Fluorine lining ball valve convenient to maintain and replace

Abstract

The utility model discloses a fluorine-lined ball valve convenient to maintain and replace, and relates to the field of fluorine-lined ball valves, the fluorine-lined ball valve comprises a fluorine-lined ball valve body, two sides of the fluorine-lined ball valve body are movably connected with pipe bodies, the inside of each pipe body is in threaded connection with six fastening bolts, and the inside of the fluorine-lined ball valve body is connected with a ball valve body; the top of the ball valve body is provided with a dismounting assembly used for dismounting, the dismounting assembly comprises a valve seat, the valve seat is located at the top of the fluorine-lined ball valve body, sealing grooves are formed in the two sides of the fluorine-lined ball valve body, and sealing rings are movably connected to the interiors of the sealing grooves. According to the fluorine-lined ball valve, the positioning bolt, the first bolt, the second bolt and the fastening bolt are arranged, in order to achieve the purpose that all assemblies of the fluorine-lined ball valve are convenient to maintain and replace and improve the maintenance efficiency of the fluorine-lined ball valve, an anti-corrosion layer, a thickening layer and an anti-rust layer are arranged, and in order to achieve the purposes that the fluorine-lined ball valve is resistant to corrosion and rust, the service life is prolonged and the safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fluorine -lined ball valve technical field, concretely is fluorine -lined ball valve convenient to maintain replacement. BACKGROUND

[0002] Fluorine -lined ball valve is a kind of special ball valve, its main feature is in the place of contact with medium lining fluorine plastic, to improve the corrosion resistance of valve, widely used in food, environmental protection, light industry, petroleum, papermaking, chemical industry, light textile, power and other industries automatic regulation and remote control system;The fluorine -lined ball valve of prior art is when using, due to the structure of valve body is usually integral design, once needs to maintain or replace parts, it can need to remove the entire valve body from the pipeline system, increase the complexity of maintenance.

[0003] In order to overcome the above-mentioned defects, the prior art (application number: 202122413767.5, application date is October 8, 2021 Chinese patent) discloses a fluorine -lined ball valve convenient to maintain replacement, fluorine -lined ball valve can shell of ball valve is disassembled, is maintained, convenient and fast, can lengthen the length of handle when using ball valve, it is convenient for staff to exert force, and the practicability is stronger, the utility model has the advantages of reasonable setting, low manufacturing cost and the like.

[0004] Although the prior art can solve the fluorine -lined ball valve maintenance replacement, although the lower ball valve shell, upper ball valve shell and work plate can be disassembled and maintained, but the components are numerous and the structure is complex, and the fluorine -lined ball valve cannot be easily maintained and replaced, which increases the difficulty and time cost of maintenance, and the fluorine -lined ball valve does not have corrosion and rust prevention effect, reduces the service life and safety.

[0005] Therefore, we propose a fluorine -lined ball valve convenient to maintain replacement, which can solve the above problems. INVENTION CONTENTS

[0006] The utility model aims at providing a fluorine -lined ball valve convenient to maintain replacement to solve the problem that the fluorine -lined ball valve is currently used, although the lower ball valve shell, upper ball valve shell and work plate can be disassembled and maintained, but the components are numerous and the structure is complex, and the fluorine -lined ball valve cannot be easily maintained and replaced, which increases the difficulty and time cost of maintenance, and the fluorine -lined ball valve does not have corrosion and rust prevention effect, reduces the service life and safety.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: A fluorine -lined ball valve convenient to maintain and replace, fluorine -lined ball valve body is connected with the pipe body on both sides, the inside screw thread connection of pipe body has six fastening bolts, the inside connection of fluorine -lined ball valve body has ball valve body, the top of ball valve body is provided with the dismounting assembly for dismounting, the dismounting assembly includes valve seat, and valve seat is located at the top of fluorine -lined ball valve body, the both sides of fluorine -lined ball valve body are provided with sealing groove, the inside movable joint of sealing groove has sealing ring, the outside fixed mounting of sealing ring has sealing sleeve, and sealing sleeve end inserts pipe body, the bottom movable joint of ball valve body has fixed shaft, the bottom fixed mounting of fixed shaft has lower fixed plate, the inside symmetry screw thread connection of lower fixed plate has second bolt.

