CN218883146U

CN218883146U - Pneumatic drive control valve

Info

Publication number: CN218883146U
Application number: CN202223074947.6U
Authority: CN
Inventors: 俞箭; 高明
Original assignee: Shanghai Oushang Packaging Machinery Co ltd
Current assignee: Shanghai Oushang Packaging Machinery Co ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-04-18
Anticipated expiration: 2032-11-18

Abstract

The utility model discloses a pneumatic driving control valve, which comprises a valve casing and a valve cover arranged on the top of the valve casing; wherein, the side-mounting of valve casing has the feed liquor pipe, the liquid outlet has been seted up to the bottom of feed liquor pipe, just the bottom of feed liquor pipe just corresponds the drain pipe is installed to the position of liquid outlet, fixedly connected with seal plate on the inner wall of feed liquor pipe, the inside of feed liquor pipe just is located seal plate's bottom fixedly connected with disk seat, the equal fixedly connected with mount pad in both sides of feed liquor pipe inner wall, the top fixedly connected with reset spring of mount pad. The utility model discloses a mutually supporting between valve casing, valve gap and the drain pipe has realized a pneumatic drive control valve, not only can adopt pneumatic mode to open and close the valve, can utilize manual mode to realize opening and close of pneumatic valve when pneumatic means damages moreover, thereby improved the utility model discloses the practicality of pneumatic valve.

Description

Pneumatic drive control valve

Technical Field

The utility model relates to a pneumatic valve technical field particularly, relates to a pneumatic drive control valve.

Background

Pneumatic valves are valves which are actuated by means of compressed air. When the pneumatic valve is purchased, the specification, the category and the pressure are only determined to meet the purchasing requirement, and the pneumatic valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. Is deficient in the current market economic environment. For the competition of products, pneumatic valve manufacturers respectively carry out different innovations under the concept of uniform design of pneumatic valves, and form respective enterprise standards and product individuality. Therefore, technical requirements are elaborately proposed during pneumatic valve purchasing, and the pneumatic valve purchasing method is coordinated with a manufacturer to obtain consensus and is necessary to be used as an accessory of a pneumatic valve purchasing contract. The valve of this type should be generally installed horizontally in the pipeline.

As in application No.: CN201120088163.1 discloses a pneumatic control valve, including gas accuse valve body, gas accuse valve gap, gas accuse valve piston, gas accuse valve spiral shell lid, case, spring, its characterized in that: the pneumatic control piston is tightly connected with the valve core through threads, and the diameter of the valve core is larger than that of the valve port and used for cutting off the pneumatic control valve; or the port A is completely communicated with the port B and is used for communicating the pneumatic control valve. The pneumatic control valve is suitable for remotely controlling the connection and the disconnection of a gas path with large flux, when the remote control pressure is at high pressure, the gas path is connected, and when the remote control pressure is 0, the gas path is disconnected.

However, the pneumatic valve in the above technology generally adopts a single opening mode, and when the pneumatic device is damaged, the valve is difficult to open and close, so that the practicability is reduced.

SUMMERY OF THE UTILITY MODEL

The pneumatic valve that exists to prior art generally adopts single mode of opening, when pneumatic means damages, leads to the valve to be difficult to open and close to the problem of practicality has been reduced, the utility model provides a pneumatic drive control valve not only can adopt pneumatic mode to open and close the valve, can utilize manual mode to realize opening and close of pneumatic valve moreover when pneumatic means damages, thereby has improved the utility model discloses the practicality of pneumatic valve.

In order to achieve the above object, the utility model provides a following technical scheme:

a pneumatically actuated control valve comprising:

the valve comprises a valve shell and a valve cover arranged at the top of the valve shell;

the liquid inlet pipe is installed on the side face of the valve shell, a liquid outlet is formed in the bottom of the liquid inlet pipe, a liquid outlet pipe is installed at the bottom of the liquid inlet pipe and corresponds to the position of the liquid outlet, a sealing partition plate is fixedly connected to the inner wall of the liquid inlet pipe, a valve seat is fixedly connected to the bottom of the sealing partition plate inside the liquid inlet pipe, installation seats are fixedly connected to two sides of the inner wall of the liquid inlet pipe, return springs are fixedly connected to the tops of the installation seats, the tops of the two return springs are fixedly connected through a piston plate, a piston rod is fixedly connected to the center of the bottom of the piston plate, the bottom of the piston rod movably penetrates through the sealing partition plate and extends to the lower portion of the sealing partition plate to be fixedly connected with a sealing plug, a through hole matched with the sealing plug is formed in the top of the valve seat and corresponds to the position of the sealing plug, and an air outlet pipe is further installed at the top of the side face of the liquid inlet pipe;

the air inlet pipe is mounted on one side of the top of the valve cover, and the manual assembly is further mounted on the top of the valve cover;

wherein, manual component includes fixed connection and is in the slide at valve gap top, sliding connection has the extrusion stem on the slide, the top fixedly connected with of extrusion stem presses the briquetting, is located press the briquetting and between the slide the cover is equipped with the cover spring on the extrusion stem.

