CN210240630U

CN210240630U - Pneumatic fluorine-lined cutting ball valve

Info

Publication number: CN210240630U
Application number: CN201920419608.6U
Authority: CN
Inventors: Taochun Qi; 戚涛春; Dian Zhang; 张典
Original assignee: Jiangsu Henghe Automatic Control Valve Co Ltd
Current assignee: Jiangsu Henghe Automatic Control Valve Co Ltd
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2020-04-03
Anticipated expiration: 2029-03-29

Abstract

The utility model provides a pneumatic lining fluorine cuts off ball valve, includes a set of flange connector, well valve body, back clamp plate, spheroid, a set of disk seat, preceding clamp plate, goes up valve rod and handle, well valve body sets up at a set of flange connector middle part, back clamp plate sets up the bottom portion at well valve body, preceding clamp plate sets up the upper end at well valve body, the spheroid sets up between well valve body, a set of disk seat sets up on the flange connector to a set of disk seat and spheroid contact, go up the valve rod setting between well valve body to go up the valve rod setting in the spheroid upper end, the handle sets up the top at last valve rod. Pneumatic lining fluorine cut off ball valve, simple structure, reasonable in design, the valve rod is difficult for taking place to buckle, sealed grading effectively improves the leakproofness of fixed ball valve, makes the life of this fixed ball valve have obviously improved.

Description

Pneumatic fluorine-lined cutting ball valve

Technical Field

The utility model belongs to the technical field of machinery basic unit and manufacturing, specifically, relate to a pneumatic lining fluorine cuts off ball valve.

Background

Ball valves come out in the 50 th of the 20 th century, and with the rapid development of science and technology, the production process and the product structure are continuously improved, and the ball valves are rapidly developed into main valves in as short as 40 years. In countries with developed western industries, the use of ball valves is continuously increasing year by year, and in China, ball valves are widely applied in industries such as petroleum refining, long-distance pipelines, chemical industry, paper making, pharmacy, water conservancy, electric power, municipal administration, steel and the like, and play a significant role in national economy.

At present, a ball valve commonly used in industries such as nuclear power, petrifaction, paper making, metallurgy and the like is a fixed ball valve which is a valve opened and closed by rotating a ball body around the central line of a valve body, and the fixed ball valve is mainly used for cutting off a pipeline at a high speed, distributing and changing the flowing direction of a medium. Fixed ball valve is the high performance ball valve of new generation, be applicable to long-distance pipeline and general industry pipeline, its intensity, security, resistant adverse circumstances nature etc. have carried out special consideration when the design, be applicable to various corrosivity and non-corrosive medium, fixed ball valve is owing to receive its filler and inner structure's influence, produce the problem of leakage failure easily after using certain number of times, the number of times of maintenance and change is high, can cause bad influence to production, consequently, need improve current fixed ball valve.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a pneumatic lining fluorine cuts off ball valve, simple structure, reasonable in design, stability is good, and the difficult emergence of valve rod is buckled.

The technical scheme is as follows: the utility model provides a pneumatic lining fluorine cuts off ball valve, including a set of flange connector, well valve body, back clamp plate, spheroid, a set of disk seat, preceding clamp plate, go up valve rod and handle, well valve body sets up at a set of flange connector middle part, the back clamp plate sets up the bottom portion at well valve body, preceding clamp plate sets up the upper end at well valve body, the spheroid sets up between well valve body, a set of disk seat sets up on the flange connector to a set of disk seat and spheroid contact, it sets up between well valve body to go up the valve rod setting in the spheroid upper end, the handle sets up the top at last valve rod. The utility model discloses a pneumatic lining fluorine cuts off ball valve, simple structure, reasonable in design, the difficult emergence of valve rod is buckled, and sealed classification effectively improves the leakproofness of fixed ball valve, makes the life of this fixed ball valve have obviously improved.

