Fluorine lining butterfly valve with detachable valve seat

Abstract

The fluorine lining butterfly valve comprises the valve seat, valve bodies are connected to the two sides of the valve seat in an inserted mode, a butterfly plate is arranged in the valve seat, a valve rod is connected to the inner wall of the butterfly plate in an inserted mode, the top of the valve rod extends to the outer wall of the valve seat, and a disassembling mechanism is arranged outside the valve seat. The number of the disassembling mechanisms is two, and each disassembling mechanism comprises a first clamping hoop. The utility model relates to the technical field of butterfly valves, in particular to a fluorine-lined butterfly valve with a detachable valve seat, which realizes convenient disassembly of the valve seat 1 through the matching of a first hoop, a connecting block, a clamping block, a screw, a second hoop, a nut and a clamping hole, shortens the disassembly time, and solves the problems that the disassembly steps are more and the disassembly time is shortened when the fluorine-lined butterfly valve is disassembled. The problem that a worker needs to rotate a plurality of bolts to disassemble the valve seat, and the disassembly takes a long time, so that the valve seat of the fluorine-lined butterfly valve is inconvenient to disassemble is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of butterfly valves, in particular to a fluorine-lined butterfly valve with a detachable valve seat. Background Art

[0002] The butterfly plate of the fluorine-lined butterfly valve is installed in the diameter direction of the pipeline. In the cylindrical channel of the butterfly valve body, the disc-shaped butterfly plate rotates around the axis. The rotation angle is between 0° and 90°. When it rotates to 90°, the valve is fully open. When the fluorine-lined butterfly valve is in use, its valve seat needs to be disassembled to repair the fluorine-lined butterfly valve.

[0003] When disassembling the existing fluorine-lined butterfly valve seat, the staff needs to rotate multiple bolts on both sides of the valve seat to separate the valve seat from the valve body to complete the disassembly of the fluorine-lined butterfly valve seat;

[0004] However, when disassembling the valve seat of the fluorine-lined butterfly valve, there are many steps to disassemble, and the staff needs to turn multiple bolts to disassemble the valve seat. In addition, the disassembly takes a long time, which makes it inconvenient to disassemble the valve seat of the fluorine-lined butterfly valve. Utility Model Content

[0005] In response to the shortcomings of the existing technology, the utility model provides a fluorine-lined butterfly valve with a detachable valve seat, which solves the problem that when disassembling the valve seat of the fluorine-lined butterfly valve, there are many disassembly steps, and the staff needs to turn multiple bolts to disassemble the valve seat. The disassembly also takes a long time, making it inconvenient to disassemble the valve seat of the fluorine-lined butterfly valve.

[0006] To achieve the above-mentioned purpose, the present invention is implemented through the following technical solutions: a fluorine-lined butterfly valve with a detachable valve seat, comprising a valve seat, a valve body is plugged into both sides of the valve seat, a disc plate is provided inside the valve seat, a valve stem is plugged into the inner wall of the disc plate, the top of the valve stem extends to the outer wall of the valve seat, a disassembly mechanism is provided outside the valve seat, and the disassembly mechanism is provided in two groups, the disassembly mechanism comprising: a first clamp, respectively affixed to the outer wall of the valve seat and the outer wall of the valve body; a second clamp, respectively affixed to the outer wall of the valve seat and the outer wall of the valve body; a connecting block, respectively fixedly connected to the outer wall of the first clamp and the outer wall of the second clamp; the clamp blocks, respectively Fixedly connected to the inner wall of the first clamp and the inner wall of the second clamp; clamping holes are respectively opened on the surface of the valve seat and the valve body; a screw passes through the connecting block; a nut is threadedly connected to the outer wall of the screw; a sealing assembly is arranged on the outside of the valve seat; wherein, the staff rotates the nut to make the nut leave the outer wall of the screw, and at this time the first clamp and the second clamp are removed from the valve seat and the valve body, and the first clamp and the second clamp drive the clamping block to leave the clamping hole, thereby releasing the fixation of the valve seat and the valve body, making it convenient to disassemble the valve seat, and the sealing performance of the two clamps with the valve seat and the valve body is improved through the sealing assembly.

