CN215172274U - Pneumatic control valve with noise reduction structure - Google Patents
Pneumatic control valve with noise reduction structure Download PDFInfo
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- CN215172274U CN215172274U CN202121662342.1U CN202121662342U CN215172274U CN 215172274 U CN215172274 U CN 215172274U CN 202121662342 U CN202121662342 U CN 202121662342U CN 215172274 U CN215172274 U CN 215172274U
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- valve
- speed reduction
- valve body
- assembly
- outer sleeve
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Abstract
The utility model discloses a pneumatic regulating valve with a noise reduction structure, which comprises a valve body, a valve cover arranged on the valve body, a pneumatic actuator arranged on the valve cover and a valve rod assembly connected with the actuator; the valve is characterized by also comprising a connecting pipe connected with the valve body and a multi-stage speed reduction assembly arranged between the valve body and the valve cover; the multistage speed reduction assembly comprises a speed reduction outer sleeve, a mounting screw rod arranged in the speed reduction outer sleeve and a plurality of speed reduction inner sleeves arranged on the mounting screw rod; the speed reduction inner sleeve is fixed on the mounting screw rod through a nut. The utility model discloses simple structure, the noise when valve use can be reduced in the installation of being convenient for and dismantlement, prolongs the life of valve.
Description
Technical Field
The utility model relates to a governing valve technical field specifically indicates a pneumatic control valve with structure of making an uproar falls.
Background
A regulating valve is also called a control valve, in the field of industrial automation process control, a final control element for changing process parameters such as medium flow, pressure, temperature, liquid level and the like is generally composed of an actuating mechanism and a valve by receiving a control signal output by a regulating control unit and by means of power operation, in the prior art, a medium enters a valve body to cause overlarge flow velocity, so that the medium can impact the inside of the valve body in and out, the damage to the inside of the valve body is caused after long-time use, the service life of the valve is shortened, and the overlarge flow velocity can generate larger noise through a valve seat, so that the influence is caused on the surrounding environment. To this end, a pneumatic control valve with a noise reduction structure is proposed.
Disclosure of Invention
The utility model aims at solving current technique, the medium is the velocity of flow too big through getting into the valve body to can cause the inside damage of valve body to the inside business turn over of valve body to strike after using for a long time, reduce the life of valve, and the velocity of flow too big through the disk seat can produce great noise, thereby cause the influence scheduling problem and provide a pneumatic control valve with the structure of making an uproar of falling to peripheral environment.
In order to achieve the above purpose, the utility model provides a following technical scheme: a pneumatic regulating valve with a noise reduction structure comprises a valve body, a valve cover arranged on the valve body, a pneumatic actuator arranged on the valve cover and a valve rod assembly connected with the pneumatic actuator; the valve is characterized by also comprising a connecting pipe connected with the valve body and a multi-stage speed reduction assembly arranged between the valve body and the valve cover; the multistage speed reduction assembly comprises a speed reduction outer sleeve, a mounting screw rod arranged in the speed reduction outer sleeve and a plurality of speed reduction inner sleeves arranged on the mounting screw rod; the speed reduction inner sleeve is fixed on the mounting screw rod through a nut.
Preferably, the speed reducing outer sleeve and the speed reducing inner sleeve are both provided with a plurality of through holes; the speed reduction outer sleeve is also provided with a plurality of positioning through holes; the valve body is provided with a positioning boss matched with the positioning through hole; and the valve cover is provided with a positioning groove matched with the positioning boss.
Preferably, the connecting pipe is provided with a conical through hole, a plurality of clamping bosses and a sealing assembly; the valve body is provided with a clamping groove matched with the clamping boss; the clamping boss is fixedly connected with the clamping groove through screws.
Preferably, the seal assembly includes a plurality of seal grooves provided on the connection pipe and a seal ring installed in the seal grooves.
Preferably, the valve rod assembly comprises a valve rod and a valve core arranged on the valve rod; a valve seat matched with the valve core is also arranged in the valve body; the valve rod assembly is connected with the pneumatic actuator through a valve rod.
The utility model has the advantages that: the pneumatic regulating valve is simple in structure, convenient to install and detach, capable of reducing noise generated when the valve is used and prolonging the service life of the valve.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partial enlarged view of the present invention a.
Fig. 3 is a partial enlarged view of the present invention B.
