CN211525562U

CN211525562U - Environment-friendly pin-free rubber lining wafer type butterfly valve

Info

Publication number: CN211525562U
Application number: CN201922258514.8U
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: 2020-09-18
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses an environment-friendly does not have round pin lining glue wafer formula butterfly valve, the water-cooled double-layer valve comprises a valve body, the inside fixedly connected with disk seat of valve body, the inside of valve body is rotated and is connected with the valve plate, the top fixedly connected with of valve body rotates the seat, the fixed ear of both sides fixedly connected with of rotating the seat, the center department of rotating the seat rotates and is connected with the valve rod, the top fixedly connected with transmission case of rotating the seat, the inside of transmission case is rotated and is connected with the worm, the worm meshing has the worm wheel, the worm passes the outside that the transmission case extends to the transmission case, the delay department fixedly connected with dwang of worm, the one end fixedly connected with turning handle of worm is. The utility model discloses a valve plate that the setting does not have the lining to glue for the valve plate can not have very big resistance when opening or closing, avoids opening or closes the difficulty and the valve that can not be timely that leads to closes or open, has avoided overflowing or the waste that causes when flowing less.

Description

Environment-friendly pin-free rubber lining wafer type butterfly valve

Technical Field

The utility model relates to a butterfly valve field especially relates to an environment-friendly does not have round pin lining glue wafer formula butterfly valve.

Background

The butterfly plate of the wafer butterfly valve is arranged 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, the flow adjusting effect can be achieved, and when the butterfly plate rotates to 90 degrees, the valve reaches the maximum opening degree. The opposite clamping butterfly valve has simple structure, small volume and light weight and only consists 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.

Most of the existing butterfly valves are provided with lining rubber in a clamping way on the peripheral side of a valve plate, and when the valve plate is opened or closed, the lining rubber forms great friction resistance by a valve seat, so that the valve is difficult to close. And the existing butterfly valve is totally sealed, the opening angle of the valve cannot be observed, and the flow velocity and the flow rate cannot be accurately controlled.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an environment-friendly pin-free rubber-lined wafer butterfly valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an environment-friendly does not have round pin lining glue wafer formula butterfly valve, includes the valve body, the inside fixedly connected with disk seat of valve body, the inside of valve body is rotated and is connected with the valve plate, the top fixedly connected with of valve body rotates the seat, the fixed ear of both sides fixedly connected with of rotating the seat, the center department of rotating the seat rotates and is connected with the valve rod, the top fixedly connected with transmission case of rotating the seat, the inside of transmission case is rotated and is connected with the worm, the worm meshes there is the worm wheel, the worm passes the outside that the transmission case extends to the transmission case, the fixedly connected with dwang of delay department of worm, the one end fixedly connected with turning handle of worm is kept.

As a further description of the above technical solution:

the bottom end of the valve body is fixedly connected with fixing lugs on two sides, and the fixing lugs on the bottom end of the valve body and the fixing lugs on two sides of the rotating seat are symmetrically arranged.

As a further description of the above technical solution:

the top and the valve rod fixed connection of valve plate, the top of valve rod sets up to the echelonment, the worm wheel has been cup jointed to ladder week side, the top and the transmission case of valve rod rotate to be connected and extend to the outside of transmission case, the extension department fixedly connected with pointer dish of valve rod.

As a further description of the above technical solution:

the valve plate is characterized in that through holes are formed in the centers of the upper end and the lower end of the valve seat, a shaft is arranged at the bottom end of the valve plate and penetrates through the valve seat to extend to the outer side of the valve seat, and the extending portion of the shaft is rotatably connected with the valve body.

As a further description of the above technical solution:

the bottom of transmission case is provided with the through-hole, the valve rod passes the through-hole of transmission case and extends to the inside of transmission case.

As a further description of the above technical solution:

the top periphery of transmission case is provided with annular scale, the centre of a circle department of pointer dish setting at annular scale.

The utility model discloses following beneficial effect has:

1. the utility model discloses a valve plate that the setting does not have the lining to glue for the valve plate can not have very big resistance when opening or closing, avoids opening or closes the difficulty and the valve that can not be timely that leads to closes or open, has avoided overflowing or the waste that causes when flowing less.

2. The utility model discloses a set up the pointer dish for the valve rod is when rotating, and the pointer dish rotates along with the valve rod is synchronous, and the valve plate is also taken along with the valve rod and is rotated in step, with this can be clear see out the turned angle of valve plate.

Drawings

Fig. 1 is a schematic view of an overall structure of an environment-friendly pin-less rubber-lined wafer-type butterfly valve according to the present invention;

fig. 2 is a schematic view of a worm gear of an environment-friendly pin-less rubber-lined wafer butterfly valve according to the present invention;

fig. 3 is a schematic diagram of a pointer plate of an environment-friendly pin-less rubber-lined wafer butterfly valve according to the present invention.

Illustration of the drawings:

1. a valve body; 2. a valve seat; 3. a valve plate; 4. fixing the ear; 5. a valve stem; 6. a worm; 7. a transmission case; 8. a pointer dial; 9. a worm gear; 10. rotating the rod; 11. a handle is rotated; 12. and (6) rotating the seat.

