CN211117655U

CN211117655U - Novel flange butterfly valve

Info

Publication number: CN211117655U
Application number: CN201922258579.2U
Authority: CN
Inventors: 孟令发
Original assignee: Dayu Valve Manufacturing Tianjin Co ltd
Current assignee: Dayu Valve Manufacturing Tianjin Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-07-28
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses a novel flange butterfly valve, which comprises a valve body, the fixed disk seat that is provided with in inside of valve body, it is connected with the valve plate to rotate between the top of valve body and low side center department, the top fixedly connected with of valve body rotates the seat, the inside center department of rotating the seat rotates and is connected with the valve rod, the top fixedly connected with headstock of rotating the seat, one side fixedly connected with motor cabinet of headstock, the center department fixedly connected with motor of motor cabinet, the axis of rotation of motor extends to the inside of headstock, the extension fixedly connected with worm of the axis of rotation of motor, the worm meshes has the worm wheel, both sides fixedly connected with flange around the valve body. The utility model discloses a setting extends to the outside of valve body with the disk seat for when passing through flange joint, the disk seat can support the port at the pipeline, through the preventing medium outflow that can be fine behind the flange fastening.

Description

Novel flange butterfly valve

Technical Field

The utility model relates to a butterfly valve field especially relates to a novel flange butterfly valve.

Background

The butterfly valve has simple structure, small volume and light weight, and is composed of a few parts. And the valve can be quickly opened and closed only by rotating 90 degrees, the operation is simple, and meanwhile, the valve has good fluid control characteristics. The butterfly plate of the butterfly valve is installed in the diameter direction of the pipeline. In the cylindrical channel of the butterfly valve body, the disc-shaped butterfly plate rotates around the axis, the rotation angle is 0-90 degrees, and when the disc-shaped butterfly plate rotates to 90 degrees, the valve is in a full-open state.

When the flange butterfly valve is in a fully open position, the thickness of the butterfly plate is the only resistance when a medium flows through the valve body, so that the pressure drop generated by the valve is small, and the flange butterfly valve has a good flow control characteristic. The butterfly valve has two sealing types of elastic sealing and metal sealing.

When the existing flange butterfly valve is connected, the connection of the flange easily causes the medium to flow out, and after the flange butterfly valve is installed, the rotation angle of a valve plate is not well controlled, and the flow can not be prepared.

SUMMERY OF THE UTILITY MODEL

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

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a novel flange butterfly valve, includes the valve body, the inside fixed disk seat that is provided with of valve body, it is connected with the valve plate to rotate between the top of valve body and low side center department, the top fixedly connected with of valve body rotates the seat, the inside center department of rotating the seat rotates and is connected with the valve rod, the top fixedly connected with headstock of rotating the seat, one side fixedly connected with motor cabinet of headstock, the center department fixedly connected with motor of motor cabinet, the axis of rotation of motor extends to the inside of headstock, the extension fixedly connected with worm of the axis of rotation of motor, the worm meshing has the worm wheel, both sides fixedly connected with flange around the valve body.

As a further description of the above technical solution:

the bottom end of the valve rod is fixedly connected with the valve plate, the front end of the valve rod is arranged to be stepped, and a worm wheel is fixedly sleeved at the step.

As a further description of the above technical solution:

the top end of the valve rod is rotatably connected with the power box and extends to the outer side of the power box, and the extending part of the valve rod is fixedly connected with a pointer disc.

As a further description of the above technical solution:

the top of headstock is provided with the indicator panel, the pointer dish sets up in the center department of indicator panel.

As a further description of the above technical solution:

the center department at the upper and lower both ends of disk seat is provided with the through-hole, the through-hole rotates with the valve plate to be connected, the bottom of valve body is provided with corresponding swivel mount with the rotation department of valve plate, the disk seat both ends extend to the outside of valve body.

As a further description of the above technical solution:

and a corresponding round hole is formed in the joint of the power box and the motor.

As a further description of the above technical solution:

and a corresponding through hole is formed in the joint of the power box and the valve rod.

The utility model discloses following beneficial effect has:

1. the utility model discloses a setting extends to the outside of valve body with the disk seat for when passing through flange joint, the disk seat can support the port at the pipeline, through the preventing medium outflow that can be fine behind the flange fastening.

2. The utility model discloses a set up the dial indicator on pointer dish and headstock top, can indicate the current position of valve plate in step, the convenient control to the flow.

Drawings

Fig. 1 is a schematic view of the overall structure of a novel flange butterfly valve provided by the present invention;

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

fig. 3 is the utility model provides a novel flange butterfly valve look sideways at the schematic diagram.

Illustration of the drawings:

1. a valve body; 2. a valve seat; 3. a valve plate; 4. a flange; 5. a rotating seat; 6. a worm; 7. a power box; 8. a pointer dial; 9. a worm gear; 10. a motor base; 11. an electric motor; 12. a valve stem.

