CN216045523U - Self-operated regulating valve convenient for reducing medium flow velocity - Google Patents
Self-operated regulating valve convenient for reducing medium flow velocity Download PDFInfo
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- CN216045523U CN216045523U CN202122769476.XU CN202122769476U CN216045523U CN 216045523 U CN216045523 U CN 216045523U CN 202122769476 U CN202122769476 U CN 202122769476U CN 216045523 U CN216045523 U CN 216045523U
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Abstract
The utility model discloses a self-operated regulating valve convenient for reducing the flow velocity of a medium, which comprises a valve body, a valve cover arranged on the valve body, a bracket, a pneumatic actuator arranged on the bracket and a valve rod assembly connected with the pneumatic actuator, wherein the valve cover is arranged on the valve body; the device is characterized by also comprising a speed reducing cylinder which is arranged on the valve body and used for reducing the flow speed of the medium; the speed reducing cylinder is provided with a plurality of blocking bosses for blocking media to reduce the flow speed and a flow speed baffle. According to the utility model, through the arrangement of the speed reducing cylinder, the medium is blocked by the speed reducing cylinder, so that the impact force and the flow velocity of the medium are reduced, and the service life of the valve body is prolonged; through the arrangement of the blocking boss, the blocking boss is used for blocking the medium, so that the medium directly impacts on the blocking boss, the impact force of the medium on the valve body is reduced, and the service life of the valve body is prolonged; through the setting of velocity of flow baffle, utilize the velocity of flow baffle to shunt the medium to reduce the impact force and the velocity of flow of medium, prolong the life of valve body.
Description
Technical Field
The utility model relates to a self-operated regulating valve, in particular to a self-operated regulating valve convenient for reducing the flow velocity of a medium.
Background
The self-operated regulating valve is also called a self-operated control valve, and is a regulating valve which can automatically work by using the pressure and the temperature of a medium flowing through the valve as energy sources to drive the valve without an external power supply and a secondary instrument. Therefore, a self-operated regulating valve convenient for reducing the flow velocity of the medium is provided.
Disclosure of Invention
The utility model aims to solve the problems that in the prior art, when a valve body works, impact force and high flow velocity generated by medium flow can directly impact the valve body, and the long-time use can damage the interior of the valve body, so that the service life of the valve body is shortened, and the like.
In order to achieve the purpose, the utility model provides the following technical scheme: a self-operated regulating valve convenient for reducing the flow velocity of a medium comprises a valve body, a valve cover arranged on the valve body, a support, a pneumatic actuator arranged on the support and a valve rod assembly connected with the pneumatic actuator; the device is characterized by also comprising a speed reducing cylinder which is arranged on the valve body and used for reducing the flow speed of the medium; the speed reducing cylinder is provided with a plurality of blocking bosses for blocking media to reduce the flow speed and a flow speed baffle.
Preferably, a matched guiding and positioning assembly is arranged between the speed reducing cylinder and the valve body; the blocking boss is provided with an installation bracket; the flow velocity baffle is arranged on the mounting bracket in the deceleration cylinder through a screw; and a plurality of medium through holes are formed in the flow velocity baffle and the blocking lug boss.
Preferably, the guiding and positioning assembly comprises an installation guide groove arranged in the valve body and a guiding boss which is arranged on the deceleration cylinder and is matched with the installation guide groove; the speed reducing cylinder is also provided with a positioning boss; and the valve body is provided with a positioning groove matched with the positioning boss.
Preferably, the valve rod assembly comprises a valve rod connected with the pneumatic actuator and a valve core arranged on the valve rod; the valve cover is provided with a spring bottom plate through threads; the valve rod is provided with an upper spring fixing plate through a nut; and a spring is arranged between the spring upper fixing plate and the spring bottom plate.
Preferably, a valve seat matched with the valve core is further installed in the valve body; a fixed bottom plate is arranged between the valve body and the valve cover through welding; an upper fixing plate is welded on the valve rod; and a corrugated pipe is arranged between the fixed bottom plate and the upper fixed plate through welding.
The utility model has the beneficial effects that: through the arrangement of the speed reducing cylinder, the medium is blocked by the speed reducing cylinder, so that the impact force and the flow velocity of the medium are reduced, and the service life of the valve body is prolonged;
through the arrangement of the blocking boss, the blocking boss is used for blocking the medium, so that the medium directly impacts on the blocking boss, the impact force of the medium on the valve body is reduced, and the service life of the valve body is prolonged;
through the setting of velocity of flow baffle, utilize the velocity of flow baffle to shunt the medium to reduce the impact force and the velocity of flow of medium, prolong the life of valve body.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a partial structural schematic diagram of the present invention.
