CN210623629U

CN210623629U - Multifunctional regulating valve

Info

Publication number: CN210623629U
Application number: CN201921548381.1U
Authority: CN
Inventors: 庄潇; 庄建; 戴利敏; 洪文清
Original assignee: Zhejiang Ruibang Control Valve Co Ltd
Current assignee: Zhejiang Ruibang Control Valve Co Ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-05-26
Anticipated expiration: 2029-09-18

Abstract

The utility model discloses a multifunctional regulating valve, which comprises a valve body, a valve cover, a valve rod and a flashboard, wherein the valve body is internally provided with a valve cavity, an upper end cylinder bracket of the valve cover is detachably provided with a lifting cylinder, the left end of the valve cavity is fixedly provided with a medium inflow pipe, and the right end of the medium inflow pipe is in threaded connection with a first elastic sealing valve seat; a medium outflow pipe is fixedly arranged at the right end of the valve cavity, and a second elastic sealing valve seat is in threaded connection with the left end of the medium outflow pipe; a threaded joint is integrally arranged at the right end of the valve body, an extension pipe is connected to the threaded joint in a threaded manner, a metal snakeskin pipe is integrally arranged at the right end of the extension pipe, a movable flange is integrally arranged at the end, away from the extension pipe, of the metal snakeskin pipe, and a medium outlet is axially formed in the middle of the movable flange; the length of the metal snakeskin tube is 1-10 cm. Above-mentioned technical scheme, structural design is reasonable, simple structure, disk seat change convenient operation, sealing performance are good, noise at work is little, simple to operate and the practicality is good.

Description

Multifunctional regulating valve

Technical Field

The utility model relates to the technical field of valves, concretely relates to multifunctional regulating valve.

Background

The pneumatic regulating valve takes compressed air as a power source, takes an air cylinder as an actuator, drives a valve by means of accessories such as an electric valve positioner, a converter, an electromagnetic valve, a position-retaining valve and the like, realizes switching value or proportional regulation, and receives a control signal of an industrial automatic control system to regulate a pipeline medium: flow rate, pressure, temperature, etc. The pneumatic regulating valve has the characteristics of simple control, quick response, safety and no need of adopting additional explosion-proof measures.

However, the existing pneumatic regulating valve has unreasonable structure arrangement, easy abrasion of the valve seat, poor sealing performance, easy leakage, very troublesome replacement operation of the valve seat and high working noise; and the medium inlet and the medium outlet at both ends of the existing pneumatic regulating valve are fixed and cannot be regulated, so that the installation is inconvenient and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a structural design is reasonable, simple structure, disk seat change convenient operation, sealing performance are good, noise at work is little, simple to operate and the good multi-functional governing valve of practicality.

In order to achieve the above purpose, the utility model provides a following technical scheme: a multifunctional regulating valve comprises a valve body, a valve cover, a valve rod and a gate plate, wherein a valve cavity is arranged in the valve body, the lower end of the valve rod is welded and fixed with the upper end of the gate plate, a cylinder support is vertically arranged in the middle of the upper end face of the valve cover, a lifting cylinder is detachably arranged on the cylinder support, a piston rod of the lifting cylinder is arranged downwards, a piston rod moving hole is formed in the position, aligned with the piston rod of the lifting cylinder, of the valve cover, a piston rod moving hole is formed in the position, aligned with the piston rod moving hole, of the valve cover; a medium inflow pipe is fixedly arranged at the left end of the valve cavity, a medium inflow channel is axially arranged in the medium inflow pipe, and a first elastic sealing valve seat is in threaded connection with the right end of the medium inflow pipe; a medium outflow pipe is fixedly arranged at the right end of the valve cavity, a medium outflow channel is axially arranged in the medium outflow pipe, the left end of the medium outflow pipe is in threaded connection with a second elastic sealing valve seat, the flashboard is arranged between the first elastic sealing valve seat and the second elastic sealing valve seat, the right end face of the first elastic sealing valve seat and the left end face of the flashboard form sealing, and the left end face of the second elastic sealing valve seat and the right end face of the flashboard form sealing; the left end of the valve body is integrally provided with a fixed flange, the middle part of the fixed flange is axially provided with a medium inlet, the right end of the valve body is integrally provided with a threaded joint, the threaded joint is in threaded connection with an extension pipe, the right end of the extension pipe is integrally provided with a metal snakeskin pipe, the metal snakeskin pipe is integrally provided with a movable flange deviating from the end of the extension pipe, and the middle part of the movable flange is axially provided with a medium outlet; the length of the metal snakeskin tube is 1-10 cm.