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.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a novel flange butterfly valve, including valve body 1, the fixed disk seat 2 that is provided with in inside of valve body 1, it is connected with valve plate 3 to rotate between the top of valve body 1 and low end center department, seat 5 is rotated to the top fixedly connected with of valve body 1, the inside center department of rotating seat 5 rotates and is connected with valve rod 12, the top fixedly connected with headstock 7 of rotating seat 5, one side fixedly connected with motor cabinet 10 of headstock 7, be used for fixed motor 11, fixedly connected with motor 11 is located at the center of motor cabinet 10, motor 11's axis of rotation extends to the inside of headstock 7, the fixedly connected with worm 6 of extension department of motor 11's axis of rotation, worm 6 meshes has worm wheel 9, be used for speed reduction and adjustment rotation direction, both sides fixedly connected with flange 4 around valve body 1, be used for being connected with.

The bottom of valve rod 12 is fixed connection with valve plate 3, and the front end of valve rod 12 sets up to the echelonment, conveniently cup joints worm wheel 9, and the ladder department cup joints and is fixed with worm wheel 9. The top end of the valve rod 12 is rotatably connected with the power box 7 and extends to the outer side of the power box 7, and the extending part of the valve rod 12 is fixedly connected with the pointer disk 8 and used for indicating the position of the valve plate 3. The top end of the power box 7 is provided with an indicating dial for marking angles, and a pointer dial 8 is arranged at the center of the indicating dial. The center department at disk seat 2's upper and lower both ends is provided with the through-hole, and the through-hole rotates with valve plate 3 to be connected, and the bottom of valve body 1 is provided with the swivel mount that corresponds with the rotation department of

valve plate

3, and 2 both ends of disk seat extend to the outside of valve body 1, can be better when being connected with the pipeline seal, avoid the leakage of medium. The power box 7 is provided with a corresponding circular hole at the connection with the motor 11. The power box 7 is provided with a corresponding through hole at the connection with the valve stem 12.

The working principle is as follows: starting motor 11, motor 11 drives through worm 6 and worm wheel 9 and makes valve rod 12 carry out vertical rotation, and the rotation of valve rod 12 drives the rotation that valve plate 3 corresponds, and the pointer dish 8 on transmission case 7 top also can follow valve plate 3 and rotate together simultaneously, and the rotation direction of pointer dish 8 is identical completely with valve plate 3. During installation, the connecting holes of the flanges 4 at the two sides of the valve body 1 are aligned with the flange connecting holes of the pipeline and are fastened and connected through double-end studs and the like

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 novel flange butterfly valve, includes valve body (1), its characterized in that: a valve seat (2) is fixedly arranged inside the valve body (1), a valve plate (3) is rotatably connected between the top end and the center of the lower end of the valve body (1), the top end of the valve body (1) is fixedly connected with a rotating seat (5), the center of the interior of the rotating seat (5) is rotatably connected with a valve rod (12), the top end of the rotating seat (5) is fixedly connected with a power box (7), one side of the power box (7) is fixedly connected with a motor seat (10), the center of the motor base (10) is fixedly connected with a motor (11), a rotating shaft of the motor (11) extends to the interior of the power box (7), a worm (6) is fixedly connected with the extending part of the rotating shaft of the motor (11), the worm (6) is meshed with a worm wheel (9), and flanges (4) are fixedly connected to the front side and the rear side of the valve body (1).

2. A novel flange butterfly valve according to claim 1, characterized in that: the bottom end of the valve rod (12) is fixedly connected with the valve plate (3), the front end of the valve rod (12) is arranged to be step-shaped, and a worm wheel (9) is fixedly sleeved at the step.

3. A novel flange butterfly valve according to claim 1, characterized in that: the top end of the valve rod (12) is rotatably connected with the power box (7) and extends to the outer side of the power box (7), and the extending part of the valve rod (12) is fixedly connected with a pointer disc (8).

4. A novel flange butterfly valve according to claim 1, characterized in that: the top of headstock (7) is provided with the pointer dish, pointer dish (8) set up in the center department of indicator panel.

5. A novel flange butterfly valve according to claim 1, characterized in that: the center department at the upper and lower both ends of disk seat (2) is provided with the through-hole, the through-hole rotates with valve plate (3) to be connected, the bottom of valve body (1) is provided with corresponding swivel mount with the rotation department of valve plate (3), the outside of disk seat (2) both ends extension to valve body (1).

6. A novel flange butterfly valve according to claim 1, characterized in that: and a corresponding round hole is formed in the joint of the power box (7) and the motor (11).

7. A novel flange butterfly valve according to claim 1, characterized in that: and a corresponding through hole is formed in the joint of the power box (7) and the valve rod (12).