CN211039763U - A high temperature and high pressure hard sealing ball valve - Google Patents

Abstract

The utility model discloses a high-temperature and high-pressure hard-sealing ball valve, comprising a first valve body, a first flange is fixedly installed on one side surface of the first valve body, and the other side surface of the first valve body is fixed A first connecting plate is installed, a second valve body is fixedly installed on one side of the first valve body, a second flange is fixedly installed on one side surface of the second valve body, and the second valve body is fixedly installed. A second connecting plate is fixedly installed on the other side surface; a fixing plate is fixedly installed on the upper end of the first valve body, and a packing pressure plate is fixedly installed on the upper surface of the fixing plate; The material of the valve body and the ball body is made of heat-resistant steel, which has the function of high temperature and high pressure resistance. By setting two sealing rings inside the first valve body, the sealing performance of the ball valve can be improved, and between the first valve body and the second valve body The first connecting plate and the second connecting plate are used for fixing, which is convenient for users to clean the inside of the valve.

Description

A high temperature and high pressure hard sealing ball valve

technical field

The utility model relates to the technical field of valves, in particular to a high temperature and high pressure hard sealing ball valve.

Background technique

Ball valve, the opening and closing part (ball) is driven by the valve stem and rotates around the axis of the ball valve. It can also be used for fluid regulation and control. Among them, the hard-sealed V-shaped ball valve has a strong shear force between the V-shaped ball core and the metal valve seat of hard alloy surfacing, which is especially suitable for fibers and tiny solid particles. etc. medium. The multi-port ball valve on the pipeline can not only flexibly control the confluence, diversion, and switching of the flow direction of the medium, but also can close any channel and connect the other two channels.

The patent document (CN204739246U) discloses a ball valve, including a ball valve body, an air inlet pipe and an air outlet pipe are installed on the ball valve body, a ball body is installed inside the ball valve body, and a first through hole is opened inside the ball body, and the ball valve body is provided with a first through hole. A fixing groove is formed on the ball body; a cross section is formed on one side of the ball valve body, and a second through hole is formed on the cross-section; a connecting rod is installed in the fixing groove, and an integrally manufactured and manufactured part is installed in the middle of the connecting rod. A fixing ring is formed, a connecting rod on one side of the fixing ring is provided with a thread, and a fixing pin is installed on the end of the fixing ring away from the thread, and the fixing pin is connected with the fixing groove. A fixing nut is movably installed on the connecting rod through a thread. In the ball valve of the utility model, the connecting rod and the valve ball are connected by a fixing pin, which is convenient for disassembly and repair of the ball valve; However, the ball valve does not have the function of high temperature and high pressure resistance, and the sealing performance is not very good, which is inconvenient for operators to clean the inside of the valve.

Utility model content

The utility model provides a high temperature and high pressure hard sealing ball valve, which mainly solves the following technical problems:

In the utility model, the material of the first valve body, the second valve body and the ball body is made of heat-resistant steel, which has the function of resisting high temperature and high pressure. By arranging two sealing rings inside the first valve body, the sealing performance of the ball valve can be improved. The first valve body and the second valve body are fixed by the first connecting plate and the second connecting plate, which is convenient for the user to clean the inside of the valve.

The purpose of the present utility model can be achieved through the following technical solutions:

A high-temperature and high-pressure hard-sealed ball valve, comprising a first valve body, a first flange is fixedly installed on one side surface of the first valve body, and a first connection is fixedly installed on the other side surface of the first valve body A second valve body is fixedly installed on one side of the first valve body, a second flange is fixedly installed on one side surface of the second valve body, and the other side surface of the second valve body is fixed A second connection board is installed;

A fixing plate is fixedly installed on the upper end of the first valve body, a packing pressure plate is fixedly installed on the upper surface of the fixing plate, a second fixing bolt is fixedly installed between the fixing plate and the packing pressure plate, and the upper surface of the packing pressure plate is fixedly installed. A wrench is rotatably installed on the surface, the middle part of the wrench runs through a valve stem extending into the first valve body, a packing sleeved on the valve stem is arranged under the packing pressure plate, and the arc side of the valve stem is fixedly installed There is a packing pressure sleeve, the arc side surface of the valve stem is sleeved with a valve stem pad that is in contact with the inner wall of the top end of the first valve body, and a ball is fixedly installed at the lower end of the valve stem.

Further, a positioning block is arranged between the packing pressing plate and the wrench.

Further, the rotation angle range of the wrench is 0-360°.

Further, the material of the first valve body, the second valve body and the sphere is heat-resistant steel.

Further, the inner wall of the first valve body is fixedly installed with two sealing rings that are in contact with the sphere.

Further, a first fixing bolt is fixedly installed between the second connecting plate and the first connecting plate, and a first connecting plate and a second connecting plate are fixedly installed between the first valve body and the second flange. .

Further, the inside of the sphere is provided with a through hole.

The beneficial effects of the present utility model:

In the utility model, the material of the first valve body, the second valve body and the ball is made of heat-resistant steel, which has the function of resisting high temperature and high pressure, and the first connecting plate and the second connecting plate are used between the first valve body and the second valve body. Fixed, it is convenient for the user to clean the inside of the valve, the first connecting plate and the second connecting plate are fixed by the first fixing bolt;

By arranging two sealing rings inside the first valve body, the sealing performance of the ball valve can be improved, and the rotating wrench drives the valve stem to rotate, thereby driving the ball at the lower end of the valve stem to rotate, so that the through hole on the ball is connected to the first valve body, The two valve bodies are connected, so that the ball valve is opened. When it needs to be closed, turn the wrench to rotate the through hole of the ball body by 90 degrees.

Description of drawings

The utility model will be further described below in conjunction with the accompanying drawings.