Further, foretell pneumatic lining fluorine cuts off ball valve, a set of flange connector symmetry sets up in spheroidal both sides, the flange connector is H type structure, the flange connector is close to and is equipped with a set of stud and a set of nut on spheroidal one side, stud passes through the nut setting on the flange connector, the flange connector is close to spheroidal middle part and is equipped with disk seat and a set of disk seat spring, the upper and lower both ends of disk seat set up on the flange connector, the disk seat spring sets up the position at the disk seat with the horizontal contact of flange connector.

Further, according to the pneumatic fluorine-lined cut-off ball valve, the middle valve body is arranged between the group of flange connectors, the contact surface of the middle valve body and the flange connectors is provided with the middle valve body O-shaped ring, and the middle valve body is provided with the group of rear pressure plate studs and the group of front pressure plate studs.

Further, foretell pneumatic lining fluorine cuts off ball valve, the back clamp plate sets up the below at well valve body, the back clamp plate is "protruding" style of calligraphy structure, be equipped with the projection on the back clamp plate, be equipped with a set of first back clamp plate O type sealing washer on projection and the well valve body contact surface, the right angle department of back clamp plate is equipped with second back clamp plate O type sealing washer, be equipped with a set of back clamp plate hexagon socket head cap screw on the both ends of back clamp plate, a set of back clamp plate hexagon socket head cap screw is established with a set of double-screw bolt cover on the well valve body and is in the same place. Sealing is graded, and under normal conditions, the valve seat is matched with the sealing ring to realize sealing under the action of the spring, and when fire and other emergency conditions occur, the sealing agent can be injected into the valve seat in time through the outside, and the sealing surface is permeated, so that sealing is ensured not to leak.

Further, according to the pneumatic fluorine-lined cut-off ball valve, the ball body is arranged between the group of valve seats, the ball body is provided with the first groove and the second groove, the top end portion of the convex column is arranged in the first groove, and the bottom end portion of the upper valve rod is arranged in the second groove. Through the cooperation location of projection and recess, easy to assemble.

Further, according to the pneumatic fluorine-lined cut-off ball valve, the valve seat is rectangular, a group of valve seat O-shaped sealing rings and a group of valve seat sealing rings are arranged on the valve seat, the group of valve seat O-shaped sealing rings are arranged between the valve seat and the flange connector, and the group of valve seat sealing rings are arranged between the valve seat and the ball body. The structural design is simple and reasonable, and the sealing performance of the ball valve is improved.

Further, according to the pneumatic fluorine-lined cut-off ball valve, the front pressure plate is arranged at the upper end of the middle valve body, a group of front pressure plate hexagon socket head cap bolts are arranged on the front pressure plate, and the group of front pressure plate hexagon socket head cap bolts are sleeved with the group of front pressure plate studs on the middle valve body.

Further, according to the pneumatic fluorine-lined cut-off ball valve, the upper valve rod is arranged between the ball body and the middle valve body, the upper valve rod conductive spring steel ball is arranged on the contact surface of the upper valve rod and the ball body, the upper valve rod O-shaped sealing ring is arranged on the contact surface of the upper valve rod and the middle valve body, and the front pressure plate O-shaped sealing ring is arranged on the contact surfaces of the upper valve rod, the middle valve body and the front pressure plate. The upper valve rod conductive spring steel ball and the spring structure can not only ensure that the valve rod has enough contact area with the valve seat and the ball body, but also can save the steel ball using amount in a limited way.

Further, according to the pneumatic fluorine-lined cut-off ball valve, the upper end portion of the upper valve rod is provided with the valve rod positioning piece, the valve rod positioning piece is provided with the elastic check ring for the shaft, and the valve rod positioning piece is provided with the valve rod positioning pin in the center position. The positioning sheet and the valve rod positioning pin protect the upper valve rod, so that the upper valve rod is not easy to bend and deform.

