CN220850767U - Butterfly valve with detachable valve rod - Google Patents

Abstract

The utility model discloses a butterfly valve with a detachable valve rod, which comprises a butterfly valve body, a rod sleeve and a sheath, wherein the top of the butterfly valve body is welded with the sheath, a stand column is sleeved in the sheath, a valve plate is fixedly sleeved outside the stand column, hexagonal columns are welded at the top ends of the stand column, reserved grooves are formed in the two sides of the interior of the sheath at equal intervals, a compression spring is arranged in the reserved grooves, a round head clamping column is sleeved at one end of the reserved groove, a rod sleeve is arranged at the top of the sheath, and a connecting rod is arranged in the rod sleeve in a penetrating manner. The utility model adopts a sleeved design, so that the rod sleeve and the connecting rod can be disassembled, the valve plate is prevented from being rotated by non-staff, and the influence on the flow of media is avoided.

Description

Butterfly valve with detachable valve rod

Technical Field

The utility model relates to the technical field of butterfly valves, in particular to a butterfly valve with a detachable valve rod.

Background

The butterfly valve is a regulating valve with simple structure, and can be used for controlling the flow of various fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like.

The utility model discloses a butterfly valve is disclosed to authority bulletin number CN215673638U, including valve body and turbine case, turbine case and valve body fixed connection, the valve body rotates and is connected with the valve rod, the one end of valve rod penetrates the turbine incasement, the one end that the valve rod is located the turbine incasement is equipped with the turbine, the turbine case rotates and is connected with the worm with the turbine adaptation, the both ends of worm wear out the both sides wall of turbine case, the both ends of worm can be dismantled and be connected with the locating part, two locating parts all are located the outside of turbine case, after this butterfly valve can be dismantled the locating part, make worm and turbine screw rotation relatively, thereby strike off the rust on worm and turbine surface, thereby reduce the contact meshing position of worm and appear rusting the dead condition of card.

The existing butterfly valve has the following defects: the turbine box, the turbine, the screw rod, the hand wheel and the like are fixedly installed, inconvenient to detach, and can also rotate by non-staff, so that the flow of the medium can be influenced. To this end we propose a butterfly valve with a removable valve stem.

Disclosure of utility model

The utility model mainly aims to provide a butterfly valve with a detachable valve rod, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

The utility model provides a valve rod detachable butterfly valve, includes butterfly valve body, pole cover and sheath, the welding of butterfly valve body top has the sheath, the inside cover of sheath is equipped with the stand, the fixed cover in stand outside is equipped with the valve plate, the welding of stand top has the hexagonal post, the reservation groove has been seted up to the inside both sides equidistance of sheath, the inside compression spring that is provided with of reservation groove, reservation groove one end cover is equipped with the button head card post, the sheath top is provided with the pole cover, the connecting rod has been seted up in the inside running through of pole cover.

Further, hexagonal grooves corresponding to the hexagonal columns are formed in the bottom of the rod sleeve, and arc-shaped clamping grooves corresponding to the round-head clamping columns are formed in the two sides of the rod sleeve at equal intervals; the arc-shaped clamping groove is formed to facilitate insertion of the round head clamping column.

Further, a sealing sleeve is sleeved at one end of the outer side of the upright post, and the sealing sleeve is positioned at the inner side of the protective sleeve.

Further, two ends of the connecting rod are welded with second limiting blocks, and the valve plate is positioned in the butterfly valve body; the setting of second stopper can prevent that the connecting rod from coming off from the pole cover.

Further, a first limiting block is fixed at one end of the round head clamping column through a bolt, and the limiting block is located inside the reserved groove.

Compared with the prior art, the utility model has the following beneficial effects:

The rod sleeve is sleeved outside the hexagonal column and inserted into the sheath, the connecting rod is held to rotate the rod sleeve, the rod sleeve rotates to drive the stand column and the valve plate at the outer side of the stand column to rotate through the hexagonal groove and the hexagonal column, the butterfly valve can be opened and closed, the butterfly valve can be taken out from the sheath by pulling the rod sleeve forcefully, the stand column and the valve plate can not be rotated by non-staff, and the influence on the flow of media is avoided.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a butterfly valve with a removable valve stem according to the present utility model.

FIG. 2 is a schematic diagram of the internal structure of a butterfly valve body of a butterfly valve with a detachable valve rod.

FIG. 3 is a schematic view of the column structure of a butterfly valve with a detachable valve stem according to the present utility model.

FIG. 4 is a schematic view of the internal structure of a stem cover of a butterfly valve with a removable valve stem according to the present utility model.

FIG. 5 is a schematic view of the internal structure of a valve stem removable butterfly valve sheath according to the present utility model.