Illustration of the drawings: 1, a valve body; 101, positioning a boss; 102 clamping grooves; 103 valve seat; 2, a valve cover; 201 a positioning groove; 3, a pneumatic actuator; 4, a valve rod component; 401 a valve stem; 402 a valve core; 5, connecting the pipes; 501, forming a conical through hole; 502 clamp the boss; 503 sealing the assembly; 504 sealing the grooves; 505 a sealing ring; 6, a multistage deceleration component; 601, a deceleration outer sleeve; 602 installing a screw rod; 603 a deceleration inner sleeve; 604 through holes; 605 locate the through holes.
Detailed Description
The pneumatic control valve with noise reduction structure according to the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1, in the present embodiment, a pneumatic control valve with a noise reduction structure includes a valve body 1, a valve cover 2 mounted on the valve body 1, a pneumatic actuator 3 mounted on the valve cover 2, and a valve rod assembly 4 connected to the pneumatic actuator 3; the valve is characterized by also comprising a connecting pipe 5 connected with the valve body 1 and a multi-stage speed reduction assembly 6 arranged between the valve body 1 and the valve cover 2; through the arrangement of the connecting pipe 5 on the valve body 1, the diameter of a flow passage through which a medium passes can be increased through the connecting pipe 5, so that the flow rate of the medium is reduced, and the service life of the valve is prolonged; through the setting of multistage deceleration subassembly 6 between valve body 1 and the valve gap 2, can carry out the deceleration through multistage deceleration subassembly 6 with the velocity of flow of medium many times to reduce the noise that the valve used, increase of service life.
Referring to fig. 1-2, the multistage deceleration assembly 6 installed between the valve body 1 and the valve cap 2 comprises a deceleration outer sleeve 601, a mounting screw 602 installed in the deceleration outer sleeve 601, and a plurality of deceleration inner sleeves 603 installed on the mounting screw 602; the speed reduction inner sleeve 603 is fixed on the mounting screw 602 through a nut; the speed reducing outer sleeve 601 and the speed reducing inner sleeve 603 are both provided with a plurality of through holes 604; the speed reduction outer sleeve 601 is also provided with a plurality of positioning through holes 605; a positioning boss 101 matched with the positioning through hole 605 is arranged on the valve body 1; the valve cover 2 is provided with a positioning groove 201 matched with the positioning boss 101; through the arrangement of the screw 602 mounted on the speed reduction outer sleeve 601, the speed reduction inner sleeve 603 is fixedly mounted on the mounting screw 602 through a nut, and forms multi-stage speed reduction with the speed reduction outer sleeve 601 to reduce the flow rate of a medium, so that the speed reduction inner sleeve 603 is mounted conveniently, the noise of a valve is reduced, and the service life is prolonged; through the setting of location boss 101 on the valve body 1, the speed reduction outer sleeve 601 is installed on location boss 101 through location through-hole 605 and location boss 101 looks adaptation, and the constant head tank 201 on the valve gap 2 is connected with valve body 1 with location boss 101 looks adaptation simultaneously to the location installation of speed reduction outer sleeve 601 is convenient for.
Referring to fig. 1 and 3, a tapered through hole 501, a plurality of clamping bosses 502 and a sealing assembly 503 are arranged on the connecting pipe 5; the valve body 1 is provided with a clamping groove 102 matched with the clamping boss 502; the clamping boss 502 is fixedly connected with the clamping groove 102 through screws; the seal assembly 503 comprises a plurality of seal grooves 504 arranged on the connecting pipe 5 and seal rings 505 arranged in the seal grooves 504; through the arrangement of the conical through hole 501 on the connecting pipe 5, the area of the medium flowing through the conical through hole 501 on the connecting pipe 5 can be increased, so that the flow rate of the medium is reduced; through the arrangement of the clamping groove 102 on the valve body 1, the connecting pipe 5 is matched with the clamping groove 102 through the clamping boss 502, and the valve body 1 and the connecting pipe 5 are installed in a prepositioned manner, so that the connecting pipe 5 is convenient to install; by providing the seal groove 504 in the connection pipe 5, the seal ring 505 is mounted in the seal groove 504, thereby improving the sealing property between the connection pipe 5 and the valve body 1.
Referring to fig. 1, the valve stem assembly 4 includes a valve stem 401 and a valve core 402 mounted on the valve stem 401; a valve seat 403 matched with the valve core 402 is also arranged in the valve body 1; the valve rod assembly 4 is connected with the pneumatic actuator 3 through a valve rod 401.
