Novel eccentric semi-ball valve

By designing the bracket structure and bolt connection method of the new eccentric hemisphere valve, the problem of inconvenient installation and disassembly operation in the prior art is solved, and the rapid and convenient valve body installation and removal is achieved, and efficiency and flexibility are improved.

CN222479516UActive Publication Date: 2025-02-14ZHEJIANG MOENDA VALVE CO LTD

Patent Information

Application Number
CN202421358898.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-14
Publication Date
2025-02-14
Estimated Expiration
2034-06-14

AI Technical Summary

Technical Problem

The existing eccentric hemisphere valves are inconvenient to operate during installation and disassembly, which takes a long time and affects operating efficiency.

Method used

A new eccentric hemisphere valve is designed, and an effective bracket is formed through a base plate, a column, a connecting plate and a support block. The valve body is installed and fixed by multiple first bolts and thread grooves, which is simple and convenient to operate.

Benefits of technology

It realizes rapid installation and removal of valve bodies, saving time, improving efficiency, improving flexibility, saving manpower, and easy maintenance and replacement.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a novel eccentric semi-ball valve which comprises a valve body and a bottom plate, a valve pipe is fixedly connected to the side edge of the valve body, a flange is fixedly connected to the side edge of the valve pipe, a stand column is fixedly connected to the top of the bottom plate, a supporting block is fixedly connected to the top of the stand column and is in an arc shape, a connecting plate is installed on the inner side of the bottom plate, and a fixing block is installed on the top of the valve pipe. The fixing block is in an arc shape, first protruding blocks are arranged on the side edge of the fixing block, second protruding blocks are arranged on the side edge of the supporting block, through holes are formed in the first protruding blocks, threaded grooves are formed in the tops of the second protruding blocks, first bolts are arranged in the through holes, the first bolts are in threaded connection with the threaded grooves, and the number of the first protruding blocks is two, and the number of the second protruding blocks is two. The two first protruding blocks are distributed on the front side and the rear side of the fixing block, the two second protruding blocks are distributed on the front side and the rear side of the supporting block, and moving wheels are installed at the bottom of the bottom plate. The device is easy to operate and convenient to install, saves time, improves efficiency, improves flexibility, saves manpower, and is easy to detach and convenient to maintain and replace.
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Description

Technical Field

[0001] The utility model relates to the technical field of eccentric hemispherical valves, in particular to a novel eccentric hemispherical valve. Background Art

[0002] The eccentric semi-ball valve is a relatively new type of ball valve. It has some advantages unique to its own structure, such as friction-free switching, non-wear seals, and small opening and closing torque. This can reduce the specifications of the actuators. Equipped with a multi-turn electric actuator, it can achieve adjustment and strict shutoff of the medium. It is widely used in petroleum, chemical industry, urban water supply and drainage and other working conditions that require strict shutoff. The utility model patent with application number: CN202221331313.1 discloses an eccentric semi-ball valve, including an eccentric semi-ball valve body. The bottom of the eccentric semi-ball valve body is provided with a base, and the top of the base is provided with two mounting grooves. The two mounting grooves are arranged on the left and right, and mounting blocks are movably installed in the inner cavities of the two mounting grooves. The top of the mounting block extends to the top of the mounting groove and is fixedly connected to the bottom of the eccentric semi-ball valve body. Slots are provided on the side away from the two mounting blocks, and circular grooves are provided on the left and right sides of the base. The circular grooves are connected to the adjacent A transverse groove is provided between the installation grooves, and a plug rod is movably connected to the inner cavity of the transverse groove. One end of the plug rod extends to the outside of the transverse groove and is inserted into the inner cavity of the adjacent slot, and the other end of the plug rod is fixedly connected to a rotating rod, and a round block is movably connected to the outer side of the rotating rod, and the round block is movably connected to the inner cavity of the circular groove, and a side block is fixedly connected to the side of the round block away from the plug rod, and the side block is located on the outer side of the base, and pulleys are installed near the four corners of the bottom of the base, and a transverse plate is provided between the two pulleys on the front side, and two vertical blocks are fixedly connected to the top of the transverse plate, and the tops of the two vertical blocks are fixedly connected to the bottom of the base , a positioning mechanism is commonly provided on the left and right sides of the horizontal plate; the positioning mechanism comprises two horizontal bars, the two horizontal bars are arranged on the left and right sides, and the two horizontal bars are fixedly connected with brake pads at one end away from each other, side grooves are provided on the left and right sides of the horizontal plate, the opposite ends of the two horizontal bars extend to the inner cavity of the side grooves, and are fixedly connected with springs, the springs are fixedly connected with one side of the inner wall of the side grooves, two threaded grooves are provided on the top of the horizontal bar, through holes are provided at the top of the horizontal plate near the left and right sides, and bolts are provided at the top of the horizontal plate near the left and right sides, the bottom ends of the bolts pass through the through holes and are threadedly connected in the inner cavity of the threaded grooves; the cross section of the brake pad is arranged in an arc shape, and the two brake pads are fixedly connected with wear-resistant pads at one side away from each other; a slider is fixedly connected with the bottom of the plug rod, a slide groove is provided at the bottom of the horizontal groove, and the slider is movably connected in the inner cavity of the slide groove; an external thread is provided on the outer side of the round block, an internal thread is provided on the inner wall of the round groove, and the round block is threadedly connected in the inner cavity of the round groove; two pads are fixedly connected with the top of the base, the two pads are arranged on the left and right sides, and the tops of the two pads are both fitted with the bottom of the eccentric semi-ball valve body; the mounting block is matched with the mounting groove. The mounting block needs to be aligned before entering the mounting groove, but the length and width of the mounting block and the mounting groove are too small, which is inconvenient to operate, time-consuming and affects work efficiency. Utility Model Content