Preferably, the top of the sealing partition plate is fixedly connected with a sealing ring matched with the piston rod at a position corresponding to the piston rod.

Preferably, the bottom of the inner wall of the liquid inlet pipe corresponds to a drainage inclined plate fixedly connected with the position of the liquid outlet.

Preferably, a pressing pad is fixedly connected to the top of the pressing block.

Preferably, the edge of the bottom of the valve cover is fixedly connected with a sealing gasket matched with the valve shell.

Preferably, the bottom of the valve cover is hermetically connected with the top of the valve housing through the sealing gasket.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a mutually supporting between valve casing, valve gap and the drain pipe has realized a pneumatic drive control valve, not only can adopt pneumatic mode to open and close the valve, can utilize manual mode to realize opening and close of pneumatic valve moreover when pneumatic means damages, thereby improved the utility model discloses the practicality of pneumatic valve.

Drawings

Fig. 1 is a schematic structural diagram of a pneumatic drive control valve of the present invention;

fig. 2 is a schematic structural diagram of a valve housing in the pneumatic drive control valve of the present invention;

fig. 3 is a schematic structural diagram of a valve cover in the pneumatic drive control valve of the present invention;

fig. 4 is a schematic structural diagram of a valve seat in the pneumatic drive control valve of the present invention.

In the figure:

1. a valve housing; 2. a valve cover; 3. a liquid outlet pipe;

101. a liquid inlet pipe; 102. a liquid outlet; 103. sealing the partition plate; 104. a valve seat; 105. a mounting seat; 106. a return spring; 107. a piston plate; 108. a piston rod; 109. sealing the plug; 110. an air outlet pipe;

201. an air inlet pipe; 202. a manual assembly;

2021. a slide base; 2022. an extrusion stem; 2023. a pressing block; 2024. sleeving a spring;

21. a gasket; 1021. a drainage sloping plate; 1081. 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 4, a pneumatically driven control valve includes:

a valve housing 1 and a valve cover 2 mounted on the top of the valve housing 1;

the liquid inlet pipe 101 is installed on the side face of the valve casing 1, the liquid outlet 102 is formed in the bottom of the liquid inlet pipe 101, the liquid outlet pipe 3 is installed at the bottom of the liquid inlet pipe 101 and in a position corresponding to the liquid outlet 102, a sealing partition plate 103 is fixedly connected to the inner wall of the liquid inlet pipe 101, a valve seat 104 is fixedly connected to the bottom of the liquid inlet pipe 101 and in the sealing partition plate 103, mounting seats 105 are fixedly connected to two sides of the inner wall of the liquid inlet pipe 101, return springs 106 are fixedly connected to the top of the mounting seats 105, the tops of the two return springs 106 are fixedly connected to each other through a piston plate 107, a piston rod 108 is fixedly connected to the center of the bottom of the piston plate 107, the bottom of the piston rod 108 movably penetrates through the sealing partition plate 103 and extends to a sealing plug 109 which is fixedly connected to the lower portion of the sealing partition plate 103, a through hole matched with the sealing plug 109 is formed in the position, corresponding to the top of the valve seat 104, and an air outlet pipe 110 is also installed at the top of the side face of the liquid inlet pipe 101;

wherein, one side of the top of the valve cover 2 is provided with an air inlet pipe 201, and the top of the valve cover 2 is also provided with a manual assembly 202;

the manual assembly 202 includes a sliding seat 2021 fixedly connected to the top of the valve cap 2, the sliding seat 2021 is slidably connected to an extrusion rod 2022, the top of the extrusion rod 2022 is fixedly connected to a pressing block 2023, and a spring 2024 is sleeved on the extrusion rod 2022 located between the pressing block 2023 and the sliding seat 2021.

Through adopting above-mentioned technical scheme, not only can adopt pneumatic mode to open and close the valve, can utilize manual mode to realize opening and close of pneumatic valve moreover when pneumatic means damages to improved the utility model discloses the practicality of pneumatic valve.

As shown in fig. 1 to 4, a sealing ring 1081 matched with the piston rod 108 is fixedly connected to the top of the sealing partition 103 corresponding to the position of the piston rod 108.

By adopting the technical scheme, the tightness of the piston rod 108 in the sliding process on the sealing partition plate 103 is improved.

As shown in fig. 1-4, a drainage sloping plate 1021 is fixedly connected to the bottom of the inner wall of the liquid inlet pipe 101 and corresponds to the position of the liquid outlet 102.

Through adopting above-mentioned technical scheme, increased the inside fluid outflow of valve casing 1 convenient and thorough.