By adopting the technical scheme, the first elastic sealing valve seat is in threaded connection with the right end of the medium inflow pipe positioned in the valve cavity, the second elastic sealing valve seat is in threaded connection with the left end of the medium outflow pipe positioned in the valve cavity, the first elastic sealing valve seat and the second elastic sealing valve seat are easy to assemble and disassemble, and each elastic sealing valve seat is connected with the flashboard in a soft-hard combination mode, so that the connection is reliable, the sealing performance is good, the leakage is not easy, the noise is not easy to generate during the work, and the noise is small; the extension pipe can extend the position of the medium outlet, and the position of the medium outlet can be adjusted by bending the metal snakeskin pipe, so that the installation is convenient, and the application range is wide; the whole multifunctional regulating valve has the advantages of reasonable structural design, simple structure, convenient replacement and operation of the valve seat, good sealing performance, low working noise, convenient installation and good practicability.

The utility model discloses further set up to: the threaded joint is arranged at the left end of the extension pipe, an O-shaped sealing ring is sleeved on the threaded joint, the O-shaped sealing ring is compressed when the extension pipe is screwed tightly, and the connection part of the extension pipe and the threaded joint is sealed through the O-shaped sealing ring.

The utility model discloses still further set up to: the extension pipe, the metal coil pipe and the movable flange are integrally arranged, the extension pipe, the metal coil pipe and the movable flange are all made of stainless steel materials, and the length of the metal coil pipe is made to be 3cm long.

The utility model discloses still further set up to: the valve cavity is provided with a flashboard positioning groove below the first elastic sealing valve seat and the second elastic sealing valve seat, and at least one medium through hole is formed between the flashboard positioning groove and the medium outflow channel. Through this setting, flashboard reliable operation, unnecessary medium in the medium through-hole can discharge flashboard positioning groove plays the effect of pressure release for flashboard reliable operation.

The utility model discloses still further set up to: and a flashboard noise reduction cushion pad is fixedly bonded on the bottom surface of the flashboard positioning groove, and the thickness of the flashboard noise reduction cushion pad is 3-5 mm. Through this setting, flashboard noise reduction blotter can not only reduce flashboard bottom wearing and tearing, increase of service life, and can reduce or eliminate the noise that the flashboard produced when moving downwards.

The utility model discloses still further set up to: a first screw hole is formed in the upper right end of the medium inflow pipe, a first limiting screw penetrates through the upper end of the first elastic sealing valve seat and is aligned with the first screw hole, and the first elastic sealing valve seat is locked through the first limiting screw; and a second screw hole is formed in the upper left end of the medium outflow pipe, a second limiting screw penetrates through the upper end of the second elastic sealing valve seat aligned to the second screw hole, and the second elastic sealing valve seat is locked through the second limiting screw.

The utility model has the advantages that: compared with the prior art, the utility model has more reasonable structure, the first elastic sealing valve seat is in threaded connection with the right end of the medium inflow pipe positioned in the valve cavity, the second elastic sealing valve seat is in threaded connection with the left end of the medium outflow pipe positioned in the valve cavity, the first elastic sealing valve seat and the second elastic sealing valve seat are easy to assemble and disassemble, and each elastic sealing valve seat is connected with the flashboard in a soft-hard combination mode, the connection is reliable, the sealing performance is good, the leakage is not easy, the noise is not easy to generate during the work, and the noise is small; the extension pipe can extend the position of the medium outlet, and the position of the medium outlet can be adjusted by bending the metal snakeskin pipe, so that the installation is convenient, and the application range is wide; the whole multifunctional regulating valve has the advantages of reasonable structural design, simple structure, convenient replacement and operation of the valve seat, good sealing performance, low working noise, convenient installation and good practicability.

The invention is further described with reference to the drawings and the specific embodiments.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic view of a partial structure according to an embodiment of the present invention.

