CN215891454U

CN215891454U - Ball valve convenient to maintenance

Info

Publication number: CN215891454U
Application number: CN202121515527.XU
Authority: CN
Inventors: 邱明亮; 姜翠翠
Original assignee: Jiangsu Fuhua Valve Co ltd
Current assignee: Jiangsu Fuhua Valve Co ltd
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2022-02-22
Anticipated expiration: 2031-07-05

Abstract

The utility model discloses a ball valve convenient to maintain, which comprises a ball valve main body, a first valve seat, a second valve seat, a first interface sleeve head and a second interface sleeve head, wherein the first valve seat and the second valve seat are arranged on two sides of the ball valve main body; the utility model carries out modular structural design on the overall structure of the ball valve, and is convenient to disassemble and maintain; be provided with the interface pullover at disk seat one and disk seat two both ends, very big improvement with the convenience of pipeline butt joint equipment, when the ball valve broke down, also can be convenient take out the ball valve and maintain simultaneously.

Description

Ball valve convenient to maintenance

Technical Field

The utility model relates to the technical field of valves, in particular to a ball valve convenient to maintain.

Background

The opening and closing part (ball body) of the ball valve is a valve which is driven by a valve rod and rotates around the axis of the ball valve, the ball valve is mainly used for cutting off, distributing and changing the flowing direction of a medium in a pipeline, the ball valve can be closed tightly only by rotating 90 degrees and a small rotating moment, and the ball valve is suitable for being used as a switch and a cut-off valve; the ball valve is widely applied to industries such as petroleum refining, long-distance pipelines, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, steel and the like in China, and plays a significant role in national economy.

Because the ball valve is used as a throttling valve, the opening and closing frequency of the ball valve is high, the failure rate is high, most of the existing ball valves are of integrated structures, in addition, the service environment space of the ball valve is narrow, and when the ball valve fails, the maintenance is very inconvenient to implement on site, so that the problem is solved by designing the ball valve convenient to maintain.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a ball valve convenient to maintain.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a ball valve convenient to maintenance, includes ball valve main part, disk seat one, disk seat two, first interface pullover and second interface pullover, ball valve main part both sides are provided with disk seat one and disk seat two, disk seat one is close to one side fixed a plurality of first screw mouths that are provided with of ball valve main part, first screw mouth is along disk seat axis evenly distributed all around, the opposite side cover of disk seat one is equipped with first interface pullover, first interface pullover and first pipeline threaded connection, one side that disk seat two is close to ball valve main part is fixed and is provided with a plurality of second screw mouths, the second screw mouth is along disk seat two axis evenly distributed all around, the opposite side cover of disk seat two is equipped with second interface pullover, second interface pullover and second pipeline threaded connection, be provided with the bolt between first screw mouth and the second screw mouth.

Preferably, one side of the first valve seat, which is far away from the ball valve body, is fixedly provided with a circular gasket, and the first connector sleeve is sleeved on the circular gasket.

Preferably, a drawing disc is fixedly arranged at one end of the pipeline, a plurality of first screw holes are formed in the flange disc, and threads are arranged on the outer surface of the pipeline between the top end of the pipeline and the flange disc.

Preferably, one end of the first interface sleeve head is fixedly provided with a limiting ring, and the inner diameter of the limiting ring is smaller than the outer diameter of the circular ring gasket and larger than the inner diameter of the circular ring gasket.

Preferably, the inner side of the first interface sleeve head is provided with a thread line matched with the thread on the outer surface of the pipeline.

Preferably, the first interface sleeve head is provided with a plurality of second screw holes, and the second screw holes are uniformly distributed around the axis of the first interface sleeve head.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the overall structure of the ball valve is subjected to modular structural design by arranging the ball valve main body, the valve seat I and the valve seat II, so that the ball valve is convenient to disassemble and maintain; be provided with the interface pullover at disk seat one and disk seat two both ends, very big improvement with the convenience of pipeline butt joint equipment, when the ball valve broke down, also can be convenient take out the ball valve and maintain simultaneously.

Drawings

FIG. 1 is a schematic view of an installation of a ball valve according to the present invention for easy maintenance;

FIG. 2 is a schematic illustration of a disassembled structure of a ball valve for easy maintenance according to the present invention;

fig. 3 is a schematic structural diagram of a first interface socket of a ball valve convenient to maintain according to the present invention.

In the figure: the ball valve comprises a ball valve body 1, a first valve seat 2, a second valve seat 3, a first interface sleeve head 4, a first pipeline 5, a second interface sleeve head 6, a second pipeline 7, a first screw hole 8, a second screw hole 9, a bolt 10, a circular ring gasket 11, a second screw hole 41, a limiting ring 42, a first screw hole 51 and a flange plate 52.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example (b):

referring to fig. 1, fig. 1 is an installation schematic diagram of a ball valve convenient to maintain, which includes a ball valve body 1, a first valve seat 2, a second valve seat 3, a first interface sleeve 4 and a second interface sleeve 6, a valve rod is arranged at the upper end of the ball valve body 1 and used for controlling the opening and closing of the ball valve, the first valve seat 2 and the second valve seat 3 are arranged at two sides of the ball valve body 1, sealing gaskets are further arranged between the ball valve body 1 and the first valve seat 2 and between the ball valve body 1 and the second valve seat 3, and the sealing gaskets are used for sealing a connection part between the ball valve body 1 and the first valve seat 2 and between the ball valve body 1 and the second valve seat 3, so as to prevent fluid flowing through the ball valve from leaking; a plurality of first screw holes 8 are fixedly arranged on one side, close to the ball valve main body 1, of the first valve seat 2, the first screw holes 8 are uniformly distributed along the periphery of the axis of the first valve seat 2, a plurality of second screw holes 9 are fixedly arranged on one side, close to the ball valve main body 1, of the second valve seat 3, the second screw holes 9 are uniformly distributed along the periphery of the axis of the second valve seat 3, bolts 10 are arranged between the first screw holes 8 and the second screw holes 9, and the ball valve main body 1 is clamped and fixed by the first valve seat 2 and the second valve seat 3 by screwing the bolts 10 penetrating between the first screw holes 8 and the second screw holes 9; the other side of the first valve seat 2 is sleeved with a first interface sleeve head 4, a sealing gasket is arranged in the first interface sleeve head 4, the first interface sleeve head 4 is in sealing connection with a first pipeline 5, meanwhile, the other side of the second valve seat 3 is sleeved with a second interface sleeve head 6, a sealing gasket is arranged in the second interface sleeve head 6, the second interface sleeve head 6 is in sealing connection with a second pipeline 7, and the working channel of the ball valve is formed through the description.

