Novel adjustable butterfly valve

Abstract

The utility model discloses a novel adjustable butterfly valve, which belongs to the technical field of butterfly valves, and comprises a shell, the right end of the shell is fixedly connected with a communicating pipe, the upper surface of the shell is fixedly connected with a sealing block, a valve rod is arranged in the sealing block, the outer surface of the valve rod is fixedly connected with a valve plate, and the valve plate is fixedly connected with the communicating pipe. A servo motor is arranged above the sealing block, the output end of the servo motor is fixedly connected with the top end of the valve rod, an induction opening is formed in the upper surface of the communicating pipe, an internal thread mounting seat is fixedly connected to the upper surface of the communicating pipe, and a water pressure sensor is in threaded connection with the inner wall of the internal thread mounting seat; the bottom end of the water pressure sensor penetrates through the sensing opening and extends into the communicating pipe, the upper surface of the sealing block is fixedly connected with a supporting cover, and the top end of the supporting cover is fixedly connected with a top plate. The novel adjustable butterfly valve is provided with a structure capable of automatically adjusting the water flow pressure, and the flexibility of controlling the water flow pressure is improved.

Description

Technical Field

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

[0002] A butterfly valve, also known as a flap valve, is a regulating valve with a simple structure. It can be used for the on-off control of low-pressure pipeline media. A butterfly valve refers to a valve with a closing member as a disc, which rotates around the valve axis to achieve opening and closing. The valve can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media, and mainly plays a role of cutting off and throttling in pipelines.

[0003] The driving forms of butterfly valves include manual and worm gear transmission, but the current butterfly valves do not have a structure for automatically adjusting the water flow pressure, and manual control of the water flow pressure is required, which reduces the flexibility of controlling the water flow pressure. Therefore, technical personnel in this field provide a new type of adjustable butterfly valve to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a novel adjustable butterfly valve to solve the problems raised in the above background technology.

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

[0006] A new adjustable butterfly valve comprises a shell, the right end of the shell is fixedly connected to a connecting pipe, the upper surface of the shell is fixedly connected to a sealing block, a valve stem is arranged inside the sealing block, the outer surface of the valve stem is fixedly connected to a valve plate, a servo motor is arranged above the sealing block, the output end of the servo motor is fixedly connected to the top end of the valve stem, a sensing port is opened on the upper surface of the connecting pipe, an internal threaded mounting seat is fixedly connected to the upper surface of the connecting pipe, a water pressure sensor is threadedly connected to the inner wall of the internal threaded mounting seat, and the bottom end of the water pressure sensor passes through the sensing port and extends to the interior of the connecting pipe.

[0007] As a further solution of the utility model: the upper surface of the sealing block is fixedly connected with a support cover, and the top end of the support cover is fixedly connected with a top plate.

[0008] As a further solution of the utility model: the bottom surface of the top plate is fixedly connected to the upper surface of the servo motor, and the servo motor is located inside the support cover.

[0009] As a further solution of the utility model: the inner ring of the support cover is fixedly connected with a sealing plate, the inner ring of the sealing plate is fixedly connected with a sealing bearing, and the inner ring of the sealing bearing is fixedly connected to the outer surface of the valve stem.

[0010] As a further solution of the utility model: the right side of the sealing block is fixedly connected with a controller, the right side of the controller is fixedly inlaid with control buttons, and the front side of the controller is fixedly inlaid with a display screen.

[0011] As a further solution of the utility model: the right end of the connecting pipe is fixedly connected to a right flange, and a right side surface of the right flange is provided with a plurality of first mounting holes.

[0012] As a further solution of the utility model: the left end of the shell is fixedly connected to a left flange, and a left side surface of the left flange is provided with a plurality of second mounting holes.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] This new adjustable butterfly valve can sense the water flow pressure through the water pressure sensor provided in the connecting cover, and can flexibly control the opening and closing of the servo motor in cooperation with the controller. Through the operation of the servo motor and in cooperation with the valve stem, it can drive the valve plate to open and close slowly, which will provide power for the opening and closing of the sealing plate and can automatically control the water flow pressure of the butterfly valve. Therefore, the butterfly valve has a structure for automatically adjusting the water flow pressure, thereby improving the flexibility in controlling the water flow pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of a front view of a new type of adjustable butterfly valve;

[0016] Figure 2 It is a cross-sectional view of the side view of a support cover in a novel adjustable butterfly valve;

[0017] Figure 3 It is a cross-sectional view of the side view of the shell in a new type of adjustable butterfly valve;

[0018] Figure 4 It is a cross-sectional view of the front view of a connecting pipe in a new adjustable butterfly valve.

