Novel interchangeable three-eccentric center butterfly valve

Abstract

The utility model relates to the technical field of fluid control, and discloses a novel interchangeable three-eccentric center butterfly valve which comprises a first shell, the top of the first shell is connected with a second shell, the left side and the right side of the interior of the first shell are both connected with fixing rings, and the left side and the right side of the interior of the first shell are both connected with a sealing ring. A plurality of sliding rods are slidably connected to the outer portion of the fixing ring, the sliding rods are sleeved with springs, one side of each sliding rod is connected with a filtering plate, the other side of each sliding rod is connected with a limiting assembly used for preventing the corresponding sliding rod from falling off, and a fixing plate is connected to the middle end of the interior of the second shell. According to the utility model, impurities in water flow can be filtered through the arrangement of the filter plate, and the impact force generated when the water flow impacts the outside of the filter plate can be absorbed through the arrangement of the spring, so that the service life of the device can be prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of fluid control, in particular to a novel interchangeable three-eccentric butterfly valve. Background Art

[0002] In the industrial field, this butterfly valve is widely used in various fluid control systems, such as chemical plants, petrochemicals, power stations, etc. It can quickly adjust the fluid medium, has good flow control and fluid sealing performance, especially in high temperature, high pressure and corrosive environments. In water treatment and water supply systems, interchangeable three-eccentric butterfly valves are used to control and regulate water flow, such as in pools, reservoirs, water supply pipelines and sewage treatment plants. Its excellent sealing and corrosion resistance ensure long-term stable operation.

[0003] However, when the existing partially interchangeable three-eccentric butterfly valve is in use, the impact force of the water flow and impurities contained in the water flow, such as particles, will enter the interior of the device, and the impurities entering the interior of the device will cause damage to the device, thereby reducing the service life of the device. It is then necessary to buffer the impact force of the water flow and filter the impurities contained in the water flow. Therefore, a new interchangeable three-eccentric butterfly valve is proposed to solve the above problems. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a novel interchangeable three-eccentric butterfly valve, aiming to improve the problem that the prior art cannot absorb the impact force of the water flow and filter the water flow.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A novel interchangeable three-eccentric butterfly valve, including a novel interchangeable three-eccentric butterfly valve, including a shell one, the top of the shell one is connected to a shell two, the inside of the shell one is connected to fixed rings on both sides, the outside of the fixed ring is slidably connected to a plurality of sliding rods, the outside of the sliding rod is sleeved with a spring, one side of the sliding rod is connected to a filter plate, the other side of the sliding rod is connected to a limit assembly for preventing the sliding rod from falling off, the middle end of the inside of the shell two is connected to a fixed plate, the middle of the fixed plate is connected to a stabilizing assembly for making the device run more stably, and the middle of the stabilizing assembly is connected to a rotating rod;

[0007] As a further description of the above technical solution:

[0008] The limiting assembly comprises a limiting block, the middle portion of which is connected to the outside of the sliding rod, and the outside of the limiting block is in contact with the outside of the fixing ring;

[0009] As a further description of the above technical solution:

[0010] The top of the rear side of the second housing is rotatably connected with a rotating column, the rear side of the outside of the rotating column is connected with a handle, the front side of the rotating column is connected with a transmission assembly for transmitting power, the bottom end of the interior of the second housing is connected with a partition, and the bottom of the rotating rod is connected with a valve body;

[0011] As a further description of the above technical solution:

[0012] The stabilizing assembly includes a bearing, a middle portion of the bearing is connected to an outer portion of the rotating rod, and an outer portion of the bearing is connected to a middle portion of the fixing plate;

[0013] As a further description of the above technical solution:

[0014] One end of the spring is connected to the outside of the filter plate, and the other end of the spring is connected to the outside of the fixing ring;

[0015] As a further description of the above technical solution:

[0016] The outside of the filter plate is in contact with the inner wall of the housing 1, and the bottom of the rotating rod is rotatably connected to the inside of the housing 1;

[0017] As a further description of the above technical solution:

[0018] The transmission assembly includes a worm, the middle part of which is connected to the front side of the rotating column, the top of the rotating rod is connected to a worm wheel, and the worm and the worm wheel are meshingly connected;

[0019] As a further description of the above technical solution:

[0020] The bottom of the rotating rod is rotatably connected to the middle of the partition, and the rear side of the rotating column penetrates the rear inner wall of the second shell and extends outward.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, the filter plate is provided to filter impurities in the water flow, thereby preventing the impurities in the water flow from entering the interior of the device and causing damage to the device. The spring is provided to absorb the impact force generated by the water flow hitting the outside of the filter plate, thereby increasing the service life of the device.