Detailed Description

In the description of the present embodiment, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", etc. appear, the indicated orientation or positional relationship thereof is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 and 2, the utility model discloses a multifunctional regulating valve, including valve body 1, valve gap 2, valve rod 3 and flashboard 4, be provided with valve pocket 11 in the valve body 1, the lower extreme of valve rod 3 and the upper end welded fastening of flashboard 4, the upper end middle part of valve gap 2 is vertically provided with a cylinder support 5, can dismantle on the cylinder support 5 and be provided with lift cylinder 6, the piston rod of lift cylinder 6 sets up down, and the position of the piston rod that valve gap 2 aims at lift cylinder 6 is provided with a piston rod movable hole 21, the lower extreme of the piston rod of lift cylinder 6 passes piston rod movable hole after with the upper end welded fastening of valve rod 3; a medium inflow pipe 12 is fixedly arranged at the left end of the valve cavity 11, a medium inflow channel 121 is axially arranged in the medium inflow pipe 12, and a first elastic sealing valve seat 7 is connected at the right end of the medium inflow pipe 12 in a threaded manner; a medium outflow pipe 13 is fixedly arranged at the right end of the valve cavity 11, a medium outflow channel 131 is axially arranged in the medium outflow pipe 13, the left end of the medium outflow pipe 13 is in threaded connection with a second elastic sealing valve seat 8, the flashboard 4 is arranged between the first elastic sealing valve seat 7 and the second elastic sealing valve seat 8, the right end face of the first elastic sealing valve seat 7 and the left end face of the flashboard 4 form a seal, and the left end face of the second elastic sealing valve seat 8 and the right end face of the flashboard 4 form a seal; a fixed flange 14 is integrally arranged at the left end of the valve body 1, a medium inlet 141 is axially arranged in the middle of the fixed flange 14, a threaded joint 15 is integrally arranged at the right end of the valve body 1, an extension pipe 9 is connected to the threaded joint 15 in a threaded manner, a metal hose 10 is integrally arranged at the right end of the extension pipe 9, a movable flange 101 is integrally arranged at the end, away from the extension pipe, of the metal hose 10, and a medium outlet 102 is axially arranged in the middle of the movable flange 101; the length of the metal snakeskin tube 10 is 1-10 cm.

Preferably, the medium inflow pipe 12 is provided integrally with the valve body 1, and the medium outflow pipe 13 is provided integrally with the valve body 1; the valve cover 2 is fixedly connected with the upper end face of the valve body 1 through a bolt, and the joint of the valve cover 2 and the valve body 1 is sealed; and the lifting cylinder 6 is fixedly connected with the cylinder bracket 5 through a bolt. And the cylinder bracket 5 is welded and fixed with the upper end surface of the valve cover 2.

For making the utility model discloses the structure sets up more rationally, as preferred, this embodiment screwed joint 15 is located extension pipe 9 left end position cover and is equipped with O type sealing washer 16, compress tightly O type sealing washer 16 when extension pipe 9 screws, make extension pipe 9 and screwed joint 15 junction constitute sealedly through O type sealing washer 16.

The extension pipe 9, the metal bellows pipe 10 and the movable flange 101 are integrally arranged, the extension pipe 9, the metal bellows pipe 10 and the movable flange 101 are all made of stainless steel materials, and the length of the metal bellows pipe 10 is made to be 3 cm.

The valve cavity 11 is provided with a shutter positioning groove 111 below the first elastic sealing valve seat 7 and the second elastic sealing valve seat 8, and at least one medium through hole 112 is arranged between the shutter positioning groove 111 and the medium outflow channel 131.

A flashboard noise reduction buffer cushion 17 is fixedly bonded on the bottom surface of the flashboard positioning groove 111, and the thickness of the flashboard noise reduction buffer cushion 17 is 3-5 mm.

A first screw hole is formed in the right upper end of the medium inflow pipe 12, a first limiting screw 18 penetrates through the upper end of the first elastic sealing valve seat 7 aligned to the first screw hole, and the first elastic sealing valve seat 7 is locked through the first limiting screw 18; the upper left end of the medium outflow pipe 13 is provided with a second screw hole, a second limit screw 19 penetrates through the upper end of the second elastic sealing valve seat 8 aligned with the second screw hole, and the second elastic sealing valve seat 8 is locked through the second limit screw 19.

The first elastic sealing valve seat 7, the second elastic sealing valve seat 8, the O-shaped sealing ring 16 and the shutter noise reduction buffer cushion 17 are all made of rubber materials or polytetrafluoroethylene materials.

In practical application, the first elastic sealing valve seat is in threaded connection with the right end of the medium inflow pipe positioned in the valve cavity, the second elastic sealing valve seat is in threaded connection with the left end of the medium outflow pipe positioned in the valve cavity, the first elastic sealing valve seat and the second elastic sealing valve seat are easy to assemble and disassemble, and each elastic sealing valve seat is connected with the flashboard in a soft-hard combination mode, so that the connection is reliable, the sealing performance is good, the leakage is not easy, the noise is not easy to generate during working, and the noise is small; the extension pipe can extend the position of the medium outlet, and the position of the medium outlet can be adjusted by bending the metal snakeskin pipe, so that the installation is convenient, and the application range is wide; the whole multifunctional regulating valve has the advantages of reasonable structural design, simple structure, convenient replacement and operation of the valve seat, good sealing performance, low working noise, convenient installation and good practicability.