Further, according to the pneumatic fluorine-lined cut-off ball valve, the handle comprises a sleeve opening and a handle, the sleeve opening is sleeved on the upper end portion of the upper valve rod, and the handle is connected with the sleeve opening.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: pneumatic lining fluorine cut off ball valve, structural design is simple, reasonable, the valve rod is difficult for taking place to buckle, effectively improves fixed ball valve's leakproofness, makes this fixed ball valve's life have obviously improved, sealed grading, under the normal conditions, disk seat cooperation sealing washer can realize sealedly under the effect of spring, when emergency such as conflagration breaing out, can in time pour into the sealant through the outside, the sealed face of infiltration guarantees to seal not to leak, has very high spreading value.

Drawings

Fig. 1 is a schematic structural view of a pneumatic fluorine-lined cutting ball valve of the present invention;

fig. 2 is a schematic structural diagram of a flange connector of the pneumatic fluorine-lined cutting ball valve of the present invention;

fig. 3 is a schematic structural view of a middle valve body of the pneumatic fluorine-lined cutting ball valve of the present invention;

fig. 4 is a schematic structural view of a rear pressure plate of the pneumatic fluorine-lined cutting ball valve of the present invention;

fig. 5 is a schematic view of a ball structure of the pneumatic fluorine-lined cutting ball valve of the present invention;

fig. 6 is a schematic view of the valve seat structure of the pneumatic fluorine-lined cutting ball valve of the present invention;

fig. 7 is a schematic structural view of a handle of the pneumatic fluorine-lined cutting ball valve of the present invention;

fig. 8 is a schematic view of the valve seat spring structure of the pneumatic fluorine-lined cutting ball valve of the present invention.

In the figure: the double-end stud bolt type valve comprises a double-end stud bolt 1, a nut 2, a flange connector 3, a middle valve body 4, a rear pressure plate stud bolt 41, a front pressure plate stud bolt 42, a middle valve body O-shaped sealing ring 5, a rear pressure plate 6, a convex column 61, a first rear pressure plate O-shaped sealing ring 7, a second rear pressure plate O-shaped sealing ring 8, a rear pressure plate hexagon socket head cap screw 9, a ball 10, a first groove 101, a second groove 102, a valve seat O-shaped sealing ring 11, a valve seat sealing ring 12, a valve seat 13, a valve seat spring 14, an upper valve rod conductive spring steel ball 15, an upper valve rod O-shaped sealing ring 16, a front pressure plate O-shaped sealing ring 17, a front pressure plate 18, an upper valve rod 19, a valve rod positioning sheet 20, a shaft spring retainer ring 21, a valve rod positioning pin 22, a front.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

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", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed 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, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

The pneumatic fluorine-lined cut-off ball valve as shown in fig. 1 comprises a set of flange connecting bodies 3, a middle valve body 4, a rear pressure plate 6, a ball 10, a set of valve seats 13, a front pressure plate 18, an upper valve rod 19 and a handle 24, wherein the middle valve body 4 is arranged in the middle of the set of flange connecting bodies 3, the rear pressure plate 6 is arranged at the bottom end part of the middle valve body 4, the front pressure plate 18 is arranged at the upper end part of the middle valve body 4, the ball 10 is arranged between the middle valve bodies 4, the set of valve seats 13 is arranged on the flange connecting bodies 3, the set of valve seats 13 is in contact with the ball 10, the upper valve rod 19 is arranged between the middle valve bodies 4, the upper valve rod 19 is arranged at the upper end of the ball 10, and the handle 24 is arranged above.

As shown in fig. 2, a set of flange connectors 3 are symmetrically arranged on two sides of a sphere 10, each flange connector 3 is of an H-shaped structure, one side, close to the sphere 10, of each flange connector 3 is provided with a set of stud 1 and a set of nut 2, the stud 1 is arranged on the flange connector 3 through the nut 2, a valve seat 13 and a set of valve seat spring 14 are arranged in the middle of the flange connector 3, close to the sphere 10, the upper end and the lower end of the valve seat 13 are arranged on the flange connector 3, and the valve seat spring 14 is arranged at the position, in horizontal contact with the flange connector 3, of the valve seat 13.