[0019] In the figure: 1. Shell; 2. Connecting pipe; 3. Sealing block; 4. Valve stem; 5. Sealing plate; 6. Sealing bearing; 7. Support cover; 8. Top plate; 9. Servo motor; 10. Sensing port; 11. Internal thread mounting seat; 12. Water pressure sensor; 13. Right flange; 14. First mounting hole; 15. Left flange; 16. Second mounting hole; 17. Controller; 18. Control button; 19. Display screen; 20. Valve plate. DETAILED DESCRIPTION

[0020] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0022] See also Figures 1 to 4 In the embodiment of the utility model, a new type of adjustable butterfly valve includes a shell 1, a connecting pipe 2 is fixedly connected to the right end of the shell 1, a sealing block 3 is fixedly connected to the upper surface of the shell 1, a valve stem 4 is arranged inside the sealing block 3, a valve plate 20 is fixedly connected to the outer surface of the valve stem 4, a servo motor 9 is arranged above the sealing block 3, an output end of the servo motor 9 is fixedly connected to the top of the valve stem 4, a sensing port 10 is opened on the upper surface of the connecting pipe 2, an internal thread mounting seat 11 is fixedly connected to the upper surface of the connecting pipe 2, a water pressure sensor 12 is threadedly connected to the inner wall of the internal thread mounting seat 11, and the bottom end of the water pressure sensor 12 passes through the sensing port 10 and extends to the inside of the connecting pipe 2.

[0023] The upper surface of the sealing block 3 is fixedly connected to a support cover 7, the top of the support cover 7 is fixedly connected to a top plate 8, the bottom surface of the top plate 8 is fixedly connected to the upper surface of the servo motor 9, the servo motor 9 is located inside the support cover 7, the inner ring of the support cover 7 is fixedly connected to a sealing plate 5, the inner ring of the sealing plate 5 is fixedly connected to a sealing bearing 6, the inner ring of the sealing bearing 6 is fixedly connected to the outer surface of the valve stem 4, and the valve stem 4 can be sealed through the support cover 7 and in cooperation with the sealing plate 5 and the sealing bearing 6.

[0024] The right side surface of the sealing block 3 is fixedly connected to a controller 17, the right side surface of the controller 17 is fixedly inlaid with a control button 18, the front side of the controller 17 is fixedly inlaid with a display screen 19, the right end of the connecting pipe 2 is fixedly connected to a right flange 13, the right side surface of the right flange 13 is provided with a plurality of first mounting holes 14, the left end of the shell 1 is fixedly connected to a left flange 15, the left side surface of the left flange 15 is provided with a plurality of second mounting holes 16, the controller 17 and the control button 18 are used for convenient control, the water flow pressure can be sensed by using the display screen 19, and the butterfly valve is conveniently installed by using the right flange 13 and the left flange 15.

[0025] The working principle of the utility model is: first, the butterfly valve is installed through the left flange 15 and the right flange 13. When the water flow pressure of the butterfly valve is automatically regulated, the water flow pressure can be sensed by the water pressure sensor 12, and the detected value can be transmitted to the controller 17 for processing. The servo motor 9 can be started by the controller 17, and the servo motor 9 can drive the valve stem 4 and the valve plate 20 to rotate, which will cause the valve plate 20 to slowly open and close, and then the water flow pressure of the butterfly valve can be flexibly controlled.

[0026] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and utility model concept of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, so it is intended to include all changes that fall within the meaning and scope of the equivalent elements of the claims in the utility model. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A novel adjustable butterfly valve, comprising a housing (1), It is characterized in that The right end of the shell (1) is fixedly connected to a connecting pipe (2), the upper surface of the shell (1) is fixedly connected to a sealing block (3), a valve stem (4) is provided inside the sealing block (3), the outer surface of the valve stem (4) is fixedly connected to a valve plate (20), a servo motor (9) is provided above the sealing block (3), the output end of the servo motor (9) is fixedly connected to the top end of the valve stem (4), a sensing port (10) is provided on the upper surface of the connecting pipe (2), an internal threaded mounting seat (11) is fixedly connected to the upper surface of the connecting pipe (2), the inner wall of the internal threaded mounting seat (11) is threadedly connected to a water pressure sensor (12), and the bottom end of the water pressure sensor (12) passes through the sensing port (10) and extends to the inside of the connecting pipe (2).

2. A novel adjustable butterfly valve according to claim 1, It is characterized in that The upper surface of the sealing block (3) is fixedly connected to a support cover (7), and the top end of the support cover (7) is fixedly connected to a top plate (8).

3. A novel adjustable butterfly valve according to claim 2, It is characterized in that The bottom surface of the top plate (8) is fixedly connected to the upper surface of the servo motor (9), and the servo motor (9) is located inside the support cover (7).

4. A novel adjustable butterfly valve according to claim 2, It is characterized in that The inner ring of the support cover (7) is fixedly connected to a sealing plate (5), the inner ring of the sealing plate (5) is fixedly connected to a sealing bearing (6), and the inner ring of the sealing bearing (6) is fixedly connected to the outer surface of the valve stem (4).

5. A novel adjustable butterfly valve according to claim 1, It is characterized in that The right side surface of the sealing block (3) is fixedly connected to a controller (17), the right side surface of the controller (17) is fixedly inlaid with a control button (18), and the front surface of the controller (17) is fixedly inlaid with a display screen (19).

6. A novel adjustable butterfly valve according to claim 1, It is characterized in that The right end of the connecting pipe (2) is fixedly connected to a right flange (13), and a plurality of first mounting holes (14) are provided on the right side surface of the right flange (13).

7. A novel adjustable butterfly valve according to claim 1, It is characterized in that The left end of the housing (1) is fixedly connected to a left flange (15), and a plurality of second mounting holes (16) are provided on the left side surface of the left flange (15).

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