seat, a valve rod, a pointer, sealing filler, an actuating mechanism and a shaft sleeve, wherein an air inlet for transmitting compressed air is arranged above the actuating mechanism, filter cotton for filtering dust and reducing noise transmitted by the compressed air is arranged outside the air inlet, the actuating mechanism is positioned at the top end of the valve body, the power output end of the actuating mechanism is fixedly connected with the head end of the valve rod through the shaft sleeve, the tail end of the valve rod is fixedly connected with the valve core, the valve body is internally provided with the sealing filler for ensuring the sealing property in the valve body, the valve cover is provided with a pressing block and a pressing plate for extruding the sealing filler, the pressing plate is positioned at the upper end of the pressing block and is provided with an adjusting and controlling mechanism for driving the pressing block to extrude the sealing filler, a medium channel for medium to circulate is arranged below the valve body, the valve seat is positioned in an inner cavity of the valve body and forms a sealing pair, the actuating mechanism drives the valve core to vertically move so that the medium channel has an opening state and a closing state, the closing state is that the medium channel is closed and cannot circulate when the valve core abuts against the valve seat, the opening state is that the medium channel can circulate when the valve core is separated from the valve seat, and rubber foot pads for reducing noise are arranged at the left end and the right end of the valve body.
The beneficial effects achieved through the above process are as follows: when the medium channel needs to be opened, drive the valve core rebound and break away from each other with the disk seat through actuating mechanism, thereby make the medium channel open, otherwise when closing the medium channel, actuating mechanism can be closed, can be because of the gravity influence of self, make valve core and disk seat offset, then close the medium channel, the setting of crossing the filter pulp can filter the dust and reduce the noise of compressed air transmission, the setting of rubber foot pad can not only support the valve body and can also reduce the noise that the during operation produced, the setting of clamp plate can let the packing keep the inflation state constantly when making extrusion seal pack and prevent that the valve rod from bringing the dust into when vertical removal, thereby guarantee the leakproofness in the valve body.
The utility model is further configured to: the adjusting control mechanism comprises a fixing bolt and an adjusting nut, the fixing bolt penetrates through the pressing plate and is fixedly matched with the valve seat, and the adjusting nut is in threaded connection with the fixing bolt and drives the pressing plate to move towards the pressing block.
The beneficial effects achieved through the above process are as follows: the adjusting control mechanism is arranged to enable the pressing block to adjust the extrusion position only by adjusting the thread matching of the fixing bolt and the adjusting nut.
The utility model is further configured to: the air inlet outside be provided with the fixed enclosing cover that is used for fixed filter pulp, fixed enclosing cover inboard be provided with the inconsistent damping bump in air inlet outside.
The beneficial effects achieved through the above process are as follows: when the filter cotton needs to be replaced, the filter cotton is directly replaced only by disassembling the fixed outer cover, so that the replacement process is more convenient.
The utility model is further configured to: the rubber foot pad be provided with the valve body enclosing cover corresponding with the valve body outline, the valve body outer end nestification in the valve body enclosing cover, the rubber foot pad be provided with the opening that supplies the valve body to external connection usefulness and supply the valve body to external fixed orifices that matches.
The beneficial effects achieved through the above process are as follows: the nested arrangement of the outer cover enables the rubber foot pad to be more conveniently mounted and dismounted, and the opening and the fixing hole for the outward connection of the valve body enable the valve body to be still connected and fixedly matched with the outside without losing the original function.
The utility model is further configured to: the height adjusting mechanism comprises a limiting sleeve and a supporting foot post, the supporting foot post is nested in the limiting sleeve, the limiting sleeve is fixedly connected with the outer cover of the valve body and is provided with a limiting groove along the vertical direction, the limiting groove is provided with a plurality of fixing points, a groove, a spring and a fixing elastic sheet are arranged in the supporting foot post, the spring is located in the groove and is used for supporting the fixing elastic sheet, and the position of the fixing elastic sheet corresponds to the fixing point and is provided with a limiting bottom plate for preventing the fixing elastic sheet from being separated from the fixing point.
