CN212297860U

CN212297860U - Pneumatic O-shaped fluorine-lined ball valve

Info

Publication number: CN212297860U
Application number: CN202020721780.XU
Authority: CN
Inventors: 王建伟
Original assignee: Shanghai Bangsong Automatic Control Valve Co ltd
Current assignee: Shanghai Bangsong Automatic Control Valve Co ltd
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2021-01-05
Anticipated expiration: 2030-05-06

Abstract

The utility model discloses a pneumatic O type fluorine ball valve that lines, including pneumatic actuator body and valve body, the top intermediate position an organic whole of valve body is provided with the valve rod reference column, the top welding of valve rod reference column has the connecting plate, the pneumatic actuator body sets up the upper surface at the connecting plate, the lower surface threaded connection of connecting plate has fastening bolt, through fastening bolt fixed connection between the bottom of pneumatic actuator body and the connecting plate, one side intercommunication of valve body is provided with the inlet tube, be provided with first interface on one side circumference of inlet tube. The utility model discloses a with fastening bolt from the bottom back-out of pneumatic actuator body, can part pneumatic actuator body and connecting plate to make things convenient for pneumatic actuator body part to dismantle, conveniently maintain the pneumatic actuator body, the convenience is when valve body part leakproofness goes wrong, changes the valve body part.

Description

Pneumatic O-shaped fluorine-lined ball valve

Technical Field

The utility model belongs to the technical field of pneumatic O type fluorine ball valve that lines, concretely relates to pneumatic O type fluorine ball valve that lines.

Background

The pneumatic O-shaped fluorine-lined ball valve is mainly used for adjusting or cutting off strong corrosive media such as acid and alkali in the production process. The pneumatic O-shaped fluorine-lined ball valve is widely applied to automatic adjustment and remote control systems in the industries of food, environmental protection, light industry, petroleum, papermaking, chemical industry, light spinning, electric power and the like, and consists of a pneumatic piston type actuating mechanism and an O-shaped fluorine-lined ball valve. However, various problems still exist with the various pneumatic O-ring fluorine-lined ball valves on the market.

Although the pneumatic fluorine-lined plastic O-shaped ball valve disclosed in the publication No. CN201575184U has ideal anti-corrosion function and reliable sealing performance, the problems of the existing pneumatic fluorine-lined O-shaped ball valve are not solved: 1. the pneumatic actuator body and the valve body are inconvenient to disassemble, and the pneumatic actuator body is inconvenient to maintain; 2. the traditional pneumatic O-shaped fluorine-lined ball valve is only convenient to connect two pipes in the linear direction and is inconvenient to connect two pipes in the vertical direction, so that the pneumatic O-shaped fluorine-lined ball valve is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pneumatic O type fluorine ball valve of lining 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 pneumatic O-shaped fluorine-lined ball valve comprises a pneumatic actuating mechanism body and a valve body, wherein a valve rod positioning column is integrally arranged at the middle position of the top of the valve body, a connecting plate is welded at the top of the valve rod positioning column, the pneumatic actuating mechanism body is arranged on the upper surface of the connecting plate, a fastening bolt is in threaded connection with the lower surface of the connecting plate, the bottom of the pneumatic actuating mechanism body is fixedly connected with the connecting plate through the fastening bolt, a water inlet pipe is communicated with one side of the valve body, a first connecting port is arranged on the circumference of one side of the water inlet pipe, a water outlet pipe is communicated with the other side of the valve body, a second connecting port is arranged on the circumference of one side of the water outlet pipe, a reversing pipe is arranged at the outlet of the water outlet pipe, a convex ring is integrally arranged at one end, the inner wall of the annular groove is provided with an internal thread, the external thread is connected with the internal thread, and the circumference of the other end of the reversing pipe is provided with a third connector.

Preferably, the fastening bolts are provided with four groups, and the four groups of fastening bolts are respectively arranged on the periphery of the connecting plate.

Preferably, the outside symmetrical welding of valve rod reference column has the bracing piece, the other end welding of bracing piece is on the surface of valve body.

Preferably, the reversing pipe is of an arc structure, and the radian between two ends of the reversing pipe is 90 degrees.

Preferably, the circumference of the reversing pipe is welded with rotating blocks, and the rotating blocks are symmetrically arranged on two sides of the reversing pipe.

Preferably, the valve body is internally filled with polytetrafluoroethylene filler.

The utility model has the advantages that:

(1) the utility model discloses a with fastening bolt from the bottom back-out of pneumatic actuator body, can part pneumatic actuator body and connecting plate to make things convenient for pneumatic actuator body part to dismantle, conveniently maintain the pneumatic actuator body, the convenience is when valve body part leakproofness goes wrong, changes valve body part.

(2) The utility model discloses a set up the switching-over pipe, through external screw thread and internal screw thread relation of being connected, the convenience is carried out the dismouting to the switching-over pipe to realize connecting two pipelines on the straight line direction is anti-upward or connect two pipelines on the vertical direction.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the junction between the water outlet pipe and the reversing pipe in FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the point A in FIG. 2 according to the present invention;

FIG. 4 is a schematic structural view of the reversing tube of the present invention;

in the figure: 1. a pneumatic actuator body; 2. a valve body; 3. a valve rod positioning column; 4. a connecting plate; 5. fastening a bolt; 6. a water inlet pipe; 7. a first connection port; 8. a water outlet pipe; 9. a second connection port; 10. a reversing tube; 11. a convex ring; 12. an external thread; 13. an annular groove; 14. an internal thread; 15. a third connection port; 16. a support bar; 17. the block is rotated.

