CN219588125U

CN219588125U - Flange type pneumatic butterfly valve

Info

Publication number: CN219588125U
Application number: CN202321078624.6U
Authority: CN
Inventors: 何顺青; 童海; 周家宇
Original assignee: Lishui Hongyu Valve Co ltd
Current assignee: Lishui Hongyu Valve Co ltd
Priority date: 2023-05-08
Filing date: 2023-05-08
Publication date: 2023-08-25
Anticipated expiration: 2033-05-08

Abstract

The utility model discloses a flange type pneumatic butterfly valve, which comprises a butterfly valve seat, a flange and a pneumatic mechanism shell, wherein a sealing ring is arranged on the flange, a valve cylinder is arranged on the butterfly valve seat, a handle and a second mounting seat are arranged on the valve cylinder, a first mounting seat is arranged on the pneumatic mechanism shell, and the pneumatic butterfly valve further comprises: the connecting assembly is positioned between the first mounting seat and the second mounting seat and is used for connecting the first mounting seat and the second mounting seat. The utility model has the connecting component, and the valve cylinder and the pneumatic mechanism shell are convenient and quick to install and detach.

Description

Flange type pneumatic butterfly valve

Technical Field

The disclosure relates to the technical field of pneumatic butterfly valves, in particular to a flange type pneumatic butterfly valve.

Background

The pneumatic butterfly valve consists of a pneumatic actuator and a butterfly valve. The pneumatic butterfly valve is a pneumatic valve which uses a circular butterfly plate rotating along with a valve rod to perform opening and closing, is mainly used as a cut-off valve, can also be designed to have the functions of adjusting or cutting off the valve and adjusting, and is increasingly used on low-pressure large-medium caliber pipelines. Pneumatic butterfly valve classification: stainless steel pneumatic butterfly valve, hard seal pneumatic butterfly valve, soft seal pneumatic butterfly valve, carbon steel pneumatic butterfly valve. The pneumatic butterfly valve has the main advantages of simple structure, small volume, light weight and low manufacturing cost, is particularly remarkable in characteristics, is arranged in a high-altitude dark channel, is convenient to control and operate through a two-position five-way electromagnetic valve, and can also adjust flow media.

At present, in the use process of the pneumatic butterfly valve, the connection between the pneumatic mechanism shell and the valve cylinder of the flange type pneumatic butterfly valve is complex, the installation and the disassembly are inconvenient, and the maintenance or the replacement are troublesome;

the utility model provides a current publication is CN 207161730U's patent, it discloses a pneumatic flange formula butterfly valve, including outer pole and flange mouth, the both ends at the valve body are installed to the flange mouth, the top at the intermediate position department of valve body is installed to outer pole, pneumatic means protective housing is installed to the top of outer pole, gas flow counter is installed to the top of pneumatic means protective housing, the manometer is installed to the one end of gas holder, the interior pole is installed in outer pole, the accuse position head is installed at the top of the inside of interior pole, the valve plate is installed to the below of valve rod, and the valve plate is installed inside the valve body. The top of the pneumatic device protection shell is provided with the pneumatic device protection shell, the top of the pneumatic device protection shell is provided with the gas flow counter, one end of the pneumatic device protection shell is provided with the gas storage tank, the pneumatic device protection shell is internally provided with the pneumatic machine, the pneumatic machine is connected with the gas storage tank, and the flow of gas can be accurately controlled through the gas flow counter. However, the maintenance or replacement of the pneumatic mechanism housing and the valve cylinder is troublesome;

there is a need for a flanged pneumatic butterfly valve that is easy to install and remove.

Disclosure of Invention

In view of the foregoing drawbacks or shortcomings in the prior art, it is desirable to provide a flanged pneumatic butterfly valve.

In a first aspect, the utility model provides a flange type pneumatic butterfly valve, which comprises a butterfly valve seat, a flange and a pneumatic mechanism shell, wherein a sealing ring is arranged on the flange, a valve cylinder is arranged on the butterfly valve seat, a handle and a second mounting seat are arranged on the valve cylinder, a first mounting seat is arranged on the pneumatic mechanism shell, and the flange type pneumatic butterfly valve further comprises:

the connecting assembly is positioned between the first mounting seat and the second mounting seat and is used for connecting the first mounting seat and the second mounting seat.

The connecting assembly comprises a fixed block and a screw rod, wherein the screw rod vertically penetrates through the fixed block, and the outer surface of the screw rod is in a threaded shape.

The screw rod is sleeved with a sleeve, the screw rod penetrates through the sleeve, and threads matched with the screw rod are arranged on the part, which is in contact with the screw rod, of the sleeve.