Fig. 3 is an enlarged view of a portion of the utility model at a in fig. 2.
Fig. 4 is a partial enlarged view of the utility model at B in fig. 2.
Illustration of the drawings: 1, a valve body; 101 a valve seat; 102 fixing the bottom plate; 103, fixing a plate; 104 a bellows; 2, a valve cover; 201 spring bottom plate; 202, fixing a plate on the spring; 203 a spring; 3, a bracket; 4, a pneumatic actuator; 5 a valve stem assembly; 501, a valve rod; 502 a valve core; 6, a deceleration cylinder; 7 blocking the boss; 701, mounting a bracket; 8, a flow velocity baffle; 801 dielectric through holes; 9 guiding and positioning components; 901 installing a guide groove; 902 a guide boss; 903 positioning the boss; 904 are positioned.
Detailed Description
The self-operated regulating valve for reducing the flow rate of a medium according to the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1, in the present embodiment, a self-operated regulating valve convenient for reducing the flow rate of a medium includes a valve body 1, a valve cover 2 installed on the valve body 1, a bracket 3, a pneumatic actuator 4 installed on the bracket 3, and a valve rod assembly 5 connected to the pneumatic actuator 4; the device is characterized by also comprising a speed reducing cylinder 6 which is arranged on the valve body 1 and used for reducing the flow speed of the medium; the deceleration cylinder 6 is provided with a plurality of blocking bosses 7 for blocking media to reduce the flow velocity and a flow velocity baffle 8; through the arrangement of the speed reducing cylinder 6, the medium is blocked by the speed reducing cylinder 6, so that the impact force and the flow rate of the medium are reduced, and the service life of the valve body 1 is prolonged; through the arrangement of the blocking boss 7, the blocking boss 7 is utilized to block the medium, the medium directly impacts on the blocking boss 7, the impact force of the medium on the valve body is reduced, and therefore the service life of the valve body 1 is prolonged; through the setting of velocity of flow baffle 8, utilize velocity of flow baffle 8 to shunt the medium to reduce the impact force and the velocity of flow of medium, prolong the life of valve body 1.
Referring to fig. 1-4, a guiding and positioning assembly 9 is arranged between the deceleration cylinder 6 and the valve body 1; the blocking boss 7 is provided with a mounting bracket 701; the flow velocity baffle 8 is arranged on the mounting bracket 701 in the deceleration cylinder 6 through screws; a plurality of medium through holes 801 are formed in the flow velocity baffle 8 and the blocking boss 7; the guiding and positioning assembly 9 comprises an installation guiding groove 901 arranged in the valve body 1 and a guiding boss 902 which is arranged on the deceleration cylinder 6 and is matched with the installation guiding groove 901; a positioning boss 903 is also arranged on the speed reducing cylinder 6; a positioning groove 904 matched with the positioning boss 903 is arranged on the valve body 1; through the arrangement of the medium through holes 801 on the flow velocity baffle 8, the medium is divided by the medium through holes 801, so that the flow velocity and impact force of the medium are reduced, and the service life of the valve body 1 is prolonged; through the installation guide way 901 looks adaptation of the direction boss 902 on the deceleration section of thick bamboo 6 and the valve body 1 to along installing guide way 901 and installing in the valve body 1, then fix a position the installation on the valve body 1 of a deceleration section of thick bamboo 6 through location boss 903 and the constant head tank 904 looks adaptation on the valve body 1, thereby be convenient for the installation of a deceleration section of thick bamboo 6.
Referring to fig. 1, the valve rod assembly 5 includes a valve rod 501 connected to the pneumatic actuator 4 and a valve core 502 mounted on the valve rod 501; a spring bottom plate 201 is arranged on the valve cover 2 through threads; the valve rod 501 is provided with an upper spring fixing plate 202 through a nut; a spring 203 is arranged between the upper spring fixing plate 202 and the spring bottom plate 201; the valve body 1 is also internally provided with a valve seat 101 matched with the valve core 502; a fixed bottom plate 102 is arranged between the valve body 1 and the valve cover 2 through welding; an upper fixing plate 103 is welded on the valve rod 501; a bellows 104 is welded between the fixed base plate 102 and the upper fixed plate 103.