The above embodiments are only used for further explanation of the present invention, and it is not understood that the present invention is limited by the protection scope of the present invention, and the technical engineers in the field are right according to the above contents of the present invention.

Claims

1. A multifunctional regulating valve comprises a valve body (1), a valve cover (2), a valve rod (3) and a gate plate (4), wherein a valve cavity (11) is arranged in the valve body (1), the lower end of the valve rod (3) is fixedly welded with the upper end of the gate plate (4), a cylinder support (5) is vertically arranged in the middle of the upper end face of the valve cover (2), a lifting cylinder (6) is detachably arranged on the cylinder support (5), a piston rod of the lifting cylinder (6) is arranged downwards, a piston rod movable hole (21) is formed in the position, aligned with the piston rod of the lifting cylinder (6), of the valve cover (2), and the lower end of the piston rod of the lifting cylinder (6) penetrates through the piston rod movable hole and is fixedly welded with the upper end of the valve; the method is characterized in that: a medium inflow pipe (12) is fixedly arranged at the left end of the valve cavity (11), a medium inflow channel (121) is axially arranged in the medium inflow pipe (12), and a first elastic sealing valve seat (7) is in threaded connection with the right end of the medium inflow pipe (12); a medium outflow pipe (13) is fixedly arranged at the right end of the valve cavity (11), a medium outflow channel (131) is axially arranged in the medium outflow pipe (13), a second elastic sealing valve seat (8) is in threaded connection with the left end of the medium outflow pipe (13), the gate plate (4) is installed between the first elastic sealing valve seat (7) and the second elastic sealing valve seat (8), the right end face of the first elastic sealing valve seat (7) and the left end face of the gate plate (4) form sealing, and the left end face of the second elastic sealing valve seat (8) and the right end face of the gate plate (4) form sealing; a fixed flange (14) is integrally arranged at the left end of the valve body (1), a medium inlet (141) is axially arranged in the middle of the fixed flange (14), a threaded connector (15) is integrally arranged at the right end of the valve body (1), an extension pipe (9) is connected to the threaded connector (15) in a threaded manner, a metal hose (10) is integrally arranged at the right end of the extension pipe (9), a movable flange (101) is integrally arranged on the metal hose (10) away from the end of the extension pipe, and a medium outlet (102) is axially arranged in the middle of the movable flange (101); the length of the metal snakeskin tube (10) is 1-10 cm.

2. The multi-function regulator valve of claim 1, wherein: the threaded joint (15) is located the left end position cover of extension pipe (9) and is equipped with O type sealing washer (16), compress tightly O type sealing washer (16) when extension pipe (9) are screwed, make extension pipe (9) and threaded joint (15) junction constitute sealedly through O type sealing washer (16).

3. A multi-function regulator valve as defined in claim 2 wherein: the extension pipe (9), the metal flexible pipe (10) and the movable flange (101) are integrally arranged, the extension pipe (9), the metal flexible pipe (10) and the movable flange (101) are made of stainless steel materials, and the length of the metal flexible pipe (10) is made to be 3cm long.

4. The multi-function regulator valve of claim 1, wherein: the valve cavity (11) is provided with a flashboard positioning groove (111) below the first elastic sealing valve seat (7) and the second elastic sealing valve seat (8), and at least one medium through hole (112) is formed between the flashboard positioning groove (111) and the medium outflow channel (131).

5. The multi-function regulator valve of claim 4, wherein: and a shutter noise reduction cushion pad (17) is fixedly bonded on the bottom surface of the shutter positioning groove (111), and the thickness of the shutter noise reduction cushion pad (17) is 3-5 mm.

6. The multi-function regulator valve of claim 5, wherein: a first screw hole is formed in the upper right end of the medium inflow pipe (12), a first limiting screw (18) penetrates through the upper end of the first elastic sealing valve seat (7) and is aligned to the first screw hole, and the first elastic sealing valve seat (7) is locked through the first limiting screw (18); the upper left end of the medium outflow pipe (13) is provided with a second screw hole, a second limiting screw (19) penetrates through the upper end of the second elastic sealing valve seat (8) and is aligned to the second screw hole, and the second elastic sealing valve seat (8) is locked through the second limiting screw (19).