[0003] The utility model aims to solve the problems existing in the above-mentioned prior art and provides a novel eccentric semi-ball valve which is simple to operate and convenient to install, saves time and improves efficiency, improves flexibility and saves manpower, and is easy to dismantle for maintenance and replacement.

[0004] The utility model adopts a technical solution to solve its technical problems: this novel eccentric hemispheric valve comprises a valve body and a bottom plate, wherein the side of the valve body is fixedly connected with a valve pipe, the side of the valve pipe is fixedly connected with a flange, the flange and the valve pipe are respectively two, a column is fixedly connected with the top of the bottom plate, a support block is fixedly connected with the top of the column, the support block is arc-shaped, and a semicircular groove is provided on the top of the support block, the bottom plate and the support block are respectively two, a connecting plate is installed on the inner side of the bottom plate, the valve pipe is in the groove of the support block, a fixing block is installed on the top of the valve pipe, the fixing block is arc-shaped, and the semicircular groove at the bottom of the fixing block fits the side surface of the valve pipe, a first protrusion is arranged on the side of the fixing block, a second protrusion is arranged on the side of the support block, a through hole is opened inside the first protrusion, a threaded groove is opened on the top of the second protrusion, a first bolt is arranged inside the through hole, the first bolt is threadedly connected to the threaded groove, the first protrusion and the second protrusion are respectively two, the two first protrusions are distributed on the front and rear sides of the fixing block, the two second protrusions are distributed on the front and rear sides of the support block, and the bottom of the bottom plate is installed The movable wheel, the base plate, the column, the connecting plate and the supporting block form an effective bracket, the two valve tubes on the sides of the valve body are placed in the semicircular grooves of the two supporting blocks, the valve body is placed, and two fixing blocks are obtained, the two fixing blocks correspond to each other respectively, the semicircular grooves at the bottom of the two fixing blocks fit the side surface of the valve tube, the first protrusion corresponds to the second protrusion, and a plurality of first bolts are obtained, the plurality of first bolts pass through the plurality of through holes respectively, and the plurality of first bolts are respectively threadedly connected with the plurality of thread grooves, the overall angular position of the valve body is adjusted in time, and the plurality of first bolts are tightened with the help of a wrench to realize the installation and fixation of the valve body on the bracket, when the eccentric hemispheric valve needs to be dismantled and repaired, the plurality of first bolts are screwed out with the help of a wrench, the plurality of first bolts are respectively disengaged from the plurality of thread grooves, the two fixing blocks are removed, and the valve body is moved away from the two supporting blocks to realize the removal of the valve body from the bracket, the operation is simple and convenient to install, time is saved and efficiency is improved, flexibility is improved and manpower is saved, and it is easy to dismantle and easy to repair and replace.

