CN213332426U

CN213332426U - Leak-proof electric butterfly valve

Info

Publication number: CN213332426U
Application number: CN202022245818.3U
Authority: CN
Inventors: 辛建亮; 王建新; 王建忠
Original assignee: Hebei Hengye Valve Technology Co ltd
Current assignee: Hebei Hengye Valve Technology Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-06-01
Anticipated expiration: 2030-10-10

Abstract

The utility model relates to an electric butterfly valve technical field just discloses a formula electric butterfly valve is let out in leak protection, including valve body, valve plate, valve rod and electric actuator, the middle part of valve rod fixed connection word valve plate, the upper and lower both ends of valve rod are rotated with the upper and lower both ends of valve body inner wall and are connected, and the top of valve rod runs through to the top of valve body, and the inner wall of valve body is opened there is joint groove one, and the internally mounted of joint groove one has a sealing washer one, and it has joint groove two to open around the valve plate, and the internally mounted of joint groove two has the elastic ring. The utility model discloses a set up the visor at electric actuator's top to the visor is articulated with electric actuator, thereby can make things convenient for the visor to open, and set up sealed lid in the top of visor, thereby can let external dust and water can not get into, and the fixture block joint at visor and electric actuator top, can make things convenient for sealed lid to dismantle, thereby the convenience is dismantled electric actuator and is overhauld.

Description

Leak-proof electric butterfly valve

Technical Field

The utility model relates to an electric butterfly valve technical field specifically is a formula electric butterfly valve is let out in leak protection.

Background

The electric butterfly valve belongs to one of electric valve and electric control valve. The electric butterfly valve mainly has the following connection modes: flange and wafer type; the sealing form of the electric butterfly valve mainly comprises: rubber seals and metal seals. The electric butterfly valve controls the opening and closing of the butterfly valve through a power signal. The product can be used as a shut-off valve, a control valve and a check valve of a pipeline system. The manual control device is attached, so that once a power failure occurs, the manual operation can be temporarily carried out, and the use is not influenced.

The electric actuating mechanism of the existing electric butterfly valve is not easy to disassemble and inconvenient to overhaul.

Disclosure of Invention

Technical problem to be solved

To prior art not enough, the utility model provides a formula electric butterfly valve is let out in leak protection to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a leakage-proof electric butterfly valve comprises a valve body, a valve plate, a valve rod and an electric actuating mechanism, wherein the valve rod is fixedly connected with the middle part of the valve plate, the upper end and the lower end of the valve rod are rotatably connected with the upper end and the lower end of the inner wall of the valve body, the top of the valve rod penetrates through the top of the valve body, the inner wall of the valve body is provided with a first clamping groove, a first sealing ring is arranged inside the first clamping groove, a second clamping groove is arranged around the valve plate, an elastic ring is arranged inside the second clamping groove, the outer part of the elastic ring is fixedly connected with a second sealing ring, the second sealing ring is tightly clamped with the first sealing ring, a protective cover is arranged at the top of the electric actuating mechanism, the left end of the protective cover is hinged with the left side of the top of the electric actuating mechanism, a sealing cover is arranged above the protective cover, a clamping groove, the fixture block is clamped with the clamping groove, the top of the inner wall of the sealing cover is fixedly connected with a third sealing ring, and the bottom of the third sealing ring is tightly connected with the top of the electric actuating mechanism.

Preferably, the positive and negative both sides fixedly connected with strengthening rib of valve plate, all adopting integrated into one piece technology of strengthening rib, valve plate and valve rod, making the mechanical strength of valve plate higher.

Preferably, the equal fixedly connected with installation piece in both ends and the bottom of valve body about the valve body, open at the middle part of installation piece has the mounting hole, and is three the installation piece is installed with the surface joint of valve body, the device of being convenient for.

Preferably, the shape of the interface of the first sealing ring is B-shaped, and the first sealing ring is clamped with the first clamping groove, so that the second sealing ring can be clamped in a groove in the middle of the first sealing ring, and the sealing performance is improved.

Preferably, the elastic ring is clamped with the clamping groove II, the elastic ring is made of fluororubber, the middle of the elastic ring is provided with two rhombic through holes, the outer wall of the elastic ring is provided with a semicircular groove, the rhombic through holes are formed to enable the elastic ring to obtain a better compression space, and when the valve plate is opened, the sealing ring II can be kept in a smaller inner diameter state, so that the sealing ring II is not easy to deform.

Preferably, the sectional shapes of the clamping block and the clamping groove are isosceles trapezoids, the edge of the clamping groove is provided with an arc transition, and the sealing cover is made of PPS plastic, so that the clamping block is clamped in the clamping groove more easily.

