CN215806415U

CN215806415U - Anti-leakage full-bore flange ball valve

Info

Publication number: CN215806415U
Application number: CN202122143127.7U
Authority: CN
Inventors: 陈宸豪
Original assignee: Jiangsu Degong Valve Technology Co ltd
Current assignee: Jiangsu Degong Valve Technology Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-02-11
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses a leakage-proof full-bore flange ball valve which comprises a valve body, flange pieces, connecting holes, an adjusting cavity, a sealing mechanism, a blocking mechanism and a control mechanism, wherein the flange pieces are welded on the outer walls of two sides of the valve body, the connecting holes are equidistantly formed in the outer walls of the flange pieces, the adjusting cavity is formed in the valve body, the sealing mechanism comprises an input groove formed in the outer wall of one side of the valve body, an output groove formed in the outer wall of one side, far away from the input groove, of the valve body and a connecting pipe welded on the inner walls of the input groove and the output groove, and the input groove and the output groove are matched with the flange. According to the utility model, the outer wall of the flange plate is provided with a plurality of connecting holes, the connecting holes are connected with the pipeline through bolts, the connecting pipes are inserted into the pipeline, the sealing sleeve seals the gap, so that the pipeline is not easy to leak, the control rod rotates to drive the telescopic pipe to rotate so as to drive the threaded rod to lift and lower, the valve body is opened or closed as required, and the piston seals the adjusting cavity to prevent the transmission medium from permeating.

Description

Anti-leakage full-bore flange ball valve

Technical Field

The utility model relates to the technical field of flange ball valves, in particular to a leakage-proof full-bore flange ball valve.

Background

A ball valve is a valve with a valve ball body as an opening and closing member. In China, 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, and plays a significant role in national economy.

At present, because straight tube flange ball valve simple structure, the function is single, after using a period, the phenomenon can appear leaking in valve rod position, and the leakproofness is poor, shortens the life of ball valve, influences normal use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a leakage-proof full-diameter flange ball valve.

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

the utility model provides a prevent leaking full latus rectum flange ball valve, includes valve body, flange piece, connecting hole, regulation chamber, sealing mechanism, blocks mechanism, control mechanism, the flange piece welds in valve body both sides outer wall, and the connecting hole equidistance is seted up in flange piece outer wall, adjusts the chamber and sets up inside the valve body, sealing mechanism including set up in the input groove of valve body one side outer wall, set up in the output groove of valve body keeping away from input groove one side outer wall, weld in the connecting pipe of input groove and output groove inner wall, input groove, output groove all with flange looks adaptation.

Preferably, the blocking mechanism comprises a liquid inlet pipe which is arranged on the inner wall of the input groove close to one side of the adjusting cavity and is communicated with the adjusting cavity, a liquid outlet pipe which is arranged on the inner wall of the output groove close to one side of the adjusting cavity and is communicated with the adjusting cavity, and a piston which is connected to the inner wall of the adjusting cavity in a sliding mode, wherein the piston is inverted L-shaped.

Preferably, the control mechanism comprises a control groove formed in the top of the valve body, a control rod rotatably mounted on the inner wall of the control groove, a telescopic pipe welded at the tail end of the control rod, and a threaded rod rotatably mounted on the inner wall of the telescopic pipe through threads, and the threaded rod is rotatably connected to the outer wall of the top of the piston through threads.

Preferably, the inner wall of the telescopic pipe is provided with an internal thread matched with the threaded rod, and the friction force between the threaded rod and the telescopic pipe is far smaller than the relative rotating force between the threaded rod and the telescopic pipe.

Preferably, the outer wall of the connecting pipe is provided with a sealing sleeve, the sealing sleeve is respectively matched with the connecting pipe and the flange plate, and the length of the sealing sleeve is smaller than that of the connecting pipe.

Preferably, adjust chamber top inner wall and be provided with sealed the pad, and sealed pad size and adjust chamber size looks adaptation, sealed pad intermediate position is opened has the hole with control lever looks adaptation.

