CN214888929U

CN214888929U - Flange type electric butterfly valve

Info

Publication number: CN214888929U
Application number: CN202121582591.XU
Authority: CN
Inventors: 张思辉; 韩祖建; 王泽年
Original assignee: Shandong Shuangliu Valve Industry Co ltd
Current assignee: Shandong Shuangliu Valve Industry Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2021-11-26
Anticipated expiration: 2031-07-13

Abstract

The utility model discloses a flange type electric butterfly valve, which comprises a valve body, wherein the side wall of the valve body is fixedly connected with a flange plate, a butterfly valve is arranged inside the valve body, and the center of the butterfly valve is fixedly connected with a rotating shaft; the automatic valve is characterized in that a gear box is fixedly connected to the surface of the top of the valve body, a screw rod is rotatably connected to the surface of the top of the gear box, a manual valve is fixedly connected to the tail end of the top of the screw rod, a first plane gear is fixedly connected to the other end of the screw rod, a second plane gear is fixedly connected to the tail end of the top of the rotating shaft, and a third plane gear is fixedly connected to the other end of the rotating shaft. The utility model discloses, design through manual control and electric control valve makes the butterfly valve can control the closure when electric system trouble, uses the difficult problem of having solved electric drive system maintenance through the cooperation of activity disassembly body.

Description

Flange type electric butterfly valve

Technical Field

The utility model relates to the technical field of valves, especially, relate to a flange formula electric butterfly valve.

Background

The butterfly valve is a valve which is opened and closed by a closing member which is a disc and rotates around a valve shaft, and mainly plays a role in cutting and throttling on a pipeline. The butterfly valve opening and closing piece is a disc-shaped disc plate and rotates around the axis of the butterfly valve opening and closing piece in the valve body, so that the opening and closing or throttling purpose is achieved. The existing electric butterfly valve is closed by depending on an electric drive butterfly valve, but once a power system fails, the closing of the butterfly valve cannot be controlled, and most of the electric drive systems of the butterfly valve are complex and inconvenient to repair and maintain.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing a flange type electric butterfly valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a flange type electric butterfly valve comprises a valve body, wherein a flange plate is fixedly connected to the side wall of the valve body, a butterfly valve is arranged inside the valve body, and a rotating shaft is fixedly connected to the center of the butterfly valve;

the top surface of the valve body is fixedly connected with a gear box, the top surface of the gear box is rotatably connected with a screw rod, the tail end of the top of the screw rod is fixedly connected with a manual valve, the other end of the screw rod is fixedly connected with a first plane gear, the tail end of the top of the rotating shaft is fixedly connected with a second plane gear, and the other end of the rotating shaft is fixedly connected with a third plane gear;

the valve body bottom fixed surface is connected with the guard box, the guard box bottom is equipped with the visor, the terminal fixedly connected with solid fixed ring of guard box inner wall fixedly connected with mount, the inside fixedly connected with driving motor of solid fixed ring, driving motor output end fixedly connected with fourth plane gear, the inside activity disassembly body that is equipped with of guard box.

As a further description of the above technical solution:

the movable disassembling mechanism comprises a movable block, a connecting rod is fixedly connected to the side wall of the movable block, a spring is arranged on the surface of the connecting rod, a pull block is fixedly connected to the tail end of the connecting rod, and a hook is fixedly connected to the inner wall of the protective cover.

As a further description of the above technical solution:

the surface of the flange plate is provided with a circulation hole, the side wall of the circulation hole is fixedly connected with a sealing leather ring, and the flange plate is distributed on two sides of the valve body in a bilateral symmetry manner.

As a further description of the above technical solution:

the third plane gear is meshed with the fourth plane gear, and the first plane gear is meshed with the second plane gear through rotating the manual valve.

As a further description of the above technical solution:

the top of the manual valve is movably connected with a limiting nut, and the surface of the flange plate is provided with a plurality of mounting holes.

As a further description of the above technical solution:

one end of the rotating shaft is arranged inside the gear box, and the other end of the rotating shaft is arranged inside the protective box.

As a further description of the above technical solution:

the butterfly valve is not connected with the interior of the valve body, and the butterfly valve does not rotate in the interior of the valve body to be interfered.

As a further description of the above technical solution:

the connecting rod and the protective cover are not connected, the connecting rod penetrates through the side wall of the protective cover, and the movable disassembling structures are symmetrically distributed on two sides of the protective box.