Compared with the prior art, the utility model provides a formula electric butterfly valve is let out in leak protection possesses following beneficial effect:

1. the utility model discloses a set up the visor at electric actuator's top to the visor is articulated with electric actuator, thereby can make things convenient for the visor to open, and set up sealed lid in the top of visor, thereby can let external dust and water can not get into, and the fixture block joint at visor and electric actuator top, can make things convenient for sealed lid to dismantle, thereby the convenience is dismantled electric actuator and is overhauld.

2. The utility model discloses a sealing washer two joints around setting up the sealing washer one and the valve plate of "B" shape to can improve the leakproofness, and the inside of sealing washer two is equipped with the elastic ring, when the state that the valve plate was opened, can let sealing washer two keep the less state of internal diameter, thereby be difficult to let sealing washer two warp.

Drawings

FIG. 1 is a front view of the present invention;

fig. 2 is an enlarged schematic view of the present invention a;

FIG. 3 is a top cross-sectional view of the valve body and the valve plate of the present invention;

fig. 4 is an enlarged schematic view of the present invention B.

In the figure: the valve comprises a valve body 1, a valve plate 2, a valve rod 3, reinforcing ribs 4, an installation block 5, an electric actuating mechanism 6, a clamping groove I7, a sealing ring I8, a clamping groove II 9, an elastic ring 10, a sealing ring II 11 and 12, a protective cover 13, a sealing cover 14, a clamping block 15 and a clamping groove 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution: a leakage-proof electric butterfly valve comprises a valve body 1, a valve plate 2, a valve rod 3 and an electric actuating mechanism 6, wherein the left end and the right end of the valve body 1 and the bottom of the valve body 1 are fixedly connected with mounting blocks 5, the middle part of each mounting block 5 is provided with a mounting hole, the three mounting blocks 5 are clamped with the outer surface of the valve body 1, the device is convenient to mount, the top of the valve rod 3 is fixedly connected with the electric actuating mechanism 6, the front side and the back side of the valve plate 2 are fixedly connected with reinforcing ribs 4, the valve plate 2 and the valve rod 3 are integrally formed, the mechanical strength of the valve plate 2 is higher, the valve rod 3 is fixedly connected with the middle part of the word valve plate 2, the upper end and the lower end of the valve rod 3 are rotatably connected with the upper end and the lower end of the inner wall of the valve body 1, the top of the valve rod 3 penetrates through to the top of the valve body 1, an elastic ring 10 is arranged inside the clamping groove II 9, a sealing ring II 12 is fixedly connected outside the elastic ring 10, the elastic ring 10 is clamped with the clamping groove II 9, the elastic ring 10 is made of fluororubber, two rhombic through holes are formed in the middle of the elastic ring 10, a semicircular groove is formed in the outer wall of the elastic ring 10, the rhombic through holes are formed so that the elastic ring 10 can obtain a better compression space, when the valve plate 2 is in an opened state, the sealing ring II 12 can keep a state with a smaller inner diameter, the sealing ring II 12 is not easy to deform, the sealing ring II 12 is tightly clamped with the sealing ring I8, the interface of the sealing ring I8 is in a B shape, the sealing ring I8 is clamped with the clamping groove I7, the sealing ring II 12 can be clamped in a groove in the middle of the sealing ring I8, the sealing performance is improved, a protective cover 13 is arranged on the top of the electric actuating mechanism 6, and the left end of the protective cover 13 is hinged with the, a sealing cover 14 is arranged above the protective cover 13, a clamping groove 16 is arranged on the inner side of the protective cover 13, a clamping block 15 is fixedly connected to the outer wall of the electric actuating mechanism 6 on one side of the clamping groove 16, the clamping block 15 is clamped with the clamping groove 16, the protective cover 13 is arranged at the top of the electric actuating mechanism 6, the protective cover 13 is hinged with the electric actuating mechanism 6, the protective cover 13 can be conveniently opened, the sealing cover 14 is arranged above the protective cover 13, external dust and water can not enter, the protective cover 13 is clamped with the clamping block 15 at the top of the electric actuating mechanism 6, the sealing cover 14 can be conveniently detached, the electric actuating mechanism 6 can be conveniently detached and overhauled, the sectional shapes of the clamping block 15 and the clamping groove 16 are isosceles trapezoids, an arc transition is arranged at the edge of the clamping groove 16, the sealing cover 14 is made of PPS plastic, the top of the inner wall of the sealing cover 14 is fixedly connected with a third sealing ring 17, and the bottom of the third sealing ring 17 is tightly connected with the top of the electric actuating mechanism 6.