[0007] Preferably, the sealing assembly includes: a third sealing ring, fixedly connected to the inner wall of the first clamp, and respectively fitted to the outer walls of the first clamp and the second clamp; a fourth sealing ring, fixedly connected to the inner wall of the second clamp, and respectively fitted to the outer walls of the first clamp and the second clamp; wherein, through the cooperation of the third sealing ring and the fourth sealing ring, the sealing performance of the first clamp and the second clamp with the valve seat and the valve body is improved.

[0008] Preferably, a second sealing ring is fixedly connected to the outer wall of the disc plate, and a side of the second sealing ring away from the disc plate is in contact with the inner wall of the valve body.

[0009] Preferably, a first sealing ring is installed on the outer wall of the valve body, and the outer wall of the first sealing ring is in contact with the inner wall of the valve seat.

[0010] Preferably, one end of the valve body away from the valve seat is fixedly connected to a flange.

[0011] Beneficial effects

[0012] The utility model provides a fluorine-lined butterfly valve with a detachable valve seat. The fluorine-lined butterfly valve with a detachable valve seat has the following beneficial effects: The fluorine-lined butterfly valve with a detachable valve seat facilitates disassembly of the valve seat 1 through the cooperation of a first clamp, a connecting block, a clamping block, a screw, a second clamp, a nut, and a clamping hole, thereby shortening the disassembly time. This solves the problem that when disassembling the valve seat of a fluorine-lined butterfly valve, there are many steps required, the operator needs to turn multiple bolts to remove the valve seat, and the disassembly takes a long time, making it inconvenient to disassemble the valve seat of the fluorine-lined butterfly valve.

[0013] Through the cooperation between the third sealing ring and the fourth sealing ring, the sealing performance between the first clamp 41 and the second clamp 45 and the valve seat 1 and the valve body 5 is improved, and the problem of water leakage at the position of the two clamps due to the lack of any sealing between the two clamps and the valve seat and the valve body after the valve seat and the valve body are re-fixed together is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural diagram of the utility model;

[0015] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0016] Figure 3 for Figure 1 Enlarged view of point B in the middle.

[0017] In the figure: 1. Valve seat; 11. First sealing ring; 2. Disc plate; 21. Second sealing ring; 3. Valve stem; 4. Disassembly mechanism; 41. First clamp; 42. Connecting block; 43. Clamping block; 44. Screw; 45. Second clamp; 46. Nut; 47. Clamping hole; 48. Sealing assembly; 481. Third sealing ring; 482. Fourth sealing ring; 5. Valve body; 51. Flange. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] When disassembling the valve seat of a fluorine-lined butterfly valve, there are many steps involved, and the staff is required to turn multiple bolts to remove the valve seat. Furthermore, the disassembly process takes a long time, making it inconvenient to disassemble the valve seat of a fluorine-lined butterfly valve.

[0020] In view of this, the utility model provides a fluorine-lined butterfly valve with a detachable valve seat. Through the cooperation between the first clamp, the connecting block, the clamping block, the screw, the second clamp, the nut and the clamping hole, the valve seat 1 is conveniently disassembled, the disassembly time is shortened, and the problem of the fluorine-lined butterfly valve seat being disassembled with many steps and the staff needing to turn multiple bolts to disassemble the valve seat is solved, which also takes a long time to disassemble, making it inconvenient to disassemble the fluorine-lined butterfly valve seat.

[0021] By those skilled in the art, the components in this case are connected in sequence. For the specific connection and operation sequence, reference should be made to the following working principle. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process.