According to the utility model, firstly, the speed reduction baffle 8 is fixedly arranged on the mounting bracket 701 of the stopping boss 7 through a screw, then the guide boss 902 on the speed reduction cylinder 6 is matched with the mounting guide groove 901 on the valve body 1 and is mounted in the valve body 1 through the guide of the mounting guide groove 901, then the positioning boss 903 on the speed reduction cylinder 6 is matched with the positioning groove 904 on the valve body 1, and the speed reduction cylinder 6 is positioned and mounted on the valve body 1; when the valve is used, a medium entering the valve body 1 firstly passes through the deceleration cylinder 6 and directly impacts the blocking boss 7 in the deceleration cylinder 6, the blocking boss 7 blocks the medium to reduce the impact property and the flow rate of the medium, then the medium flows onto the flow rate baffle 8 and is separated through the medium through hole 801 on the flow rate baffle 8, so that the impact force and the flow rate of the medium are reduced again, the medium enters the valve body 1 after the impact force and the flow rate are reduced for the second time, the valve body 1 is protected, the service life of the valve body 1 is prolonged, when the pressure of the medium entering the valve body 1 is increased, the valve core 502 is pushed to move upwards, the valve core 502 drives the valve rod 501 to move upwards, the valve rod 501 drives the membrane in the pneumatic actuator 4 to move upwards, the spring 203 and the corrugated pipe 104 are extended to enable the valve body 1 to be in an open state, when the pressure of the medium is reduced, the diaphragm in the pneumatic actuator 4 drives the valve rod 501 to move downwards, the valve rod 501 drives the valve core 502 to move downwards, and meanwhile, the spring 203 and the corrugated pipe 104 are compressed, so that the valve body 1 is in a closed state.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (5)
1. A self-operated regulating valve convenient for reducing the flow rate of a medium comprises a valve body (1), a valve cover (2) arranged on the valve body (1), a support (3), a pneumatic actuator (4) arranged on the support (3) and a valve rod assembly (5) connected with the pneumatic actuator (4); the device is characterized by also comprising a speed reducing cylinder (6) which is arranged on the valve body (1) and used for reducing the flow speed of the medium; the speed reduction cylinder (6) is provided with a plurality of blocking bosses (7) for blocking media to reduce the flow speed and a flow speed baffle (8).
2. A self-operated regulator valve for facilitating a reduction in the flow rate of a medium as defined in claim 1, wherein: a guide positioning component (9) which is matched with the speed reducing cylinder (6) is arranged between the speed reducing cylinder and the valve body (1); the blocking boss (7) is provided with a mounting bracket (701); the flow velocity baffle (8) is arranged on an installation bracket (701) in the speed reduction barrel (6) through a screw; and a plurality of medium through holes (801) are formed in the flow velocity baffle (8) and the blocking boss (7).
3. A self-operated regulator valve for facilitating a reduction in the flow rate of a medium as defined in claim 2, wherein: the guide positioning assembly (9) comprises an installation guide groove (901) arranged in the valve body (1) and a guide boss (902) which is arranged on the deceleration cylinder (6) and is matched with the installation guide groove (901); a positioning boss (903) is further arranged on the speed reducing cylinder (6); and the valve body (1) is provided with a positioning groove (904) matched with the positioning boss (903).
4. A self-operated regulator valve for facilitating a reduction in the flow rate of a medium as defined in claim 1, wherein: the valve rod assembly (5) comprises a valve rod (501) connected with the pneumatic actuator (4) and a valve core (502) arranged on the valve rod (501); a spring bottom plate (201) is arranged on the valve cover (2) through threads; the valve rod (501) is provided with an upper spring fixing plate (202) through a nut; and a spring (203) is arranged between the upper spring fixing plate (202) and the spring bottom plate (201).
5. A self-operated regulator valve for facilitating a reduction in the flow rate of a medium as defined in claim 4, wherein: a valve seat (101) matched with the valve core (502) is also arranged in the valve body (1); a fixed bottom plate (102) is arranged between the valve body (1) and the valve cover (2) through welding; an upper fixing plate (103) is welded on the valve rod (501); and a corrugated pipe (104) is arranged between the fixed bottom plate (102) and the upper fixed plate (103) through welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122769476.XU CN216045523U (en) | 2021-11-12 | 2021-11-12 | Self-operated regulating valve convenient for reducing medium flow velocity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122769476.XU CN216045523U (en) | 2021-11-12 | 2021-11-12 | Self-operated regulating valve convenient for reducing medium flow velocity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216045523U true CN216045523U (en) | 2022-03-15 |
Family
ID=80615410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122769476.XU Active CN216045523U (en) | 2021-11-12 | 2021-11-12 | Self-operated regulating valve convenient for reducing medium flow velocity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216045523U (en) |
-
2021
- 2021-11-12 CN CN202122769476.XU patent/CN216045523U/en active Active
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