As shown in fig. 3, the middle valve body 4 is disposed between a set of flange connectors 3, a middle valve body O-ring 5 is disposed on a contact surface between the middle valve body 4 and the flange connectors 3, and a set of rear pressure plate studs 41 and a set of front pressure plate studs 42 are disposed on the middle valve body 4.

As shown in fig. 4, the rear pressing plate 6 is arranged below the middle valve body 4, the rear pressing plate 6 is of a convex structure, a convex column 61 is arranged on the rear pressing plate 6, a group of first rear pressing plate O-shaped sealing rings 7 are arranged on the contact surfaces of the convex column 61 and the middle valve body 4, a second rear pressing plate O-shaped sealing ring 8 is arranged at the right angle of the rear pressing plate 6, a group of rear pressing plate hexagon socket head bolts 9 are arranged at the two ends of the rear pressing plate 6, and the group of rear pressing plate hexagon head bolts 9 are sleeved with a group of studs 41 on the middle valve body 4.

As shown in fig. 5, the ball 10 is disposed between a set of valve seats 13, the ball 10 is provided with a first groove 101 and a second groove 102, the top end of the boss 61 is disposed in the first groove 101, and the bottom end of the upper stem 19 is disposed in the second groove 102.

As shown in fig. 6, the valve seat 13 is rectangular, a group of valve seat O-rings 11 and a group of valve seat O-rings 12 are disposed on the valve seat 13, the group of valve seat O-rings 11 is disposed between the valve seat 13 and the flange connector 3, and the group of valve seat O-rings 12 is disposed between the valve seat 13 and the ball 10. The front pressure plate 18 is arranged at the upper end of the middle valve body 4, a group of front pressure plate hexagon socket head cap bolts 23 are arranged on the front pressure plate 18, and the group of front pressure plate hexagon socket head cap bolts 23 are sleeved with a group of front pressure plate studs 42 on the middle valve body 4. The upper valve rod 19 is arranged between the ball body 10 and the middle valve body 4, an upper valve rod conductive spring steel ball 15 is arranged on the contact surface of the upper valve rod 19 and the ball body 10, an upper valve rod O-shaped sealing ring 16 is arranged on the contact surface of the upper valve rod 19 and the middle valve body 4, and a front pressure plate O-shaped sealing ring 17 is arranged on the contact surfaces of the upper valve rod 19, the middle valve body 4 and the front pressure plate 18. The upper end of the upper valve rod 19 is provided with a valve rod positioning piece 20, the valve rod positioning piece 20 is provided with a shaft elastic retainer ring 21, and the central position of the valve rod positioning piece 20 is provided with a valve rod positioning pin 22. The positioning plate 20 and the valve rod positioning pin 22 protect the upper valve rod, so that the upper valve rod is not easy to bend and deform.

As shown in fig. 7, the handle 24 includes a socket 241 and a knob 242, the socket 241 is sleeved on the upper end of the upper stem 19, and the knob 242 is connected to the socket 241.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. A pneumatic fluorine-lined cut-off ball valve is characterized in that: including a set of flange connector (3), well valve body (4), back clamp plate (6), spheroid (10), a set of disk seat (13), preceding clamp plate (18), go up valve rod (19) and handle (24), well valve body (4) set up in a set of flange connector (3) middle part, back clamp plate (6) set up the bottom portion of well valve body (4), preceding clamp plate (18) set up the upper end of well valve body (4), spheroid (10) set up between well valve body (4), a set of disk seat (13) set up on flange connector (3) to a set of disk seat (13) and spheroid (10) contact, go up valve rod (19) and set up between well valve body (4) to go up valve rod (19) and set up in spheroid (10) upper end, handle (24) set up the top of last valve rod (19).