[0008] As the preferred technical scheme of the application, the top of the valve seat is fixedly installed with a sealing plate, the top of the sealing plate is movably connected with an upper fixed plate, the top of the upper fixed plate is fixedly installed with a valve stem, the outer wall of the valve stem is sleeved with a gland, the inside of the gland is symmetrically screw-connected with a positioning bolt, the inside of both the upper fixed plate and the sealing plate is symmetrically screw-connected with a first bolt, and the end of the first bolt is inserted into the fluorine-lined ball valve body.

[0009] As the preferred technical scheme of the application, the fluorine-lined ball valve body comprises a corrosion-resistant layer, the outer wall of the corrosion-resistant layer is wrapped with a thickened layer, and the outer wall of the thickened layer is coated with a rust-proof layer. The epoxy coating of the rust-proof layer can form a dense protective film, which isolates the fluorine-lined ball valve body from the external environment, preventing the fluorine-lined ball valve from rusting and corroding.

[0010] As the preferred technical scheme of the application, the valve seat is detachably connected with the fluorine-lined ball valve body and the ball valve body, and the valve seat is tightly fitted with the sealing plate. By manually moving the sealing plate upwards, the sealing plate drives the valve seat to move upwards together until the valve seat is completely separated from the fluorine-lined ball valve body.

[0011] As the preferred technical scheme of the application, the positioning bolt is screw-connected with the gland and the upper fixed plate, and the upper fixed plate, the sealing plate and the fluorine-lined ball valve body are screw-connected with the first bolt. By manually pulling out the positioning bolt in sequence, the positioning bolt is separated from the gland, so that the fixed relationship between the gland and the upper fixed plate is released.

[0012] As a preferred technical scheme of the present application, the pipe body and the sealing groove are integrally arranged, the sealing groove and the sealing ring are detachably connected, the sealing ring and the sealing sleeve are both made of rubber material, the pipe body is manually moved outward until the pipe body is completely separated from the fluorine-lined ball valve body and the sealing sleeve, then the sealing ring connected with the sealing sleeve is manually pulled out from the corresponding sealing groove in sequence, so that the sealing ring is separated from the sealing groove, and the pipe body is separated from the fluorine-lined ball valve body.

[0013] As a preferred technical scheme of the present application, the thickening layer is tightly attached to the anticorrosion layer and the antirust layer, the anticorrosion layer is made of polytetrafluoroethylene material, and the antirust layer is made of epoxy paint. The anticorrosion layer made of polytetrafluoroethylene material has excellent chemical stability and corrosion resistance. When fluid medium flows through the inside of the fluorine-lined ball valve body, the polytetrafluoroethylene anticorrosion layer can effectively resist the erosion of the medium, protect the inside of the fluorine-lined ball valve from corrosion, and thus prolong the service life of the fluorine-lined ball valve.

[0014] Compared with the prior art, the fluorine-lined ball valve convenient to maintain and replace has the following advantages: the positioning bolt, the first bolt, the second bolt and the fastening bolt are arranged to facilitate the maintenance and replacement of each component of the fluorine-lined ball valve, improve the maintenance efficiency of the fluorine-lined ball valve, and the anticorrosion layer, the thickening layer and the antirust layer are arranged to realize the corrosion resistance and rust prevention of the fluorine-lined ball valve, prolong the service life and safety, and the specific content is shown as follows.

[0015] 1. The positioning bolt and the first bolt are arranged, the positioning bolt and the first bolt are disassembled, the upper fixed plate, the sealing plate and the valve seat are sequentially separated from the fluorine-lined ball valve body, the valve stem and its related components of the fluorine-lined ball valve are disassembled, the valve stem and its related components of the fluorine-lined ball valve are disassembled, and the valve stem and its related components of the fluorine-lined ball valve are disassembled.

