CN213871168U

CN213871168U - Pneumatic film regulating valve

Info

Publication number: CN213871168U
Application number: CN202022538720.7U
Authority: CN
Inventors: 胡国先; 戴小名; 余承善
Original assignee: Jiangsu Datian Valve Manufacturing Co ltd
Current assignee: Jiangsu Datian Valve Manufacturing Co ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-08-03
Anticipated expiration: 2030-11-05

Abstract

The utility model relates to a pneumatic control valve technical field, and a pneumatic film control valve is disclosed, which comprises a valve body, pneumatic membrane chamber and the valve rod of setting in the valve body, the symmetry is equipped with two annular pieces in the valve body, and the outer wall of two annular pieces all sets up with the inner wall fixed connection of valve body, the symmetry is equipped with two movable stoppers between two annular pieces, both sides all are equipped with the slide bar about two movable stoppers, and the both ends of two slide bars set up with the lateral wall fixed connection of two annular pieces respectively, the equal fixedly connected with slider of the upper and lower both sides wall of two movable stoppers, and the slider is established with the slide bar movable sleeve, the both sides of valve rod all are equipped with the regulation pole. The utility model discloses can carry out the closure to the both ends of valve body to improve the holistic sealed effect of device, and when the valve body was closed, be convenient for overhaul its inside, the people's of being convenient for use.

Description

Pneumatic film regulating valve

Technical Field

The utility model relates to a pneumatic governing valve technical field especially relates to a pneumatic film governing valve.

Background

The regulating valve is mainly used in industrial, environment-friendly, water treatment and high-rise building water supply and drainage pipelines and pure pipelines, and comprises an actuating mechanism and a valve component, wherein the actuating mechanism is a thrust component of the regulating valve and generates corresponding thrust according to the pressure of a control signal to push the regulating mechanism to act, and the valve body is a regulating component of a pneumatic regulating valve and is directly contacted with a regulating medium to regulate the flow.

Pneumatic film governing valve among the prior art is closed the valve body through single piston head in the use more, and sealed effect is not good, and need discharge the medium in the pipeline when overhauing valve body inside, and is more troublesome, the use of the people of not being convenient for.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the pneumatic membrane governing valve among the prior art and closing the valve body through single piston head in the use more, sealed effect is not good, and need discharge the medium in the pipeline when overhauing valve body inside, and is more troublesome, the problem that people used not convenient for, and the pneumatic membrane governing valve that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a pneumatic membrane regulating valve comprises a valve body, a pneumatic membrane chamber and a valve rod arranged in the valve body, wherein two annular blocks are symmetrically arranged in the valve body, the outer walls of the two annular blocks are fixedly connected with the inner wall of the valve body, two movable plugs are symmetrically arranged between the two annular blocks, slide rods are arranged on the upper side and the lower side of each movable plug, the two ends of each slide rod are fixedly connected with the side walls of the two annular blocks respectively, slide blocks are fixedly connected with the upper side wall and the lower side wall of each movable plug respectively, the slide blocks are movably sleeved with the slide rods, regulating rods are arranged on the two sides of the valve rod respectively, the two ends of each regulating rod are rotatably connected with fixed blocks through fixed shafts, the side walls of every two fixed blocks are fixedly connected with the side walls of the valve rod and the side walls of the movable plugs respectively, an opening is formed in the bottom of the valve body, and a T-shaped cover plate is arranged in the opening, the T-shaped cover plate is fixedly connected with the valve body through a plurality of bolts.

Preferably, the top fixedly connected with locating lever of T type apron, the bottom of valve rod set up with locating lever assorted constant head tank, and be equipped with the spring in the constant head tank, the both ends of spring respectively with the one end of locating lever and the tank bottom counterbalance setting of constant head tank.

Preferably, the inner walls of the two annular blocks are provided with arc-shaped openings, and the side walls of the arc-shaped openings are fixedly provided with sealing gaskets.

Preferably, the outer walls of the two ends of the valve body are fixedly sleeved with flange plates.

Preferably, every the lateral wall of fixed block all seted up with adjust the spacing logical groove of pole assorted, and per two spacing logical grooves are crisscross setting.

Preferably, the two sliding rods are respectively arranged with the valve rod and the positioning rod in a staggered manner.

Compared with the prior art, the utility model provides a pneumatic membrane governing valve possesses following beneficial effect:

1. this pneumatic membrane governing valve through valve rod, pneumatic membrane chamber, two annular pieces, two movable plugs, two regulation poles and a plurality of fixed blocks that are equipped with, can close the both ends of valve body to improve the holistic sealed effect of device.

2. This pneumatic film governing valve through the T type apron and a plurality of bolt that are equipped with, can overhaul its inside when the valve body closes, the people's of being convenient for use.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can carry out the closure to the both ends of valve body to improve the holistic sealed effect of device, and when the valve body was closed, be convenient for overhaul its inside, the people's of being convenient for use.

Drawings

Fig. 1 is a schematic structural view of a pneumatic diaphragm regulating valve according to the present invention;

fig. 2 is an enlarged view of a portion a of fig. 1.

In the figure: the pneumatic valve comprises a valve body 1, a pneumatic membrane chamber 2, a valve rod 3, an annular block 4, a movable plug 5, a sliding rod 6, a sliding block 7, an adjusting rod 8, a fixed shaft 9, a fixed block 10, a T-shaped cover plate 11, a bolt 12, a positioning rod 13, a spring 14, a sealing gasket 15 and a flange 16.

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.