The utility model has the beneficial effects that:

1. according to the utility model, the outer wall of the flange sheet is provided with a plurality of connecting holes, the connecting holes are connected with the pipeline through bolts, the connecting pipe is inserted into the pipeline, and the sealing sleeve seals a gap between the connecting pipe and the pipeline, so that the tightness between the valve body and the pipeline is enhanced, and the pipeline is not easy to leak;

2. thereby the control lever rotates and drives flexible pipe and rotate and make the threaded rod drive the piston and go up and down, opens or close the valve body as required, easy operation, convenient to use, and the piston seals the regulation chamber for transmission liquid can only be transmitted between feed liquor pipe and drain pipe, prevents to carry the medium infiltration, compares in traditional flange ball valve, and the leakproofness is stronger, carries the difficult seepage of medium.

Drawings

FIG. 1 is a schematic structural diagram of a main body of a leak-proof full-bore flange ball valve according to the present invention;

FIG. 2 is a schematic structural diagram of an adjusting cavity mechanism of a leakage-proof full-bore flange ball valve according to the present invention;

fig. 3 is a schematic cross-sectional structure view of a leak-proof full-bore flange ball valve according to the present invention.

In the figure: 1 valve body, 2 flange pieces, 3 connecting holes, 4 input grooves, 5 output grooves, 6 connecting pipes, 7 sealing sleeves, 8 adjusting cavities, 9 liquid inlet pipes, 10 liquid outlet pipes, 11 pistons, 12 control rods, 13 telescopic pipes, 14 threaded rods and 15 sealing gaskets.

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.

Referring to fig. 1-3, a leakage-proof full-bore flange ball valve comprises a valve body 1, flange pieces 2, connecting holes 3, an adjusting cavity 8, a sealing mechanism, a blocking mechanism and a control mechanism, wherein the flange pieces 2 are welded on the outer walls of two sides of the valve body 1, the connecting holes 3 are equidistantly arranged on the outer wall of the flange pieces 2, the adjusting cavity 8 is arranged inside the valve body 1, the sealing mechanism comprises an input groove 4, an output groove 5, a connecting pipe 6 and a sealing gasket 7, the neglect grass 4 is arranged on the outer wall of one side of the valve body 1, the output groove 5 is arranged on the outer wall of one side of the valve body 1 far away from the input groove 4, the connecting pipe 6 is welded on the inner walls of the input groove 4 and the output groove 5, the sealing gasket 7 is arranged on the outer wall of the connecting pipe 6, the sealing gasket 7 is respectively matched with the connecting pipe 6 and the flange pieces 2, the length of the sealing gasket 7 is smaller than that of the connecting pipe 6, and both the input groove 4 and the output groove 5 are matched with the flange 2, the outer wall of the flange piece 2 is provided with a plurality of connecting holes 3, the connecting holes 3 are connected with the pipeline through bolts, the connecting pipe 6 is inserted into the pipeline, and the sealing sleeve 7 seals a gap between the connecting pipe 6 and the pipeline, so that the tightness between the valve body 1 and the pipeline is enhanced, and the pipeline is not easy to leak;

the blocking mechanism comprises a liquid inlet pipe 9, a liquid outlet pipe 10 and a piston 11, the liquid inlet pipe 9 is arranged on one side of an input groove 4 close to an adjusting cavity 8, the liquid outlet pipe 10 is arranged on an inner wall of an output groove 5 close to the adjusting cavity 8, the liquid inlet pipe 9 and the liquid outlet pipe 10 are both introduced into the adjusting cavity 8, the piston 11 is connected to the inner wall of the adjusting cavity 8 in a sliding mode, the piston 11 is inverted L-shaped, the control mechanism comprises a control groove, a control rod 12, an extension pipe 13 and a threaded rod 14, the control groove is formed in the top of the valve body 1, the control rod 12 is rotatably installed in the control groove, the extension pipe 13 is welded at the tail end of the control rod 12, the threaded rod 14 is rotatably installed on the inner wall of the extension pipe 13 through threads, the threaded rod 14 is rotatably connected with the outer wall of the top of the piston 11 through threads, the inner wall of the extension pipe 13 is provided with inner threads matched with the threaded rod 14, and the friction force between the threaded rod 14 and the extension pipe 13 is far smaller than the relative rotation force between the threaded rod 14 and the extension pipe 13, adjust 8 top inner walls in chamber and be provided with sealed pad 15, and sealed pad 15 size and adjust 8 size looks adaptations in chamber, sealed pad 15 intermediate position is opened there is the hole with 12 looks adaptations of control lever, thereby control lever 12 rotates and drives flexible pipe 13 and rotate and make threaded rod 14 drive piston 11 and go up and down, open or close valve body 1 as required, and is easy to operate, high durability and convenient use, and piston 11 seals the chamber of adjusting, make transmission liquid can only transmit between feed liquor pipe and drain pipe, prevent to carry the medium infiltration, compare in traditional flange ball valve, the leakproofness is stronger, carry the difficult seepage of medium.