[0016] Further, the second bolt is arranged, the second bolt is disassembled, the lower fixed plate and the fixed shaft are separated from the fluorine-lined ball valve body, the fixed shaft and its related components of the fluorine-lined ball valve are disassembled, and the fixed shaft and its related components of the fluorine-lined ball valve are disassembled. Further, the fastening bolt is arranged, the fastening bolt is disassembled, the fixed relationship between the pipe body and the fluorine-lined ball valve body is released, the sealing ring connected with the sealing sleeve is sequentially separated, the pipe body is separated from the fluorine-lined ball valve body, and the pipe body is separated from the fluorine-lined ball valve body.

[0017] 2. The anticorrosion layer, the thickening layer and the antirust layer are arranged, the anticorrosion layer made of polytetrafluoroethylene material can effectively resist the erosion of the medium, protect the inside of the fluorine-lined ball valve from corrosion, cooperate with the thickening layer and the antirust layer coated on the outer wall, isolate the fluorine-lined ball valve body from the direct contact with the external environment, and prevent the fluorine-lined ball valve from rusting and corroding. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a front view structure schematic diagram of the utility model;

[0019] Figure 2 It is an explosion structure schematic diagram of the utility model;

[0020] Figure 3 It is a fluorine lining ball valve body and pipe body local section structure schematic diagram of the utility model;

[0021] Figure 4 It is a fluorine lining ball valve body, upper fixed plate and lower fixed plate local section structure schematic diagram of the utility model;

[0022] Figure 5 It is a fluorine lining ball valve body local section structure schematic diagram of the utility model;

[0023] Figure 6 It is a fluorine lining ball valve body, upper fixed plate and lower fixed plate local section structure schematic diagram of the utility model; Figure 3 It is a fluorine lining ball valve body, upper fixed plate and lower fixed plate local section structure schematic diagram of the utility model;

[0024] In the drawing: 1, fluorine lining ball valve body; 2, pipe body; 3, ball valve body; 4, valve seat; 5, sealing plate; 6, upper fixed plate; 7, valve stem; 8, gland; 9, positioning bolt; 10, first bolt; 11, fixed shaft; 12, lower fixed plate; 13, second bolt; 14, sealing groove; 15, sealing sleeve; 16, sealing ring; 17, fastening bolt; 18, anticorrosion layer; 19, thickening layer; 20, rust-proof layer. Specific implementation

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0026] Please refer to Figures 1-6 The utility model provides the following technical scheme:

[0027] Embodiment one: in order to solve the fluorine lining ball valve in the market when using, although utilizing lower ball valve shell, upper ball valve shell and work plate, can disassemble and maintain the shell, but the component is numerous and the structure is complex, and the various components of fluorine lining ball valve cannot be conveniently maintained and replaced, which easily increases the difficulty and time cost of maintenance. The fluorine lining ball valve convenient to maintain and replace in the embodiment discloses the following technical content, which can refer to the accompanying Figure 1 - the accompanying Figure 4 and the accompanying Figure 6The utility model provides a fluorine -lined ball valve, including fluorine -lined ball valve body 1, both sides swing joint have pipe body 2 of fluorine -lined ball valve body 1, the inside screw joint has six fastening bolts 17 of pipe body 2, the inside connection has ball valve body 3 of fluorine -lined ball valve body 1, the top of ball valve body 3 is provided with the dismounting assembly for dismounting, and the dismounting assembly includes valve seat 4, and valve seat 4 is located at the top of fluorine -lined ball valve body 1, and the both sides of fluorine -lined ball valve body 1 are seted up sealing groove 14, and the inside swing joint has sealing ring 16 of sealing groove 14, and sealing ring 16's outside fixed mounting has sealing sleeve 15, and sealing sleeve 15 end inserts pipe body 2, the bottom swing joint has fixed shaft 11 of ball valve body 3, and the bottom fixed mounting has lower fixed plate 12 of fixed shaft 11, and the inside symmetry screw joint has second bolt 13 of lower fixed plate 12, the top fixed mounting has sealing plate 5 of valve seat 4, and the top swing joint has upper fixed plate 6 of sealing plate 5, and the top fixed mounting has valve stem 7 of upper fixed plate 6, and valve stem 7's outer wall is equipped with gland 8, and the inside symmetry screw joint has positioning bolt 9 of gland 8, and the inside symmetry screw joint has first bolt 10 of upper fixed plate 6 and sealing plate 5, and first bolt 10 end inserts fluorine -lined ball valve body 1, and valve seat 4 and fluorine -lined ball valve body 1 and ball valve body 3 are two between the dismounting connection, and valve seat 4 and sealing plate 5 are between the close adhesion, and positioning bolt 9 and gland 8 and upper fixed plate 6 two between the screw joint, and upper fixed plate 6, sealing plate 5 and fluorine -lined ball valve body 1 three with first bolt 10 are screw joint, and pipe body 2 and sealing groove 14 between the integrated setting, and sealing groove 14 and sealing ring 16 between the dismounting connection, and sealing ring 16 and sealing sleeve 15 two all are made of rubber material.