The utility model discloses following beneficial effect has:

1. compared with the prior art, the flange type electric butterfly valve has the advantages that the butterfly valve can be controlled to be closed when an electric system fails through the design of double valve control of manual control and electric control.

2. Compared with the prior art, the flange type electric butterfly valve solves the problem that the electric drive system is inconvenient to maintain and disassemble through the matching use of the movable disassembling mechanism.

3. Compared with the prior art, the flange type electric butterfly valve has simpler structure and more convenient operation compared with the traditional butterfly valve.

4. Compared with the prior art, the flange type electric butterfly valve has the advantages that the control flow of the butterfly valve is simpler and more convenient through the design of the limiting nut.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a flange type electric butterfly valve provided by the present invention;

fig. 2 is a schematic view of a top view structure of a flange type electric butterfly valve provided by the present invention;

fig. 3 is a schematic structural diagram of a butterfly valve of a flange-type electric butterfly valve according to the present invention;

fig. 4 is a schematic view of the internal structure of a protection box of a flange type electric butterfly valve provided by the present invention;

fig. 5 is a schematic view of an internal structure of a gear box of a flange-type electric butterfly valve according to the present invention;

fig. 6 is a structural schematic diagram of a dismounting mechanism of a flange type electric butterfly valve provided by the utility model.

Illustration of the drawings:

1. a valve body; 2. sealing the leather ring; 3. mounting holes; 4. a manual valve; 5. a gear case; 6. a flow-through hole; 7. a protection box; 8. a screw rod; 9. a flange plate; 10. a limit nut; 11. a fixing ring; 12. a rotating shaft; 13. a butterfly valve; 14. a third face gear; 15. a second face gear; 16. a first face gear; 17. a drive motor; 18. a fixed mount; 19. a fourth face gear; 20. a spring; 21. pulling the block; 22. hooking; 23. a connecting rod; 24. a movable block; 25. a protective cover.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows:

referring to fig. 1-6, the utility model provides a pair of flange formula electric butterfly valve: the butterfly valve comprises a valve body 1, wherein liquid and gas can conveniently circulate, a flange plate 9 is fixedly connected to the side wall of the valve body 1, the installation and the fixing of a butterfly valve are convenient, a butterfly valve 13 is arranged in the valve body 1, the closing and the flow speed of the butterfly valve are controlled, and a rotating shaft 12 is fixedly connected to the center of the butterfly valve 13 and used for controlling the rotation of the butterfly valve 13;

the bottom surface of the valve body 1 is fixedly connected with a protection box 7, the installation position of a butterfly valve is generally high in corrosion speed, the protection box 7 protects an electric drive system from corrosion, the bottom of the protection box 7 is provided with a protection cover 25 which is convenient for maintaining and repairing internal equipment, the inner wall of the protection box 7 is fixedly connected with a fixing frame 18, the tail end of the fixing frame 18 is fixedly connected with a fixing ring 11 which is used for fixing the position of a drive motor 17 and keeping the stability of the butterfly valve, the drive motor 17 is fixedly connected inside the fixing ring 11, a drive rotating shaft 12 drives a butterfly valve 13 to rotate, and the output end of the drive motor 17 is fixedly connected with a fourth plane gear 19 which is used for controlling the closing of the butterfly valve 13;

the top surface of the valve body 1 is fixedly connected with a gear box 5 for protecting gears from corrosion, the top surface of the gear box 5 is rotatably connected with a screw rod 8, the tail end of the top of the screw rod 8 is fixedly connected with a manual valve 4, the manual valve 4 controls the screw rod 8 to rotate, the screw rod 8 rotates to go deep into the gear box 5 to drive the gears to rotate, the top of the manual valve 4 is movably connected with a limit nut 10 for limiting the position of the screw rod 8, the surface of a flange plate 9 is provided with a plurality of mounting holes 3 for facilitating the installation and fixation of a butterfly valve, the other end of the screw rod 8 is fixedly connected with a first plane gear 16, the tail end of the top of a rotating shaft 12 is fixedly connected with a second plane gear 15, the first plane gear 16 is meshed with the second plane gear 15 to control the closing of a butterfly valve 13, and the other end of the rotating shaft 12 is fixedly connected with a third plane gear 14;

the movable disassembling mechanism comprises a movable block 24, the side wall of the movable block 24 is fixedly connected with a connecting rod 23, the connecting rod 23 is convenient to drive the movable block 24 to move, a spring 20 is arranged on the surface of the connecting rod 23 and used for limiting the position of the movable block 24, the tail end of the connecting rod 23 is fixedly connected with a pull block 21, the connecting rod 23 is pulled back to pull the pull block 21 to move, so that the spring 20 is contracted to drive the movable block 24 to move, and a hook 22 is fixedly connected to the inner wall of a protective cover 25 and used for limiting the movable block 24 to move;

the surface of the flange plate 9 is provided with a circulation hole 6 which is convenient for the liquid and gas to flow, and the side wall of the circulation hole 6 is fixedly connected with a sealing leather ring 2 which provides the sealing performance of the butterfly valve.