Referring to fig. 1-2, a pneumatic membrane control valve comprises a valve body 1, a pneumatic membrane chamber 2 and a valve rod 3 arranged in the valve body 1, wherein two annular blocks 4 are symmetrically arranged in the valve body 1, the outer walls of the two annular blocks 4 are fixedly connected with the inner wall of the valve body 1, two movable plugs 5 are symmetrically arranged between the two annular blocks 4, slide rods 6 are arranged on the upper and lower sides of the two movable plugs 5, the two ends of each slide rod 6 are fixedly connected with the side walls of the two annular blocks 4, the upper and lower side walls of each movable plug 5 are fixedly connected with a slide block 7, the slide blocks 7 are movably sleeved with the slide rods 6, adjusting rods 8 are arranged on the two sides of the valve rod 3, the two ends of each adjusting rod 8 are rotatably connected with fixed blocks 10 through fixed shafts 9, the side walls of each two fixed blocks 10 are fixedly connected with the side walls of the valve rod 3 and the side walls of the movable plugs 5, an opening is arranged at the bottom of the valve body 1, and the opening is internally provided with a T-shaped cover plate 11, and the T-shaped cover plate 11 is fixedly connected with the valve body 1 through a plurality of bolts 12.

T type apron 11's top fixedly connected with locating lever 13, valve rod 3's bottom seted up with locating lever 13 assorted constant head tank, and be equipped with spring 14 in the constant head tank, spring 14's both ends respectively with the one end of locating lever 13 and the tank bottom of constant head tank offset the setting, through locating lever 13 and the spring 14 that is equipped with, can improve the stability that valve rod 3 removed.

The arc mouth has all been seted up to the inner wall of two annular pieces 4, and the fixed seal gasket 15 that is equipped with of lateral wall of arc mouth improves the leakproofness between activity stopper 5 and the annular piece 4.

The outer walls of the two ends of the valve body 1 are fixedly sleeved with flange plates 16, so that the valve body 1 can be conveniently connected.

The lateral wall of every fixed block 10 all seted up with adjust the spacing logical groove of pole 8 assorted, and per two spacing logical grooves are crisscross setting, can prescribe a limit to the turned angle of adjusting the pole 8, and then the stability that tight is supported with annular piece 4 to activity stopper 5.

Two slide bars 6 set up with valve rod 3 and locating lever 13 crisscross each other respectively, prevent that slide bar 6 from influencing the work of valve rod 3 and locating lever 13.

The utility model discloses in, during the use, through the pneumatic membrane chamber 2 that is equipped with, can drive valve rod 3 downstream, regulation pole 8 that the rethread was equipped with, valve rod 3 downstream can drive regulation pole 8 and rotate, and promote two activity stopper 5 and remove, and make slider 7 on the activity stopper 5 slide on slide bar 6, guarantee the stability that activity stopper 5 removed, when valve rod 3 removed to the assigned position, activity stopper 5 offsets with annular block 4 and sets up, and then can close the both ends of valve body 1, improve the sealed effect of valve body 1, and through bolt 12 and the T type apron 11 that are equipped with, can dismantle T type apron 11 when valve body 1 is closed, and then be convenient for maintain 1 inside the valve body, the people's of being convenient for use.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A pneumatic membrane regulating valve comprises a valve body (1), a pneumatic membrane chamber (2) and a valve rod (3) arranged in the valve body (1), and is characterized in that two annular blocks (4) are symmetrically arranged in the valve body (1), the outer walls of the two annular blocks (4) are fixedly connected with the inner wall of the valve body (1), two movable plugs (5) are symmetrically arranged between the two annular blocks (4), slide rods (6) are arranged on the upper side and the lower side of each movable plug (5), the two ends of each slide rod (6) are fixedly connected with the side walls of the two annular blocks (4), slide blocks (7) are fixedly connected with the upper side wall and the lower side wall of each movable plug (5), the slide blocks (7) are movably sleeved with the slide rods (6), adjusting rods (8) are arranged on the two sides of the valve rod (3), and fixing blocks (10) are rotatably connected with the two ends of each adjusting rod (8) through fixing shafts (9), every two the lateral wall of fixed block (10) sets up with the lateral wall of valve rod (3) and the lateral wall fixed connection of activity stopper (5) respectively, the opening has been seted up to the bottom of valve body (1), and is equipped with T type apron (11) in the opening, T type apron (11) set up through a plurality of bolts (12) and valve body (1) fixed connection.

2. The pneumatic membrane regulating valve according to claim 1, wherein a positioning rod (13) is fixedly connected to the top of the T-shaped cover plate (11), a positioning groove matched with the positioning rod (13) is formed in the bottom of the valve rod (3), a spring (14) is arranged in the positioning groove, and two ends of the spring (14) are respectively abutted to one end of the positioning rod (13) and the bottom of the positioning groove.

3. The pneumatic membrane regulating valve according to claim 1, wherein the inner walls of the two annular blocks (4) are provided with arc-shaped openings, and the side walls of the arc-shaped openings are fixedly provided with sealing gaskets (15).

4. The pneumatic diaphragm regulating valve according to claim 1, wherein flanges (16) are fixedly sleeved on the outer walls of the two ends of the valve body (1).

5. The pneumatic membrane regulating valve according to claim 1, wherein the side wall of each fixing block (10) is provided with a limiting through groove matched with the regulating rod (8), and each two limiting through grooves are arranged in a staggered manner.

6. Pneumatic membrane-regulating valve according to claim 1, characterized in that the two slide rods (6) are arranged staggered with respect to the valve stem (3) and the positioning rod (13), respectively.