[0028] The worker first manually pulls out the positioning bolt 9 one by one to make the positioning bolt 9 disengage from the gland 8, so that the fixing relationship between the gland 8 and the upper fixed plate 6 is released, then the first bolt 10 is manually pulled out one by one to make the first bolt 10 disengage from the upper fixed plate 6, so that the fixing relationship between the upper fixed plate 6 and the sealing plate 5 is released, so that the worker can manually move the upper fixed plate 6 connected with the valve stem 7 upwards to make it disengage from the sealing plate 5, then manually move the sealing plate 5 upwards to make the sealing plate 5 drive the valve seat 4 to move upwards together, until the valve seat 4 completely disengages from the fluorine-lined ball valve body 1, so that the valve stem 7 and its related components of the fluorine-lined ball valve are disassembled for maintenance or replacement; then the worker manually pulls out the second bolt 13 from the lower fixed plate 12 one by one to make the fixing relationship between the lower fixed plate 12 and the fluorine-lined ball valve body 1 be released, then manually moves the lower fixed plate 12 downwards to make the lower fixed plate 12 drive the fixed shaft 11 to move downwards together, until the fixed shaft 11 completely disengages from the fluorine-lined ball valve body 1, so that the fixed shaft 11 and its related components of the fluorine-lined ball valve are disassembled for maintenance or replacement; when the pipe body 2 needs to be disassembled for maintenance or replacement, the worker manually pulls out each fastening bolt 17 from the pipe body 2 to make the fixing relationship between the pipe body 2 and the fluorine-lined ball valve body 1 be released, manually moves the pipe body 2 outward, until the pipe body 2 completely separates from the fluorine-lined ball valve body 1 and the sealing sleeve 15, then manually pulls out the sealing ring 16 connected with the sealing sleeve 15 from the corresponding sealing groove 14 one by one to make the sealing ring 16 separate from the sealing groove 14, so that the pipe body 2 separates from the fluorine-lined ball valve body 1; when replacing, the operation is performed in the reverse order, so that each component is installed and fastened, realizing that each component of the fluorine-lined ball valve is convenient to maintain and replace, and improving the maintenance efficiency of the fluorine-lined ball valve.

[0029] In this embodiment, the fluorine-lined ball valve for easy maintenance and replacement discloses the following technical content: in order to realize that the fluorine-lined ball valve has corrosion and rust prevention, the fluorine-lined ball valve can be referred to Figure 1 and Figure 5 The fluorine-lined ball valve body 1 comprises a corrosion-resistant layer 18, the outer wall of the corrosion-resistant layer 18 is wrapped with a thickened layer 19, and the outer wall of the thickened layer 19 is coated with a rust-resistant layer 20; the thickened layer 19 is tightly attached to the corrosion-resistant layer 18 and the rust-resistant layer 20, and the corrosion-resistant layer 18 is made of polytetrafluoroethylene material, and the rust-resistant layer 20 is made of epoxy paint.

