Leakage-proof electric butterfly valve

Abstract

The utility model provides an anti-leakage electric butterfly valve, which relates to the technical field of electric butterfly valves and comprises an electric butterfly valve component, a shielding component is arranged on the outer side of the electric butterfly valve component, and a sealing component is arranged on the electric butterfly valve component. The external pipe is in threaded connection with the interior of the connecting pipe, so that the first sealing ring is connected with the surface of the butt-joint disc, the sealing effect is provided, meanwhile, the sealing gasket is arranged at the joint of the connecting pipe and the butt-joint disc, the second sealing ring is clamped in the clamping groove, the sealing performance is further improved, and the service life of the connecting pipe is prolonged. Then, the hoop ring is used for hooping the outer side of the sealing gasket, the sealing gasket is limited, the sealing gasket is arranged at the connecting position of the butt joint disc and the connecting pipe, the sealing effect is further improved, the limiting ring is used for providing left-right limiting for the hoop ring, and therefore the sealing performance between the connecting pipe and the external connecting pipe is guaranteed, and the situation of medium leakage is avoided; therefore, the production safety is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of electric butterfly valve technology, and in particular to a leak-proof electric butterfly valve. Background Technology

[0002] Electric butterfly valves are a type of electric valve and electric regulating valve. The main connection methods for electric butterfly valves are flange type and wafer type; the main sealing methods are rubber seal and metal seal. Electric butterfly valves are controlled by a power signal to open and close. This product can be used as a shut-off valve, control valve, and check valve in piping systems.

[0003] Existing electric butterfly valves typically rely on a single sealing ring at pipe connections to provide a seal, resulting in poor sealing performance and a tendency for gaps to appear at pipe connections, leading to media leakage. Utility Model Content

[0004] The purpose of this invention is to solve the problem that existing electric butterfly valves typically rely on a single sealing ring to provide a seal at pipe connections, resulting in poor sealing performance and easy gaps at pipe connections, which in turn cause media leakage. Therefore, this invention proposes a leak-proof electric butterfly valve.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a leak-proof electric butterfly valve, comprising an electric butterfly valve assembly, a shielding component provided on the outer side of the electric butterfly valve assembly, a sealing component provided on the electric butterfly valve assembly, the electric butterfly valve assembly comprising a valve body and a connecting pipe, an external connecting pipe being internally threaded to the connecting pipe, the sealing component comprising a first sealing ring, a sealing gasket connected to the side of the connecting pipe, a mating plate fixedly installed on the outer side of the external connecting pipe, a second sealing ring provided on the outer side of the mating plate, and a clamping ring clamped on the outer side of the sealing gasket.

[0006] Preferably, the shielding assembly includes a metal shielding cover and a fixing plate. The bottom of the metal shielding cover is provided with a sealing gasket, and mounting brackets are installed at both ends of the metal shielding cover. The mounting brackets are inserted into the interior of the fixing plate.

[0007] Preferably, the sealing gasket has a groove inside, and the second sealing ring is movably fitted inside the groove.

[0008] Preferably, limit rings are symmetrically arranged on the outer side of the sealing gasket, and the first sealing ring is disposed on the surface of the connecting pipe.

[0009] Preferably, a fixing frame is symmetrically installed on the bottom of the fixing plate, and a limiting plate is movably installed inside the fixing frame.

[0010] Preferably, the mounting bracket has a limiting groove, and the limiting plate is movably installed inside the limiting groove.

[0011] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0012] 1. In this utility model, by threading the outer pipe into the inside of the connecting pipe, the first sealing ring is connected to the surface of the mating plate, which facilitates the sealing effect. At the same time, the sealing gasket is placed at the connection between the connecting pipe and the mating plate, and the second sealing ring is clamped inside the groove, which further improves the sealing performance. Subsequently, a clamping ring is used to clamp the outer side of the sealing gasket, which helps to limit the sealing gasket. The sealing gasket at the connection between the mating plate and the connecting pipe further improves the sealing effect. The limiting ring helps to limit the left and right movement of the clamping ring, thereby ensuring the sealing between the connecting pipe and the outer pipe, avoiding the leakage of the medium, and thus ensuring production safety.