Fig. 1 is the structural representation of a kind of high temperature and high pressure hard sealing ball valve of the present invention;

Fig. 2 is the front sectional view of the present utility model;

Fig. 3 is a side sectional view of the present invention.

In the figure: 1, the first valve body; 2, the first flange; 3, the first connecting plate; 4, the first fixing bolt; 5, the second flange; 6, the second valve body; 7, the first Two connecting plate; 8, the second fixing bolt; 9, positioning block; 10, packing pressure plate; 11, wrench; 12, valve stem; 13, sealing ring; 14, valve stem gasket; 15, packing pressure sleeve; 16, packing ; 17, sphere; 18, through hole; 19, fixed plate.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, a high temperature and high pressure hard sealing ball valve includes a first valve body 1, a first flange 2 is fixedly mounted on one side surface of the first valve body 1, and the first valve body 1 is A first connecting plate 3 is fixedly installed on the other side surface of the body 1, a second valve body 6 is fixedly installed on one side of the first valve body 1, and a first valve body 6 is fixedly installed on one side surface of the second valve body 6. Two flanges 5, a second connecting plate 7 is fixedly installed on the other side surface of the second valve body 6;

A fixing plate 19 is fixedly installed on the upper end of the first valve body 1 , a packing pressure plate 10 is fixedly installed on the upper surface of the fixing plate 19 , and a second fixing bolt 8 is fixedly installed between the fixing plate 19 and the packing pressure plate 10 . , a wrench 11 is rotatably installed on the upper surface of the packing pressure plate 10, the middle of the wrench 11 penetrates the valve stem 12 that extends into the first valve body 1, and the bottom of the packing pressure plate 10 is provided with a valve stem sleeved 12 of the packing 16, the circular arc side of the valve stem 12 is fixedly installed with a packing pressure sleeve 15, and the circular arc side of the valve stem 12 is sleeved with a valve stem pad 14 in contact with the inner wall of the top end of the first valve body 1, so A ball 17 is fixedly mounted on the lower end of the valve stem 12 .

A positioning block 9 is arranged between the packing pressing plate 10 and the wrench 11 .

The rotation angle range of the wrench 11 is 0-360°.

The material of the first valve body 1 , the second valve body 6 and the ball body 17 is heat-resistant steel.

The inner wall of the first valve body 1 is fixedly mounted with two sealing rings 13 in contact with the ball body 17 .

A first fixing bolt 4 is fixedly installed between the second connecting plate 7 and the first connecting plate 3 , and the first valve body 1 and the second flange 5 are connected by the first connecting plate 3 and the second connecting plate 3 . Plate 7 is fixedly installed.

A through hole 18 is opened inside the ball 17 .

The working principle of the utility model is:

When the utility model is in use, the rotating wrench 11 drives the valve stem 12 to rotate, thereby driving the ball body 17 at the lower end of the valve stem 12 to rotate, so that the through hole 18 on the ball body 17 communicates with the first valve body 1 and the second valve body 6, thereby When the ball valve is opened and needs to be closed, turn the wrench 11 to rotate the through hole 18 of the ball 17 by 90 degrees.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Those skilled in the art, without departing from the scope of the technical solution of the present invention, can make some changes or modifications to equivalent examples of equivalent changes by using the technical content disclosed above, provided that the technical content of the present invention is not departed from The content of the solution, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention still fall within the scope of the technical solutions of the present invention.

Claims (7)

1. The high-temperature high-pressure hard sealing ball valve is characterized by comprising a first valve body (1), wherein a first flange (2) is fixedly arranged on the surface of one side of the first valve body (1), a first connecting plate (3) is fixedly arranged on the surface of the other side of the first valve body (1), a second valve body (6) is fixedly arranged on one side of the first valve body (1), a second flange (5) is fixedly arranged on the surface of one side of the second valve body (6), and a second connecting plate (7) is fixedly arranged on the surface of the other side of the second valve body (6);

the upper end fixed mounting of first valve body (1) has fixed plate (19), the last fixed surface of fixed plate (19) installs packing plate (10), fixed mounting has second gim peg (8) between fixed plate (19) and packing plate (10), the last surface rotation of packing plate (10) installs spanner (11), valve rod (12) in first valve body (1) have been stretched into in the middle part of spanner (11), the below of packing plate (10) is provided with packs (16) of cup jointing at valve rod (12), the circular arc side fixed mounting of valve rod (12) has packing to press cover (15), the circular arc side of valve rod (12) cup jointed with valve rod pad (14) of first valve body (1) top inner wall contact, the lower extreme fixed mounting of valve rod (12) has spheroid (17).

2. A high-temperature high-pressure hard sealing ball valve according to claim 1, characterized in that a positioning block (9) is arranged between the packing pressure plate (10) and the wrench (11).

3. A high temperature and high pressure hard seal ball valve according to claim 2, wherein the rotation angle range of the wrench (11) is 0-360 °.

4. A high-temperature high-pressure hard sealing ball valve according to claim 1, characterized in that the first valve body (1), the second valve body (6) and the ball body (17) are made of heat-resistant steel.

5. A high-temperature high-pressure hard sealing ball valve according to claim 1, characterized in that two sealing rings (13) contacting with the ball body (17) are fixedly arranged on the inner wall of the first valve body (1).

6. A high-temperature high-pressure hard sealing ball valve according to claim 1, wherein a first fixing bolt (4) is fixedly installed between the second connecting plate (7) and the first connecting plate (3), and the first valve body (1) and the second flange (5) are fixedly installed through the first connecting plate (3) and the second connecting plate (7).

7. A high temperature and high pressure hard seal ball valve according to claim 1, wherein the ball body (17) is provided with a through hole (18) inside.

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