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. 1-4, the present invention provides a technical solution of a pneumatic O-shaped fluorine-lined ball valve: the pneumatic actuator comprises a pneumatic actuator body 1 and a valve body 2, a valve rod positioning column 3 is integrally arranged in the middle of the top of the valve body 2, a connecting plate 4 is welded on the top of the valve rod positioning column 3, the pneumatic actuator body 1 is arranged on the upper surface of the connecting plate 4, a fastening bolt 5 is in threaded connection with the lower surface of the connecting plate 4, the bottom of the pneumatic actuator body 1 is fixedly connected with the connecting plate 4 through the fastening bolt 5, one side of the valve body 2 is communicated with a water inlet pipe 6, a first connecting port 7 is arranged on the circumference of one side of the water inlet pipe 6, the other side of the valve body 2 is communicated with a water outlet pipe 8, a second connecting port 9 is arranged on the circumference of one side of the water outlet pipe 8, a reversing pipe 10 is arranged at the outlet of the water outlet pipe 8, a convex ring 11 is integrally, an inner thread 14 is arranged on the inner wall of the annular groove 13, the outer thread 12 is connected with the inner thread 14, and a third connecting port 15 is arranged on the circumference of the other end of the reversing pipe 10.

In order to increase the installation stability, in the present embodiment, it is preferable that four sets of fastening bolts 5 are provided, and the four sets of fastening bolts 5 are respectively provided around the connecting plate 4.

In order to increase the stability of the valve rod positioning column 3 and increase the anti-pressure effect, in this embodiment, it is preferable that the support rod 16 is symmetrically welded on the outer side of the valve rod positioning column 3, and the other end of the support rod 16 is welded on the surface of the valve body 2.

In order to facilitate the reversing, in this embodiment, it is preferable that the reversing tube 10 is configured in an arc shape, and the arc degree between the two ends of the reversing tube 10 is 90 °.

In order to facilitate the rotation of the reversing tube 10, in the present embodiment, it is preferable that the reversing tube 10 is welded with the rotating blocks 17 on the circumference thereof, and the rotating blocks 17 are symmetrically disposed on both sides of the reversing tube 10.

In order to increase the corrosion resistance of the valve body 2, in the present embodiment, it is preferable that the inside of the valve body 2 is filled with a polytetrafluoroethylene packing.

The utility model discloses a theory of operation and use flow: the utility model discloses a through unscrewing fastening bolt 5 from the bottom of pneumatic actuator body 1, can separate pneumatic actuator body 1 and connecting plate 4 to make things convenient for pneumatic actuator body 1 part to dismantle, conveniently maintain pneumatic actuator body 1, conveniently when the partial leakproofness of valve body 2 goes wrong, change valve body 2 part; when two pipelines in the vertical direction need to be connected, firstly, the reversing pipe 10 is aligned with one end of the water outlet pipe 8, then the convex ring 11 is inserted into the annular groove 13, the reversing pipe 10 is fixedly connected with the water outlet pipe 8 by utilizing the connection relation between the external thread 12 and the internal thread 14, then the first connecting port 7 and the third connecting port 15 are connected with the two pipelines, the connection of the two pipelines in the vertical direction is completed, when the two pipelines in the linear direction need to be connected, the reversing pipe 10 only needs to be rotated, the reversing pipe 10 is taken out from the water outlet pipe 8, and the first connecting port 7 and the second connecting port 9 are connected with the two pipelines, so that the connection of the two pipelines in the linear direction can be completed.

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 O type fluorine lining ball valve, includes pneumatic actuator body (1) and valve body (2), its characterized in that: a valve rod positioning column (3) is integrally arranged at the middle position of the top of the valve body (2), a connecting plate (4) is welded at the top of the valve rod positioning column (3), the pneumatic actuator body (1) is arranged on the upper surface of the connecting plate (4), a fastening bolt (5) is connected to the lower surface of the connecting plate (4) in a threaded manner, the bottom of the pneumatic actuator body (1) is fixedly connected with the connecting plate (4) through the fastening bolt (5), a water inlet pipe (6) is communicated with one side of the valve body (2), a first connecting port (7) is arranged on the circumference of one side of the water inlet pipe (6), a water outlet pipe (8) is communicated with the other side of the valve body (2), a second connecting port (9) is arranged on the circumference of one side of the water outlet pipe (8), and a reversing pipe (10) is arranged at, the one end an organic whole of switching-over pipe (10) is provided with bulge loop (11), the surface of bulge loop (11) is provided with external screw thread (12), the exit of outlet pipe (8) is provided with annular groove (13), be provided with on the inner wall of annular groove (13) internal thread (14), external screw thread (12) and internal thread (14) are connected, be provided with third connector (15) on the other end circumference of switching-over pipe (10).

2. A pneumatic O-ring fluorine lined ball valve according to claim 1 wherein: the four groups of fastening bolts (5) are arranged, and the four groups of fastening bolts (5) are respectively arranged around the connecting plate (4).

3. A pneumatic O-ring fluorine lined ball valve according to claim 1 wherein: the valve rod positioning column is characterized in that supporting rods (16) are symmetrically welded on the outer side of the valve rod positioning column (3), and the other ends of the supporting rods (16) are welded on the surface of the valve body (2).

4. A pneumatic O-ring fluorine lined ball valve according to claim 1 wherein: the reversing pipe (10) is of an arc-shaped structure, and the radian between two ends of the reversing pipe (10) is 90 degrees.

5. A pneumatic O-ring fluorine lined ball valve according to claim 1 wherein: the circumference of the reversing pipe (10) is welded with rotating blocks (17), and the rotating blocks (17) are symmetrically arranged on two sides of the reversing pipe (10).

6. A pneumatic O-ring fluorine lined ball valve according to claim 1 wherein: the valve body (2) is filled with polytetrafluoroethylene filler.