CN216867574U

CN216867574U - Ball valve convenient to control flow

Info

Publication number: CN216867574U
Application number: CN202220547518.7U
Authority: CN
Inventors: 陈海涵; 陈坚; 马建设; 郑盛勇; 陈海霜
Original assignee: Gaote Automatic Control Valve Co ltd
Current assignee: Gaote Automatic Control Valve Co ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-07-01
Anticipated expiration: 2032-03-14

Abstract

The utility model belongs to the technical field of ball valves, and particularly discloses a ball valve convenient for flow control, which comprises a shell, wherein a valve ball is rotatably installed in the shell, a channel is arranged in the valve ball, a valve rod is fixed at the top of the valve ball, the valve rod is inserted in an installation pipe which is in rotating fit with the valve ball, a rectangular rod which is coaxial with the valve rod is fixed at the upper end of the valve rod, a control ring which is in sliding fit with the rectangular rod is sleeved on the rectangular rod, the control ring is fixedly connected with two operation rods, an end block is fixed at the upper end of the rectangular rod, a spring is sleeved on the rectangular rod between the end block and the control ring, clamping grooves are annularly arrayed on the lower end face of the control ring, clamping blocks are annularly arrayed on the upper end face of the installation pipe, and the clamping blocks are respectively clamped in one of the clamping grooves. The utility model can conveniently control the flow of the ball valve.

Description

Ball valve convenient to control flow

Technical Field

The utility model belongs to the field of ball valves, and particularly discloses a ball valve convenient for flow control.

Background

Ball valve, the open-close piece (ball) is driven by the valve rod and rotates around the axis of the ball valve. The hard seal V-shaped ball valve can also be used for regulating and controlling fluid, wherein a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the build-up welding hard alloy have strong shearing force, and the hard seal V-shaped ball valve is particularly suitable for media containing fibers, tiny solid particles and the like. The ball valve in the prior art is inconvenient to control the flow when in use.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a ball valve for controlling flow rate, so as to solve the problems of the prior art.

In order to achieve the above purpose, the utility model provides a ball valve convenient for flow control, which comprises a shell, wherein a valve ball is rotatably installed in the shell, a channel is arranged in the valve ball, a valve rod is fixed at the top of the valve ball, the valve rod is inserted into an installation pipe which is in rotating fit with the valve ball, a rectangular rod which is coaxial with the valve rod is fixed at the upper end of the valve rod, a control ring which is in sliding fit with the rectangular rod is sleeved on the rectangular rod, the control ring is fixedly connected with two operation rods, an end block is fixed at the upper end of the rectangular rod, a spring is sleeved on the rectangular rod between the end block and the control ring, clamping grooves are formed in an annular array at the lower end face of the control ring, clamping blocks are formed in an annular array at the upper end face of the installation pipe, and the clamping blocks are respectively clamped into one of the clamping grooves.

In the above technical scheme, it is preferred, the shell includes two valve casings that the symmetry set up, two swing joint between the valve casing, the installation pipe divide into two semicircle pipes, two valve casings of two semicircle pipe difference fixed connection.

In the above technical scheme, preferably, the outer wall annular array of valve casing has the connecting block, seted up the connecting hole on the connecting block, two it is fixed through connecting bolt between the connecting block of valve casing.

In the above technical scheme, it is preferable that one side that the valve casing kept away from each other is equipped with the connecting pipe, two the one end of passageway is aimed at respectively to the connecting pipe, the one end that the valve casing was kept away from to the connecting pipe is connected with flange.

In the above technical scheme, it is preferred, two be equipped with the seal groove of bar on the valve casing one side of mutually supporting, the embedding has the sealing strip in the seal groove.

In the above technical scheme, preferably, the two operating rods form a certain included angle, the positions of the two operating rods correspond to the positions of the two ends of the channel, and the operating rods are sleeved with the protective sleeves.

Compared with the prior art, the utility model has the following beneficial effects: the rotation angle of the control ring can be controlled through the matching of the clamping block and the clamping groove, so that the rotation angle of the valve rod can be controlled, namely, the opening size of the channel in the ball valve is adjusted, and the ball valve is favorable for accurately controlling the flow of the ball valve.

Drawings

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

FIG. 2 is a cross-sectional view of the present invention;

fig. 3 is a schematic structural diagram at a in fig. 2.

In the figure: the valve comprises a valve casing 1, a sheath 2, a control ring 3, an end block 4, a spring 5, a rectangular rod 6, a mounting pipe 7, a connecting pipe 8, a connecting flange 9, a connecting bolt 10, a connecting block 11, a channel 12, a valve ball 13, a sealing groove 14, a sealing strip 15, an operating rod 16, a clamping block 17, a valve rod 18 and a clamping groove 19.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments disclosed below.