[0023] 2. In the present invention, the bearing is arranged to enable the rotating rod to rotate more stably when the valve body is adjusted, and the amount of water flow passing through the interior of the housing can be controlled by the rotation of the rotating rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1A three-dimensional schematic diagram of a novel interchangeable three-eccentric butterfly valve proposed by the utility model;

[0025] Figure 2 This is a schematic diagram of the structure inside the housing of a novel interchangeable three-eccentric butterfly valve proposed by the utility model;

[0026] Figure 3 for Figure 2 A magnified image of point A;

[0027] Figure 4 The utility model is a schematic diagram of the structure inside the shell 2 of a novel interchangeable three-eccentric butterfly valve.

[0028] Legend:

[0029] 1. Shell 1; 2. Shell 2; 3. Fixed ring; 4. Sliding rod; 5. Spring; 6. Limit block; 7. Filter plate; 8. Partition plate; 9. Rotating rod; 10. Worm gear; 11. Valve body; 12. Fixed plate; 13. Bearing; 14. Rotating column; 15. Handle; 16. Worm. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Reference Figure 1 - Figure 3 The utility model provides an embodiment: a novel interchangeable three-eccentric butterfly valve, comprising a shell 1, a shell 2 2 is connected to the top of the shell 1, so that the shell 1 can provide support for the shell 2 2, the left and right sides of the interior of the shell 1 are connected with a fixing ring 3, and then the shell 1 can provide support for the fixing ring 3, the outside of the fixing ring 3 is slidably connected with a plurality of sliding rods 4, and then the fixing ring 3 can provide support for the sliding rod 4, the outside of the sliding rod 4 is sleeved with a spring 5, one side of the sliding rod 4 is connected with a filter plate 7, so that when the filter plate 7 moves, it will drive the sliding rod 4 to move, one end of the spring 5 is connected to the outside of the filter plate 7, and the other end of the spring 5 is connected to the outside of the fixing ring 3, and then when the filter plate 7 moves, it will compress the spring 5, and the other side of the sliding rod 4 is connected with a limit assembly for preventing the sliding rod 4 from falling off, so that the limit assembly can limit the sliding rod 4.

[0032] The limiting assembly includes a limiting block 6, the middle part of which is connected to the outside of the sliding rod 4, so that the limiting block 6 can limit the sliding rod 4, the outside of the limiting block 6 is in contact with the outside of the fixing ring 3, and then the fixing ring 3 can provide support for the limiting block 6, the inner middle end of the shell 2 is connected with a fixing plate 12, and then the shell 2 can provide support for the fixing plate 12, the middle part of the fixing plate 12 is connected with a stabilizing assembly for making the device run more stably, so that the fixing plate 12 can provide support for the stabilizing assembly, the middle part of the stabilizing assembly is connected with a rotating rod 9, and then the stabilizing assembly can make the rotating rod 9 rotate more stably, the outside of the filter plate 7 is in contact with the inner wall of the shell 1, and the bottom of the rotating rod 9 is rotatably connected to the inside of the shell 1, the stabilizing assembly includes a bearing 13, the middle part of the bearing 13 is connected to the outside of the rotating rod 9, so that the bearing 13 can make the rotating rod 9 rotate more stably, the outside of the bearing 13 is connected to the middle part of the fixing plate 12, and then the fixing plate 12 can provide support for the bearing 13.

[0033] Reference Figure 4 The top of the rear side of the shell 2 is rotatably connected to a rotating column 14, so that the shell 2 can provide support for the rotating column 14, and the bottom of the rotating rod 9 is rotatably connected to the middle of the partition 8, so that the partition 8 can make the rotating rod 9 rotate more stably, and the rear side of the rotating column 14 passes through the rear inner wall of the shell 2 and extends outward. The outer rear side of the rotating column 14 is connected to a handle 15, and rotating the handle 15 can make the handle 15 drive the rotating column 14 to rotate, and the front side of the rotating column 14 is connected to a transmission component for transmitting power.