As shown in fig. 2, it should be noted that a circular gasket 11 is further fixedly arranged on one side of the first valve seat 2, which is away from the ball valve main body 1, the first interface sleeve head 4 is sleeved on the circular gasket 11, a flange 52 is fixedly arranged at one end of the first pipeline 5, a plurality of first screw holes 51 are formed in the flange 52, threads are arranged on the outer surface of the first pipeline 5 between the top end of the first pipeline 5 and the flange 52, threads matched with the threads on the outer surface of the first pipeline 5 are arranged on the inner side of the first interface sleeve head 4, a plurality of second screw holes 41 are arranged on the first interface sleeve head 4, the second screw holes 41 are uniformly distributed around the axis of the first interface sleeve head 4, the aperture of the first screw hole 51 is communicated with the aperture of the second screw hole 41, and the first screw hole and the second screw hole can be connected and fixed through screws matched with the apertures.

As shown in fig. 3, it is worth mentioning that, the inner side of one end of the first interface sleeve head 4 is further fixedly provided with a limit ring 42, the inner diameter of the limit ring 42 is smaller than the outer diameter of the ring gasket 11 and larger than the inner diameter of the ring gasket 11, the limit ring 42 can be sleeved on one side of the ring gasket 11 close to the first valve seat 2, the transverse displacement of the first interface sleeve head 4 can be limited by the limit ring 42, only the first interface sleeve head 4 is allowed to rotate on a vertical surface, one side of the ring gasket 11 is provided with a sealing washer, the first interface sleeve head 4 is in threaded connection with the first pipeline 5 by rotating, the end of the first pipeline 5 abuts against the sealing washer, a bolt rod between the aperture of the first screw hole 51 and the second screw hole 41 is fastened, and the sealing effect between the first interface sleeve head 4 and the first pipeline 5 is improved.

The working principle is as follows: the ball valve is provided with the ball valve body 1, the valve seat I2 and the valve seat II 3, and the ball valve body 1, the valve body I2 and the valve body II 3 are fixed through the plurality of first screw holes 8 and second screw holes 9 and bolts 10 arranged on the valve body I2 and the valve body II 3, so that the assembly, disassembly and maintenance are convenient; first interface pullover 4 and second interface pullover 7 through the opposite side setting of disk seat one 2 and disk seat two 3 can realize being connected in a flexible way between ball valve and the pipeline, under the inconvenient condition of the narrow and small maintenance in ball valve usage space, dismantlement maintenance ball valve that can be convenient.

In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a number" means two or more unless specifically limited otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The ball valve convenient to maintain comprises a ball valve body (1), a first valve seat (2), a second valve seat (3), a first interface sleeve head (4) and a second interface sleeve head (6), and is characterized in that the first valve seat (2) and the second valve seat (3) are arranged on two sides of the ball valve body (1), a plurality of first screw ports (8) are fixedly arranged on one side, close to the ball valve body (1), of the first valve seat (2), the first screw ports (8) are uniformly distributed around the axis of the first valve seat (2), the first interface sleeve head (4) is sleeved on the other side of the first valve seat (2), the first interface sleeve head (4) is in threaded connection with a first pipeline (5), a plurality of second screw ports (9) are fixedly arranged on one side, close to the ball valve body (1), of the second screw ports (9) are uniformly distributed around the axis of the second valve seat (3), the opposite side cover of disk seat two (3) is equipped with second interface pullover (6), second interface pullover (6) and second pipeline (7) threaded connection, be provided with bolt (10) between first screw mouth (8) and second screw mouth (9).

2. The ball valve convenient to maintain according to claim 1, wherein a circular gasket (11) is further fixedly arranged on one side of the first valve seat (2) far away from the ball valve body (1), and the first connector sleeve head (4) is sleeved on the circular gasket (11).

3. A ball valve convenient for maintenance according to claim 1, wherein a flange (52) is fixedly arranged at one end of the first pipeline (5), a plurality of first screw holes (51) are arranged on the flange (52), and threads are arranged on the outer surface of the first pipeline (5) between the top end of the first pipeline (5) and the flange (52).

4. The ball valve convenient to maintain according to claim 1, wherein a limiting ring (42) is fixedly arranged at one end of the first interface sleeve head (4), and the inner diameter of the limiting ring (42) is smaller than the outer diameter of the annular gasket (11) and larger than the inner diameter of the annular gasket (11).

5. A service-friendly ball valve as claimed in claim 1, characterised in that the inner side of the first nipple (4) is provided with a thread adapted to the thread of the outer surface of the first pipe (5).

6. A ball valve for easy maintenance according to claim 1, characterized in that said first interface socket (4) is provided with a plurality of second threaded holes (41), said second threaded holes (41) being evenly distributed around the axis of the first interface socket (4).