The sleeve is characterized in that moving rods are arranged on two sides of the sleeve, and the outer surfaces of the moving rods are hexagonal.

The connecting assembly further comprises two groups of connecting rods, each group of connecting rods is two, and the two groups of connecting rods are symmetrically arranged on two sides of the first mounting seat respectively.

The movable rod is connected with the connecting rod and is vertically arranged between the movable rod and the connecting rod.

The outer surface of the screw rod is also sleeved with a limiting block, and the bottom end of the limiting block is in contact with the upper surface of the fixed block.

The bottom of the screw rod is provided with a knob, and the screw rod is driven to rotate by rotating the knob.

To sum up, this technical scheme specifically discloses a flange formula pneumatic butterfly valve, has coupling assembling, sleeve, movable rod and connecting rod move downwards along the vertical axis direction of lead screw to drive the second mount pad on the connecting rod and move to the direction that first mount pad was located, tight connection under the effect of seal ring between second mount pad and the first mount pad. Under the cooperation of screw rod and telescopic threaded connection to and stopper and knob all with fixed block in close contact and make the difficult spontaneous rotatory circumstances of screw rod, be difficult for taking place to drop between first mount pad and the second mount pad. When the screw rod is rotated to the position that the sleeve falls off from the upper end of the screw rod, the first mounting seat and the second mounting seat are separated, and the valve cylinder and the pneumatic mechanism shell are convenient to detach.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:

FIG. 1 is a schematic diagram of the overall structure of a flange type pneumatic butterfly valve.

FIG. 2 is a schematic diagram of a connection assembly in a flanged pneumatic butterfly valve.

FIG. 3 is a front view of a connection assembly in a flanged pneumatic butterfly valve.

Reference numerals in the drawings: 1. butterfly valve seat; 2. a flange; 3. a seal ring; 4. a valve cylinder; 5. a handle; 6. a pneumatic mechanism housing; 7. a first mount; 8. a second mounting base; 9. a connection assembly; 10. a fixed block; 11. a connecting rod; 12. a moving rod; 13. a screw rod; 14. a sleeve; 15. a limiting block; 16. and (5) a knob.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Example 1

Referring to fig. 1 to 3, please refer to the pneumatic butterfly valve of fig. 1 to 3, including butterfly valve disk seat 1, flange 2 and pneumatic mechanism casing 6, butterfly valve disk seat 1's both ends and flange 2 fixed connection are equipped with sealing washer 3 on the flange 2, be equipped with valve section of thick bamboo 4 on the butterfly valve disk seat 1, butterfly valve disk seat 1 and valve section of thick bamboo 4 fixed connection, be equipped with handle 5 and second mount pad 8 on the valve section of thick bamboo 4, handle 5 and second mount pad 8 all with valve section of thick bamboo 4 fixed connection, be equipped with first mount pad 7 on the pneumatic mechanism casing 6, pneumatic mechanism casing 6 and first mount pad 7 fixed connection, first mount pad 7 and second mount pad 8 in close contact with and be equipped with the seal ring on the first mount pad 7, be equipped with embedded recess on the second mount pad 8, the seal ring is placed in the embedded recess, can the close connection when connecting between first mount pad 7 and the second mount pad 8, still include:

and the connecting component 9 is positioned between the first mounting seat 7 and the second mounting seat 8 and is used for connecting the first mounting seat 7 and the second mounting seat 8.

As shown in fig. 2 and 3, the connection assembly 9 includes a fixing block 10 and a screw 13, the screw 13 vertically passes through the fixing block 10 and an outer surface of the screw 13 is provided in a screw shape. The fixed block 10 is fixedly connected to the second mounting seat 8, the screw rod 13 is slidably connected with the fixed block 10, and the screw rod 13 can rotate in the fixed block 10. The screw rod 13 is sleeved with a sleeve 14, the screw rod 13 passes through the sleeve 14, and the part of the sleeve 14, which is in contact with the screw rod 13, is provided with threads matched with the screw rod 13. When the screw 13 rotates, the sleeve 14 moves up and down along the vertical axis direction of the screw 13. The movable rod 12 is provided on both sides of the sleeve 14, and the outer surface of the movable rod 12 is hexagonal. The sleeve 14 is fixedly connected with the movable rod 12. The connecting assembly 9 further comprises two groups of connecting rods 11, wherein each group of connecting rods 11 is two, and the two groups of connecting rods are symmetrically arranged on two sides of the first mounting seat 7 respectively. The connecting rod 11 is fixedly connected with the moving rod 12, and the connecting rod 11 is fixedly connected to the first mounting seat 7. The movable rod 12 is connected with the connecting rod 11 and is vertically arranged between the movable rod and the connecting rod. The outer surface of the screw rod 13 is also sleeved with a limiting block 15, and the bottom end of the limiting block 15 is contacted with the upper surface of the fixed block 10. The limiting block 15 is fixedly connected with the screw rod 13. The bottom end of the screw rod 13 is provided with a knob 16, and the screw rod 13 is driven to rotate by rotating the knob 16. The screw rod 13 is fixedly connected with the knob 16, the knob 16 is rotated, the screw rod 13 is driven to rotate, the sleeve 14, the moving rod 12 and the connecting rod 11 move downwards along the vertical axis direction of the screw rod 13, so that the second mounting seat 8 on the connecting rod 11 is driven to move towards the direction where the first mounting seat 7 is located, and the second mounting seat 8 is tightly connected with the first mounting seat 7 under the action of a sealing ring.