The ball valve convenient for flow control as shown in fig. 1-3 comprises a housing, a valve ball 13 is rotatably mounted in the housing, a channel 12 is arranged in the valve ball 13, a valve rod 18 is fixed at the top of the valve ball 13, the valve rod 18 is inserted into a mounting tube 7 which is rotatably matched with the valve rod 18, a rectangular rod 6 which is coaxial with the valve rod 18 is fixed at the upper end of the valve rod 18, a control ring 3 which is in sliding fit with the rectangular rod 6 is sleeved on the rectangular rod 6, the control ring 3 is fixedly connected with two operating rods 16, an end block 4 is fixed at the upper end of the rectangular rod 6, a spring 5 is sleeved on the rectangular rod 6 between the end block 4 and the control ring 3, clamping grooves 19 are arranged on the lower end face of the control ring 3, clamping blocks 17 are arranged on the upper end face of the mounting tube 7, and the clamping blocks 17 are respectively clamped in one of the clamping grooves 19. The two operating rods 16 form an included angle of 180 degrees, the positions of the two operating rods 16 correspond to the positions of the two ends of the channel 12, and the operating rods 16 are sleeved with the sheaths 2.

When the ball valve needs to be opened, the operating rod 16 is held and pulled upwards, the clamping block 17 is separated from the clamping groove 19, the operating rod 16 is loosened after the operating rod 16 is rotated to a certain angle, the control ring 3 moves downwards under the action of the spring 5, the clamping block 17 is clamped into the clamping groove 19 again, the rotation of the control ring 3 is limited, the opening state of the channel 12 can be conveniently controlled, and the flow rate is controlled. Providing the operating lever 16 with the two end positions of the channel 12 corresponding may facilitate the turning state up to the channel 12.

The shell is including two valve casings 1 that the symmetry set up, swing joint between two valve casings 1, and installation pipe 7 divide into two semicircle pipes, two valve casings 1 of two semicircle pipe difference fixed connection. The outer wall annular array of valve casing 1 has connecting block 11, has seted up the connecting hole on the connecting block 11, and is fixed through connecting bolt 10 between the connecting block 11 of two valve casings 1. One side that valve casing 1 kept away from each other is equipped with connecting pipe 8, and the one end of passageway 12 is aimed at respectively to two connecting pipes 8, and the one end that valve casing 1 was kept away from to connecting pipe 8 is connected with flange 9. The one side that two valve casings 1 mutually supported is equipped with the seal groove 14 of bar, and the embedding has sealing strip 15 in the seal groove 14. Can conveniently connect two valve casings 1 through connecting bolt 10, can increase the leakproofness through setting up sealing strip 15, can make things convenient for ball valve and outside water route system to be connected through setting up connecting pipe 8 and flange 9.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The ball valve convenient for controlling flow comprises a shell and is characterized in that a valve ball (13) is rotatably mounted in the shell, a channel (12) is arranged in the valve ball (13), a valve rod (18) is fixed at the top of the valve ball (13), the valve rod (18) is inserted in a mounting pipe (7) in rotating fit with the valve rod, a rectangular rod (6) coaxial with the valve rod is fixed at the upper end of the valve rod (18), a control ring (3) in sliding fit with the rectangular rod (6) is sleeved on the rectangular rod (6), the control ring (3) is fixedly connected with two operating rods (16), an end block (4) is fixed at the upper end of the rectangular rod (6), a spring (5) is sleeved on the rectangular rod (6) between the end block (4) and the control ring (3), a clamping groove (19) is annularly arranged on the lower end face of the control ring (3), and a clamping block (17) is annularly arranged on the upper end face of the mounting pipe (7), the clamping blocks (17) are clamped in one clamping groove (19) respectively.

2. A ball valve for controlling flow rate according to claim 1, wherein said housing comprises two valve housings (1) symmetrically arranged, two of said valve housings (1) are movably connected, and said mounting tube (7) is divided into two semicircular tubes fixedly connected to the two valve housings (1), respectively.

3. A ball valve for controlling flow rate according to claim 2, wherein the outer wall of the valve casing (1) is annularly provided with connecting blocks (11), the connecting blocks (11) are provided with connecting holes, and the connecting blocks (11) of the two valve casings (1) are fixed by connecting bolts (10).

4. A ball valve for facilitating flow control according to claim 2, wherein the valve housing (1) is provided with connecting pipes (8) at the sides remote from each other, two of the connecting pipes (8) being aligned with respective ends of the passages (12), and a connecting flange (9) being connected to the end of the connecting pipe (8) remote from the valve housing (1).

5. A ball valve convenient for controlling flow rate according to claim 2, wherein a strip-shaped sealing groove (14) is formed on the mutually matched surface of the two valve casings (1), and a sealing strip (15) is embedded in the sealing groove (14).

6. The ball valve convenient for controlling the flow rate of claim 1, wherein the two operating rods (16) form an included angle of 180 degrees, the positions of the two operating rods (16) correspond to the positions of two ends of the channel (12), and the operating rods (16) are sleeved with the sheaths (2).