[0013] 2. In this utility model, the metal shielding cover effectively isolates interference from external sources such as electromagnetic pulses and high-frequency harmonics, preventing valve body opening and closing malfunctions caused by signal distortion and ensuring the normal use of the valve body. The metal shielding cover is installed on the fixed plate, causing the mounting bracket to penetrate the interior of the fixed plate. Then, the moving limiting plate moves inside the fixed bracket, causing the limiting plate to penetrate the interior of the limiting groove, which helps to limit the metal shielding cover, making it convenient to install and remove the metal shielding cover, and thus facilitating the maintenance and repair of the valve body. Attached Figure Description

[0014] Figure 1 A three-dimensional structural diagram of a leak-proof electric butterfly valve is provided for this utility model.

[0015] Figure 2 This utility model presents another structural schematic diagram of a leak-proof electric butterfly valve.

[0016] Figure 3 This utility model provides a partially exploded structural diagram of a leak-proof electric butterfly valve.

[0017] Figure 4 This utility model presents an exploded view of the sealing assembly of a leak-proof electric butterfly valve.

[0018] Legend: 1. Electric butterfly valve assembly; 101. Valve body; 102. Connecting pipe; 103. External pipe; 2. Shielding assembly; 201. Metal shielding cover; 202. Sealing gasket; 203. Mounting bracket; 204. Fixing plate; 205. Fixing bracket; 206. Limiting plate; 3. Sealing assembly; 301. First sealing ring; 302. Sealing gasket; 303. Limiting ring; 304. Hoop ring; 305. Connecting plate; 306. Second sealing ring; 307. Slot. Detailed Implementation

[0019] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0020] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0021] Example 1: As Figures 1-4 As shown, this utility model provides a technical solution: a leak-proof electric butterfly valve, including an electric butterfly valve assembly 1, a shielding assembly 2 on the outside of the electric butterfly valve assembly 1, and a sealing assembly 3 on the electric butterfly valve assembly 1. The electric butterfly valve assembly 1 includes a valve body 101 and a connecting pipe 102. An external connecting pipe 103 is threadedly connected to the inside of the connecting pipe 102. The sealing assembly 3 includes a first sealing ring 301. A sealing gasket 302 is connected to the side of the connecting pipe 102. A mating plate 305 is fixedly installed on the outside of the external connecting pipe 103. A second sealing ring 306 is provided on the outside of the mating plate 305. A clamping ring 304 is clamped on the outside of the sealing gasket 302. A groove 307 is opened inside the sealing gasket 302. The second sealing ring 306 is movably clamped inside the groove 307. Limiting rings 303 are symmetrically arranged on the outside of the sealing gasket 302. The first sealing ring 301 is provided on the surface of the connecting pipe 102.

[0022] In this embodiment, by threading the outer pipe 103 into the inside of the connecting pipe 102, the first sealing ring 301 is connected to the surface of the mating plate 305, which facilitates a sealing effect. At the same time, the sealing gasket 302 is placed at the connection between the connecting pipe 102 and the mating plate 305, and the second sealing ring 306 is fitted into the groove 307, which further improves the sealing performance. Subsequently, the clamping ring 304 is used to clamp the outer side of the sealing gasket 302, which helps to limit the sealing gasket 302. The sealing gasket 302 at the connection between the mating plate 305 and the connecting pipe 102 further improves the sealing effect. The limiting ring 303 helps to limit the clamping ring 304 to the left and right, thereby ensuring the sealing between the connecting pipe 102 and the outer pipe 103, avoiding the leakage of the medium, and thus ensuring production safety.

[0023] Example 2: Figures 1-4 As shown, the shielding assembly 2 includes a metal shielding cover 201 and a fixing plate 204. A sealing gasket 202 is provided at the bottom of the metal shielding cover 201. Mounting brackets 203 are installed at both ends of the metal shielding cover 201. The mounting brackets 203 are inserted into the interior of the fixing plate 204. Fixing brackets 205 are symmetrically installed at the bottom of the fixing plate 204. A limiting plate 206 is movably installed inside the fixing bracket 205. A limiting groove is opened on the mounting bracket 203, and the limiting plate 206 is movably installed inside the limiting groove.