The working principle is as follows: according to the utility model, the outer wall of the flange piece 2 is provided with the plurality of connecting holes 3, the connecting holes 3 are connected with a pipeline through bolts, the connecting pipe 6 is inserted into the pipeline, the sealing sleeve 7 seals a gap between the connecting pipe 6 and the pipeline, the tightness between the valve body 1 and the pipeline is enhanced, the pipeline is not easy to leak, the control rod 12 rotates to drive the telescopic pipe 13 to rotate, so that the threaded rod 14 drives the piston 11 to lift, the valve body 1 is opened or closed according to needs, the operation is simple, the use is convenient, the piston 11 seals the adjusting cavity, so that transmission liquid can only be transmitted between the liquid inlet pipe and the liquid outlet pipe, and the transmission medium is prevented from permeating.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the 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 plurality" means two or more unless specifically defined 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 utility model provides a prevent leaking full latus rectum flange ball valve, includes valve body (1), flange piece (2), connecting hole (3), adjusts chamber (8), sealing mechanism, blocks mechanism, control mechanism, its characterized in that, flange piece (2) weld in valve body (1) both sides outer wall, and connecting hole (3) equidistance is seted up in flange piece (2) outer wall, adjusts chamber (8) and sets up inside valve body (1), sealing mechanism including set up in input groove (4) of valve body (1) one side outer wall, set up in output groove (5) of keeping away from input groove (4) one side outer wall in valve body (1), weld in input groove (4) and output groove (5) connecting pipe (6) of inner wall, input groove (4), output groove (5) all with flange piece (2) looks adaptation.

2. A leak-proof full-bore flange ball valve according to claim 1, characterized in that said blocking means comprises a liquid inlet pipe (9) leading into the regulation chamber (8) arranged on the inner wall of the input groove (4) near the regulation chamber (8), a liquid outlet pipe (10) leading into the regulation chamber (8) arranged on the inner wall of the output groove (5) near the regulation chamber (8), and a piston (11) slidably connected to the inner wall of the regulation chamber (8), the piston (11) being of an inverted "L" shape.

3. A leak-proof full-bore flange ball valve according to claim 1, characterized in that said control mechanism comprises a control groove opened at the top of the valve body (1), a control rod (12) rotatably mounted on the inner wall of the control groove, an extension tube (13) welded to the end of the control rod (12), a threaded rod (14) rotatably mounted on the inner wall of the extension tube (13) by means of threads, the threaded rod (14) being rotatably connected to the outer wall of the top of the piston (11) by means of threads.

4. A leak-proof full-bore flange ball valve according to claim 3, characterized in that the inner wall of the telescopic tube (13) is provided with an internal thread adapted to the threaded rod (14), and the friction between the threaded rod (14) and the telescopic tube (13) is much smaller than the relative rotational force between the threaded rod (14) and the telescopic tube (13).

5. A leak-proof full-bore flange ball valve according to claim 1, characterized in that the outer wall of the connecting pipe (6) is provided with a sealing sleeve (7), and the sealing sleeve (7) is respectively matched with the connecting pipe (6) and the flange plate (2), and the length of the sealing sleeve (7) is less than that of the connecting pipe (6).

6. A leakage-proof full-bore flange ball valve according to claim 3, characterized in that the inner wall of the top of said adjusting chamber (8) is provided with a sealing gasket (15), and the size of the sealing gasket (15) is adapted to the size of the adjusting chamber (8), and the middle position of the sealing gasket (15) is provided with a hole adapted to the control rod (12).