The working principle is as follows: before use, the sealing performance of the butterfly valve is detected, and the butterfly valve is installed well to detect the sealing performance; when in use, the driving motor 17 drives the fourth plane gear 19 to drive the third plane gear 14 to rotate, so that the rotating shaft 12 controls the butterfly valve 13 to rotate to control the closing of the butterfly valve. When the electric driving system fails, the manual valve 4 is rotated to control the screw rod 8 to penetrate into the gear box 5 to control the first plane gear 16 to be meshed with the second plane gear 15, and the butterfly valve 13 is controlled to be rotated to be closed by rotating the manual valve 4. When the protective box 7 is detached, the pulling blocks 21 on the two sides of the protective box 7 are pulled to drive the connecting rod 23 to move, so that the spring 20 contracts to enable the movable block 24 to be separated from the hook 22, and the protective cover 25 is convenient for the protective box 7 to be separated and is convenient for replacing and maintaining internal equipment.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a flange formula electric butterfly valve, includes valve body (1), its characterized in that: the side wall of the valve body (1) is fixedly connected with a flange plate (9), a butterfly valve (13) is arranged inside the valve body (1), and the center of the butterfly valve (13) is fixedly connected with a rotating shaft (12);

the top surface of the valve body (1) is fixedly connected with a gear box (5), the top surface of the gear box (5) is rotatably connected with a screw rod (8), the tail end of the top of the screw rod (8) is fixedly connected with a manual valve (4), the other end of the screw rod (8) is fixedly connected with a first plane gear (16), the tail end of the top of the rotating shaft (12) is fixedly connected with a second plane gear (15), and the other end of the rotating shaft (12) is fixedly connected with a third plane gear (14);

valve body (1) bottom fixed surface is connected with guard box (7), guard box (7) bottom is equipped with visor (25), guard box (7) inner wall fixedly connected with mount (18), the solid fixed ring of mount (18) terminal fixedly connected with (11), gu fixed ring (11) inside fixedly connected with driving motor (17), driving motor (17) output end fixedly connected with fourth flat gear (19), guard box (7) inside is equipped with movable disassembly body.

2. The flange-type electric butterfly valve according to claim 1, wherein: the movable disassembling mechanism comprises a movable block (24), a connecting rod (23) is fixedly connected to the side wall of the movable block (24), a spring (20) is arranged on the surface of the connecting rod (23), a pull block (21) is fixedly connected to the tail end of the connecting rod (23), and a hook (22) is fixedly connected to the inner wall of the protective cover (25).

3. The flange-type electric butterfly valve according to claim 1, wherein: the surface of the flange plate (9) is provided with a circulation hole (6), the side wall of the circulation hole (6) is fixedly connected with a sealing leather ring (2), and the flange plate (9) is distributed on two sides of the valve body (1) in a bilateral symmetry manner.

4. The flange-type electric butterfly valve according to claim 1, wherein: the third plane gear (14) is meshed with a fourth plane gear (19), and the first plane gear (16) is meshed with the second plane gear (15) through rotating the manual valve (4).

5. The flange-type electric butterfly valve according to claim 1, wherein: the top of the manual valve (4) is movably connected with a limiting nut (10), and the surface of the flange plate (9) is provided with a plurality of mounting holes (3).

6. The flange-type electric butterfly valve according to claim 1, wherein: one end of the rotating shaft (12) is arranged inside the gear box (5), and the other end of the rotating shaft (12) is arranged inside the protective box (7).

7. The flange-type electric butterfly valve according to claim 1, wherein: the butterfly valve (13) is not connected with the interior of the valve body (1), and the butterfly valve (13) does not rotate in the interior of the valve body (1) and is not interfered.

8. The flange-type electric butterfly valve according to claim 2, wherein: the connecting rod (23) and the protective cover (25) are not connected, the connecting rod (23) penetrates through the side wall of the protective cover (25), and the movable disassembling structures are symmetrically distributed on two sides of the protective box (7).