When using, set up visor 13 at electric actuator 6's top, and visor 13 is articulated with electric actuator 6, thereby can make things convenient for visor 13 to open, and set up sealed lid 14 in the top of visor 13, thereby can let external dust and water can not get into, and 15 joints of the fixture block at visor 13 and electric actuator 6 top, can make things convenient for sealed lid 14 to dismantle, thereby conveniently dismantle the maintenance to electric actuator 6, through setting up two 12 joints of sealing washer 8 and the valve plate 2 around of "B" shape, thereby can improve the leakproofness, and the inside of sealing washer two 12 is equipped with elastic ring 10, when the state that valve plate 2 was opened, can let two 12 of sealing washer keep the less state of internal diameter, thereby be difficult to let two 12 of sealing washers warp.

To sum up, the utility model discloses a top at electric actuator 6 sets up visor 13, and visor 13 is articulated with electric actuator 6, thereby can make things convenient for visor 13 to open, and set up sealed lid 14 in the top of visor 13, thereby can let external dust and water can not get into, and 15 joints of the fixture block at visor 13 and electric actuator 6 top, can make things convenient for sealed lid 14 to dismantle, thereby the convenience is dismantled electric actuator 6 and is examined and repaired, through setting up two 12 joints of sealing washer 8 and the valve plate 2 around the sealing washer of "B" shape, thereby can improve the leakproofness, and the inside of sealing washer two 12 is equipped with elastic ring 10, when the state that valve plate 2 was opened, can let two 12 of sealing washer keep the less state of internal diameter, thereby be difficult to let two 12 of sealing washers warp.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a formula electric butterfly valve is let out in leak protection, includes valve body (1), valve plate (2), valve rod (3) and electric actuator (6), the middle part of valve rod (3) fixed connection word valve plate (2), the upper and lower both ends of upper and lower both ends and the upper and lower both ends of valve body (1) inner wall of valve rod (3) are rotated and are connected, the top of valve rod (3) runs through to the top of valve body (1), its characterized in that: the inner wall of the valve body (1) is provided with a first clamping groove (7), the inner part of the first clamping groove (7) is provided with a first sealing ring (8), the periphery of the valve plate (2) is provided with a second clamping groove (9), the inner part of the second clamping groove (9) is provided with an elastic ring (10), the outer part of the elastic ring (10) is fixedly connected with a second sealing ring (12), the second sealing ring (12) is tightly clamped with the first sealing ring (8), the top of the electric actuating mechanism (6) is provided with a protective cover (13), the left end of the protective cover (13) is hinged with the left side of the top of the electric actuating mechanism (6), a sealing cover (14) is arranged above the protective cover (13), the inner side of the protective cover (13) is provided with a clamping groove (16), one side of the clamping groove (16) is fixedly connected with a clamping block (15) on the outer wall, the clamping block (15) is clamped with the clamping groove (16), the top of the inner wall of the sealing cover (14) is fixedly connected with a sealing ring III (17), and the bottom of the sealing ring III (17) is tightly connected with the top of the electric actuating mechanism (6).

2. The leakage-proof electric butterfly valve according to claim 1, wherein: the positive and negative both sides fixedly connected with strengthening rib (4) of valve plate (2), all adopt integrated into one piece technology of strengthening rib (4), valve plate (2) and valve rod (3).

3. The leakage-proof electric butterfly valve according to claim 1, wherein: the valve is characterized in that the left end and the right end of the valve body (1) and the bottom of the valve body (1) are fixedly connected with mounting blocks (5), mounting holes are formed in the middle of the mounting blocks (5), and the mounting blocks (5) are connected with the outer surface of the valve body (1) in a clamped mode.

4. The leakage-proof electric butterfly valve according to claim 1, wherein: the shape of the interface of the first sealing ring (8) is B-shaped, and the first sealing ring (8) is connected with the first clamping groove (7) in a clamping mode.

5. The leakage-proof electric butterfly valve according to claim 1, wherein: the elastic ring (10) is clamped with the clamping groove II (9), the elastic ring (10) is made of fluororubber, two rhombic through holes are formed in the middle of the elastic ring (10), and a semicircular groove is formed in the outer wall of the elastic ring (10).

6. The leakage-proof electric butterfly valve according to claim 1, wherein: the sectional shapes of the clamping block (15) and the clamping groove (16) are isosceles trapezoids, arc transition is arranged at the edge of the clamping groove (16), and the sealing cover (14) is made of PPS plastic.