In the figure: 1. a butterfly valve body; 2. a rod sleeve; 3. a sheath; 4. a connecting rod; 5. a valve plate; 6. a column; 7. hexagonal columns; 8. a reserved groove; 9. round head clamping columns; 10. a first limiting block; 11. a compression spring; 12. a hexagonal groove; 13. an arc-shaped clamping groove; 14. a second limiting block; 15. and (5) sealing the sleeve.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-5, a butterfly valve with a detachable valve rod comprises a butterfly valve body 1, a rod sleeve 2 and a sheath 3, wherein the top of the butterfly valve body 1 is welded with the sheath 3, a stand column 6 is sleeved in the sheath 3, a valve plate 5 is fixedly sleeved outside the stand column 6, hexagonal columns 7 are welded at the top ends of the stand column 6, reserved grooves 8 are formed in the two sides of the interior of the sheath 3 at equal intervals, compression springs 11 are arranged in the reserved grooves 8, a round head clamping column 9 is sleeved at one end of each reserved groove 8, the top of the sheath 3 is provided with the rod sleeve 2, and connecting rods 4 are arranged in the rod sleeve 2 in a penetrating mode.

As shown in fig. 4, the bottom of the rod sleeve 2 is provided with a hexagonal groove 12 corresponding to the hexagonal column 7, two sides of the rod sleeve 2 are provided with arc-shaped clamping grooves 13 corresponding to the round head clamping columns 9 at equal intervals, and the rod sleeve 2 is sleeved outside the hexagonal column 7 through the hexagonal groove 12.

As shown in fig. 2, a sealing sleeve 15 is sleeved at one end of the outer side of the upright post 6, the sealing sleeve 15 is located at the inner side of the sheath 3, and the sealing sleeve 15 seals between the upright post 6 and the sheath 3.

As shown in fig. 1, the two ends of the connecting rod 4 are welded with second limiting blocks 14, the valve plate 5 is located inside the butterfly valve body 1, and the valve plate 5 is used for sealing the butterfly valve body 1.

As shown in fig. 5, a first limiting block 10 is fixed at one end of the round head clamping column 9 through a bolt, the first limiting block 10 is located inside the reserved groove 8, and the round head clamping column 9 can be prevented from falling off from the reserved groove 8 by the aid of the arrangement of the first limiting block 10.

When the butterfly valve with the detachable valve rod is used, a person installs the butterfly valve body 1 on a conveying pipeline by using a bolt, sleeves the rod sleeve 2 on the outer side of the hexagonal column 7 and inserts the rod sleeve 3, holds the connecting rod 4 to rotate the rod sleeve 2, drives the upright column 6 and the valve plate 5 on the outer side of the upright column to rotate through the hexagonal groove 12 and the hexagonal column 7, and can realize opening and closing of the butterfly valve, when the rod sleeve 2 is inserted into the sheath 3, the compression spring 11 pushes the round head clamping column 9 to extend through the first limiting block 10, so that the round head clamping column 9 is inserted into the arc-shaped clamping groove 13, the rod sleeve 2 can be fixed in an auxiliary manner to prevent the round head clamping column from falling off, the rod sleeve 2 can be taken out from the sheath 3 by pulling the rod sleeve 2 forcefully, a non-working person cannot rotate the upright column 6 and the valve plate 5 to avoid affecting the flow of media, the sealing sleeve 15 seals between the upright column 6 and the sheath 3, the medium leakage can be prevented, and the setting of the second limiting block 14 can prevent the connecting rod 4 from falling off from the rod sleeve 2.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a valve rod detachable butterfly valve, includes butterfly valve body (1), pole cover (2) and sheath (3), its characterized in that: the butterfly valve body (1) top welding has sheath (3), sheath (3) inside cover is equipped with stand (6), the fixed cover in stand (6) outside is equipped with valve plate (5), stand (6) top welding has hexagonal post (7), reservation groove (8) have been seted up to inside both sides equidistance of sheath (3), reservation groove (8) inside is provided with compression spring (11), reservation groove (8) one end cover is equipped with button head card post (9), sheath (3) top is provided with pole cover (2), connecting rod (4) have been seted up in the inside running through of pole cover (2).

2. A valve stem removable butterfly valve according to claim 1, wherein: hexagonal grooves (12) corresponding to the hexagonal columns (7) are formed in the bottom of the rod sleeve (2), and arc-shaped clamping grooves (13) corresponding to the round head clamping columns (9) are formed in the two sides of the rod sleeve (2) at equal intervals.

3. A valve stem removable butterfly valve according to claim 1, wherein: a sealing sleeve (15) is sleeved at one end of the outer side of the upright post (6), and the sealing sleeve (15) is positioned at the inner side of the sheath (3).

4. A valve stem removable butterfly valve according to claim 1, wherein: the two ends of the connecting rod (4) are welded with second limiting blocks (14), and the valve plate (5) is positioned in the butterfly valve body (1).

5. A valve stem removable butterfly valve according to claim 1, wherein: one end of the round head clamping column (9) is fixedly provided with a first limiting block (10) through a bolt, and the first limiting block (10) is positioned in the reserved groove (8).