Working principle: during the use, butterfly valve disk seat 1 passes through flange 2 and external piping connection, through lifting handle 5, easily takes butterfly valve disk seat 1 and valve section of thick bamboo 4, and rotatory knob 16 drives lead screw 13 and rotates, and sleeve 14, movable rod 12 and connecting rod 11 move downwards along the vertical axis direction of lead screw 13 to drive the second mount pad 8 on the connecting rod 11 and move to the direction that first mount pad 7 is located, between second mount pad 8 and the first mount pad 7 under sealing collar's effect zonulae occludens. Under the cooperation of the threaded connection of the screw rod 13 and the sleeve 14, and the situation that the screw rod 13 is not easy to spontaneously rotate due to the fact that the limiting block 15 and the knob 16 are in close contact with the fixed block 10, falling-off is not easy to occur between the first mounting seat 7 and the second mounting seat 8. When the screw rod 13 is rotated to the position that the sleeve 14 falls off from the upper end of the screw rod 13, the first mounting seat 7 and the second mounting seat 8 are separated, and the valve cylinder 4 and the pneumatic mechanism shell 6 are convenient to detach.

The above description is only illustrative of the preferred embodiments of the present utility model and of the principles of the technology employed. It will be appreciated by persons skilled in the art that the scope of the utility model referred to in the present utility model is not limited to the specific combinations of the technical features described above, but also covers other technical features formed by any combination of the technical features described above or their equivalents without departing from the inventive concept. Such as the above-mentioned features and the technical features disclosed in the present utility model (but not limited to) having similar functions are replaced with each other.

Claims

1. The utility model provides a pneumatic butterfly valve of flange formula, includes butterfly valve disk seat (1), flange (2) and pneumatic mechanism casing (6), be equipped with sealing washer (3) on flange (2), be equipped with valve section of thick bamboo (4) on butterfly valve disk seat (1), be equipped with handle (5) and second mount pad (8) on valve section of thick bamboo (4), be equipped with first mount pad (7) on pneumatic mechanism casing (6), its characterized in that still includes:

the connecting assembly (9) is positioned between the first mounting seat (7) and the second mounting seat (8) and is used for connecting the first mounting seat (7) and the second mounting seat (8).

2. The flange-type pneumatic butterfly valve according to claim 1, wherein the connection assembly (9) comprises a fixed block (10) and a screw (13), the screw (13) vertically penetrates through the fixed block (10) and the outer surface of the screw (13) is in a threaded shape.

3. A flange-type pneumatic butterfly valve according to claim 2, characterized in that the screw (13) is provided with a sleeve (14) in a sleeved manner, the screw (13) passes through the sleeve (14) and the part of the sleeve (14) in contact with the screw (13) is provided with threads matching the screw (13).

4. A flange-type pneumatic butterfly valve according to claim 3, wherein the sleeve (14) is provided with a moving rod (12) on both sides, and the outer surface of the moving rod (12) is hexagonal.

5. The flange-type pneumatic butterfly valve according to claim 4, wherein the connecting assembly (9) further comprises two connecting rods (11), each two connecting rods (11) are symmetrically arranged on two sides of the first mounting seat (7).

6. The flange-type pneumatic butterfly valve according to claim 5, characterized in that the mobile rod (12) is connected to the connecting rod (11) and is arranged vertically therebetween.

7. The flange type pneumatic butterfly valve according to claim 2, wherein a limiting block (15) is further sleeved on the outer surface of the screw rod (13), and the bottom end of the limiting block (15) is in contact with the upper surface of the fixed block (10).

8. The flange type pneumatic butterfly valve according to claim 2, wherein a knob (16) is provided at the bottom end of the screw rod (13), and the screw rod (13) is driven to rotate by rotating the knob (16).