[0024] In this embodiment, by installing the metal shield 201 on the fixed plate 204, the mounting bracket 203 is made to pass through the interior of the fixed plate 204. Then, the moving limiting plate 206 moves inside the fixed bracket 205, making the limiting plate 206 pass through the interior of the limiting groove. This helps to limit the metal shield 201, making it easier to install and remove the metal shield 201. This, in turn, facilitates the maintenance and repair of the valve body 101. The metal shield 201 helps to effectively isolate interference from external electromagnetic pulses, high-frequency harmonics, etc., avoiding malfunctions in the opening and closing of the valve body 101 caused by signal distortion, and ensuring the normal use of the valve body 101.

[0025] The working principle of this embodiment is as follows: In use, the outer pipe 103 is first threaded into the connecting pipe 102, so that the first sealing ring 301 connects to the surface of the mating plate 305, which facilitates sealing. Simultaneously, the sealing gasket 302 is placed at the connection between the connecting pipe 102 and the mating plate 305. The second sealing ring 306 is fitted into the slot 307, further improving the sealing performance. Then, a clamping ring 304 is used to clamp the outer side of the sealing gasket 302, which helps to limit the sealing gasket 302. The sealing gasket 302 at the connection between the mating plate 305 and the connecting pipe 102 further improves the sealing effect. The limiting ring 303 helps to provide lateral limiting for the clamping ring 304. This ensures the sealing between the connecting pipe 102 and the outer pipe 103. The metal shield 201 is installed on the fixed plate 204, causing the mounting bracket 203 to pass through the interior of the fixed plate 204. Then, the moving limiting plate 206 moves inside the fixed bracket 205, causing the limiting plate 206 to pass through the interior of the limiting groove. This helps to limit the metal shield 201, making it easier to install and remove the metal shield 201. In turn, it is beneficial to maintain and repair the valve body 101. The metal shield 201 helps to effectively isolate interference from external electromagnetic pulses, high-frequency harmonics, etc., avoiding malfunctions in the opening and closing of the valve body 101 caused by signal distortion, and ensuring the normal use of the valve body 101.

[0026] The valve body 101 and the metal shield 201 in this utility model are common knowledge in the field. Their working principle is a well-known technology. The appropriate model is selected according to the actual use. Therefore, the valve body 101 and the metal shield 201 will not be explained in detail.

[0027] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A leak-proof electric butterfly valve, comprising an electric butterfly valve assembly (1), characterized in that: The electric butterfly valve assembly (1) is provided with a shielding assembly (2) on its outer side and a sealing assembly (3) on its inner side. The electric butterfly valve assembly (1) includes a valve body (101) and a connecting pipe (102). The connecting pipe (102) is internally threaded with an outer connecting pipe (103). The sealing assembly (3) includes a first sealing ring (301). A sealing gasket (302) is connected to the side of the connecting pipe (102). A mating plate (305) is fixedly installed on the outer side of the outer connecting pipe (103). A second sealing ring (306) is provided on the outer side of the mating plate (305). A clamping ring (304) is clamped on the outer side of the sealing gasket (302).

2. The leak-proof electric butterfly valve according to claim 1, characterized in that: The shielding assembly (2) includes a metal shielding cover (201) and a fixing plate (204). A sealing gasket (202) is provided at the bottom of the metal shielding cover (201), and mounting brackets (203) are installed at both ends of the metal shielding cover (201). The mounting brackets (203) are inserted into the interior of the fixing plate (204).

3. The leak-proof electric butterfly valve according to claim 1, characterized in that: The sealing gasket (302) has a slot (307) inside, and the second sealing ring (306) is movably fitted inside the slot (307).

4. The leak-proof electric butterfly valve according to claim 1, characterized in that: Limiting rings (303) are symmetrically arranged on the outer side of the sealing gasket (302), and the first sealing ring (301) is arranged on the surface of the connecting pipe (102).

5. The leak-proof electric butterfly valve according to claim 2, characterized in that: A fixing frame (205) is symmetrically installed on the bottom of the fixing plate (204), and a limiting plate (206) is movably installed inside the fixing frame (205).

6. The leak-proof electric butterfly valve according to claim 5, characterized in that: The mounting bracket (203) has a limiting groove, and the limiting plate (206) is movably installed inside the limiting groove.

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