[0005] In order to further improve it, a valve stem is arranged on the top of the valve body, and the valve stem is connected to the hemispherical valve core inside the valve body. A hand wheel is arranged on the top of the valve stem. The hand wheel is operated to drive the valve stem to rotate, and the valve stem drives the hemispherical valve core to rotate, so that the eccentric hemispherical valve is opened and closed. The steps are simple and easy to use.

[0006] For further improvement, a rubber pad is arranged in the semicircular groove of the support block, and a rubber pad is also arranged in the semicircular groove of the fixed block. The rubber pad fits the side surface of the valve tube. The rubber pad improves protection and avoids direct contact between the support block and the fixed block and the valve tube. The rubber pad increases friction and avoids random movement of the valve tube and the valve body as a whole, thereby improving stability.

[0007] For further improvement, the valve body is provided with multiple connecting plates and columns between the two supporting blocks, the multiple columns provide effective support, and the multiple connecting plates increase the overall strength and improve the overall stress.

[0008] For further improvement, a first prism is fixedly connected to the bottom of the base plate, a hexagonal groove is provided at the bottom of the first prism, a second prism is fixedly connected to the top of the moving wheel, the second prism and the hexagonal groove are plugged into each other, there are multiple first prisms and moving wheels, a hand-tightening bolt is provided on the side of the first prism, the hand-tightening bolt passes through the first prism and is connected to the second prism, the second prism is plugged into the hexagonal groove to realize the installation of the moving wheel, a through hole is provided on the side of the first prism, a threaded groove is provided on the side of the second prism, the hand-tightening bolt passes through the through hole and is connected to the threaded groove, thereby realizing effective fixation of the moving wheel and preventing the moving wheel from detaching.

[0009] For further improvement, a third prism is inserted into the hexagonal groove, the third prism, the second prism and the first prism are all hexagonal prisms, a rubber sleeve is sleeved on the bottom of the third prism, a hand-tightened bolt passes through the first prism and is connected to the third prism, multiple third prisms and multiple rubber sleeves interact with each other to form a support foot, which provides effective support with balanced force and ensures the stability of the eccentric hemispherical valve.

[0010] To be further improved, an installation groove is opened on the inner side of the base plate, the connecting plate is inserted into the installation groove, a second bolt is arranged on the side of the base plate, the second bolt passes through the base plate and is connected to the connecting plate, a through hole is arranged on the side of the base plate, and threaded grooves are arranged at both ends of the connecting plate. The second bolt is detached from the threaded groove to facilitate the removal of the connecting plate, and the bracket is further disassembled for easy carrying and transportation, saving manpower and improving efficiency.

[0011] For further improvement, a protective sheet is provided on the side surface of the second bolt, the protective sheet abuts against the side edge of the base plate, and the protective sheet improves effective protection to avoid direct wear between the second bolt and the side edge of the base plate.

[0012] The beneficial effects of the utility model are:

[0013] 1. An effective bracket is formed by a base plate, a column, a connecting plate and a supporting block, and the two valve tubes on the sides of the valve body are placed in the semicircular grooves of the two supporting blocks, and the valve body is placed, and two fixing blocks are obtained, and the two fixing blocks correspond to each other respectively, and the semicircular grooves at the bottom of the two fixing blocks fit the side surface of the valve tube, and the first convex block corresponds to the second convex block, and a plurality of first bolts are obtained, and the plurality of first bolts pass through the plurality of through holes respectively, and the plurality of first bolts are respectively threadedly connected with the plurality of thread grooves, and the overall angular position of the valve body is adjusted in time, and the plurality of first bolts are tightened with the help of a wrench to realize the installation and fixation of the valve body on the bracket. When the eccentric hemispheric valve needs to be dismantled and repaired, the plurality of first bolts are screwed out with the help of a wrench, and the plurality of first bolts are respectively disengaged from the plurality of thread grooves, and the two fixing blocks are removed, and the valve body is moved away from the two supporting blocks to realize the removal of the valve body from the bracket. The operation is simple and convenient for installation, which saves time and improves efficiency, improves flexibility and saves manpower, and is easy to dismantle for maintenance and replacement.