[0030] The anticorrosive layer 18 made of polytetrafluoroethylene material has excellent chemical stability and corrosion resistance, and can effectively resist the erosion of the medium when the fluid medium flows through the inside of the fluorine-lined ball valve body 1, thereby protecting the inside of the fluorine-lined ball valve from corrosion and prolonging the service life of the fluorine-lined ball valve. The thickening layer 19 increases the wall thickness of the fluorine-lined ball valve body 1, improves the structural strength and durability of the fluorine-lined ball valve body 1, and enables it to withstand higher fluid pressure and more severe working environment. The outer wall of the thickening layer 19 is coated with a rust-proof layer 20, and the epoxy coating of the rust-proof layer 20 can form a dense protective film to isolate the fluorine-lined ball valve body 1 from direct contact with the external environment, prevent the fluorine-lined ball valve from rusting and corroding, and achieve corrosion and rust prevention, thereby prolonging the service life and safety.

[0031] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0032] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement for part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. A fluorine-lined ball valve convenient for maintenance replacement, comprising a fluorine-lined ball valve body (1), pipe bodies (2) movably connected to both sides of the fluorine-lined ball valve body (1), six fastening bolts (17) threadedly connected to the interiors of the pipe bodies (2), and a ball valve body (3) connected to the interior of the fluorine-lined ball valve body (1); characterized in that a dismounting assembly for dismounting arranged at the top of the ball valve body (3), the dismounting assembly comprising a valve seat (4) located at the top of the fluorine-lined ball valve body (1), sealing grooves (14) formed in both sides of the fluorine-lined ball valve body (1), sealing rings (16) movably connected to the interiors of the sealing grooves (14), and sealing sleeves (15) fixedly installed at the outer sides of the sealing rings (16) and inserted into the pipe bodies (2); a fixed shaft (11) movably connected to the bottom of the ball valve body (3), a lower fixed plate (12) fixedly installed at the bottom of the fixed shaft (11), and second bolts (13) symmetrically threadedly connected to the interior of the lower fixed plate (12).

2. The fluorine-lined ball valve according to claim 1, wherein: a sealing plate (5) fixedly installed at the top of the valve seat (4), an upper fixed plate (6) movably connected to the top of the sealing plate (5), a valve stem (7) fixedly installed at the top of the upper fixed plate (6), a gland (8) sleeved on the outer wall of the valve stem (7), positioning bolts (9) symmetrically threadedly connected to the interior of the gland (8), and first bolts (10) symmetrically threadedly connected to the interiors of the upper fixed plate (6) and the sealing plate (5) and inserted into the fluorine-lined ball valve body (1).

3. The fluorine-lined ball valve according to claim 1, wherein: The fluorine-lined ball valve body (1) comprises a corrosion-resistant layer (18), the outer wall of the corrosion-resistant layer (18) is wrapped with a thickened layer (19), and the outer wall of the thickened layer (19) is coated with a rust-proof layer (20).

4. The fluorine-lined ball valve according to claim 1, wherein: The valve seat (4) is detachably connected to the fluorine-lined ball valve body (1) and the ball valve body (3), and tightly abuts against the sealing plate (5).

5. The fluorine-lined ball valve according to claim 2, wherein: The positioning bolts (9) are threadedly connected to the gland (8) and the upper fixed plate (6), and the upper fixed plate (6), the sealing plate (5), and the fluorine-lined ball valve body (1) are threadedly connected to the first bolts (10).

6. The fluorine-lined ball valve according to claim 1, wherein: The pipe bodies (2) are integrally arranged with the sealing grooves (14), the sealing grooves (14) are detachably connected to the sealing rings (16), and both the sealing rings (16) and the sealing sleeves (15) are made of rubber material.

7. The fluorine-lined ball valve according to claim 3, wherein: The thickened layer (19) tightly abuts against the corrosion-resistant layer (18) and the rust-proof layer (20), the corrosion-resistant layer (18) is made of polytetrafluoroethylene material, and the rust-proof layer (20) is made of epoxy paint.

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