[0034] The transmission assembly includes a worm 16, the middle part of which is connected to the front side of the rotating column 14, so that the rotating column 14 drives the worm 16 to rotate when it rotates, and the top of the rotating rod 9 is connected to the worm wheel 10, and the worm 16 and the worm wheel 10 are meshingly connected, so that the worm 16 drives the rotating rod 9 to rotate when it rotates, and then the worm 16 drives the worm wheel 10 to rotate when it rotates, and then the worm wheel 10 drives the rotating rod 9 to rotate when it rotates, and the inner bottom end of the shell 2 is connected to the partition 8, and the bottom of the rotating rod 9 is connected to the valve body 11, so that the rotating rod 9 drives the valve body 11 to rotate when it rotates.

[0035] When in use: first connect the water pipe to the interior of the shell 1, so that the water flow inside the water pipe will first press the filter plate 7, so that the filter plate 7 will drive the sliding rod 4 to slide inside the shell 1, and then the filter plate 7 will compress the spring 5 during movement, and then the impact force generated by the water flow hitting the outside of the filter plate 7 will be absorbed under the force of the spring 5 returning to its original position, thereby preventing the filter plate 7 from being damaged by excessive impact force of the water flow, and further, by setting the filter plate 7, impurities in the water flow can be prevented from entering the interior of the device, thereby preventing impurities in the water flow from damaging the interior of the device.

[0036] When it is necessary to adjust the amount of water discharged from the device, the handle 15 can be rotated to drive the rotating column 14 to rotate, so that the rotating column 14 will drive the worm 16 to rotate when it rotates, and then the worm 16 will drive the worm wheel 10 to rotate when it rotates, and then the worm wheel 10 will drive the rotating rod 9 to rotate when it rotates, so that the rotating rod 9 will drive the valve body 11 to rotate when it rotates, and then the valve body 11 can adjust the amount of water discharged from the shell 1 when it rotates, and then the setting of the bearing 13 can make the rotating rod 9 rotate more stably.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A novel interchangeable triple-eccentric butterfly valve, comprising a housing (1), characterized in that: The top of the shell one (1) is connected to the shell two (2), the inside of the shell one (1) is connected to fixed rings (3) on both left and right sides, the outside of the fixed ring (3) is slidably connected to a plurality of sliding rods (4), the outside of the sliding rods (4) is sleeved with springs (5), one side of the sliding rods (4) is connected to a filter plate (7), the other side of the sliding rods (4) is connected to a limit assembly for preventing the sliding rods (4) from falling off, the middle end of the inside of the shell two (2) is connected to a fixed plate (12), the middle part of the fixed plate (12) is connected to a stabilizing assembly for making the device run more stably, and the middle part of the stabilizing assembly is connected to a rotating rod (9).

2. A novel interchangeable triple eccentric butterfly valve according to claim 1, characterized in that: The limiting assembly comprises a limiting block (6), the middle portion of the limiting block (6) is connected to the outside of the sliding rod (4), and the outside of the limiting block (6) is in contact with the outside of the fixing ring (3).

3. A novel interchangeable triple eccentric butterfly valve according to claim 1, characterized in that: The top of the rear side of the second shell (2) is rotatably connected to a rotating column (14), the outer rear side of the rotating column (14) is connected to a handle (15), the front side of the rotating column (14) is connected to a transmission assembly for transmitting power, the inner bottom end of the second shell (2) is connected to a partition (8), and the bottom of the rotating rod (9) is connected to a valve body (11).

4. A novel interchangeable triple eccentric butterfly valve according to claim 1, characterized in that: The stabilizing assembly comprises a bearing (13), the middle portion of the bearing (13) being connected to the outside of the rotating rod (9), and the outside of the bearing (13) being connected to the middle portion of the fixing plate (12).

5. The novel interchangeable triple eccentric butterfly valve according to claim 1 is characterized in that: One end of the spring (5) is connected to the outside of the filter plate (7), and the other end of the spring (5) is connected to the outside of the fixing ring (3).

6. The novel interchangeable triple eccentric butterfly valve according to claim 1 is characterized in that: The outside of the filter plate (7) is in contact with the inner wall of the shell one (1), and the bottom of the rotating rod (9) is rotatably connected to the inside of the shell one (1).

7. A novel interchangeable triple eccentric butterfly valve according to claim 3, characterized in that: The transmission assembly comprises a worm (16), the middle portion of the worm (16) is connected to the front side of the rotating column (14), the top of the rotating rod (9) is connected to a worm wheel (10), and the worm (16) and the worm wheel (10) are meshingly connected.

8. The novel interchangeable triple eccentric butterfly valve according to claim 3 is characterized in that: The bottom of the rotating rod (9) is rotatably connected to the middle of the partition (8), and the rear side of the rotating column (14) penetrates the rear inner wall of the second shell (2) and extends outward.

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