CN212055875U

CN212055875U - High-performance pneumatic full-lining butterfly valve

Info

Publication number: CN212055875U
Application number: CN202020285654.4U
Authority: CN
Inventors: 王斌; 张祥; 孟庆银
Original assignee: Jiangsu Ming Jiang Valve Co ltd
Current assignee: Jiangsu Ming Jiang Valve Co ltd
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2020-12-01
Anticipated expiration: 2030-03-10

Abstract

The utility model discloses a pneumatic full lining butterfly valve of high performance, pneumatic actuator top is equipped with signal receiver, the valve body includes valve body and lower valve body, go up valve body below both ends and valve body top both ends down through first bolt fixed connection, the upper end of going up the valve body is equipped with the packing box, the upper end of going up the valve rod stretches out the valve body and is connected with pneumatic actuator, go up the valve rod and be connected on last valve body and lower valve body with the rotatable formula's of valve rod difference sealing connection down, the butterfly plate is located between valve rod and the lower valve rod, all be equipped with the sealing rubber circle on the inside wall of going up the valve body and lower valve body, the upper end of going up the valve body is equipped with first lug, the lower extreme of valve body is equipped with the second lug down, first bolt hole has been seted up on the first lug, the. The utility model discloses a mutually supporting between pneumatic actuator, signal receiver, valve body, butterfly plate, the last valve rod of pneumatic butterfly valve, lower valve rod and the packing box makes pneumatic butterfly valve have the advantage that wearing and tearing are low, prolongs pneumatic butterfly valve's life.

Description

High-performance pneumatic full-lining butterfly valve

Technical Field

The utility model relates to the technical field of valves, specifically a pneumatic full lining butterfly valve of high performance.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk. The butterfly valve is a valve which uses a disc type opening and closing piece to rotate back and forth by about 90 degrees to open, close or adjust the medium flow. The butterfly valve has the advantages of simple structure, small volume, light weight, less material consumption, small installation size, small driving moment, simple and convenient operation and rapidness, and simultaneously has good flow regulation function and sealing closing characteristic, thereby being one of the fastest valve varieties developed in the last ten years. Butterfly valves are widely used. The variety and number of uses thereof are still continuously expanding and are developing toward high temperature, high pressure, large caliber, high sealing property, long life, excellent regulation property, and one-valve multi-function. The reliability and other performance indexes of the composite material reach higher levels. The 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. The pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved. At present, the existing pneumatic full-lining butterfly valve is affected by the working environment, the butterfly plate is easy to wear, the phenomena of leakage and the like can occur after long-term use, and the service life of the butterfly valve is short.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pneumatic full lining butterfly valve of high performance to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-performance pneumatic full-lining butterfly valve comprises a pneumatic actuator, a signal receiver, a valve body, a butterfly plate, an upper valve rod, a lower valve rod, a first bolt, a packing box, a first lug, a second lug, a first bolt hole, a second bolt hole and a sealing rubber ring, wherein the signal receiver is arranged above the pneumatic actuator, the valve body comprises an upper valve body and a lower valve body, two ends below the upper valve body are fixedly connected with two ends above the lower valve body through the first bolt, the upper valve rod is arranged above the upper valve body, the packing box is arranged at the upper end of the upper valve body, the upper end of the upper valve rod penetrates through the packing box, the upper end of the upper valve rod extends out of the upper valve body to be connected with the pneumatic actuator, the lower valve rod is arranged below the lower valve body, and the upper valve rod and the lower valve rod are respectively rotatably and hermetically connected to the upper valve body and the lower valve body, the butterfly plate is arranged between the upper valve rod and the lower valve rod, the inner side wall of the upper valve body and the inner side wall of the lower valve body are both provided with sealing rubber rings, the upper end of the upper valve body is provided with a first lug, the lower end of the lower valve body is provided with a second lug, the first lug is provided with a first bolt hole, and the second lug is provided with a second bolt hole.

Preferably, the middle of the lower surface of the pneumatic actuator is provided with a connecting block, the middle of the connecting block is provided with a through hole, and two sides of the lower surface of the connecting block are provided with first threaded holes.

Preferably, the through hole is matched with the upper end of the upper valve rod.