[0022] Example 1, by Figure 1-3The detachable fluorine-lined butterfly valve of the case includes a valve seat 1, both sides of the valve seat 1 are inserted with valve bodies 5, the inside of the valve seat 1 is provided with a disc plate 2, the inner wall of the disc plate 2 is inserted with a valve rod 3, when the fluorine-lined butterfly valve needs to be opened, the staff rotates the valve rod 3, the valve rod 3 drives the disc plate 2 to rotate, the disc plate 2 rotates by ninety degrees, and the fluorine-lined butterfly valve is opened as a whole, when the fluorine-lined butterfly valve needs to be closed, the staff rotates the valve rod 3 in the opposite direction, thereby closing the fluorine-lined butterfly valve, the top of the valve rod 3 extends to the outer wall of the valve seat 1, the outside of the valve seat 1 is provided with a dismounting mechanism 4, the dismounting mechanism 4 is provided with two groups, the dismounting mechanism 4 includes: a first clamp 41, which is respectively attached to the outer wall of the valve seat 1 and the outer wall of the valve body 5, the first clamp 41 and the second clamp 45 drive the clamping block 43 to leave the clamping hole 47, the first clamp 41 and the second clamp 45 are separated from the outer wall of the valve seat 1 and the outer wall of the valve body 5, the staff takes out the valve body 5 from both sides of the valve seat 1, and the dismounting of the valve seat 1 is completed, a second clamp 45 is respectively attached to the outer wall of the valve seat 1 and the outer wall of the valve body 5, a connecting block 42 is respectively fixedly connected to the outer wall of the first clamp 41 and the outer wall of the second clamp 45, the staff takes out the screw 44 from the connecting block 42 on both sides, at this time, the staff moves the first clamp 41 and the second clamp 45, the clamping block 43 is respectively fixedly connected to the inner wall of the first clamp 41 and the inner wall of the second clamp 45, when the valve seat 1 needs to be installed, the staff inserts the valve body 5 into the valve seat 1, the staff attaches the first clamp 41 and the second clamp 45 on the valve seat 1 and the valve body 5, the clamping block 43 is inserted into the clamping hole 47, the screw 44 is penetrated into the two connecting blocks 42, the staff rotates the nut 46 in the opposite direction, the nut 46 is rotated on the screw 44, thereby fixing the valve seat 1 and the valve body 5 together, the clamping hole 47 is respectively formed in the surface of the valve seat 1 and the valve body 5, the screw 44 penetrates through the connecting block 42, the nut 46 is threadedly connected to the outer wall of the screw 44, the staff rotates the nut 46 on both sides, so that the nut 46 leaves the outer wall of the screw 44, a sealing assembly 48 is arranged outside the valve seat 1, wherein the staff rotates the nut 46, so that the nut 46 leaves the outer wall of the screw 44, at this time, the first clamp 41 and the second clamp 45 are taken off from the valve seat 1 and the valve body 5, the first clamp 41 and the second clamp 45 drive the clamping block 43 to leave the clamping hole 47, so that the fixing of the valve seat 1 and the valve body 5 is released, and the valve seat 1 is convenient to dismount, the sealing assembly 48 improves the sealing performance of the two clamps and the valve seat 1 and the valve body 5;

[0023] During the specific implementation process, it is worth noting that when the fluorine-lined butterfly valve needs to be opened, the staff rotates the valve stem 3, and the valve stem 3 drives the disc plate 2 to rotate, so that the disc plate 2 rotates ninety degrees to open the fluorine-lined butterfly valve as a whole. When the fluorine-lined butterfly valve needs to be closed, the staff rotates the valve stem 3 in the opposite direction to close the fluorine-lined butterfly valve. When the valve seat 1 needs to be disassembled, the staff rotates the nuts 46 on both sides to make the nuts 46 leave the screws 44. The staff removes the screws 44 from the connecting blocks 42 on both sides. At this time, the staff moves the first clamp 41 and the second clamp 45, and the first clamp 41 and the second clamp 45 drive the clamp block 43 to leave In the clamping hole 47, the first clamp 41 and the second clamp 45 are separated from the outer wall of the valve seat 1 and the outer wall of the valve body 5. The staff removes the valve body 5 from both sides of the valve seat 1 to complete the disassembly of the valve seat 1. When the valve seat 1 needs to be installed, the staff inserts the valve body 5 into the valve seat 1. The staff fits the first clamp 41 and the second clamp 45 on the valve seat 1 and the valve body 5, inserts the clamping block 43 into the clamping hole 47, and passes the screw 44 into the two connecting blocks 42. The staff rotates the nut 46 in the opposite direction and rotates the nut 46 onto the screw 44, thereby fixing the valve seat 1 and the valve body 5 together, making it convenient to disassemble the valve seat 1 and shortening the disassembly time.