[0014] 2. The moving wheel is installed by inserting the second prism into the hexagonal groove. A through hole is set on the side of the first prism, and a threaded groove is set on the side of the second prism. The hand-tightened bolt passes through the through hole and is connected to the threaded groove to achieve effective fixation of the moving wheel and prevent the moving wheel from detaching. Multiple third prisms and multiple rubber sleeves interact with each other to form a support foot, which provides effective support with balanced force and ensures the stability of the eccentric hemispherical valve.

[0015] 3. Through holes are set on the side of the bottom plate, and thread grooves are set at both ends of the connecting plate. The second bolt is disengaged from the thread groove to facilitate the removal of the connecting plate. The bracket is further decomposed, which is convenient for carrying and transportation, saving manpower and improving efficiency. The protective sheet improves effective protection and avoids direct wear between the second bolt and the side of the bottom plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 For the utility model Figure 1 Enlarged view of point A in the middle;

[0018] Figure 3 This is a first bolt activity display diagram of the utility model;

[0019] Figure 4 For the utility model Figure 1 Enlarged view of point B in the middle;

[0020] Figure 5 This is a second bolt activity display diagram of the utility model;

[0021] Figure 6 This is a display diagram of the installation of the third prism of the utility model;

[0022] Figure 7 This is a display diagram of the installation of the mobile wheel of the utility model;

[0023] Figure 8 It is a structural front view of the utility model.

[0024] Explanation of the accompanying drawings: 1. valve body; 2. base plate; 3. valve pipe; 4. flange; 5. column; 6. support block; 7. connecting plate; 8. fixing block; 9. first protrusion; 10. second protrusion; 11. through hole; 12. threaded groove; 13. first bolt; 14. moving wheel; 15. valve stem; 16. hand wheel; 17. first prism; 18. hexagonal groove; 19. second prism; 20. hand-tightening bolt; 21. third prism; 22. rubber sleeve; 23. mounting groove; 24. second bolt. DETAILED DESCRIPTION

[0025] The following is combined with Figure 1-8 This embodiment is further described:

[0026] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 8 As shown: In this embodiment, a new type of eccentric hemispherical valve includes a valve body 1 and a bottom plate 2. A valve pipe 3 is fixedly connected to the side of the valve body 1. A flange 4 is fixedly connected to the side of the valve pipe 3. The flange 4 and the valve pipe 3 each have two. A column 5 is fixedly connected to the top of the bottom plate 2. A support block 6 is fixedly connected to the top of the column 5. The support block 6 is arc-shaped. There is a semicircular groove on the top of the support block 6. There are two bottom plates 2 and support blocks 6 respectively. A connecting plate 7 is installed on the inner side of the bottom plate 2. The valve pipe 3 is in the groove of the support block 6. A fixed block 8 is installed on the top of the valve pipe 3. The fixed block 8 is arc-shaped. The semicircular groove at the bottom of the fixed block 8 fits the side surface of the valve pipe 3. A first convex block 9 is arranged on the side of the fixed block 8. A second convex block 10 is arranged on the side of the support block 6. A through hole 1 is opened inside the first convex block 9. 1, a thread groove 12 is provided on the top of the second protrusion 10, a first bolt 13 is provided inside the through hole 11, the first bolt 13 is threadedly connected with the thread groove 12, there are two first protrusions 9 and two second protrusions 10, the two first protrusions 9 are distributed on the front and rear sides of the fixed block 8, the two second protrusions 10 are distributed on the front and rear sides of the supporting block 6, a moving wheel 14 is installed at the bottom of the bottom plate 2, a valve stem 15 is provided on the top of the valve body 1, the valve stem 15 is connected to the hemispherical valve core inside the valve body 1, a hand wheel 16 is provided on the top of the valve stem 15, a rubber pad is provided in the semicircular groove of the supporting block 6, a rubber pad is also provided in the semicircular groove of the fixed block 8, the rubber pad fits the side surface of the valve pipe 3, the valve body 1 is between the two supporting blocks 6, and there are multiple connecting plates 7 and columns 5.