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 an environment-friendly does not have round pin lining glue wafer formula butterfly valve, including valve body 1, the inside fixedly connected with disk seat 2 of valve body 1, the inside rotation of valve body 1 is connected with valve plate 3, seat 12 is rotated to the top fixedly connected with of valve body 1, the both sides fixedly connected with fixing lug 4 of rotating seat 12, be used for fixing when the wafer installation, the center department of rotating seat 12 rotates and is connected with valve rod 5, the top fixedly connected with transmission case 7 of rotating seat 12, the inside rotation of transmission case 7 is connected with worm 6, worm 6 meshes there is worm wheel 9, worm 6 passes transmission case 7 and extends to the outside of transmission case 7, the fixedly connected with dwang 10 of delay department of worm 6, the one end fixedly connected with turning handle 11 of worm 6 is kept away from to dwa.

The fixed ears 4 are fixedly connected with the two sides of the bottom end of the valve body 1, and the fixed ears 4 at the bottom end of the valve body 1 and the fixed ears 4 at the two sides of the rotating seat 12 are symmetrically arranged. Valve plate 3's top and valve rod 5 fixed connection, the top of valve rod 5 sets up to the echelonment, and worm wheel 9 is joined in marriage to easy to assemble worm wheel 9, and ladder week side has cup jointed worm wheel 9, and the top of valve rod 5 rotates with transmission case 7 to be connected and extend to the outside of transmission case 7, and the extension fixedly connected with pointer dish 8 of valve rod 5 for indicate the rotation angle of valve plate 3. The upper and lower both ends center department of disk seat 2 is provided with the through-hole, and the bottom of valve plate 3 is provided with the outside that the axle passed disk seat 2 and extends to disk seat 2, and the extension department and the valve body 1 of axle are connected for rotating. The bottom end of the transmission case 7 is provided with a through hole, and the valve rod 5 passes through the through hole of the transmission case 7 and extends to the inside of the transmission case 7. An annular scale is arranged on the periphery of the top end of the transmission case 7 and used for indicating the rotation angle of the pointer disc 8, and the pointer disc 8 is arranged at the center of the circle of the annular scale.

The working principle is as follows: rotating handle 11, rotating handle 11 drives and drives the synchronous rotation that drives worm 6 through dwang 10, worm 6 meshes the transmission with worm wheel 9 simultaneously, drive valve rod 5 through worm wheel 9 and rotate, pointer dish 8 and the valve plate 3 of valve rod 5 bottom on the while valve rod 5 top rotate in step, reach the purpose of opening or closing the valve with this, simultaneously because pointer dish 8 follows valve plate 3 and rotates, the corner of valve plate 3 is the same with pointer dish 8's corner, the rotation angle that uses pointer dish 8 comes the rotation angle of instruction valve plate 3, with this size of coming the control flow.

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 an environment-friendly does not have round pin lining glue wafer formula butterfly valve, includes valve body (1), its characterized in that: the inside fixedly connected with disk seat (2) of valve body (1), the inside rotation of valve body (1) is connected with valve plate (3), the top fixedly connected with of valve body (1) rotates seat (12), the both sides fixedly connected with fixed ear (4) of rotating seat (12), the center department of rotating seat (12) rotates and is connected with valve rod (5), the top fixedly connected with transmission case (7) of rotating seat (12), the inside of transmission case (7) rotates and is connected with worm (6), worm (6) meshing has worm wheel (9), worm (6) pass transmission case (7) and extend to the outside of transmission case (7), the delay department fixedly connected with dwang (10) of worm (6), the one end fixedly connected with turning handle (11) of worm (6) are kept away from in dwang (10).

2. The environment-friendly pin-free rubber-lined wafer-type butterfly valve according to claim 1, wherein: the bottom end of the valve body (1) is fixedly connected with fixing lugs (4), and the fixing lugs (4) at the bottom end of the valve body (1) and the fixing lugs (4) at the two sides of the rotating seat (12) are symmetrically arranged.

3. The environment-friendly pin-free rubber-lined wafer-type butterfly valve according to claim 1, wherein: the top and valve rod (5) fixed connection of valve plate (3), the top of valve rod (5) sets up to the ladder, worm wheel (9) have been cup jointed to ladder week side, the top and transmission case (7) of valve rod (5) rotate to be connected and extend to the outside of transmission case (7), the extension fixedly connected with pointer dish (8) of valve rod (5).

4. The environment-friendly pin-free rubber-lined wafer-type butterfly valve according to claim 1, wherein: the valve is characterized in that through holes are formed in the centers of the upper end and the lower end of the valve seat (2), a shaft is arranged at the bottom end of the valve plate (3) and penetrates through the valve seat (2) to extend to the outer side of the valve seat (2), and the extending part of the shaft is rotatably connected with the valve body (1).

5. The environment-friendly pin-free rubber-lined wafer-type butterfly valve according to claim 1, wherein: the bottom of transmission case (7) is provided with the through-hole, valve rod (5) pass the through-hole of transmission case (7) and extend to the inside of transmission case (7).

6. The environment-friendly pin-free rubber-lined wafer-type butterfly valve according to claim 3, wherein: an annular scale is arranged on the periphery of the top end of the transmission case (7), and the pointer disc (8) is arranged at the circle center of the annular scale.