Preferably, second threaded holes are formed in two sides of the upper surface of the upper valve body.

Preferably, the second bolt penetrates through the second threaded hole and is connected with the first threaded hole in a screwing mode.

Preferably, the stuffing box is internally provided with sealing stuffing.

Preferably, two groups of first bolt holes are arranged, and the first bolt holes are respectively arranged on two sides of the first lug.

Preferably, two groups of second bolt holes are arranged, and the second bolt holes are respectively arranged on two sides of the second lug.

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

(1) the utility model discloses a mutually supporting between pneumatic actuator, signal receiver, valve body, butterfly plate, the last valve rod of pneumatic butterfly valve, lower valve rod and the packing box makes pneumatic butterfly valve have the advantage that wearing and tearing are low, prolongs pneumatic butterfly valve's life.

(2) The utility model discloses a set up first lug at last valve body both ends, the valve body both ends set up the second lug under, and have first bolt hole and second bolt hole on first lug and the second lug respectively for valve body compact structure makes and installs more conveniently.

(3) The utility model discloses a set up the sealing rubber circle at last valve body and lower valve body inner wall, when reaching sealed effect for the device is more wear-resisting at the operation in-process.

(4) The utility model discloses a set up the packing box in last valve rod department, the sealing packing in the packing box protects last valve rod to the resistance that the valve rod produced because of the rotation is gone up in the reduction.

Drawings

FIG. 1 is an overall structure diagram of a pneumatic full-lining butterfly valve;

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

In the figure: 1-a pneumatic actuator; 2-a signal receiver; 3-a valve body; 4-a butterfly plate; 5-upper valve rod; 6-lower valve stem; 7-a first bolt; 8-stuffing box; 9-a first lug; 10-a second lug; 11-a first bolt hole; 12-a second bolt hole; 13-connecting block; 14-a through hole; 15-a first threaded hole; 16-a second threaded hole; 17-a second bolt; 18-sealing rubber ring; 31-an upper valve body; 32-lower valve body.

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.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a high-performance pneumatic full-lining butterfly valve comprises a pneumatic actuator 1, a signal receiver 2, a valve body 3, a butterfly plate 4, an upper valve rod 5, a lower valve rod 6, a first bolt 7, a stuffing box 8, a first lug 9, a second lug 10, a first bolt hole 11, a second bolt hole 12 and a sealing rubber ring 18, wherein the signal receiver 2 is arranged above the pneumatic actuator 1, the valve body 3 comprises an upper valve body 31 and a lower valve body 32, two ends below the upper valve body 31 are fixedly connected with two ends above the lower valve body 32 through the first bolt 7, the upper valve rod 5 is arranged above the upper valve body 31, the stuffing box 8 is arranged at the upper end of the upper valve body 31, sealing stuffing is arranged in the stuffing box 8, the stuffing box 8 is arranged at the upper valve rod 5, the sealing stuffing in the stuffing box 8 protects the upper valve rod 5 and reduces the resistance of the upper valve rod 5 caused by rotation, the upper end of the upper valve rod 5 penetrates through the stuffing box 8, the upper end of the upper valve rod 5 extends out of the upper valve body 31 to be connected with the pneumatic actuator 1, the middle part of the lower surface of the pneumatic actuator 1 is provided with a connecting block 13, the middle part of the connecting block 13 is provided with a through hole 14, two sides of the lower surface of the connecting block 13 are provided with first threaded holes 15, the through hole 14 is matched with the upper end of the upper valve rod 5, two sides of the upper surface of the upper valve body 31 are provided with second threaded holes 16, a second bolt 17 penetrates through the second threaded holes 16 to be connected with the first threaded holes 15 in a screwing manner, the lower valve rod 6 is arranged below the lower valve body 32, the upper valve rod 5 and the lower valve rod 6 are respectively connected on the upper valve body 31 and the lower valve body 32 in a sealing manner in a rotating manner, a butterfly plate 4 is arranged between the upper valve rod 5 and the lower valve rod 6, sealing rubber rings 18 are arranged on the inner side walls of the upper valve, go up the upper end of valve body 31 and be equipped with first lug 9, the lower extreme of lower valve body 32 is equipped with second lug 10, first bolt hole 11 has been seted up on first lug 9, first bolt hole 11 is equipped with two sets ofly, first bolt hole 11 is located the both sides of first lug 9 respectively, second bolt hole 12 has been seted up on the second lug 10, second bolt hole 12 is equipped with two sets ofly, second bolt hole 12 is located the both sides of second lug 10 respectively, through setting up first lug 9 at last valve body 31 both ends, valve body 32 both ends set up second lug 10 down, and first lug 9 and second lug have first bolt hole 11 and second bolt hole 12 respectively on 10, make valve body 3 compact structure, it is more convenient to make and install.