[0027] like Figure 1 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown: a first prism 17 is fixedly connected to the bottom of the bottom plate 2, a hexagonal groove 18 is provided at the bottom of the first prism 17, a second prism 19 is fixedly connected to the top of the moving wheel 14, the second prism 19 and the hexagonal groove 18 are plugged into each other, there are multiple first prisms 17 and moving wheels 14, a hand bolt 20 is provided on the side of the first prism 17, the hand bolt 20 passes through the first prism 17 and is connected to the second prism 19, a third prism 21 is plugged into the hexagonal groove 18, the third prism 21, the second prism 19 and the first prism 17 are all hexagonal prisms, a rubber sleeve 22 is sleeved on the bottom of the third prism 21, and the hand bolt 20 passes through the first prism 17 and is connected to the third prism 21.

[0028] like Figure 1 , Figure 4 , Figure 5 and Figure 8 As shown: a mounting groove 23 is opened on the inner side of the bottom plate 2, the connecting plate 7 is inserted into the mounting groove 23, a second bolt 24 is arranged on the side of the bottom plate 2, the second bolt 24 passes through the bottom plate 2 and is connected to the connecting plate 7, and a protective sheet is provided on the side surface of the second bolt 24, which abuts against the side of the bottom plate 2.

[0029] When the utility model is in use: multiple connecting plates 7 are simultaneously plugged into the mounting groove 23 of the left bottom plate 2, and multiple connecting plates 7 are then simultaneously plugged into the mounting groove 23 of the right bottom plate 2, multiple second bolts 24 are obtained, and multiple second bolts 24 pass through the bottom plate 2 and are connected to the connecting plates 7, and multiple second bolts 24 are tightened with a wrench, and the bottom plate 2, the column 5, the connecting plate 7 and the supporting block 6 form an effective bracket, and multiple third prisms 21 are obtained, and multiple third prisms 21 are mutually sleeved with multiple rubber sleeves 22, and multiple third prisms 21 are respectively plugged into the inside of the hexagonal groove 18, and multiple hand-tightening bolts 20 are obtained, and multiple hand-tightening bolts 20 pass through multiple first prisms 17 and are connected with multiple third prisms 21. A plurality of third prisms 21 and a plurality of rubber sleeves 22 interact with each other to form a support foot. The two valve tubes 3 on the sides of the valve body 1 are placed in the semicircular grooves of the two support blocks 6. The valve body 1 is placed, and two fixing blocks 8 are obtained. The two fixing blocks 8 correspond to the two support blocks 6 respectively. The semicircular grooves at the bottom of the two fixing blocks 8 fit the side surface of the valve tube 3. The first protrusion 9 corresponds to the second protrusion 10. A plurality of first bolts 13 are obtained. The plurality of first bolts 13 pass through the plurality of through holes 11 respectively. The plurality of first bolts 13 are threadedly connected with the plurality of thread grooves 12 respectively. The overall angular position of the valve body 1 is adjusted in time. The plurality of first bolts 13 are tightened with the help of a wrench to realize the installation and fixation of the valve body 1 on the bracket. The third prism 21 provides effective support by balanced force to ensure the stability of the eccentric hemispherical valve. When the eccentric hemispherical valve needs to be dismantled for maintenance, the multiple first bolts 13 are screwed out with the help of a wrench, and the multiple first bolts 13 are respectively disengaged from the multiple threaded grooves 12, and the two fixing blocks 8 are removed, and the valve body 1 is moved away from the two supporting blocks 6 to realize the removal of the valve body 1 from the bracket. The operation is simple and convenient for installation, saving time and improving efficiency, improving flexibility and saving manpower, and being easy to dismantle and repair and replace. When the eccentric hemispherical valve needs to be moved and transferred, the multiple hand-tightened bolts 20 are screwed out, and the valve body 1 and the bracket are tilted to the left as a whole, the bottom plate 2 on the right side is lifted, and the third prism 21 is pulled out from the hexagonal groove 18, and then the moving wheel 14 is connected The second prism 19 is inserted into the hexagonal groove 18, and then the hand-tightening bolt 20 is obtained. The hand-tightening bolt 20 passes through the first prism 17 and is connected to the second prism 19, completing the installation of one moving wheel 14. Refer to this operation to complete the installation of the second moving wheel 14, lay the valve body 1 and the bracket flat as a whole, and the two moving wheels 14 are in contact with the ground. Then the valve body 1 and the bracket are tilted to the right as a whole, and the bottom plate 2 on the left is lifted. The third prism 21 is pulled out of the hexagonal groove 18. Refer to the previous operation to complete the installation and fixation of the third and fourth moving wheels 14. After the four moving wheels 14 are installed, push the valve body 1 and the bracket as a whole, and use the four moving wheels 14 to move, so that the eccentric hemispherical valve can be easily moved and transferred.