[0024] Furthermore, the sealing assembly 48 includes: a third sealing ring 481, which is fixedly connected to the inner wall of the first clamp 41 and is respectively fitted on the outer walls of the first clamp 41 and the second clamp 45. When the disassembled valve seat 1 and the valve body 5 are fixed together, the first clamp 41 drives the third sealing ring 481 to move, and the third sealing ring 481 is fitted on the valve seat 1 and the valve body 5. A fourth sealing ring 482 is fixedly connected to the inner wall of the second clamp 45, and the second clamp 45 drives the fourth sealing ring 482 to move, and the fourth sealing ring 482 is fitted on the valve seat 1 and the valve body 5, thereby improving the sealing performance of the first clamp 41 and the second clamp 45 with the valve seat 1 and the valve body 5, and respectively fits on the outer walls of the first clamp 41 and the second clamp 45. Among them, the cooperation of the third sealing ring 481 and the fourth sealing ring 482 improves the sealing performance of the first clamp 41 and the second clamp 45 with the valve seat 1 and the valve body 5.

[0025] During the specific implementation process, it is worth noting that when the disassembled valve seat 1 and valve body 5 are fixed together, the first clamp 41 drives the third sealing ring 481 to move, and the third sealing ring 481 is affixed to the valve seat 1 and the valve body 5. The second clamp 45 drives the fourth sealing ring 482 to move, and the fourth sealing ring 482 is affixed to the valve seat 1 and the valve body 5, thereby improving the sealing performance of the first clamp 41 and the second clamp 45 with the valve seat 1 and the valve body 5.

[0026] Furthermore, a second sealing ring 21 is fixedly connected to the outer wall of the disc plate 2. The second sealing ring 21 increases the sealing ring between the disc plate 2 and the valve seat 1, thereby improving the sealing performance of the disc plate 2. The side of the second sealing ring 21 away from the disc plate 2 is in contact with the inner wall of the valve body 5.

[0027] In the specific implementation process, it is worth noting that the second sealing ring 21 increases the sealing ring between the disc plate 2 and the valve seat 1 to improve the sealing performance of the disc plate 2;

[0028] Specifically, first, when the fluorine-lined butterfly valve needs to be opened, the staff rotates the valve stem 3, and the valve stem 3 drives the disc plate 2 to rotate, so that the disc plate 2 rotates ninety degrees to open the fluorine-lined butterfly valve as a whole. When the fluorine-lined butterfly valve needs to be closed, the staff rotates the valve stem 3 in the opposite direction to close the fluorine-lined butterfly valve. When the valve seat 1 needs to be disassembled, the staff rotates the nuts 46 on both sides to make the nuts 46 leave the screws 44. The staff removes the screws 44 from the connecting blocks 42 on both sides. At this time, the staff moves the first clamp 41 and the second clamp 45. The first clamp 41 and the second clamp 45 drive the clamping block 43 to leave the clamping hole 47, and separate the first clamp 41 and the second clamp 45 from the outer wall of the valve seat 1 and the outer wall of the valve body 5. The staff removes the valve body 5 Take it out from both sides of the valve seat 1 to complete the disassembly of the valve seat 1. When the valve seat 1 needs to be installed, the staff inserts the valve body 5 into the valve seat 1, and the staff fits the first clamp 41 and the second clamp 45 on the valve seat 1 and the valve body 5. The first clamp 41 drives the third sealing ring 481 to move, and the third sealing ring 481 fits on the valve seat 1 and the valve body 5. The second clamp 45 drives the fourth sealing ring 482 to move, and the fourth sealing ring 482 fits on the valve seat 1 and the valve body 5, so that the clamping block 43 is inserted into the clamping hole 47, and the screw 44 is passed through the two connecting blocks 42. The staff rotates the nut 46 in the opposite direction and rotates the nut 46 onto the screw 44, thereby fixing the valve seat 1 and the valve body 5 together, making it convenient to disassemble the valve seat 1 and shortening the disassembly time.

[0029] Example 2, by Figure 1 and 2 It can be seen that the outer wall of the valve body 5 is installed with a first sealing ring 11. The first sealing ring 11 increases the sealing between the valve body 5 and the valve seat 1, thereby improving the overall sealing of the fluorine-lined butterfly valve. The outer wall of the first sealing ring 11 is in contact with the inner wall of the valve seat 1.