As shown in fig. 1-4, a pressing pad is fixedly connected to the top of the pressing block 2023.

By adopting the technical scheme, the convenience and comfort of pressing the pressing block 2023 are increased

As shown in fig. 1 to 4, a gasket 21 matched with the valve housing 1 is fixedly connected to the edge of the bottom of the valve cover 2, and the bottom of the valve cover 2 is hermetically connected with the top of the valve housing 1 through the gasket 21.

Through adopting above-mentioned technical scheme, leakproofness when having increased valve gap 2 and valve casing 1 and being connected.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

The utility model provides a pneumatic drive control valve, during the use, input atmospheric pressure to the valve casing 1 inside through intake pipe 201 to can promote piston plate 107 to move down, and then can drive sealed end cap 109 through piston rod 108 and plug up the opening on the valve seat 104, thereby realize closing of pneumatic valve, and when atmospheric pressure stopped the input, under the spring action of reset spring 106 self, can drive piston plate 107 and reset, thereby make sealed end cap 109 break away from the opening on the valve seat 104, and then realize the intercommunication of pneumatic valve; when pneumatic means appears damaging, can press down the stripper rod 2022 through pressing the briquetting 2023 to can extrude piston plate 107, and then drive the opening on sealed end cap 109 plugs up the disk seat 104, thereby realize closing of pneumatic valve, stop when pressing the briquetting 2023, under the spring action of reset spring 106 self, can drive piston plate 107 and reset, thereby make sealed end cap 109 break away from the opening on the disk seat 104, and then realize the intercommunication of pneumatic valve.

In summary, the following steps: the pneumatic driving control valve is composed of a valve casing 1, a valve cover 2 and a liquid outlet pipe 3, and solves the problems mentioned in the background technology.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A pneumatically actuated control valve, comprising:

the valve comprises a valve shell (1) and a valve cover (2) arranged at the top of the valve shell (1);

the sealing device comprises a valve shell (1), a liquid inlet pipe (101) is installed on the side face of the valve shell (1), a liquid outlet (102) is formed in the bottom of the liquid inlet pipe (101), a liquid outlet pipe (3) is installed at the position, corresponding to the liquid outlet (102), of the bottom of the liquid inlet pipe (101), a sealing partition plate (103) is fixedly connected to the inner wall of the liquid inlet pipe (101), a valve seat (104) is fixedly connected to the bottom of the sealing partition plate (103) inside the liquid inlet pipe (101) and located at the bottom of the liquid inlet pipe (101), mounting seats (105) are fixedly connected to the two sides of the inner wall of the liquid inlet pipe (101), return springs (106) are fixedly connected to the tops of the mounting seats (105), the tops of the two return springs (106) are fixedly connected through piston plates (107), a piston rod (108) is fixedly connected to the center of the bottom of the piston plates (107), the bottom of the piston rod (108) movably penetrates through the sealing partition plate (103) and extends to the lower portion of the sealing partition plate (103), a sealing plug (109) is fixedly connected to the bottom of the sealing partition plate (103), a through hole (109) is formed in the top of the valve seat (104) and corresponds to the position of the sealing plug (109), and a through hole matched with the sealing plug (109) is formed in the side face of the sealing plug (101), and a through hole is formed in the top of the liquid inlet pipe (110) is formed in the side face of the liquid inlet pipe (101);

an air inlet pipe (201) is installed on one side of the top of the valve cover (2), and a manual assembly (202) is further installed on the top of the valve cover (2);

the manual assembly (202) comprises a sliding seat (2021) fixedly connected to the top of the valve cover (2), an extrusion rod (2022) is connected to the sliding seat (2021) in a sliding manner, a pressing block (2023) is fixedly connected to the top of the extrusion rod (2022), and a spring (2024) is sleeved on the extrusion rod (2022) between the pressing block (2023) and the sliding seat (2021).

2. A pneumatically actuated control valve according to claim 1, wherein: the top of the sealing partition plate (103) is fixedly connected with a sealing ring (1081) matched with the piston rod (108) at a position corresponding to the piston rod (108).

3. A pneumatically actuated control valve according to claim 2, wherein: and a drainage inclined plate (1021) is fixedly connected to the bottom of the inner wall of the liquid inlet pipe (101) and corresponds to the position of the liquid outlet (102).

4. A pneumatically actuated control valve according to claim 3, wherein: the top of the pressing block (2023) is fixedly connected with a pressing pad.

5. A pneumatically actuated control valve according to claim 4, wherein: the edge fixedly connected with of valve gap (2) bottom with valve casing (1) assorted sealed pad (21).

6. A pneumatically actuated control valve according to claim 5, wherein: the bottom of the valve cover (2) is connected with the top of the valve shell (1) in a sealing mode through the sealing gasket (21).