The beneficial effects achieved through the above process are as follows: the supporting height of the rubber foot pad can be adjusted by selecting the fixing points through the fixing elastic sheets of the supporting foot posts through the arrangement of the limiting grooves and the fixing points.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a cross-sectional view of the height adjustment mechanism of the present invention;
fig. 4 is a partial enlarged view of the air intake of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1-4, the utility model discloses a pneumatic control valve, which comprises a valve body 1, a valve core 2, a valve cover 3, a valve seat 4, a valve rod 5, a pointer 6, a sealing filler 7 actuator 8 and a shaft sleeve 9, wherein an air inlet 81 for transmitting compressed air is arranged above the actuator 8, filter cotton 811 for filtering dust and reducing noise transmitted by the compressed air is arranged outside the air inlet 81, the actuator 8 is positioned at the top end of the valve body 1, the power output end of the actuator 8 is fixedly connected with the head end of the valve rod 5 through the shaft sleeve 9, the tail end of the valve rod 5 is fixedly connected with the valve core 2, the sealing filler 7 for ensuring the sealing property in the valve body 1 is arranged in the valve body 1, a pressing block 31 and a pressing plate 32 for pressing the sealing filler 7 are arranged on the valve cover 3, the pressing block 31 and the pressing plate 32 for pressing the sealing filler are arranged on the valve cover 3, the pressing plate 32 is positioned at the upper end of the pressing block 31 and is provided with an adjusting control mechanism 321 for driving the pressing block 31 to press the sealing filler, the lower side of the valve body 1 is provided with a medium channel 11 for medium circulation, the valve seat 4 is positioned in the inner cavity of the valve body 1 and forms a sealing pair, the actuating mechanism 8 drives the valve core 2 to vertically move so that the medium channel 11 has an opening state and a closing state, the closing state is that the medium channel 11 is closed and cannot circulate when the valve core 2 offsets against the valve seat 4, the opening state is that the valve core 2 and the valve seat 4 are separated, the medium channel 11 can circulate the medium, the left end and the right end of the valve body 1 are provided with rubber foot pads 12 for reducing noise, and the rubber foot pads 12 are provided with height adjusting mechanisms 121.
The adjusting control mechanism 321 includes a fixing bolt 33 and a nut 34, the fixing bolt 33 penetrates through the pressing plate 32 and is fixedly matched with the valve seat 3, and the adjusting nut 34 is in threaded connection with the fixing bolt 33 and drives the pressing plate 32 to move towards the pressing block 31.
The outer side of the air inlet 81 is provided with a fixed outer cover 812 for fixing the filter cotton 811, and the inner side of the fixed outer cover 812 is provided with a damping salient point 8121 which is abutted against the outer side of the air inlet 81.
The rubber foot pad 12 is provided with a valve body outer cover 122 corresponding to the outer contour of the valve body 1, the outer end of the valve body 1 is nested in the valve body outer cover 122, and the rubber foot pad 12 is provided with an opening 123 for external connection of the valve body 1 and a fixing hole 124 for external fixed matching of the valve body.
The height adjusting mechanism 121 comprises a limiting sleeve 1211 and a supporting leg 1212, wherein the supporting leg 1212 is nested in the limiting sleeve 1211, the limiting sleeve 1211 is fixedly connected with the valve body outer cover 122 and is provided with a limiting groove 12111 for adjusting the supporting height of the rubber foot 12, the limiting groove 12111 is provided with a plurality of fixing positions 12112, the supporting leg 1212 is provided with a groove 12121, a spring 12122 and a fixing elastic sheet 12123, the spring 12122 is positioned in the groove 12121 and is used for supporting the fixing elastic sheet 12123, the position of the fixing elastic sheet 12123 corresponds to the fixing positions 12112 and is provided with a limiting bottom plate 121231 for preventing the fixing elastic sheet 12123 from falling off the fixing positions 12112.