[0030] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A novel eccentric hemispherical valve, comprising a valve body (1) and a base plate (2), characterized in that: The valve body (1) is fixedly connected to a valve tube (3) on the side, and a flange (4) is fixedly connected to the side of the valve tube (3), and there are two flanges (4) and two valve tubes (3). The top of the bottom plate (2) is fixedly connected to a column (5), and the top of the column (5) is fixedly connected to a support block (6), and the support block (6) is arc-shaped, and there is a semicircular groove on the top of the support block (6). There are two bottom plates (2) and two support blocks (6), and a connecting plate (7) is installed on the inner side of the bottom plate (2). The valve tube (3) is in the groove of the support block (6), and a fixed block (8) is installed on the top of the valve tube (3). The fixed block (8) is arc-shaped, and the semicircular groove at the bottom of the fixed block (8) fits the valve tube (3). ) side surface, a first protrusion (9) is arranged on the side of the fixing block (8), a second protrusion (10) is arranged on the side of the supporting block (6), a through hole (11) is provided inside the first protrusion (9), a thread groove (12) is provided on the top of the second protrusion (10), a first bolt (13) is provided inside the through hole (11), the first bolt (13) is threadedly connected to the thread groove (12), there are two first protrusions (9) and two second protrusions (10), the two first protrusions (9) are distributed on the front and rear sides of the fixing block (8), the two second protrusions (10) are distributed on the front and rear sides of the supporting block (6), and a moving wheel (14) is installed at the bottom of the bottom plate (2).

2. According to claim 1, the novel eccentric hemispherical valve is characterized in that: A valve stem (15) is arranged on the top of the valve body (1), the valve stem (15) is connected to a hemispherical valve core inside the valve body (1), and a hand wheel (16) is arranged on the top of the valve stem (15).

3. The novel eccentric hemispherical valve according to claim 1 is characterized in that: A rubber pad is arranged in the semicircular groove of the support block (6), and a rubber pad is also arranged in the semicircular groove of the fixing block (8), and the rubber pad fits the side surface of the valve tube (3).

4. The novel eccentric hemispherical valve according to claim 1 is characterized in that: The valve body (1) is between two support blocks (6), and there are multiple connecting plates (7) and columns (5).

5. The novel eccentric hemispherical valve according to claim 1 is characterized in that: The bottom of the bottom plate (2) is fixedly connected to a first prism (17), the bottom of the first prism (17) is provided with a hexagonal groove (18), the top of the moving wheel (14) is fixedly connected to a second prism (19), the second prism (19) and the hexagonal groove (18) are plugged into each other, there are a plurality of first prisms (17) and moving wheels (14), a hand-tightening bolt (20) is provided on the side of the first prism (17), and the hand-tightening bolt (20) passes through the first prism (17) and is connected to the second prism (19).

6. The novel eccentric hemispherical valve according to claim 5 is characterized in that: A third prism (21) is inserted into the hexagonal groove (18); the third prism (21), the second prism (19) and the first prism (17) are all hexagonal prisms; a rubber sleeve (22) is sleeved on the bottom of the third prism (21); a hand-tightening bolt (20) passes through the first prism (17) and is connected to the third prism (21).

7. The novel eccentric hemispherical valve according to claim 1 is characterized in that: The bottom plate (2) is provided with a mounting groove (23) on its inner side, the connecting plate (7) is inserted into the mounting groove (23), and a second bolt (24) is provided on the side of the bottom plate (2), the second bolt (24) passes through the bottom plate (2) and is connected to the connecting plate (7).

8. The novel eccentric hemispherical valve according to claim 7 is characterized in that: The side surface of the second bolt (24) is provided with a protective sheet, which abuts against the side edge of the bottom plate (2).

Citation Information

Patent Citations

  • Eccentric semi-ball valve

    CN217633990U

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