Application method

During the use, when signal receiver 2 receives the opening signal, pneumatic actuator 1 begins to function, make and go up valve rod 5 and lower valve rod 6 and rotate, it rotates to go up valve rod 5 inside last valve body 31, lower valve rod 6 rotates in lower valve body 32, it rotates to go up valve rod 5 and lower valve rod 6's rotation drive butterfly plate 4, make the inside of valve body 3 be in the circulation state, when signal receiver 2 receives the closing signal, pneumatic actuator 1 will go up valve rod 5 and lower valve rod 6 and rotate to initial position, and drive butterfly plate 4 and seal the space inside valve body 3.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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. The utility model provides a pneumatic full lining butterfly valve of high performance which characterized in that: the pneumatic valve comprises a pneumatic actuator (1), a signal receiver (2), a valve body (3), a butterfly plate (4), an upper valve rod (5), a lower valve rod (6), a first bolt (7), a packing box (8), a first lug (9), a second lug (10), a first bolt hole (11), a second bolt hole (12) and a sealing rubber ring (18), wherein the signal receiver (2) is arranged above the pneumatic actuator (1), the valve body (3) comprises an upper valve body (31) and a lower valve body (32), two ends below the upper valve body (31) and two ends above the lower valve body (32) are fixedly connected through the first bolt (7), the upper valve rod (5) is arranged above the upper valve body (31), the packing box (8) is arranged at the upper end of the upper valve body (31), the upper end of the upper valve rod (5) penetrates through the packing box (8), and the upper end of the upper valve rod (5) extends out of the upper valve body (31) to be connected with the pneumatic actuator (1), lower valve rod (6) are located lower valve body (32) below, go up valve rod (5) with rotatable sealing connection respectively of lower valve rod (6) is in go up valve body (31) and lower valve body (32) on, butterfly plate (4) are located go up between valve rod (5) and lower valve rod (6), go up valve body (31) with all be equipped with sealing rubber circle (18) on the inside wall of lower valve body (32), the upper end of going up valve body (31) is equipped with first lug (9), the lower extreme of lower valve body (32) is equipped with second lug (10), first bolt hole (11) have been seted up on first lug (9), second bolt hole (12) have been seted up on second lug (10).

2. A high performance pneumatic fully lined butterfly valve according to claim 1, wherein: the pneumatic actuator (1) is characterized in that a connecting block (13) is arranged in the middle of the lower surface of the pneumatic actuator, a through hole (14) is formed in the middle of the connecting block (13), and first threaded holes (15) are formed in two sides of the lower surface of the connecting block (13).

3. A high performance pneumatic fully lined butterfly valve according to claim 2, wherein: the through hole (14) is matched with the upper end of the upper valve rod (5).

4. A high performance pneumatic fully lined butterfly valve according to claim 3, wherein: and second threaded holes (16) are formed in two sides of the upper surface of the upper valve body (31).

5. A high performance pneumatic full-lined butterfly valve according to claim 4, wherein: the second bolt (17) penetrates through the second threaded hole (16) and is connected with the first threaded hole (15) in a screwing mode.

6. A high performance pneumatic fully lined butterfly valve according to claim 1, wherein: and a sealing filler is arranged in the stuffing box (8).

7. A high performance pneumatic fully lined butterfly valve according to claim 1, wherein: the first bolt holes (11) are provided with two groups, and the first bolt holes (11) are respectively arranged on two sides of the first lug (9).

8. A high performance pneumatic fully lined butterfly valve according to claim 1, wherein: two groups of second bolt holes (12) are arranged, and the second bolt holes (12) are respectively arranged on two sides of the second lug (10).