In the utility model, firstly, a plurality of speed reduction inner sleeves 603 are respectively arranged on the mounting screw 602 of the speed reduction outer sleeve 601 through nuts, then the positioning through hole 605 on the speed reduction outer sleeve 601 is matched with the positioning boss 101 on the valve body 1, and simultaneously the positioning groove 201 on the valve cover 2 is matched with the positioning boss 101 and fixedly connected through bolts, so that the speed reduction outer sleeve 601 is arranged between the valve body 1 and the valve cover 2, then the clamping boss 502 of the connecting pipe 5 is matched with the clamping groove 102 on the valve body 1 and the clamping boss 502 is connected with the clamping groove 102 through screws, so that the connecting pipe 5 is arranged on the valve body 1, when in use, the pneumatic actuator 3 drives the valve rod 401 to move upwards, the valve rod 401 drives the valve core 402 to move upwards and downwards, the medium firstly flows into the conical through hole 501 in the connecting pipe 5 to reduce the speed and then flows into the valve body 1, and the flow speed of the medium is reduced again through the through holes 604 on the speed reduction outer sleeve 601 and the speed reduction inner sleeve 603, then the fluid flows out of the valve body 1 through the valve seat 403, when the pneumatic actuator 3 drives the valve rod 401 to move downwards, the valve rod 401 drives the valve core 402 to move downwards, so that the valve core 402 is matched with the valve seat 403, and the valve body 1 is in a closed state.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (5)
1. A pneumatic regulating valve with a noise reduction structure comprises a valve body (1), a valve cover (2) arranged on the valve body (1), a pneumatic actuator (3) arranged on the valve cover (2) and a valve rod assembly (4) connected with the pneumatic actuator (3); the valve is characterized by also comprising a connecting pipe (5) connected with the valve body (1) and a multi-stage speed reduction assembly (6) arranged between the valve body (1) and the valve cover (2); the multi-stage speed reduction assembly (6) comprises a speed reduction outer sleeve (601), a mounting screw (602) arranged in the speed reduction outer sleeve (601), and a plurality of speed reduction inner sleeves (603) arranged on the mounting screw (602); the speed reduction inner sleeve (603) is fixed on the mounting screw rod (602) through a nut.
2. A pneumatic regulator valve with noise reducing structure according to claim 1, wherein: the speed reduction outer sleeve (601) and the speed reduction inner sleeve (603) are respectively provided with a plurality of through holes (604); the speed reduction outer sleeve (601) is also provided with a plurality of positioning through holes (605); a positioning boss (101) matched with the positioning through hole (605) is arranged on the valve body (1); and the valve cover (2) is provided with a positioning groove (201) matched with the positioning boss (101).
3. A pneumatic regulator valve with noise reducing structure according to claim 1, wherein: the connecting pipe (5) is provided with a conical through hole (501), a plurality of clamping bosses (502) and a sealing assembly (503); a clamping groove (102) matched with the clamping boss (502) is arranged on the valve body (1); the clamping boss (502) is fixedly connected with the clamping groove (102) through screws.
4. A pneumatic regulator valve with noise reducing structure according to claim 3, wherein: the sealing assembly (503) comprises a plurality of sealing grooves (504) arranged on the connecting pipe (5) and sealing rings (505) arranged in the sealing grooves (504).
5. A pneumatic regulator valve with noise reducing structure according to claim 1, wherein: the valve rod assembly (4) comprises a valve rod (401) and a valve core (402) arranged on the valve rod (401); a valve seat (403) matched with the valve core (402) is also arranged in the valve body (1); the valve rod assembly (4) is connected with the pneumatic actuator (3) through a valve rod (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121662342.1U CN215172274U (en) | 2021-07-21 | 2021-07-21 | Pneumatic control valve with noise reduction structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121662342.1U CN215172274U (en) | 2021-07-21 | 2021-07-21 | Pneumatic control valve with noise reduction structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215172274U true CN215172274U (en) | 2021-12-14 |
Family
ID=79392850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121662342.1U Active CN215172274U (en) | 2021-07-21 | 2021-07-21 | Pneumatic control valve with noise reduction structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215172274U (en) |
-
2021
- 2021-07-21 CN CN202121662342.1U patent/CN215172274U/en active Active
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