Claims (5)
1. A pneumatic control valve, its characterized in that: the valve comprises a valve body, a valve core, a valve cover, a valve seat, a valve rod, a pointer, sealing filler, an actuating mechanism and a shaft sleeve, wherein an air inlet for transmitting compressed air is arranged above the actuating mechanism, filter cotton for filtering dust and reducing noise transmitted by the compressed air is arranged outside the air inlet, the actuating mechanism is positioned at the top end of the valve body, the power output end of the actuating mechanism is fixedly connected with the head end of the valve rod through the shaft sleeve, the tail end of the valve rod is fixedly connected with the valve core, the sealing filler for ensuring the sealing property in the valve body is arranged in the valve body, a pressing block and a pressing plate for extruding the sealing filler are arranged on the valve cover, the pressing plate is positioned at the upper end of the pressing block and is provided with an adjusting control mechanism for driving the pressing block to extrude the sealing filler, a medium channel for medium to circulate is arranged below the valve body, and the valve seat is positioned in an inner cavity of the valve body and forms a sealing pair, actuating mechanism drive valve core carry out vertical removal and make the medium passageway possess open and closed state, closed state do the valve core lead to the medium runner to be sealed unable circulation when offseting with the disk seat, open state do the valve core and the disk seat when leaving mutually, the medium runner can circulate the medium, the valve body about both ends be provided with the rubber foot pad that is used for reducing the noise, the rubber foot pad be provided with height adjusting mechanism.
2. The pneumatic regulator valve according to claim 1, wherein: the adjusting control mechanism comprises a fixing bolt and an adjusting nut, the fixing bolt penetrates through the pressing plate and is fixedly matched with the valve cover, and the adjusting nut is in threaded connection with the fixing bolt and drives the pressing plate to move towards the pressing block.
3. The pneumatic regulator valve according to claim 1, wherein: the air inlet outside be provided with the fixed enclosing cover that is used for fixed filter pulp, fixed enclosing cover inboard be provided with the inconsistent damping bump in air inlet outside.
4. The pneumatic regulator valve according to claim 1, wherein: the rubber foot pad be provided with the valve body enclosing cover corresponding with the valve body outline, the valve body outer end nestification in the valve body enclosing cover, the valve body enclosing cover be provided with the opening that supplies the valve body to external connection usefulness and supply the valve body to external fixed coordination's fixed orifices.
5. The pneumatic regulator valve according to claim 4, wherein: the height adjusting mechanism comprises a limiting sleeve and a supporting foot post, the supporting foot post is nested in the limiting sleeve, the limiting sleeve is fixedly connected with the outer cover of the valve body and is provided with a limiting groove along the vertical direction, the limiting groove is provided with a plurality of fixing points, a groove, a spring and a fixing elastic sheet are arranged in the supporting foot post, the spring is located in the groove and is used for supporting the fixing elastic sheet, and the position of the fixing elastic sheet corresponds to the fixing point and is provided with a limiting bottom plate for preventing the fixing elastic sheet from being separated from the fixing point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121490855.9U CN215568016U (en) | 2021-07-01 | 2021-07-01 | Pneumatic regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121490855.9U CN215568016U (en) | 2021-07-01 | 2021-07-01 | Pneumatic regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215568016U true CN215568016U (en) | 2022-01-18 |
Family
ID=79822778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121490855.9U Active CN215568016U (en) | 2021-07-01 | 2021-07-01 | Pneumatic regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215568016U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024098733A1 (en) * | 2022-11-08 | 2024-05-16 | 苏州纽威阀门股份有限公司 | Regulating valve |
-
2021
- 2021-07-01 CN CN202121490855.9U patent/CN215568016U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024098733A1 (en) * | 2022-11-08 | 2024-05-16 | 苏州纽威阀门股份有限公司 | Regulating valve |
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