2. The pneumatic fluorine-lined shutoff ball valve of claim 1, wherein: a set of flange connector (3) symmetry sets up the both sides in spheroid (10), flange connector (3) are H type structure, flange connector (3) are equipped with a set of stud (1) and a set of nut (2) on being close to one side of spheroid (10), stud (1) sets up on flange connector (3) through nut (2), the middle part that flange connector (3) are close to spheroid (10) is equipped with disk seat (13) and a set of disk seat spring (14), the upper and lower both ends of disk seat (13) set up on flange connector (3), disk seat spring (14) set up the position of the horizontal contact at disk seat (13) and flange connector (3).

3. The pneumatic fluorine-lined shutoff ball valve of claim 1, wherein: the middle valve body (4) is arranged between a group of flange connecting bodies (3), a middle valve body O-shaped ring (5) is arranged on the contact surface of the middle valve body (4) and the flange connecting bodies (3), and a group of rear pressure plate studs (41) and a group of front pressure plate studs (42) are arranged on the middle valve body (4).

4. The pneumatic fluorine-lined shutoff ball valve of claim 1, wherein: the rear pressing plate (6) is arranged below the middle valve body (4), the rear pressing plate (6) is of a convex structure, a convex column (61) is arranged on the rear pressing plate (6), a group of first rear pressing plate O-shaped sealing rings (7) are arranged on the contact surfaces of the convex column (61) and the middle valve body (4), a second rear pressing plate O-shaped sealing ring (8) is arranged at the right angle of the rear pressing plate (6), a group of rear pressing plate hexagon socket head bolts (9) are arranged at the two ends of the rear pressing plate (6), and the group of rear pressing plate hexagon head bolts (9) and a group of studs (41) on the middle valve body (4) are sleeved together.

5. The pneumatic fluorine-lined shutoff ball valve of claim 4, wherein: the ball body (10) is arranged between a group of valve seats (13), the ball body (10) is provided with a first groove (101) and a second groove (102), the top end of the convex column (61) is arranged in the first groove (101), and the bottom end of the upper valve rod (19) is arranged in the second groove (102).

6. The pneumatic fluorine-lined shutoff ball valve of claim 1, wherein: the ball valve is characterized in that the valve seat (13) is rectangular, a group of valve seat O-shaped sealing rings (11) and a group of valve seat sealing rings (12) are arranged on the valve seat (13), the group of valve seat O-shaped sealing rings (11) are arranged between the valve seat (13) and the flange connecting body (3), and the group of valve seat sealing rings (12) are arranged between the valve seat (13) and the ball body (10).

7. The pneumatic fluorine-lined shutoff ball valve of claim 1, wherein: the front pressing plate (18) is arranged at the upper end of the middle valve body (4), a group of front pressing plate inner hexagon bolts (23) are arranged on the front pressing plate (18), and the group of front pressing plate inner hexagon bolts (23) are sleeved with a group of front pressing plate studs (42) on the middle valve body (4).

8. The pneumatic fluorine-lined shutoff ball valve of claim 1, wherein: go up valve rod (19) and set up between spheroid (10) and well valve body (4), go up valve rod (19) and be equipped with valve rod conductive spring steel ball (15) on the contact surface with spheroid (10), go up valve rod (19) and be equipped with valve rod O type sealing washer (16) on the contact surface with well valve body (4), go up valve rod (19), well valve body (4) and be equipped with preceding clamp plate O type sealing washer (17) on the contact surface of preceding clamp plate (18).

9. The pneumatic fluorine-lined shutoff ball valve of claim 1, wherein: go up valve rod (19) upper end and be equipped with valve rod locating piece (20), be equipped with epaxial circlip (21) on valve rod locating piece (20), valve rod locating pin (22) are equipped with to valve rod locating piece (20) central point.

10. The pneumatic fluorine-lined shutoff ball valve of claim 1, wherein: the handle (24) comprises a sleeve opening (241) and a handle (242), the sleeve opening (241) is sleeved on the upper end portion of the upper valve rod (19), and the handle (242) is connected with the sleeve opening (241).