[0030] In the specific implementation process, it is worth noting that the first sealing ring 11 increases the sealing between the valve body 5 and the valve seat 1, thereby improving the overall sealing of the fluorine-lined butterfly valve;

[0031] Furthermore, a flange 51 is fixedly connected to one end of the valve body 5 away from the valve seat 1. The staff installs the fluorine-lined butterfly valve on the pipeline through the flange 51 on the valve body 5 to achieve the installation of the fluorine-lined butterfly valve;

[0032] In the implementation process, it is worth pointing out that the staff installs the fluorine-lined butterfly valve on the pipeline through the flange plate 51 on the valve body 5 to realize the installation of the fluorine-lined butterfly valve.

[0033] Specifically, the first sealing ring 11 increases the sealing between the valve body 5 and the valve seat 1, thereby improving the overall sealing of the fluorine-lined butterfly valve, installing the fluorine-lined butterfly valve on the pipeline, and realizing the installation of the fluorine-lined butterfly valve.

[0034] It should be noted that in this article, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the statement "including a limited element" does not exclude the presence of additional identical elements in the process, method, article or equipment including the element.

[0035] In the present application, unless otherwise specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specified, those skilled in the art can understand the specific meaning of the above terms in the present application according to the specific circumstances.

[0036] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A fluorine-lined butterfly valve with a detachable valve seat, comprising a valve seat (1), characterized in that: A valve body (5) is inserted on both sides of the valve seat (1), a disc plate (2) is provided inside the valve seat (1), a valve stem (3) is inserted on the inner wall of the disc plate (2), the top of the valve stem (3) extends to the outer wall of the valve seat (1), and a disassembly mechanism (4) is provided on the outside of the valve seat (1), and the disassembly mechanism (4) is provided in two groups, and the disassembly mechanism (4) includes: A first clamp (41) is respectively attached to the outer wall of the valve seat (1) and the outer wall of the valve body (5); A second clamp (45) is respectively attached to the outer wall of the valve seat (1) and the outer wall of the valve body (5); A connecting block (42) is fixedly connected to the outer wall of the first clamp (41) and the outer wall of the second clamp (45); A clamping block (43) is fixedly connected to the inner wall of the first clamp (41) and the inner wall of the second clamp (45); Clamping holes (47) are respectively provided on the surfaces of the valve seat (1) and the valve body (5); a screw (44) passing through the connecting block (42); a nut (46) threadedly connected to an outer wall of the screw (44); a sealing assembly (48) disposed outside the valve seat (1); The staff rotates the nut (46) to make the nut (46) leave the outer wall of the screw (44), and then removes the first clamp (41) and the second clamp (45) from the valve seat (1) and the valve body (5). The first clamp (41) and the second clamp (45) drive the clamping block (43) to leave the clamping hole (47), thereby releasing the fixation of the valve seat (1) and the valve body (5), making it convenient to disassemble the valve seat (1), and improving the sealing performance between the two clamps and the valve seat (1) and the valve body (5) through the sealing assembly (48).

2. A fluorine-lined butterfly valve with a detachable valve seat according to claim 1, characterized in that: The sealing assembly (48) includes: A third sealing ring (481) is fixedly connected to the inner wall of the first clamp (41) and is respectively attached to the outer walls of the first clamp (41) and the second clamp (45); a fourth sealing ring (482) fixedly connected to the inner wall of the second clamp (45) and respectively fitted to the outer walls of the first clamp (41) and the second clamp (45); The third sealing ring (481) and the fourth sealing ring (482) cooperate to improve the sealing performance between the first clamp (41) and the second clamp (45) and the valve seat (1) and the valve body (5).

3. The fluorine-lined butterfly valve with a detachable valve seat according to claim 1, characterized in that: A second sealing ring (21) is fixedly connected to the outer wall of the disc plate (2), and a side of the second sealing ring (21) away from the disc plate (2) is in contact with the inner wall of the valve body (5).

4. The fluorine-lined butterfly valve with a detachable valve seat according to claim 1, characterized in that: A first sealing ring (11) is installed on the outer wall of the valve body (5), and the outer wall of the first sealing ring (11) is in contact with the inner wall of the valve seat (1).

5. The fluorine-lined butterfly valve with a detachable valve seat according to claim 1, characterized in that: One end of the valve body (5) away from the valve seat (1) is fixedly connected to a flange (51).

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